Nortel 325-24T, 325-24G, 425-24T, 425-48T Configuration Manual

Part No. 320985-A Rev 01
August 2006

4655 Great America Parkway
Santa Clara, CA 95054

System Configuration Guide

Nortel Ethernet Switches 325 and 425
Software Release 3.6

*320985-A Rev 01*

2

Copyright © 2005-2006 Nortel Networks. All rights reserved.

The information in this document is subject to change without notice. The statements, configurations, technical data, and
recommendations in this document are believed to be accurate and reliable, but are presented without express or implied
warranty. Users must take full responsibility for their applications of any products specified in this document. The
information in this document is proprietary to Nortel Networks.

The software described in this document is furnished under a license agreement and may be used only in accordance
with the terms of that license. The software license agreement is included in this document.

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*Nortel, Nortel Networks, the Nortel logo, the Globemark, Unified Networks, and BayStack are trademarks of Nortel
Networks.

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Microsoft, Windows, and Windows NT are trademarks of Microsoft Corporation.

The asterisk after a name denotes a trademarked item.

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Use, duplication, or disclosure by the United States Government is subject to restrictions as set forth in subparagraph
(c)(1)(ii) of the Rights in Technical Data and Computer Software clause at DFARS 252.227-7013.

Notwithstanding any other license agreement that may pertain to, or accompany the delivery of, this computer software,
the rights of the United States Government regarding its use, reproduction, and disclosure are as set forth in the
Commercial Computer Software-Restricted Rights clause at FAR 52.227-19.

Statement of conditions

In the interest of improving internal design, operational function, and/or reliability, Nortel Networks reserves the right to
make changes to the products described in this document without notice.

Nortel Networks does not assume any liability that may occur due to the use or application of the product(s) or circuit
layout(s) described herein.

Portions of the code in this software product may be Copyright © 1988, Regents of the University of California. All
rights reserved. Redistribution and use in source and binary forms of such portions are permitted, provided that the above
copyright notice and this paragraph are duplicated in all such forms and that any documentation, advertising materials,
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derived from such portions of the software without specific prior written permission.

SUCH PORTIONS OF THE SOFTWARE ARE PROVIDED “AS IS” AND WITHOUT ANY EXPRESS OR IMPLIED
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

In addition, the program and information contained herein are licensed only pursuant to a license agreement that contains
restrictions on use and disclosure (that may incorporate by reference certain limitations and notices imposed by third
parties).

320985-A Rev 01

Nortel Networks software license agreement

This Software License Agreement (“License Agreement”) is between you, the end-user (“Customer”) and Nortel
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CAREFULLY. YOU MUST ACCEPT THESE LICENSE TERMS IN ORDER TO DOWNLOAD AND/OR USE THE
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AGREEMENT. If you do not accept these terms and conditions, return the Software, unused and in the original shipping
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1. Licensed Use of Software. Nortel Networks grants Customer a nonexclusive license to use a copy of the Software
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to such third party software.

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LIABLE FOR ANY OF THE FOLLOWING: a) DAMAGES BASED ON ANY THIRD PARTY CLAIM; b) LOSS OF,
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4. General

a. If Customer is the United States Government, the following paragraph shall apply: All Nortel Networks

Software available under this License Agreement is commercial computer software and commercial computer
software documentation and, in the event Software is licensed for or on behalf of the United States

3

System Configuration Guide

4

Government, the respective rights to the software and software documentation are governed by Nortel
Networks standard commercial license in accordance with U.S. Federal Regulations at 48 C.F.R. Sections

12.212 (for non-DoD entities) and 48 C.F.R. 227.7202 (for DoD entities).

b. Customer may terminate the license at any time. Nortel Networks may terminate the license if Customer fails

to comply with the terms and conditions of this license. In either event, upon termination, Customer must
either return the Software to Nortel Networks or certify its destruction.

c. Customer is responsible for payment of any taxes, including personal property taxes, resulting from

Customer’s use of the Software. Customer agrees to comply with all applicable laws including all applicable
export and import laws and regulations.

d. Neither party may bring an action, regardless of form, more than two years after the cause of the action arose.

e. The terms and conditions of this License Agreement form the complete and exclusive agreement between

Customer and Nortel Networks.

f. This License Agreement is governed by the laws of the country in which Customer acquires the Software. If

the Software is acquired in the United States, then this License Agreement is governed by the laws of the state
of New York.

320985-A Rev 01

Contents

Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Before you begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Text conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Related publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

How to get help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Getting help from the Nortel web site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Getting help through a Nortel distributor or reseller . . . . . . . . . . . . . . . . . . . . . . . . 37

Getting help over the phone from a Nortel Solutions Center . . . . . . . . . . . . . . . . . 37

Getting help from a specialist by using an Express Routing Code . . . . . . . . . . . . 37

Chapter 1

About Ethernet Switches 325 and 425 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

New features in software release 3.6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Link Layer Discovery Protocol (IEEE 802.1ab) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

LLDP operational modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Connectivity and management information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Configuring LLDP using the CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Ethernet Switch 425-48T stacking support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Username and password enhancement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Radius password fallback enhancement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

SNMP trap port enhancement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

EAPoL with Guest VLAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

shutdown command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

reload command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

show mac-address-table enhancement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

5

Transmitting LLDPDUs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

TLV system MIBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

LLDPDU and TLV error handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

System Configuration Guide

6 Contents

restore factory-default command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Ping enhancement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

show interfaces config command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Autosave enable/disable enhancement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Download without reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

write memory and save config commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Daylight savings time enhancement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

BootP when needed as default . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

VLAN tagging enhancement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

VLAN Configuration Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Port mirroring configuration rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Other features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Hardware components of the Ethernet Switch 325 . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Hardware components of the Ethernet Switch 425 . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

SFP GBIC Support on the Ethernet Switch 425 . . . . . . . . . . . . . . . . . . . . . . . 53

Flash memory storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Switch software image storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Autosensing, and autonegotiation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

RFCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

BootP automatic IP configuration/MAC address . . . . . . . . . . . . . . . . . . . . . . . 55

Configuration and switch management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Front panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Console port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Port connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

LED display panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Back panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Cooling fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

AC power receptacle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Front panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

User Interface button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Setting the unit as the Base Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Setting the unit as the non-base unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Setting the unit as a standalone unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Resetting the stack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

320985-A Rev 01

Contents 7

Resetting the unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Aborting a command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Setting the default IP address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

LED display during change in IP address and subnet mask . . . . . . . . . . 73

Console port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Gigabit Interface Converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Port connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

LED display panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Back panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

Cascade Up and Down connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

Cooling fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

AC power receptacle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Network configuration examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

Desktop switch application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

Segment switch application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

High-density switched workgroup application . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

Stack operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Base unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

Initial installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

Stack MAC address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

Removing a unit from the stack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

Stack configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

Stack up configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

Stack down configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

Chapter 2

Using the console interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Accessing the CI menus and screens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Using the CI menus and screens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

Navigating the CI menus and screens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

Screen fields and descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

Main menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96

System Characteristics screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

Switch Configuration Menu screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

Port list syntax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

System Configuration Guide

8 Contents

Chapter 3

CLI Basics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

CLI command modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120

Port numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123

Accessing CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125

Setting the system username and password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127

Getting help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128

Basic navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128

Managing basic system information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137

Accelerator keys for repetitive tasks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

Adding a new port to an existing port number list . . . . . . . . . . . . . . . . . . 108

Removing a port from an existing port number list . . . . . . . . . . . . . . . . . 108

Port Configuration screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109

High Speed Flow Control Configuration screen . . . . . . . . . . . . . . . . . . . . . . . . . . 112

Choosing a high speed flow control mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114

Symmetric mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114

Asymmetric mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

Rate Limiting Configuration screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

Port numbering in standalone mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124

Port numbering in stacked mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124

General navigation commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128

Keystroke navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129

help command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130

no command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131

default command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131

logout command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132

enable command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132

configure command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132

interface command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133

disable command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133

end command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134

exit command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134

shutdown command for the unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134

reload command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136

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show sys-info command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138

show tech command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139

show stack-info command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

show stacking-mode command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142

renumber unit command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143

Managing MAC address forwarding database table . . . . . . . . . . . . . . . . . . . . . . . . . 143

show mac-address-table command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144

mac-address-table aging-time command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145

default mac-address-table aging-time command . . . . . . . . . . . . . . . . . . . . . . . . . 146

Chapter 4

Getting Started with Device Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147

Installing Device Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147

JDM installation precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148

Installing the Device Manager software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149

Installing JDM on Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149

Windows minimum requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149

Removing previous versions of JDM on Windows . . . . . . . . . . . . . . . . . . . . . . . . 150

Installing JDM on Windows from the CD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150

Installing JDM on Windows from the web . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151

Executing the JDM installation software on Windows . . . . . . . . . . . . . . . . . . . . . 152

Installing JDM on UNIX or Linux . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159

Minimum requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160

Installing JDM on Solaris from the CD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160

Installing JDM on HP-UX from the CD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160

Installing JDM on Linux from the CD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161

Installing JDM on UNIX or Linux from the web . . . . . . . . . . . . . . . . . . . . . . . . . . 161

Executing the JDM installation software on UNIX or Linux . . . . . . . . . . . . . . . . . 163

Removing JDM in Unix or Linux environments . . . . . . . . . . . . . . . . . . . . . . . . . . 170

Device Manager basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171

Starting Device Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171

Setting the Device Manager properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172

Opening a device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174

Device Manager window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177

Menu bar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177

System Configuration Guide

10 Contents

Toolbar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178

Device view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179

Shortcut menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183

Status bar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185

Using the buttons in Device Manager dialog boxes . . . . . . . . . . . . . . . . . . . . . . . 185

Editing objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186

Working with statistics and graphs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186

Types of statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187

Types of graphs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187

Statistics for single and multiple objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190

Viewing statistics as graphs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191

Telnet session . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193

Opening an SSH connection to the device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194

Opening the Web-based management home page . . . . . . . . . . . . . . . . . . . . . . . . . . 194

Trap log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195

Online Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196

Selecting objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180

Selecting a single object . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180

Selecting multiple objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181

Viewing information about a GBIC port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181

LEDs and ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182

Chapter 5

Using the Web-based management interface . . . . . . . . . . . . . . . . . . . . . . 199

Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199

Logging in to the Web-based management interface . . . . . . . . . . . . . . . . . . . . . . . . . 200

Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201

Management page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204

Viewing summary information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205

Viewing summary switch information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206

Viewing stack information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207

Changing stack numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209

Identifying unit numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211

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Chapter 6

System configuration using the Console Interface . . . . . . . . . . . . . . . . . 213

IP Configuration/Setup screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214

Choosing a BootP request mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216

BootP When Needed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217

BootP Always . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217

BootP Disabled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218

BootP or Last Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218

SNMP Configuration screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219

System Characteristics screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221

Console/Comm Port Configuration screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223

Logging in . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231

Renumber Stack Units screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232

Hardware Unit Information screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233

TELNET/SNMP/Web Access Configuration screen . . . . . . . . . . . . . . . . . . . . . . 234

Software Download screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237

LED Indications during the download process . . . . . . . . . . . . . . . . . . . . . . . 240

Configuration File Download/Upload screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240

Binary configuration download . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241

Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243

ASCII Configuration file Download . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244

Enabling and disabling autosave . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247

Using SNTP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248

Configuring with CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248

Setting local time zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249

Using DNS to ping and Telnet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249

Configuring with CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249

Chapter 7

System configuration using the CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251

Configuring the switch IP address, subnet mask and default gateway . . . . . . . . . . . 252

IP notation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252

Assigning and clearing IP addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252

ip address command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252

no ip address command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253

System Configuration Guide

12 Contents

Assigning and clearing IP addresses for specific units . . . . . . . . . . . . . . . . . . . . 257

Pinging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259

Resetting the switch to default configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261

Using DNS to ping and telnet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261

show ip dns command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262

ping command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262

ip name-server command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263

no ip name-server command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264

ip domain-name command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265

no ip domain-name command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265

default ip domain-name command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265

Configuration Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266

Automatically loading Configuration file . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266

ASCII Configuration Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268

Customizing your system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270

Setting the terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270

Displaying system information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273

Setting boot parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274

ip default-gateway command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254

no ip default-gateway command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254

show ip command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255

show ip address command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256

ip address unit command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257

no ip address unit command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258

default ip address unit command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258

ping command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259

configure network command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266

show config-network command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267

show running-config command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269

copy running-config tftp command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270

show terminal command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271

terminal command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271

show cli command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272

boot command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274

ip bootp server command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275

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Contents 13

no ip bootp server command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276

default ip bootp server command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276

Setting TFTP parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276

show tftp-server command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277

tftp-server command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277

no tftp-server command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 278

copy config tftp command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 278

copy tftp config command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 278

Setting the default management interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279

cmd-interface command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279

Customizing the opening banner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280

banner command for displaying banner . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280

show banner command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281

no banner command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281

Displaying the ARP table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282

Displaying interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282

show interfaces command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283

show interfaces config command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284

Saving the configuration to NVRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285

copy config nvram command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285

write memory command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286

save config command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286

Enabling and disabling autosave . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287

show autosave command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287

autosave enable command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288

no autosave enable command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288

default autosave enable command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288

Setting time on network elements using Simple Network Time Protocol . . . . . . . . . . 289

show sntp command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289

sntp enable command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290

no sntp enable command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290

sntp server primary address command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291

sntp server secondary address command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291

no sntp server command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292

sntp sync-now command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293

System Configuration Guide

14 Contents

sntp sync-interval command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293

Setting local time zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294

clock time-zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294

no clock time-zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295

clock summer-time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295

no clock summer-time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 296

show clock time-zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 296

show clock summer-time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 296

Enabling Autopology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297

autotopology command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297

no autotopology command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 298

default autotopology command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 298

show autotopology settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 298

show autotopology nmm-table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 299

Configuring LLDP using the CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300

lldp command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300

default lldp command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301

lldp port config notification command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 302

no lldp port config notification command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 302

default lldp port config notification command . . . . . . . . . . . . . . . . . . . . . . . . . . . 303

lldp tx-tlv command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303

no lldp tx-tlv command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 304

default lldp tx-tlv command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 305

lldp port status command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 305

no lldp port status command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 306

default lldp port status command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 306

show lldp command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307

show lldp port command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 309

Configuring LEDs on the display panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 312

Configuring UI button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 313

ui-button enable command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 313

ui-button unit command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 314

show ui-button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 314

default ui-button command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315

no ui-button command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315

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Contents 15

Upgrading software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315

download command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 316

Chapter 8

Ethernet port management using the CLI . . . . . . . . . . . . . . . . . . . . . . . . . 319

Enabling or disabling a port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319

shutdown command for the port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319

no shutdown command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320

Naming ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321

name command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321

no name command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322

default name command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322

Setting port speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323

speed command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323

default speed command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324

duplex command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325

default duplex command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 326

Enabling flow control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 326

flowcontrol command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 327

no flowcontrol command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 327

default flowcontrol command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 328

Enabling rate-limiting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329

show rate-limit command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329

rate-limit command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330

no rate-limit command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330

default rate-limit command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 331

Enabling Custom Autonegotiation Advertisements (CANA) . . . . . . . . . . . . . . . . . . . . 331

show auto-negotiation-advertisements command . . . . . . . . . . . . . . . . . . . . . . . . 331

show auto-negotiation-capabilities command . . . . . . . . . . . . . . . . . . . . . . . . . . . 332

auto-negotiation-advertisements command . . . . . . . . . . . . . . . . . . . . . . . . . . . . 333

no auto-negotiation-advertisements command . . . . . . . . . . . . . . . . . . . . . . . . . . 334

default auto-negotiation-advertisements command . . . . . . . . . . . . . . . . . . . . . . . 335

System Configuration Guide

16 Contents

Chapter 9

Configuring the switch using Device Manager . . . . . . . . . . . . . . . . . . . . . 337

Viewing Unit information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 337

Unit tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 338

Rate Limit tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 338

Viewing switch IP information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 339

Globals tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340

Addresses tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 341

ARP tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 342

Editing the chassis configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 343

System tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 343

Base Unit Info tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 346

Stack Info tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347

Agent tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349

PowerSupply tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350

Fan tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 352

Banner tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 353

Custom Banner tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 356

Working with configuration files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 358

FileSystem dialog box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 358

ASCII config file . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360

Working with SNTP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 362

Configuring SNTP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 362

Displaying topology information using Device Manager . . . . . . . . . . . . . . . . . . . . . . . 364

Topology tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 364

Topology Table tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 365

Chapter 10

Configuring ports using Device Manager . . . . . . . . . . . . . . . . . . . . . . . . . 367

Viewing and editing a single port configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 367

Interface tab for a single port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 368

Viewing and editing multiple port configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . 371

Interface tab for multiple ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 372

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Chapter 11

Administering the switch using Web-based management. . . . . . . . . . . . 375

Viewing system information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 375

Quick Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 377

Configuring system security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 379

Rebooting the Ethernet Switch 325/425 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 379

Changing the Ethernet Switch 325/425 to system defaults . . . . . . . . . . . . . . . . . . . . 381

Logging out of the management interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 382

Chapter 12

Configuring the switch using Web-based management . . . . . . . . . . . . . 385

Configuring BootP, IP, and gateway settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 385

Modifying system settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 389

Configuring switch port autonegotiation speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 390

Configuring high speed flow control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 393

Downloading switch images . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 394

Downloading ASCII configuration files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 396

Storing and retrieving a switch configuration file from a TFTP server . . . . . . . . . . . . 397

Requirements for storing and retrieving configuration

parameters on a TFTP server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 399

Enabling and disabling autosave . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400

Configuring port communication speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400

Configuring Rate Limiting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 402

Configuring Rate Limiting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 402

Chapter 13

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 405

Interpreting the LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 405

Diagnosing and correcting problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 405

Normal power-up sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 406

Port connection problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 407

Autonegotiation modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 407

Port interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 408

Appendix A

System Configuration Guide

18 Contents

Installing an SFP Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 409

Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 410

Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 410

Locking/extractor mechanisms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 411

SFP labeling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 411

SFP models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 412

CWDM SFP models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 413

Installing SFPs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 414

Removing an SFP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 415

Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 416

SFP specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 417

SFP physical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 417

1000BASE-SX (LC Type) specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 418

1000BASE-LX (LC Type) specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 418

1000BASE-SX (MT-RJ Type) specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 420

CWDM SFP specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 421

How to get help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 423

Hard-copy technical manuals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 423

Appendix B

Connectors and pin assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 425

RJ-45 (10BASE-T/100BASE-TX) port connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . 425

MDI and MDI-X devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 426

MDI-X to MDI cable connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 427

MDI-X to MDI-X cable connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 427

DB-9 (RS-232-D) Console/Comm Port connector . . . . . . . . . . . . . . . . . . . . . . . . . . . 428

1000Base-T pinouts for the Ethernet Switch 425 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 430

Appendix C

Default settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 431

Appendix D

Sample BootP configuration file . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 443

Appendix E

320985-A Rev 01

Contents 19

Command List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 447

Appendix F

Technical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 469

Environmental specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 469

Electrical parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 469

Physical dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 470

Performance specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 471

Data rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 471

Network protocol and standards compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 472

Safety agency certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 472

Electromagnetic emissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 472

Electromagnetic immunity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 473

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 475

System Configuration Guide

20 Contents

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Figures

Figure 1 LLDP — how it works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Figure 2 Ethernet Switch 325-24G . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Figure 3 Ethernet Switch 325-24G front panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Figure 4 Ethernet Switch 325-24G LED display panel . . . . . . . . . . . . . . . . . . . . . . 60

Figure 5 Ethernet Switch 325-24T back panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Figure 6 Ethernet Switch 425 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Figure 7 Ethernet Switch 425-24T front panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Figure 8 Ethernet Switch 425 LED display panel . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Figure 9 Ethernet Switch 425 back panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

Figure 10 Ethernet Switch 325 used as a desktop switch . . . . . . . . . . . . . . . . . . . . 83

Figure 11 Ethernet Switch 425 used as a desktop switch . . . . . . . . . . . . . . . . . . . . 84

Figure 12 Ethernet Switch 325 used as a segment switch . . . . . . . . . . . . . . . . . . . . 85

Figure 13 Ethernet Switch 425 used as a segment switch . . . . . . . . . . . . . . . . . . . . 86

Figure 14 Configuring power workgroups and a shared media hub . . . . . . . . . . . . . 87

Figure 15 Stack up configuration example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

Figure 16 Stack down configuration example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

Figure 17 Map of console interface screens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

Figure 18 Console interface main menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

Figure 19 System Characteristics screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

Figure 20 Switch Configuration Menu screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

Figure 21 MAC Address Security Port Lists screen . . . . . . . . . . . . . . . . . . . . . . . . 107

Figure 22 Port Configuration screen (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110

Figure 23 Port Configuration screen (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

Figure 24 High Speed Flow Control Configuration . . . . . . . . . . . . . . . . . . . . . . . . . 113

Figure 25 Rate Limiting Configuration screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117

Figure 26 CLI command mode hierarchy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121

Figure 27 Ethernet Switch 425-48T banner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126

Figure 28 Main Menu for Ethernet Switch 425-48T console interface . . . . . . . . . . 127

Figure 29 help command output in privExec mode . . . . . . . . . . . . . . . . . . . . . . . . . 131

21

System Configuration Guide

22 Figures

Figure 30 show sys-info command output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138

Figure 31 show tech command output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139

Figure 32 show tech command output (continued) . . . . . . . . . . . . . . . . . . . . . . . . . 140

Figure 33 show tech command output (continued) . . . . . . . . . . . . . . . . . . . . . . . . . 141

Figure 34 show stack-info command output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142

Figure 35 show stacking-mode command output . . . . . . . . . . . . . . . . . . . . . . . . . . 143

Figure 36 show mac-address-table command output . . . . . . . . . . . . . . . . . . . . . . . 145

Figure 37 mac-address-table aging-time output . . . . . . . . . . . . . . . . . . . . . . . . . . . 146

Figure 38 InstallAnywhere Introduction dialog box . . . . . . . . . . . . . . . . . . . . . . . . . 152

Figure 39 License Agreement dialog box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153

Figure 40 Choose Install Set dialog box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153

Figure 41 Feature Sets dialog box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154

Figure 42 Choose Install Folder dialog box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155

Figure 43 Choose Shortcut Folder dialog box . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156

Figure 44 Pre-Installation Summary dialog box . . . . . . . . . . . . . . . . . . . . . . . . . . . 157

Figure 45 Install Complete dialog box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158

Figure 46 InstallAnywhere Introduction dialog box . . . . . . . . . . . . . . . . . . . . . . . . . 163

Figure 47 License Agreement dialog box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164

Figure 48 Choose Install Set dialog box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165

Figure 49 Feature Sets dialog box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166

Figure 50 Choose Install Folder dialog box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167

Figure 51 Pre-Installation Summary dialog box . . . . . . . . . . . . . . . . . . . . . . . . . . . 168

Figure 52 Installing Java Device Manager dialog box . . . . . . . . . . . . . . . . . . . . . . . 169

Figure 53 Install Complete dialog box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170

Figure 54 Device Manager window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172

Figure 55 Properties dialog box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173

Figure 56 Open Device dialog box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175

Figure 57 Device view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177

Figure 58 Parts of the Device Manager window . . . . . . . . . . . . . . . . . . . . . . . . . . . 177

Figure 59 Objects in the device view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180

Figure 60 Interface tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182

Figure 61 Color port legend . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183

Figure 62 Switch unit shortcut menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183

Figure 63 Port shortcut menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184

Figure 64 Line graph . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188

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Figures 23

Figure 65 Area graph . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188

Figure 66 Bar graph . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189

Figure 67 Pie graph . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189

Figure 68 Interface statistics for a single port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190

Figure 69 Interface statistics for multiple ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190

Figure 70 Statistics dialog box for a port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192

Figure 71 Web-based management home page . . . . . . . . . . . . . . . . . . . . . . . . . . 195

Figure 72 Web-based management interface home page . . . . . . . . . . . . . . . . . . . 200

Figure 73 Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201

Figure 74 Console page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204

Figure 75 Switch Information page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206

Figure 76 Stack Information page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208

Figure 77 Stack Numbering Setting page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210

Figure 78 Identify Unit Numbers page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211

Figure 79 IP Configuration/Setup screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214

Figure 80 SNMP Configuration screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219

Figure 81 System Characteristics screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221

Figure 82 Console/Comm Port Configuration screen . . . . . . . . . . . . . . . . . . . . . . . 224

Figure 83 Login screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231

Figure 84 Renumber Stack Units screen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232

Figure 85 Hardware Unit Information screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234

Figure 86 TELNET Configuration screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235

Figure 87 Software Download screen for an Ethernet Switch 325/425 stack . . . . . 239

Figure 88 Configuration File menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241

Figure 89 Configuration File Download/Upload screen . . . . . . . . . . . . . . . . . . . . . 242

Figure 90 ASCII Configuration File Download screen . . . . . . . . . . . . . . . . . . . . . . 245

Figure 91 Autosave Configuration screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247

Figure 92 show ip command output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256

Figure 93 show ip address command output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257

Figure 94 ping command responses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260

Figure 95 show ip dns command output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262

Figure 96 ping command responses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263

Figure 97 show config-network command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268

Figure 98 Output of the show running-config command . . . . . . . . . . . . . . . . . . . . . 269

Figure 99 show terminal command output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271

System Configuration Guide

24 Figures

Figure 100 show cli command output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273

Figure 101 show sys-info command output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274

Figure 102 show tftp-server command output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277

Figure 103 show arp-table command output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282

Figure 104 show interfaces names command output . . . . . . . . . . . . . . . . . . . . . . . . 283

Figure 105 show interfaces command output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284

Figure 106 show interfaces config command output . . . . . . . . . . . . . . . . . . . . . . . . 285

Figure 107 show autosave command output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288

Figure 108 show sntp command output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290

Figure 109 show clock time-zone output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 296

Figure 110 show clock summer-time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297

Figure 111 show autotopology settings command output . . . . . . . . . . . . . . . . . . . . . 299

Figure 112 show autotopology nmm-table command output . . . . . . . . . . . . . . . . . . 299

Figure 113 show lldp local-sys-data command output . . . . . . . . . . . . . . . . . . . . . . . 308

Figure 114 show lldp mgmt-sys-data command output . . . . . . . . . . . . . . . . . . . . . . 309

Figure 115 show lldp stats command output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 309

Figure 116 show lldp port neighbor command output . . . . . . . . . . . . . . . . . . . . . . . . 310

Figure 117 show lldp port neighbor-mgmt-addr command output . . . . . . . . . . . . . . 311

Figure 118 show lldp port rx-stats command output . . . . . . . . . . . . . . . . . . . . . . . . . 311

Figure 119 show lldp port tx-stats command output . . . . . . . . . . . . . . . . . . . . . . . . . 312

Figure 120 show lldp port tx-tlv command output . . . . . . . . . . . . . . . . . . . . . . . . . . . 312

Figure 121 ui-button enable command output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 313

Figure 122 show ui-button command output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 314

Figure 123 download message for Ethernet Switch 425-48T . . . . . . . . . . . . . . . . . . 317

Figure 124 shutdown [port <portlist>] command output . . . . . . . . . . . . . . . . . . . . . . 320

Figure 125 show rate-limit command output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329

Figure 126 show auto-negotiation-advertisements command output . . . . . . . . . . . . 332

Figure 127 show auto-negotiation-capabilities command output . . . . . . . . . . . . . . . 333

Figure 128 Unit dialog box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 338

Figure 129 Rate Limit tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 339

Figure 130 Globals tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340

Figure 131 Edit IP dialog box — IP Address tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . 341

Figure 132 Edit IP dialog box — ARP tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 342

Figure 133 Edit Chassis dialog box — System tab . . . . . . . . . . . . . . . . . . . . . . . . . . 344

Figure 134 Edit Chassis dialog box — Base Unit Info tab . . . . . . . . . . . . . . . . . . . . 346

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Figures 25

Figure 135 Edit Chassis dialog box — Stack Info tab . . . . . . . . . . . . . . . . . . . . . . . . 348

Figure 136 Edit Chassis dialog box — Agent tab . . . . . . . . . . . . . . . . . . . . . . . . . . . 350

Figure 137 Edit Chassis dialog box — Power Supply tab . . . . . . . . . . . . . . . . . . . . . 351

Figure 138 Edit Chassis dialog box — Fan tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 352

Figure 139 Edit Chassis dialog box — Banner tab . . . . . . . . . . . . . . . . . . . . . . . . . . 354

Figure 140 Telnet window with default banner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 355

Figure 141 Telnet window without banner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 356

Figure 142 Edit Chassis dialog box — Custom Banner tab . . . . . . . . . . . . . . . . . . . 357

Figure 143 Telnet window with custom banner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 358

Figure 144 FileSystem - Config/Image/Diag File tab dialog box . . . . . . . . . . . . . . . . 359

Figure 145 File system - ASCII Config File dialog box . . . . . . . . . . . . . . . . . . . . . . . 361

Figure 146 SNTP dialog box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 363

Figure 147 Diagnostics dialog box — Topology tab . . . . . . . . . . . . . . . . . . . . . . . . . 365

Figure 148 Diagnostics dialog box — Topology Table tab . . . . . . . . . . . . . . . . . . . . 366

Figure 149 Port dialog box — Interface tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369

Figure 150 Interface tab fields for multiple ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . 372

Figure 151 System Information page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 376

Figure 152 Quick Start page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 378

Figure 153 Reset page message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 380

Figure 154 Reset page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 380

Figure 155 Reset to Default page message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 381

Figure 156 Reset to Default page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 382

Figure 157 Logout message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 382

Figure 158 IP page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 386

Figure 159 System page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 389

Figure 160 Port Management page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 391

Figure 161 High Speed Flow Control page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 393

Figure 162 Software Download page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 394

Figure 163 Ascii Configuration file download page . . . . . . . . . . . . . . . . . . . . . . . . . . 396

Figure 164 Configuration File Download/Upload page . . . . . . . . . . . . . . . . . . . . . . . 398

Figure 165 Console/Communication Port page . . . . . . . . . . . . . . . . . . . . . . . . . . . . 401

Figure 166 Rate Limiting page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 402

Figure 167 Locking/extractor mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 411

Figure 168 Nortel SFP label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 412

Figure 169 Inserting an SFP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 415

System Configuration Guide

26 Figures

Figure 170 Removing an SFP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 416

Figure 171 RJ-45 (8-pin modular) port connector . . . . . . . . . . . . . . . . . . . . . . . . . . . 425

Figure 172 MDI-X to MDI cable connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 427

Figure 173 MDI-X to MDI-X cable connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 428

Figure 174 DB-9 Console port connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 428

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Tables

Table 1 VLAN Tagging mode definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Table 2 Components on the Ethernet Switch 325 switch front panel . . . . . . . . . . 58

Table 3 Ethernet Switch 325-24G LED descriptions . . . . . . . . . . . . . . . . . . . . . . . 60

Table 4 Components on the Ethernet Switch 325 back panel . . . . . . . . . . . . . . . . 61

Table 5 International power cord specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Table 6 Components of the Ethernet Switch 425-24T front panel . . . . . . . . . . . . . 68

Table 7 UI button LEDs on the Ethernet Switch 425-24T . . . . . . . . . . . . . . . . . . . 71

Table 8 UI button LED display during change in IP address and subnet mask . . . 74

Table 9 Ethernet Switch 425 LED descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Table 10 Components on the Ethernet Switch 425 back panel . . . . . . . . . . . . . . . . 78

Table 11 International power cord specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Table 12 Stack up configuration description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

Table 13 Stack down configuration description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

Table 14 Console interface main menu options . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

Table 15 System Characteristics screen fields . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

Table 16 Switch Configuration Menu options . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

Table 17 Port Configuration screen fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

Table 18 High Speed Flow Control Configuration screen fields . . . . . . . . . . . . . . 113

Table 19 Rate Limiting Configuration screen fields . . . . . . . . . . . . . . . . . . . . . . . . 117

Table 20 Command mode prompts and entrance/exit commands . . . . . . . . . . . . 122

Table 21 Keystroke navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129

Table 22 configure command parameters and variables . . . . . . . . . . . . . . . . . . . . 133

Table 23 interface command parameters and variables . . . . . . . . . . . . . . . . . . . . 133

Table 24 shutdown command parameters and variables . . . . . . . . . . . . . . . . . . . 136

Table 25 reload command parameters and variables . . . . . . . . . . . . . . . . . . . . . . 137

Table 26 show mac-address-table command parameters and variables . . . . . . . 144

Table 27 mac-address-table aging-time command parameters and variables . . . 145

Table 28 Properties dialog box fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173

Table 29 SNMP community string default values . . . . . . . . . . . . . . . . . . . . . . . . . 175

27

System Configuration Guide

28 Tables

Table 30 Open Device dialog box fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176

Table 31 Menu bar commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178

Table 32 Toolbar buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179

Table 33 Selecting multiple objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181

Table 34 Port color codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183

Table 35 Switch unit shortcut menu command . . . . . . . . . . . . . . . . . . . . . . . . . . . 184

Table 36 Port shortcut menu commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184

Table 37 Device Manager buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185

Table 38 Types of statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187

Table 39 Graph dialog box buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193

Table 40 Help file locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197

Table 41 Main headings and options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202

Table 42 Menu icons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203

Table 43 Page icons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205

Table 44 Switch Information page fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206

Table 45 Stack Information page fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208

Table 46 Stack Numbering Setting page fields . . . . . . . . . . . . . . . . . . . . . . . . . . . 210

Table 47 IP Configuration/Setup screen fields . . . . . . . . . . . . . . . . . . . . . . . . . . . 215

Table 48 SNMP Configuration screen fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220

Table 49 System Characteristics screen fields . . . . . . . . . . . . . . . . . . . . . . . . . . . 222

Table 50 Console/Comm Port Configuration screen fields . . . . . . . . . . . . . . . . . . 225

Table 51 Renumber Stack Units screen fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233

Table 52 TELNET/SNMP/Web Access Configuration screen fields . . . . . . . . . . . 235

Table 53 Software Download screen fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239

Table 54 Configuration File Download/Upload screen fields . . . . . . . . . . . . . . . . . 242

Table 55 Parameters not saved to the configuration file . . . . . . . . . . . . . . . . . . . . 244

Table 56 ASCII Configuration File Download/Upload screen fields . . . . . . . . . . . . 245

Table 57 Autosave Configuration screen fields . . . . . . . . . . . . . . . . . . . . . . . . . . . 247

Table 58 ip address command parameters and variables . . . . . . . . . . . . . . . . . . . 253

Table 59 no ip address command parameters and variables . . . . . . . . . . . . . . . . 253

Table 60 ip default-gateway command parameters and variables . . . . . . . . . . . . . 254

Table 61 show ip command parameters and variables . . . . . . . . . . . . . . . . . . . . . 255

Table 62 show ip address command parameters and variables . . . . . . . . . . . . . . 256

Table 63 ip address unit command parameters and variables . . . . . . . . . . . . . . . 257

Table 64 no ip address unit command parameters and variables . . . . . . . . . . . . . 258

320985-A Rev 01

Tables 29

Table 65 default ip address unit command parameters and variables . . . . . . . . . 259

Table 66 ping command parameters and variables . . . . . . . . . . . . . . . . . . . . . . . . 260

Table 67 ping command parameters and variables . . . . . . . . . . . . . . . . . . . . . . . . 263

Table 68 ip name-server command parameters and variables . . . . . . . . . . . . . . . 264

Table 69 no ip name-server command parameters and variables . . . . . . . . . . . . 264

Table 70 ip domain-name command parameters and variables . . . . . . . . . . . . . . 265

Table 71 configure network command parameters and variables . . . . . . . . . . . . . 267

Table 72 copy running-config tftp command parameters and variables . . . . . . . . 270

Table 73 terminal command parameters and variables . . . . . . . . . . . . . . . . . . . . . 272

Table 74 show cli command parameters and variables . . . . . . . . . . . . . . . . . . . . 272

Table 75 boot command parameters and variables . . . . . . . . . . . . . . . . . . . . . . . 275

Table 76 ip bootp server command parameters and variables . . . . . . . . . . . . . . . 275

Table 77 tftp-server command parameters and variables . . . . . . . . . . . . . . . . . . . 277

Table 78 copy config tftp command parameters and variables . . . . . . . . . . . . . . . 278

Table 79 copy tftp config command parameters and variables . . . . . . . . . . . . . . . 279

Table 80 cmd-interface command parameters and variables . . . . . . . . . . . . . . . . 280

Table 81 banner command parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281

Table 82 show banner command parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281

Table 83 show interfaces command parameters and variables . . . . . . . . . . . . . . . 283

Table 84 show interfaces config command parameters and variables . . . . . . . . . 285

Table 85 sntp server primary address command parameters and variables . . . . . 291

Table 86 sntp server secondary address command parameters and variables . . 292

Table 87 no sntp server command parameters and variables . . . . . . . . . . . . . . . . 292

Table 88 sntp sync-interval command parameters and variables . . . . . . . . . . . . . 293

Table 89 clock time-zone command parameters and variables . . . . . . . . . . . . . . . 294

Table 90 clock summer-time command parameters and variables . . . . . . . . . . . . 295

Table 91 lldp command parameters and variables . . . . . . . . . . . . . . . . . . . . . . . . 301

Table 92 default lldp command parameters and variables . . . . . . . . . . . . . . . . . . 301

Table 93 lldp port config notification command parameters and variables . . . . . . 302

Table 94 no lldp port config notification command parameters and variables . . . . 303

Table 95 no lldp port config notification command parameters and variables . . . . 303

Table 96 lldp tx-tlv command parameters and variables . . . . . . . . . . . . . . . . . . . . 304

Table 97 no lldp tx-tlv command parameters and variables . . . . . . . . . . . . . . . . . 304

Table 98 default lldp tx-tlv command parameters and variables . . . . . . . . . . . . . . 305

Table 99 lldp port status command parameters and variables . . . . . . . . . . . . . . . 306

System Configuration Guide

30 Tables

Table 100 no lldp port status command parameters and variables . . . . . . . . . . . . . 306

Table 101 default lldp port status command parameters and variables . . . . . . . . . 307

Table 102 show lldp command parameters and variables . . . . . . . . . . . . . . . . . . . . 307

Table 103 show lldp port command parameters and variables . . . . . . . . . . . . . . . . 310

Table 104 blink-leds command parameters and variables . . . . . . . . . . . . . . . . . . . 313

Table 105 download command parameters and variables . . . . . . . . . . . . . . . . . . . 316

Table 106 shutdown [port <portlist>] command parameters and variables . . . . . . 320

Table 107 no shutdown command parameters and variables . . . . . . . . . . . . . . . . . 321

Table 108 name command parameters and variables . . . . . . . . . . . . . . . . . . . . . . 322

Table 109 no name command parameters and variables . . . . . . . . . . . . . . . . . . . . 322

Table 110 default name command parameters and variables . . . . . . . . . . . . . . . . . 323

Table 111 speed command parameters and variables . . . . . . . . . . . . . . . . . . . . . . 324

Table 112 default speed command parameters and variables . . . . . . . . . . . . . . . . 325

Table 113 duplex command parameters and variables . . . . . . . . . . . . . . . . . . . . . . 325

Table 114 default duplex command parameters and variables . . . . . . . . . . . . . . . . 326

Table 115 flowcontrol command parameters and variables . . . . . . . . . . . . . . . . . . 327

Table 116 no flowcontrol command parameters and variables . . . . . . . . . . . . . . . . 328

Table 117 default flowcontrol command parameters and variables . . . . . . . . . . . . . 328

Table 118 rate-limit command parameters and variables . . . . . . . . . . . . . . . . . . . . 330

Table 119 show auto-negotiation-advertisements command . . . . . . . . . . . . . . . . . 332

Table 120 show auto-negotiation-capabilities command . . . . . . . . . . . . . . . . . . . . . 333

Table 121 auto-negotiation-advertisements command . . . . . . . . . . . . . . . . . . . . . . 334

Table 122 no auto-negotiation-advertisements command . . . . . . . . . . . . . . . . . . . 334

Table 123 default auto-negotiation-advertisements command . . . . . . . . . . . . . . . . 335

Table 124 Unit tab fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 338

Table 125 Rate Limit tab fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 339

Table 126 Globals tab fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340

Table 127 Addresses tab fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 341

Table 128 ARP tab fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 342

Table 129 System tab fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 344

Table 130 Base Unit Info tab fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347

Table 131 Stack Info tab fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 348

Table 132 Agent tab fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350

Table 133 Power Supply tab fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 351

Table 134 Fan tab fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 353

320985-A Rev 01

Tables 31

Table 135 FileSystem Config/Image/Diag file dialog box fields . . . . . . . . . . . . . . . . 359

Table 136 ASCII Config File tab fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361

Table 137 SNTP dialog box fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 363

Table 138 Topology tab fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 365

Table 139 Topology Table tab fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 366

Table 140 Interface tab fields for a single port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 370

Table 141 Interface tab fields for multiple ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . 372

Table 142 System Information page items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 376

Table 143 Items on the Quick Start page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 378

Table 144 IP page items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 387

Table 145 System page items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 390

Table 146 Port Management page items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 391

Table 147 High Speed Flow Control page items . . . . . . . . . . . . . . . . . . . . . . . . . . . 393

Table 148 Software Download page fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 395

Table 149 LED Indications during the software download process . . . . . . . . . . . . . 396

Table 150 Ascii Configuration file download page items . . . . . . . . . . . . . . . . . . . . . 397

Table 151 Configuration File Setting items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 398

Table 152 Parameters not saved to the configuration file . . . . . . . . . . . . . . . . . . . . 399

Table 153 Console/Communication Port page items . . . . . . . . . . . . . . . . . . . . . . . 401

Table 154 Rate Limiting page items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 402

Table 155 Corrective actions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 407

Table 156 1000BASE-SFP models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 412

Table 157 Nortel CWDM SFP transceiver list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 413

Table 158 Technical specifications for 1000BASE-SX, and 1000BASE-LX SFPs . 417

Table 159 1000BASE-SX SFP specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 418

Table 160 1000BASE-LX SFP specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 419

Table 161 1000BASE-SX SFP specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 420

Table 162 CWDM SFP (70 km) specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 421

Table 163 CWDM SFP (40 km) specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 422

Table 164 RJ-45 port connector pin assignments . . . . . . . . . . . . . . . . . . . . . . . . . . 426

Table 165 DB-9 Console port connector pin assignments . . . . . . . . . . . . . . . . . . . 429

Table 166 Pin descriptions for 1000Base-T pinouts . . . . . . . . . . . . . . . . . . . . . . . . 430

Table 167 Factory default settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 431

Table 168 CLI command list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 447

Table 169 Environmental specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 469

System Configuration Guide

32 Tables

Table 170 Electrical parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 469

Table 171 Physical dimensions of the Ethernet Switch 325 . . . . . . . . . . . . . . . . . . 470

Table 172 Physical dimensions of the Ethernet Switch 425 . . . . . . . . . . . . . . . . . . 470

Table 173 Performance specifications of the Ethernet Switch 325 . . . . . . . . . . . . . 471

Table 174 Performance specifications of the Ethernet Switch 425 . . . . . . . . . . . . . 471

320985-A Rev 01

Preface

33

This guide provides information about configuring and managing basic switching
features on the Nortel Ethernet Switch 325 and Nortel Ethernet Switch 425.

This guide describes the features of the following Nortel switches.

• Nortel Ethernet Switch 325-24T

• Nortel Ethernet Switch 325-24G

• Nortel Ethernet Switch 425-24T

• Nortel Ethernet Switch 425-48T

The term “Ethernet Switch 325/425” is used in this document to describe the
features common to the switches mentioned above.

The term “Ethernet Switch 325” is used to describe features of the Ethernet
Switch 325-24G and Ethernet Switch 325-24T collectively.

Similarly the term “Ethernet Switch 425” is used to describe the features of the
Ethernet Switch 425-24T and the Ethernet Switch 425-48T collectively.

A switch is referred to by its specific name while describing a feature exclusive to
the switch.

You can use the Ethernet Switch 425-24T and the Ethernet Switch 425-48T in the
standalone and stack configuration mode. The Ethernet Switch 325 operates only
in the standalone mode.

System Configuration Guide

34 Preface

Before you begin

This guide is intended for network administrators who have the following
background:

• basic knowledge of networks, Ethernet bridging, and IP routing

• familiarity with networking concepts and terminology

• basic knowledge of network topologies

Text conventions

This guide uses the following text conventions:

angle brackets (< >) Indicate that you choose the text to enter based on the

description inside the brackets. Do not type the
brackets when entering the command.

Example: If the command syntax is

ping <ip_address>, you enter
ping 192.32.10.12

320985-A Rev 01

bold body text Indicates objects such as window names, dialog box

names, and icons, as well as user interface objects such
as buttons, tabs, and menu items.

braces ({}) Indicate required elements in syntax descriptions where

there is more than one option. You must choose only
one of the options. Do not type the braces when
entering the command.

Example: If the command syntax is

show ip {alerts|routes}, you must enter either
show ip alerts or show ip routes, but not both.

brackets ([ ]) Indicate optional elements in syntax descriptions. Do

not type the brackets when entering the command.
Example: If the command syntax is

show ip interfaces [-alerts], you can enter

show ip interfaces or

either

show ip interfaces -alerts.

Preface 35

italic text Indicates variables in command syntax descriptions.

Also indicates new terms and book titles. Where a
variable is two or more words, the words are connected
by an underscore.

Example: If the command syntax is

show at <valid_route>,
valid_route is one variable and you substitute one

value for it.

plain Courier
text

separator ( > ) Shows menu paths.

vertical line (

| ) Separates choices for command keywords and

Related publications

For more information about using the Ethernet Switch 325/425, refer to the
following publications:

• Release Notes for the Nortel Ethernet Switch 325/425, Software Release 3.6
(217155-C)

Indicates command syntax and system output, for
example, prompts and system messages.

Example:

Set Trap Monitor Filters

Example: Protocols > IP identifies the IP command on
the Protocols menu.

arguments. Enter only one of the choices. Do not type
the vertical line when entering the command.

Example: If the command syntax is

show ip {alerts|routes}, you enter either
show ip alerts or show ip routes, but not

both.

Documents important changes about the software and hardware that are not
covered in other related publications.

• Configuring VLANs, Spanning Tree, and MultiLink Trunking for Nortel
Ethernet Switches 325 and 425, Software Release 3.6 (320986-A)

Describes how to configure Virtual Local Area Networks (VLAN), Spanning
Tree Protocol (STP), and MultiLink Trunk (MLT) features for the Nortel
Ethernet Switches 325 and 425.

System Configuration Guide

36 Preface

• Configuring QoS for Nortel Ethernet Switches 325 and 425, Software
Release 3.6 (320987-A)

Describes how to configure and manage Quality of Service and IP Filtering
features for the Nortel Ethernet Switches 325 and 425.

• Configuring and Managing Security for Nortel Ethernet Switches
325 and 425, Software Release 3.6 (320988-A)

Describes how to configure and manage security for the Nortel Ethernet
Switches 325 and 425.

• System Monitoring Guide for Nortel Ethernet Switches 325 and 425, Software
Release 3.6 (320989-A)

Describes how to configure system logging and network monitoring, and how
to display system statistics for the Nortel Ethernet Switches 325 and 425.

• Configuring IP Multicast for Nortel Ethernet Switches 325 and 425, Software
Release 3.6 (320990-A)

Describes how to configure IP Multicast Routing Protocol features for the
Nortel Ethernet Switches 325 and 425.

You can print selected technical manuals and release notes free, directly from
Internet. Go to www.nortel.com/support. Find the product for which you need
documentation. Then locate the specific category and model or version for your
hardware or software product. Use Adobe* Reader* to open the manuals and
release notes, search for the sections you need, and print them on most standard
printers. Go to www.adobe.com to download a free copy of Adobe Reader.

How to get help

This section explains how to get help for Nortel products and services.

Getting help from the Nortel web site

The best way to get technical support for Nortel products is from the Nortel
Technical Support web site:

www.nortel.com/support

320985-A Rev 01

Preface 37

This site provides quick access to software, documentation, bulletins, and tools to
address issues with Nortel products. More specifically, the site enables you to:

• download software, documentation, and product bulletins

• search the Technical Support web site and the Nortel Knowledge Base for
answers to technical issues

• sign up for automatic notification of new software and documentation for
Nortel equipment

• open and manage technical support cases

Getting help through a Nortel distributor or reseller

If you purchased a service contract for your Nortel product from a distributor or
authorized reseller, contact the technical support staff for that distributor or
reseller.

Getting help over the phone from a Nortel Solutions Center

If you do not find the information you require on the Nortel Technical Support
web site, and have a Nortel support contract, you can also get help over the phone
from a Nortel Solutions Center.

In North America, call 1-800-4NORTEL (1-800-466-7835).

Outside North America, go to the following web site to obtain the phone number
for your region:

www.nortel.com/callus

Getting help from a specialist by using an Express Routing Code

An Express Routing Code (ERC) is available for many Nortel products and
services. When you use an ERC, your call is routed to a technical support person
who specializes in supporting that product or service. To locate the ERC for your
product or service, go to:

www.nortel.com/erc

System Configuration Guide

38 Preface

320985-A Rev 01

Chapter 1
About Ethernet Switches 325 and 425

This chapter provides an introduction to the Ethernet switch software release 3.6.
This version of the Ethernet switch software supports the following devices:

• Ethernet Switch 325

• Ethernet Switch 425

This chapter describes the hardware components and features of the Ethernet
Switch 325/425, and covers the following topics:

• “New features in software release 3.6”

• “Hardware components of the Ethernet Switch 325” on page 57

• “Hardware components of the Ethernet Switch 425” on page 67

• “Network configuration examples” on page 83

• “Stack operation” on page 87

39

New features in software release 3.6

The Ethernet Switch 325/425 provides wire-speed switching for
high-performance, low-cost connections to full-duplex and half-duplex
10/100/1000 Mb/s Ethernet Local Area Networks (LANs).

The following is the list of new features introduced in the Ethernet Switch 325/
425 software release 3.6.

• “Link Layer Discovery Protocol (IEEE 802.1ab)” on page 40

• “Ethernet Switch 425-48T stacking support” on page 44

• “Username and password enhancement” on page 44

System Configuration Guide

40 Chapter 1 About Ethernet Switches 325 and 425

• “Radius password fallback enhancement” on page 45

• “SNMP trap port enhancement” on page 46

• “EAPoL with Guest VLAN” on page 46

• “shutdown command” on page 46

• “reload command” on page 47

• “show mac-address-table enhancement” on page 48

• “restore factory-default command” on page 48

• “Ping enhancement” on page 49

• “show interfaces config command” on page 49

• “Autosave enable/disable enhancement” on page 49

• “Download without reset” on page 50

• “write memory and save config commands” on page 50

• “Daylight savings time enhancement” on page 50

• “BootP when needed as default” on page 51

• “VLAN tagging enhancement” on page 51

• “VLAN Configuration Control” on page 52

• “Port mirroring configuration rules” on page 53

Link Layer Discovery Protocol (IEEE 802.1ab)

Release 3.6 software supports the Link Layer Discovery Protocol (LLDP)
(IEEE 802.1ab), which allows stations connected to a LAN to advertise their
capabilities to each other, enabling the discovery of physical topology information
for network management. LLDP-compatible stations can consist of any
interconnection device including PCs, IP Phones, switches, and routers. Each
LLDP station stores LLDP information in a standard Management Information
Base (MIB), making it possible for the information to be accessed by a network
management system (NMS) or application.

Each LLDP station:

• advertises connectivity and management information about the local station to
adjacent stations on the same 802 LAN (802.3 Ethernet with Ethernet
Switches 325 and 425).

320985-A Rev 01

Chapter 1 About Ethernet Switches 325 and 425 41

• receives network management information from adjacent stations on the same
LAN.

LLDP also makes it possible to discover certain configuration inconsistencies or
malfunctions that can result in impaired communications at higher layers. For
example, it can be used to discover duplex mismatches between an IP Phone and
the connected switch.

LLDP is compatible with IETF PROTO MIB (IETF RFC 2922).

Figure 1 shows an example of how LLDP works in a network.

Figure 1 LLDP — how it works

Router

2

3

Management
Workstation

1

3

Ethernet Switch 425

T
M

2

IP Phone

1 The Ethernet Switch and router advertise chassis/port IDs and system

descriptions to each other.

2 The devices store the information about each other in local MIB databases,

accessible using SNMP.

3 A network management system retrieves the data stored by each device and

builds a network topology map.

System Configuration Guide

42 Chapter 1 About Ethernet Switches 325 and 425

LLDP operational modes

LLDP is a one-way protocol. An LLDP agent can transmit information about the
capabilities and current status of the system associated with its MAC service
access point (MSAP) identifier. The LLDP agent can also receive information
about the capabilities and current status of the system associated with a remote
MSAP identifier. However, LLDP agents cannot solicit information from each
other.

You can set the local LLDP agent to transmit only, receive only, or to both
transmit and receive LLDP information. You can configure the state for LLDP
reception and transmission using SNMP or CLI commands.

Connectivity and management information

The information fields in each LLDP frame are contained in a Link Layer
Discovery Protocol Data Unit (LLDPDU) as a sequence of short, variable length,
information elements known as TLVs (type, length, value).

320985-A Rev 01

Each LLDPDU includes the following four mandatory TLVs:

• Chassis ID TLV

•Port ID TLV

• Time To Live TLV

• End Of LLDPDU TLV

The chassis ID and the port ID values are concatenated to form a logical MSAP
identifier that is used by the recipient to identify the sending LLDP agent and port.

A non-zero value in the Time to Live (TTL) field of the TTL TLV indicates to the
receiving LLDP agent how long the LLDPDU information from the MSAP
identifier remains valid. All LLDPDU information is automatically discarded by
the receiving LLDP agent if the sender fails to update it in a timely manner. A
zero value in TTL field of Time To Live TLV tells the receiving LLDP agent to
discard the information associated with the LLDPDU MSAP identifier.

Chapter 1 About Ethernet Switches 325 and 425 43

In addition to the four mandatory TLVs, Release 3.6 software supports the basic
management TLV set. You can specify which of these optional TLVs to include
in the transmitted LLDPDUs for each port.

The optional management TLVs are as follows:

• Port Description TLV

•System Name TLV

• System Description TLV

• System Capabilities TLV (indicates both the system supported capabilities
and enabled capabilities, such as end station, bridge, or router)

• Management Address TLV

Transmitting LLDPDUs

When a transmit cycle is initiated, the LLDP manager extracts the managed
objects from the LLDP local system MIB and formats this information into TLVs.
The TLVs are then inserted into the LLDPDU.

LLDPDU are regularly transmitted at a user-configurable transmit interval
(tx-delay), or when any of the variables contained in the LLPDU is modified on
the local system (such as system name or management address). Tx-delay is the
minimum delay between successive LLDP frame transmissions.

TLV system MIBs

The LLDP local system MIB stores the information for constructing the various
TLVs to be sent. The LLDP remote systems MIB stores the information received
from remote LLDP agents.

LLDPDU and TLV error handling

LLDPDUs and TLVs that contain detectable errors are discarded. TLVs that are
not recognized, but that also contain no basic format errors, are assumed to be
validated and are stored for possible later retrieval by network management.

System Configuration Guide

44 Chapter 1 About Ethernet Switches 325 and 425

Configuring LLDP using the CLI

For information about configuring LLDP using the CLI, refer to “Configuring

LLDP using the CLI” on page 300.

Ethernet Switch 425-48T stacking support

With Release 3.6 software, the Ethernet Switch 425-48T can be stacked together
with the Ethernet Switch 425-24T up to eight units high. You can stack the units
using the Ethernet Switch 425 stack cables, which are available in 30 cm (1 foot)
and 1 m (3 foot) lengths. These cables can be ordered separately (order number
AL2018005 and AL2018006, respectively).

Note: With Release 3.6 software, the Ethernet Switches 425-24T and
425-48T have stacking enabled by default, which means that ports 26
and 50, respectively, are disabled by default. This is because the cascade
port shares resources with port 26 on the Ethernet Switch 425-24T and
port 50 on the Ethernet Switch 425-48T. Either the cascade port can be
active, or port 26 or 50 can be active.
If you want to use port 26 or port 50 in standalone mode, disable
stacking and reboot the switch.

For more information about stacking the Ethernet Switch 425-48T and Ethernet
Switch 425-24T devices, see “Stack operation” on page 87.

Username and password enhancement

With Release 3.6 software, you can use the CLI to set usernames as well as
passwords for system access through the Console Interface, CLI, Telnet, and
Web-based management. The syntax for the new

username <username> <password> [ro|rw]

320985-A Rev 01

username command is:

Chapter 1 About Ethernet Switches 325 and 425 45

If you set a password using the cli password command, the Console/Comm
Port Configuration screen, or the Password Setting Web-based management

page, the next time you log in to the switch, you are prompted to enter a valid
username. Therefore, ensure you are aware of the valid usernames (default RW
and RO) before you change passwords.

For more information, refer to Configuring and Managing Security for Nortel
Ethernet Switches 325 and 425, Software Release 3.6 (320988-A).

Radius password fallback enhancement

With Release 3.6 software, you can configure RADIUS password fallback as an
option when you use RADIUS authentication for login and password.

When RADIUS password fallback is enabled and the RADIUS server is
unavailable or unreachable, you can use the local switch or stack password to log
in to the switch or stack.

When RADIUS password fallback is disabled, you must specify the RADIUS
username and password from the NetLogin screen. You cannot log in to the
switch or stack unless the RADIUS server is configured and reachable in order to
authenticate the login and password.

The Radius password fallback feature is disabled by default.

You can use the Console Interface or the

fallback

CLI command to enable this feature.

radius-server password

For more information, refer to Configuring and Managing Security for Nortel
Ethernet Switches 325 and 425, Software Release 3.6 (320988-A).

System Configuration Guide

46 Chapter 1 About Ethernet Switches 325 and 425

SNMP trap port enhancement

The SNMP trap port enhancement allows you to configure the SNMP trap port.
The default SNMP trap port used for communicating with the trap receiver is port

162. You can now configure a different SNMP trap port using the following CLI

command:

snmp-server host <host-ip> [port <1-65535>]
{<community-string>|v2c <community-string>|
v3 {auth|no-auth|auth-priv} <username>}

For more information, see Configuring and Managing Security for Nortel
Ethernet Switches 325 and 425, Software Release 3.6 (320988-A).

EAPoL with Guest VLAN

Prior to Release 3.6, EAP (802.1x) Authentication supported Port Based User
Access. At any time, only one user (MAC) could be authenticated on a port, and
the port could be assigned to only one Port-based VLAN. Only the MAC address
of the device/user that completed the EAP negotiations on the port had access to
that port for traffic. Any tagging of ingress packets would be to the PVID of that
port. This remains the default configuration.

With Software Release 3.6, EAP also allows Guest VLANs to be configured for
access to that port. Any active VLAN can be made a Guest VLAN.

For more information, see Configuring and Managing Security for Nortel
Ethernet Switches 325 and 425, Software Release 3.6 (320988-A).

shutdown command

The shutdown CLI command allows you to safely shut down and power off the
switch. Once the
configuration, allowing you to power off the switch within the specified time
period (1 to 60 minutes). If the switch is not powered off within the allotted time,
the switch performs a reset.

320985-A Rev 01

shutdown command is initiated, the switch saves the current

For more information, see “shutdown command for the unit” on page 134.

reload command

The reload CLI command provides you with a configuration rollback
mechanism to prevent loss of connectivity to a switch, typically for remote
configurations. The
autosave feature for a specified time period (1 to 60 minutes), allowing you to
make a number of configuration changes on remote switches without affecting the
current saved configuration.

Chapter 1 About Ethernet Switches 325 and 425 47

reload command allows you to temporarily disable the

During the interval in which the autosave feature is disabled by the

reload

command, you must use the copy config nvram, write mem, or

save config command to force a manual save of your configurations.

Once the reload timer expires, the switch reloads the last saved configuration. To
abort the switch reload before the timer expires, you must enter the

reload cancel command.

The

reload command provides you with a safeguard against any

misconfigurations when you perform dynamic configuration changes on a remote
switch.

The following example describes how you can use the

reload command to

prevent connectivity loss to a remote switch.

1 Enter the CLI command

reload force 30. This instructs the switch to

reboot in 30 minutes, loading the configuration from NVRAM.

During this 30-minute period, autosave of the configuration to NVRAM is
disabled.

2 Execute dynamic switch configuration commands, which take effect

immediately. These configurations are not saved to NVRAM.

System Configuration Guide

48 Chapter 1 About Ethernet Switches 325 and 425

3 If the configurations cause no problems and switch connectivity is

maintained, you can perform the following:

a Save the current running configuration using the

write mem, or save config command.

b Since the new configuration is working properly, cancel the reload using

the

reload cancel command.

If you make an error when performing configurations in Step 2 that results in the
loss of switch connectivity (for example, an error in the IP address mask, MLT
configuration, or VLAN trunking), the

reload command provides you with a

safeguard: when the reload timer expires, the switch reboots to the last saved
configuration, and connectivity is re-established. Therefore, you do not have to
travel to the remote site to reconfigure the switch.

For more information, see “reload command” on page 136.

show mac-address-table enhancement

The show mac-address-table CLI command provides the following new
parameters:
to filter the results of the command by displaying only those entries in the address
table that include or exclude the specified pattern. The value for <pattern> must
be a sequence of 1 to 6 bytes in hex, separated by dashes, for example:

include/exclude <pattern>. These new parameters allow you

copy config nvram,

show mac-address-table port 1/1-5 address
include 00-0E-45-23

For more information, see “show mac-address-table command” on page 144.

restore factory-default command

The restore factory-default CLI command resets the switch or stack back
to its default configuration.

The syntax for the

320985-A Rev 01

restore factory-default command is:

restore factory-default [-y]

where the [-y] parameter instructs the switch not to prompt for confirmation.

For more information, refer to “Resetting the switch to default configuration” on

page 261.

Ping enhancement

Release 3.6 software extends the ping capabilities of the device. Using the CLI,
you can now specify additional ping parameters, including the number of ICMP
packets to be sent, the packet size, the interval between packets, and the timeout.
You can also set ping to continuous, or you can set a debug flag to obtain extra
debug information.

For more information, see “Pinging” on page 259.

Chapter 1 About Ethernet Switches 325 and 425 49

show interfaces config command

The show interfaces config CLI command displays the current operational
status of interfaces and provides supplementary information about the current port
settings for Spanning Tree Protocol.

For more information, see “show interfaces config command” on page 284.

Autosave enable/disable enhancement

Release 3.6 software extends the ability to set autosave enable/disable using the
Console Interface (Configuration File > Autosave Configuration) and Web-based
management (Configuration > Configuration File).

System Configuration Guide

50 Chapter 1 About Ethernet Switches 325 and 425

Download without reset

The download without reset enhancement allows you to download diagnostic and
image software to the switch without the switch performing an automatic reset.
Once the software is downloaded, you must initiate a manual reset to load the new
diagnostic and software images.

For more information, see “Software Download screen” on page 237 and

“download command” on page 316.

write memory and save config commands

Release 3.6 software provides two additional CLI commands to save the switch
configuration to NVRAM. The
function identically to the

For more information, see the following:

write memory and save config commands

copy config nvram command.

• “write memory command” on page 286

• “save config command” on page 286

Daylight savings time enhancement

SNTP uses Universal Coordinated Time (UTC) for all time synchronizations so it
is not affected by different time zones. With Release 3.6 software, you can use the
following commands to set the switch to report the correct time for your local time
zone and for daylight savings time:

• “clock time-zone” on page 294

• “no clock time-zone” on page 295

• “clock summer-time” on page 295

• “no clock summer-time” on page 296

• “show clock time-zone” on page 296

• “show clock summer-time” on page 296

320985-A Rev 01

Chapter 1 About Ethernet Switches 325 and 425 51

BootP when needed as default

With Release 3.6 software, the default operational mode for BootP on the switch
or stack is now

BootP when needed. By default, the switch or stack attempts to

use BootP if no management address is configured.

VLAN tagging enhancement

Release 3.6 software provides additional options for VLAN port tagging. Rather
than setting a port to untagged or tagged mode, you can now also choose to enable
or disable PVID tagging.

Tabl e 1 summarize the new tagging options.

Table 1 VLAN Tagging mode definitions

Tagging mode Definition

PVID Tagging Non-PVID Tagging

Untag All (Untagged Access) Disabled Disabled

Tag All (Tagged Trunk) Enabled Enabled

Tag PVID Only Enabled Disabled

Untag PVID Only Disabled Enabled

The additional options are available using only the Console Interface VLAN Port
Configuration screen or the

vlan ports CLI command. For more information,

refer to Configuring VLANs, Spanning Tree, and MultiLink Trunking for Nortel
Ethernet Switches 325 and 425, Software Release 3.6 (320986-A).

System Configuration Guide

52 Chapter 1 About Ethernet Switches 325 and 425

VLAN Configuration Control

VLAN Configuration Control (VCC) is a new feature in Software Release 3.6 that
allows a switch administrator to control how VLANs are modified. VLAN
Configuration Control is a superset of the existing AutoPVID functionality and
incorporates this functionality for backwards compatibility. VLAN Configuration
Control is globally applied to all VLANs on the switch.

VLAN Configuration Control offers four options for controlling VLAN
modification:

1 Strict — This option restricts the addition of an untagged port to a VLAN if it

is already a member of another VLAN. To add an untagged port to a new
VLAN, the switch administrator must remove the port from all other VLANs
of which it is a member of before adding it to the new VLAN. The PVID of
the port will be changed to the new VID to which it was added.

Note: Strict is the factory default setting.

320985-A Rev 01

1

2 Automatic — This option automatically adds an untagged port to a new

VLAN and automatically removes it from any previous VLAN membership.
The PVID of the port is automatically changed to the VID of the VLAN it
joins. Since the port is first added to the new VLAN and then removed from
any previous membership, the Spanning Tree Group participation of the port
will not be disabled as long as the VLANs involved are in the same Spanning
Tree Group.

3 AutoPVID — This option functions in the same manner as previous

AutoPVID functionality. When an untagged port is added to a new VLAN,
the port is added to the new VLAN and the PVID assigned to the new VID
without removing it from any previous VLAN memberships. Using this
option an untagged port can have membership in multiple VLANs.

4 Flexible — This option functions in a similar manner to disabling AutoPVID

functionality. When this option is used, there are no restrictions on the
number of VLANs to which an untagged port can belong. Any new additions
of an untagged port to a new VLAN does not change the PVID of that port.

Chapter 1 About Ethernet Switches 325 and 425 53

VLAN Configuration Control is only applied to ports with the tagging modes of
Untag All and Tag PVID Only. Ports with the tagging modes of Tag All and
Untag PVID Only are not governed by VLAN Configuration Control. Ports with
the tagging modes of Tag All and Untag PVID Only can belong to multiple
VLANs regardless of VLAN Configuration Control settings and must have their
PVID manually changed.

For more information, refer to Configuring VLANs, Spanning Tree, and

MultiLink Trunking for Nortel Ethernet Switches 325 and 425, Software
Release 3.6 (320986-A).

Port mirroring configuration rules

Additional port mirroring configuration rules are available in System Monitoring
Guide for Nortel Ethernet Switches 325 and 425, Software
Release 3.6 (320989-A).

Other features

SFP GBIC Support on the Ethernet Switch 425

Small Form Factor Pluggable transceivers (SFPs) are hot-swappable input/output
enhancement components designed for use with Nortel products to allow Gigabit
Ethernet ports to link with other Gigabit Ethernet ports over various media types.

The Ethernet Switch 425 supports the following SFPs:

• 1000Base-SX SFP GBIC (mini-GBIC, connector type: LC)

• 1000Base-SX SFP GBIC (mini-GBIC, connector type: MT-RJ)

• 1000Base-LX SFP GBIC (mini-GBIC, connector type: LC)

• CWDM SFPs

For more information about the SFP GBICs see Appendix A, “Installing an SFP

Transceiver,” on page 409.

System Configuration Guide

54 Chapter 1 About Ethernet Switches 325 and 425

Flash memory storage

Switch software image storage

The Ethernet Switch 325/425 uses flash memory to store the switch software
image. The flash memory allows you to update the software image with a newer
version without changing the switch hardware (see “Software Download screen”

on page 237). An in-band connection between the switch and the TFTP load host

is required to download the software image.

Autosensing, and autonegotiation

The Ethernet Switch 325/425 is an autosensing and autonegotiating device:

• The term autosense refers to the ability of a port to sense the speed of an
attached device.

• The term autonegotiation refers to a standardized protocol (IEEE 802.3u) that
exists between two IEEE 802.3u-capable devices. Autonegotiation allows the
switch to select the best of speed and duplex modes.

320985-A Rev 01

Autosensing is used when the attached device is not capable of autonegotiation or
is using a form of autonegotiation that is not compatible with the IEEE 802.3u
standard. In this case, since it is not possible to sense the duplex mode of the
attached device, the Ethernet Switch 325/425 reverts to half-duplex mode.

When autonegotiation-capable devices are attached to the Ethernet Switch 325/
425, the ports negotiate down from 100 Mb/s speed and full-duplex mode until the
attached device acknowledges a supported speed and duplex mode.

For more information about autosensing and autonegotiation modes, see

Chapter 13, “Troubleshooting,” on page 405.

RFCs

For more information about networking concepts, protocols, and topologies,
consult the following RFCs:

• RFC 1213 (MIB-II)

• RFC 1493 (Bridge MIB)

Chapter 1 About Ethernet Switches 325 and 425 55

• RFC 1573 (Interface MIB)

• RFC 1643 (Ethernet MIB)

• RFC 1757 (RMON)

• RFC 1271 (RMON)

• RFC 1157 (SNMP)

Standards

The following IEEE Standards also contain information germane to the Ethernet
Switch 325/425:

• IEEE 802.1D (Standard for Spanning Tree Protocol)

• IEEE 802.3 (Ethernet)

• IEEE 802.1Q (VLAN Tagging)

BootP automatic IP configuration/MAC address

The Ethernet Switch 325/425 has a unique 48-bit hardware address, or MAC
address, that is printed on a label on the back panel. You use this MAC address
when you configure the network BootP server to recognize the Ethernet Switch
425-24T BootP requests. A properly configured BootP server enables the switch
to automatically learn its assigned IP address, subnet mask, IP address of the
default router (default gateway), and software image file name.

For information about a stack MAC address, see “Stack MAC address” on

page 89.

For more information and an example of a BootP configuration file, see

Appendix D, “Sample BootP configuration file,” on page 443.

Configuration and switch management

The Ethernet Switch 325/425 that is shipped directly from the factory is ready to
operate in any 10BASE-T or 100BASE-TX standard network.

You must assign an IP address to the switch or stack, depending on the mode of
operation. You can set both addresses by using the console port or BootP, which
resides on the switch. You can manage the switch using:

System Configuration Guide

56 Chapter 1 About Ethernet Switches 325 and 425

• Console interface

The console interface allows you to configure and manage the switch locally
or remotely. Access the CI menus and screens locally through a console
terminal attached to the Ethernet Switch 325/425, remotely through a dial-up
modem connection, or in-band through a Telnet session.

For information about the console interface, see Chapter 2, “Using the

console interface,” on page 93.

• Command Line Interface (CLI)

The CLI is used to automate general management and configuration of the
Ethernet Switches 325 and 425. Use the CLI through a Telnet connection or
through the serial port on the console. See Chapter 3, “CLI Basics,” on page

119 for more information.

• Java-based Device Manager

Device Manager is a Java-based set of graphical network management
applications used to configure and manage an Ethernet Switch 325/425. See

Chapter 4, “Getting Started with Device Manager,” on page 171 for more

information.

320985-A Rev 01

• Web-based management

You can manage the network from the World Wide Web. Access the
Web-based Graphical User Interface (GUI) through the Embedded Web
Server (EWS), the HTML-based browser located on your network. The GUI
allows you to configure, monitor, and maintain your network through Web
browsers. You can also download software using the Web.

For information about Web-based management, refer to Chapter 5, “Using the

Web-based management interface,” on page 199.

• Any generic SNMP-based network management software.

You can use any generic SNMP-based network management software to
configure and manage an Ethernet Switch 325/425.

• Nortel Enterprise Policy Manager

The Nortel Enterprise Policy Manager (formerly Optivity Policy Services)
allows you to configure the Ethernet Switches 325 and 425 with a single
system.

Chapter 1 About Ethernet Switches 325 and 425 57

Hardware components of the Ethernet Switch 325

Front panel

Figure 2 shows the front and side views of the Ethernet Switch 325.

Figure 2 Ethernet Switch 325-24G

Figure 3 shows the configuration of the front panel on the Ethernet Switch 325.
Tabl e 2 describes the components on the front panel.

Figure 3 Ethernet Switch 325-24G front panel

31 42

LED Status - Amber:10Mps Green:100 Mps Blink:Activity

2526

UI

UI Cmd

Pwr

Spd: 10/100/1000T Act: Activity

UI Set

1 2 3 4 5 6 7 8 9 10 11 12

SpdAct SpdAct

LED Status - Off:Half Duplex Green:Full Duplex

13 14 15 16 17 18 19 20 21 22 23 24

Ethernet Switch 325-24G

Console

Ethernet Switch 325-24G

11108ER

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58 Chapter 1 About Ethernet Switches 325 and 425

Table 2 Components on the Ethernet Switch 325 switch front panel

Item Description

1 UI button

2 1000T Connectors (not available with Ethernet Switch

325-24T)

3 Port connectors

4 Console port

Note: 1000T connectors are not available for the Ethernet Switch
325-24T.

Console port

The Console port allows you to access the Console Interface (CI) screens and
customize your network using the console menu and screens. For more
information on using the Console Interface see Chapter 2, “Using the console

interface,” on page 93.

320985-A Rev 01

The Console port is a DB-9, RS-232-D male serial port connector. You can use
this connector to connect a management station, console, or terminal to the
Ethernet Switch 325 by using a straight-through DB-9 to DB-9 standard serial
port cable. You must use a VT100/ANSI-compatible terminal (for cursor control
and to enable cursor and functions keys) to use the console port.

Note: The console port is configured as a Data Communications Equip­ment (DCE) connector. Ensure that your RS-232 cable pinouts are con­figured for DCE connections. For more information see Appendix B,

“Connectors and pin assignments,” on page 425.

The default settings of the Console port are:

• 9600 baud with eight data bits

• One stop bit

• No parity as the communications format

• Flow control set to disabled

Chapter 1 About Ethernet Switches 325 and 425 59

Port connectors

The Ethernet Switch 325 uses 10BASE-T/100BASE-TX RJ-45 (8-pin modular)
port connectors.

The 10BASE-T/100BASE-TX port connectors are configured as MDI-X (Media
Dependent Interface-crossover). These ports are connected by straight cables
to the Network Interface Card (NIC) in a node or a server, similar to a
conventional Ethernet repeater hub. If you are connecting to an Ethernet hub or
Ethernet switch, use a crossover cable unless an MDI connection exists on the
associated port of the attached device (For more information see Appendix B,

“Connectors and pin assignments,” on page 425).

The Ethernet Switch 325 uses autosensing ports designed to operate at 10 Mb/s
(megabits per second) or at 100 Mb/s, depending on the connecting device. These
ports support the IEEE 802.3u autonegotiation standard, which means that when a
port is connected to another device which also supports the IEEE 802.3u standard,
the two devices negotiate the best speed and duplex mode.

The 10BASE-T/100BASE-TX switch ports also support half- and full-duplex
mode operation.

The 10BASE-T/100BASE-TX RJ-45 switch ports can connect to 10 Mb/s or 100
Mb/s Ethernet segments or nodes.

Note: Use only Category 5 copper Unshielded Twisted Pair (UTP)
cable connections when connecting 10BASE-T/100BASE-TX ports.

For more information on RJ-45 port connectors see Appendix B, “Connectors and

pin assignments,” on page 425 for more information.

LED display panel

Figure 4 shows the LED display panel of the Ethernet Switch 325-24G. See
Tabl e 3 for a description of the LEDs.

System Configuration Guide

lD

60 Chapter 1 About Ethernet Switches 325 and 425

Figure 4 Ethernet Switch 325-24G LED display panel

UI Set

UI

UI Cmd

Pwr

2526

T

A T A

T: 1000T A: Activity

LED Status - Amber:10Mps Green:100 Mps Blink:Activity

1 2 3 4 5 6 7 8 9 10 11

LED Status - Off:Ha

Table 3 Ethernet Switch 325-24G LED descriptions

Label Color/Status Meaning

Link/Activity Green Station connected at 100 Mbps.

Amber Station connected at 10 Mbps.

Green/Flashing Traffic activity at 100 Mbps.

Amber/Flashing Traffic activity at 10 Mbps.

Off No link/No traffic.

Half/Full
Duplex

UI Set Button The UI Set button is used to reset the switch

UI Green/Flashing Indicates the switch is in cmd mode.

UI Cmd Off Normally off.

Pwr Green Power on.

Green Full duplex

Off Half duplex connection.

without a console connection.

Green ON for about 3 seconds when executing a cmd,

then goes OFF.

Off The UI LED should be off, unless active.

Green/blinking The UI Cmd LED blinks once each time the UI

Set button is pressed, and while the UI LED is
blinking.

Off Unit not connected to a power source.

320985-A Rev 01

Chapter 1 About Ethernet Switches 325 and 425 61

Table 3 Ethernet Switch 325-24G LED descriptions (continued)

Label Color/Status Meaning

T Green/steady This port is set to operate at 1000 Mb/s, and

the link is good.

Amber/steady Station connected at 10/100 Mb/s.

Off No link on Copper uplink port.

A Green/blinking Indicates activity on link.

Off No activity on the link.

Back panel

The back panel of the Ethernet Switch 325-24T is shown in Figure 5. Ta ble 4
describes the components on the back panel.

Figure 5 Ethernet Switch 325-24T back panel

1

100-240 V­50-60Hz 2A

11110EA

Table 4 Components on the Ethernet Switch 325 back panel

Item Description

1 AC power receptacle

Cooling fans

Two cooling fans are located on one side of the Ethernet Switch 325 to provide
cooling for the internal components. (See Figure 2 on page 57). When you install
the switch, be sure to allow enough space on both sides of the switch for adequate
ventilation. For more information on installing the Ethernet Switch 325, see
Installing the Nortel Ethernet Switch 325 (217149-B).

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62 Chapter 1 About Ethernet Switches 325 and 425

AC power receptacle

The AC power receptacle accepts the AC power cord which is supplied with the
switch. For installation outside North America, make sure that you have the
proper power cord for your region. Any cord used must have a CEE-22 standard
V female connector on one end and must meet the IEC 320-030 specifications.

Tabl e 5 lists specifications for international power cords.

Table 5 International power cord specifications

Country/Plug description Specifications Typical plug

Continental Europe:

• CEE7 standard VII male
plug

• Harmonized cord (HAR
marking on the outside
of the cord jacket
to comply with the
CENELEC Harmonized
Document HD-21)

U.S./Canada/Japan:

• NEMA5-15P male plug

• UL recognized (UL
stamped on cord jacket)

• CSA certified (CSA label
secured to the cord)

220 or 230 VAC 50 Hz
Single phase

228FA

100 or 120 VAC 50–60 Hz
Single phase

227FA

320985-A Rev 01

Chapter 1 About Ethernet Switches 325 and 425 63

Table 5 International power cord specifications (continued)

Country/Plug description Specifications Typical plug

United Kingdom:

• BS1363 male plug with
fuse

• Harmonized cord

Australia:
AS3112-1981 Male plug

Caution: Please read immediately.

Inspect the power cord and determine if it provides the proper plug and is
appropriately certified for use with your electrical system. Immediately
discard this power cord if it is inappropriate for your country's electrical
system and obtain the proper cord as required by your national electrical
codes or ordinances.

240 VAC
50 Hz
Single phase

229FA

240 VAC
50 Hz
Single phase

230FA

Refer to this product's technical documentation for detailed installation
procedures to be followed by qualified service personnel.

System Configuration Guide

64 Chapter 1 About Ethernet Switches 325 and 425

Vorsicht: Bitte sofort lesen.

Sehen Sie nach, ob dieses Netzkabel über den richtigen Stecker verfügt und für
die Verwendung in Ihrem Stromversogungsnetz zertifiziert ist. Falls dieses Kabel
nicht für das Stromversorgungsnetz in Ihrem Land geeignet ist, darf es nicht
verwendet werden. Besorgen Sie sich ein Kabel, das die Vorschriften der
Zulassungsbehörden in Ihrem Land erfüllt.

Die technische Dokumentation dieses Produkts enthält ausführliche
Installationsanweisungen, die nur von qualifiziertem Kundendienstpersonal
ausgeführt werden dürfen.

Attention: Lisez ceci immédiatement.

Examinez ce cordon d'alimentation pour déterminer s'il dispose de la fiche
appropriée et s'il est bien agréé pour utilisation sur votre installation
électrique. Débarrassez-vous en immédiatement s'il ne convient pas à
l'utilisation sur le secteur électrique en usage dans votre pays et
procurez-vous un cordon conforme à la réglementation nationale en vigueur.

320985-A Rev 01

Reportez-vous à la documentation technique de ce produit pour obtenir des
instructions détaillées d'installation, destinées à un technicien qualifié.

Attenzione: Leggere attentamente.

Controllare questo cavo di alimentazione, verificarne il collegamento con la
presa appropriata nonché la certificazione per l'uso nell'impianto elettrico
posseduto. Non utilizzare assolutamente in caso tale cavo non sia adatto al
sistema elettrico del paese in cui viene utilizzato e richiederne un altro
certificato dall'ente nazionale di fornitura elettrica.

Per le procedure di installazione che devono essere seguite dal personale di
servizio, consultare questa documentazione tecnica del prodotto.

Chapter 1 About Ethernet Switches 325 and 425 65

Advertencia: Sírvase leer inmediatamente.

Inspeccione este cable de alimentación eléctrica y determine si viene con el
enchufe apropiado y está debidamente certificado para el uso con su sistema
eléctrico. Si no cumple con los reglamentos del sistema eléctrico de su país,
despójese de este cable de alimentación inmediatamente y obtenga el cable
requerido, según las ordenanzas y códigos eléctricos nacionales.

Refiérase a la documentación técnica de este producto para recibir información
detallada sobre los procedimientos que el personal calificado de reparaciones
deberá seguir.

Caution:

Warning: Removal of the power cord is the only way to turn off power to this

device. The power cord must always be connected in a location that can be
accessed quickly and safely in case of an emergency.

Vors ic ht : Die Stromzufuhr zu diesem Gerät kann nur durch Ziehen des
Netzstromkabels unterbrochen werden. Die Netzsteckdose, an die das
Netzstromkabel angeschlossen ist, muß sich stets an einem Ort befinden, der bei
einem Notfall schnell und einfach zugänglich ist.

System Configuration Guide

66 Chapter 1 About Ethernet Switches 325 and 425

Avertissement: Le débranchement du cordon d'alimentation constitue le seul

moyen de mettre cet appareil hors tension. Le cordon d'alimentation doit donc
toujours être branché dans une prise accessible pour faciliter la mise hors tension
en cas d'urgence.

Advertencia: La única forma de desconectar la alimentación de este dispositivo
es desenchufar el cable de alimentación. El cable de alimentación siempre debe
estar conectado en una ubicación que permita acceder al cable de forma rápida y
segura en caso de emergencia.

Avvertenza: Estrarre il cavo di alimentazione è l'unico sistema per spegnere il
dispositivo. Il cavo di alimentazione deve essere sempre collegato in una posiz­ione che permetta l'accesso facile e sicuro in caso di emergenza.

320985-A Rev 01

Chapter 1 About Ethernet Switches 325 and 425 67

Hardware components of the Ethernet Switch 425

Figure 6 shows the front and side views of the Ethernet Switch 425.

Figure 6 Ethernet Switch 425

T

M

11107FA

Front panel

Figure 7 shows the configuration of the front panel on the Ethernet Switch

425-24T.

Figure 7 Ethernet Switch 425-24T front panel

41 52

LED Status - Amber:10Mps Green:100 Mps Blink:Activity

2526

BaseUI

M

GBK/Stack Up

Pwr Down

UI Set

M:MGBIC A:ActivityT:1000T

1 2 3 4 5 6 7 8 9 10 11 12

T A M T A

3

LED Status - Off:Half Duplex Green:Full Duplex

13 14 15 16 17 18 19 20 21 22 23 24

Tabl e 6 describes the components on the front panel.

Console

TM

11108EA

System Configuration Guide

68 Chapter 1 About Ethernet Switches 325 and 425

Table 6 Components of the Ethernet Switch 425-24T front panel

Item Description

1 UI button

2 10/100/1000BaseT (copper) port 25 and 26

3 Gigabit Interface Converter (GBIC) ports 25 and 26

4 10/100BaseT ports 1 to 24

5 Console port

Note: With Release 3.6 software, the Ethernet Switches 425-24T and
425-48T have stacking enabled by default, which means that ports 26
and 50, respectively, are disabled by default. This is because the cascade
port shares resources with port 26 on the Ethernet Switch 425-24T and
port 50 on the Ethernet Switch 425-48T. Either the cascade port can be
active, or port 26 or 50 can be active.
If you want to use port 26 or port 50 in standalone mode, disable
stacking and reboot the switch.

320985-A Rev 01

User Interface button

The User Interface (UI) button on the Ethernet Switch 425 provides easy-to-use
features for stacking configuration.

You can perform the following tasks using the User Interface button on the
Ethernet Switch 425-24T:

• “Setting the unit as the Base Unit” on page 69

• “Setting the unit as the non-base unit” on page 69

• “Setting the unit as a standalone unit” on page 70

• “Resetting the stack” on page 70

• “Resetting the unit” on page 70

• “Setting the default IP address” on page 72

Note: On the Ethernet Switch 425-24T and 425-48T, the User Interface
button allows you to reset the unit.

Chapter 1 About Ethernet Switches 325 and 425 69

Setting the unit as the Base Unit

To set the unit as the Base Unit with the UI button:

1 Press the UI button and hold in for three seconds.

The unit is now in the Configuration mode, and the color and status of the UI
LED turns green blinking.

2 Press the UI button once.

The Base LED turns on, and the Up and Down LEDs are steady green to
indicate that the button press was recognized.

3 Press the UI button and hold it for three seconds to confirm the command.

The color and status of the UI LED returns to green once the command has
been accepted.

If the command is rejected, the UI LED turns amber blinking.

Note: Changing the Base Unit does not take effect until you restart the
system.

Setting the unit as the non-base unit

To set the unit as a non-base unit using the UI button:

1 Press the UI button and hold it for three seconds.

The unit will now be in the Configuration mode, and the color and status of
the UI LED turns green blinking.

2 Press the UI button twice.

The Base LED will be off, and the Up and Down LEDs are steady green.

3 Press the UI button and hold it for three seconds to confirm the command.

System Configuration Guide

70 Chapter 1 About Ethernet Switches 325 and 425

The color and status of the UI LED returns to steady green once the command
has been accepted. If the command is rejected, the UI LED turns amber
blinking.

Note: Changing the Base Unit does not take effect until you restart the
system.

Setting the unit as a standalone unit

To set the unit as a standalone unit using the UI button:

1 Press and hold the UI button until the UI LED displays the Green/blinking

status.

2 Press the UI button 6 times.

3 Press the UI button and hold it for 3 seconds to confirm the command.

Resetting the stack

320985-A Rev 01

To reset the stack using the UI button:

1 Press the UI button and hold in for three seconds.

The unit is now in configuration mode, and the color and status of the UI LED
turns green blinking.

2 Press the UI button three times.

The color and status of the Base, Down, and Up LEDs turn amber blinking.

3 Press the UI button and hold it for three seconds to confirm the command.

Resetting the unit

To reset the unit at any time, with the UI button, do the following:

1 Press the UI button for 3 seconds. The switch operates in the Configuration

mode. The UI LED turns green and will blink.

2 Press UI button 3 times.

Chapter 1 About Ethernet Switches 325 and 425 71

3 To confirm, keep the UI button pressed for 3 seconds more. The UI LED turns

either to solid-green (command accepted) or to solid-amber (error). After
another period (5 seconds) the UI LED turns Off.

Once the command is accepted, the new configuration is stored in NVRAM.

Note: When resetting the unit using the UI button, wait 60 seconds after
your last configuration change. The system takes up to 60 seconds to
save configuration changes to NVRAM. You can reset the stack
immediately after changing the configuration using the UI button
without losing any of the changed configuration.

Tabl e 7 describes the LED indications associated with the UI button.

Table 7 UI button LEDs on the Ethernet Switch 425-24T

Label Color/Status Description

UI Green/blinking The user pushed the UI button and activated

the front-panel configuration mode; the
system is awaiting input.

Green/steady The system accepts the UI button input.

Amber/blinking The system rejected the UI button input.

Pwr Green Power on.

Amber/slow blinking The system will reset in < 3 seconds. To stop

reset, release UI button.

Amber/fast blinking The system will reset in < 1 second. To stop

reset, release UI button.

Base Green/steady The unit is the base unit for the stack.

Green/blinking The unit is in configuration mode using the UI

button. The UI LED is also blinking green.

Amber The stack is reset using the UI button.

Off The switch is not the stack base unit, or it is

operating in standalone mode.

Up Green/steady The unit is being set as base or non-base unit

Amber/blinking The stack is reset using the UI button.

using the UI button—base unit has Base LED
on as well.

System Configuration Guide

72 Chapter 1 About Ethernet Switches 325 and 425

Label Color/Status Description

Down Green/steady The unit is being set as base or non-base unit

Amber/blinking The stack is reset using the UI button.

using the UI button — base unit has Base
LED on as well.

Aborting a command

To abort a command entered using the UI button, do one of the following actions:

• Wait for about 20 seconds after entering either the one-press (set to base unit)
or the two-press (reset to base) and the input is ignored.

• Press the UI button 7 or more times, which exits the Configuration mode and
does not change any settings on the switch.

Setting the default IP address

You can set a default IP address and subnet mask for the switch or stack by using
the UI button on the front panel of the Ethernet Switch 425. You can also manage
the switch or stack remotely by using a Default IP address. The default IP address
is 192.168.192.168.

Depending on the mode of operation of the switch (standalone or stack) the
default IP address is applied to the local unit or to the entire stack. When the
Ethernet Switch 425-24T is operating in the stack mode, the UI button on the front
panel on any unit of the stack can be used to set the default IP address. Ensure that
you do not create duplicate IP addresses on the network.

320985-A Rev 01

Note: The UI button may be used at any time to change the In-Use IP
address and subnet mask of the switch. It overrides the current In-use IP
address and subnet mask, if any, regardless of the BootP mode settings
for the switch or stack.

Chapter 1 About Ethernet Switches 325 and 425 73

If the default IP configuration is set, any change to the configured IP address or
subnet mask through the other user interfaces, will cause the In-use IP
configuration of the switch or stack to change. Therefore, the newly configured IP
address must be used to manage the switch or stack.

Note: If there is a change in the switch state, that is, if it joins or exits a
stack after the default IP configuration is set, the In-Use IP configuration
will change, and must be set again using the UI button.

To set the default IP address and subnet mask, do the following:

1 Press the UI button and hold in for 3 seconds.

The unit is now in the Configuration mode. The color and status of the UI
LED will turn green blinking.

2 Press the UI button five times.

The Base LED and the Up and Down LEDs will now be steady amber to
indicate that the button press was recognized.

3 Press the UI button and hold in for 3 seconds to confirm the command.

The In-Use IP address will now be changed to 192.168.192.168. The color
and status of the UI LED will turn to steady green once the command has
been accepted. If the command is rejected, the UI LED turns amber blinking.

LED display during change in IP address and subnet mask

The LEDs on the front panel change color or display blinking signals to indicate
that the In-Use configuration has changed.

If the unit is in a stack, only the LEDs of that unit will change color or blink.
There will be no change in the LEDs of other units in the stack.

System Configuration Guide

74 Chapter 1 About Ethernet Switches 325 and 425

Tabl e 8 describes the LED behavior at the time of setting the default IP address

and subnet mask.

Table 8 UI button LED display during change in IP address and subnet mask

Label Color/Status Status Description

UI Green Blinking The UI button has been pushed. The front panel

configuration mode has been activated. The
system is awaiting input.

Steady The input has been accepted

Amber Blinking The input has been rejected

Base Amber Steady The default IP address and subnet mask for this

unit or stack has been set to 192.168.192.168.

You cannot set the default IP address through the CLI, SNMP, Console, or WEB
interface.

Console port

320985-A Rev 01

The Console port allows you to access the Console Interface (CI) screens and
customize your network using the Console menu options and screens (see

Chapter 2, “Using the console interface,” on page 93).

The Console port is a DB-9, RS-232-D male serial port connector. You can use
this connector to connect a management station or console/terminal to the
Ethernet Switch 425 by using a straight-through DB-9 to DB-9 standard serial
port cable. You must use a VT100/ANSI-compatible terminal (for cursor control
and to enable cursor and functions keys) to use the Console port.

Note: The Console port is configured as a Data Communications
Equipment (DCE) connector. Ensure that your RS-232 cable pinouts are
configured for DCE connections (see Appendix B, “Connectors and pin

assignments,” on page 425).

The Console port default settings are:

• 9600 baud with eight data bits

• One stop bit

• No parity as the communications format

Chapter 1 About Ethernet Switches 325 and 425 75

• Flow control set to disabled.

Gigabit Interface Converter

SFP GBICs (Small Form Factor Pluggable Gigabit Interface Converters) are
hot-swappable input/output enhancement components designed for use with
Nortel products to allow Gigabit Ethernet ports to link with fiber optic networks.

Port connectors

The Ethernet Switch 425 uses 10BASE-T/100BASE-TX RJ-45 (8-pin modular)
port connectors.

The 10BASE-T/100BASE-TX port connectors are configured as MDI-X
(media-dependent interface-crossover). These ports are connected using straight
cables to the NIC in a node or server, similar to a conventional Ethernet repeater
hub. If you are connecting to an Ethernet hub or an Ethernet switch, use a
crossover cable unless an MDI connection exists on the associated port of the
attached device (see “Appendix B, “Connectors and pin assignments,” on page

425).

The Ethernet Switch 425 uses autosensing ports designed to operate at 10 Mb/s
(megabits per second) or at 100 Mb/s, depending on the connecting device. These
ports support the IEEE 802.3u autonegotiation standard, which means that when a
port is connected to another device which also supports the IEEE 802.3u standard,
the two devices negotiate at the best speed and duplex mode.

The 10BASE-T/100BASE-TX switch ports also support half- and full-duplex
mode operation.

The 10BASE-T/100BASE-TX RJ-45 ports can connect to 10 Mb/s or 100 Mb/s
Ethernet segments or nodes.

Note: Use only Category 5 copper Unshielded Twisted Pair (UTP)
cable connections when connecting 10BASE-T/100BASE-TX ports.

See Appendix B, “Connectors and pin assignments,” on page 425 for more
information about the RJ-45 port connectors.

System Configuration Guide

u

76 Chapter 1 About Ethernet Switches 325 and 425

LED display panel

Figure 8 shows the Ethernet Switch 425 LED display panel.

Figure 8 Ethernet Switch 425 LED display panel

LED Status - Off:Half Duplex Green:FullD

UI Set

GBK/Stack Up

Pwr Down

BaseUI

M

T A M T A

M:MGBIC A:ActivityT:1000T

2526

LED Status - Amber:10Mps Green:100 Mps Blink:Activity

1 2 3 4 5 6 7 8 9 10 11 12

4

Tabl e 9 describe the LEDs found in the Ethernet Switch 425.

Table 9 Ethernet Switch 425 LED descriptions

Command

Label

UI Power status Green Blinking Indicates the switch is in cmd mode.

GBIC/
Stack

Pwr Power status Green on DC power is available to the switch’s internal circuitry.

Base Base mode Green on The switch is configured as the stack base unit.

Up Stack mode Green Off The switch is in standalone mode.

Down Stack mode Green Off The switch is in standalone mode.

Status Color State Meaning

On ON for about 3 seconds when executing a cmd, then

goes OFF.

Off The UI LED should be off, unless active.

Stack Mode Green On The switch is in standalone mode.

Off The switch is in stack mode.

Off No AC power to switch or power supply failed.

Off The switch is not configured as the stack base unit (or is

in standalone mode).

Amber Due to a stack error, the unit is unable to maintain the

stack connection.

On The switch is connected to the upstream unit.

On The switch is connected to the downstream unit.

13

320985-A Rev 01

Chapter 1 About Ethernet Switches 325 and 425 77

Table 9 Ethernet Switch 425 LED descriptions (continued)

Command

Label

Status Color State Meaning

M
(MGBIC)

T
(Copper)
10/100/
1000 Link

A
(Activity)

Duplex Mode Green On This port has a good connection (fiber), and is configured

Off This port does not have a good connection (fiber), and

10/100/1000
Mb/s port speed
indicator

Port activity Green Blinking Indicates network activity for the corresponding port. A

Green On This port has a good connection (copper - at 1000 Mbps).

Amber On This port has a good connection (copper - at 100 Mbps).

Amber/
Green

Off Off This port does not have a good connection.

On This port has a good connection (copper - at 10 Mbps).

to full duplex.

port is configured to half duplex.

high level of network activity can cause the LEDs to
appear to be on continuously.

System Configuration Guide

78 Chapter 1 About Ethernet Switches 325 and 425

Back panel

Figure 9 shows the back panel of the Ethernet Switch 425.

Figure 9 Ethernet Switch 425 back panel

1 2

100-240 V­50-60Hz 2A

Tabl e 10 describes the components on the back panel.

Table 10 Components on the Ethernet Switch 425 back panel

Item Description

Cascade

Down Up

11110EA

1 AC power receptacle

2 Cascade Up and Down Connectors

Cascade Up and Down connectors

The Cascade Up and Down connectors allow the Ethernet Switch 425 to be
connected to the upstream unit’s Cascade Up connector, or to the downstream
unit’s Cascade Down connector (see “Stack configurations” on page 90.)

Cooling fans

Two cooling fans are located on the side of the Ethernet Switch 425 to provide
cooling for internal components. (See Figure 6 on page 67.) When you install the
switch, ensure that there is adequate space on both sides of the switch for
ventilation. For more information on installing the Ethernet Switch 425, see
Installing the Ethernet Switch 425 (217150-B).

320985-A Rev 01

Chapter 1 About Ethernet Switches 325 and 425 79

AC power receptacle

The AC power receptacle accepts the AC power cord which is supplied with the
switch. For installation outside North America, make sure that you have the
proper power cord for your region. Any cord used must have a CEE-22 standard
V female connector on one end and must meet the IEC 320-030 specifications.

Tabl e 11 lists specifications for international power cords.

Table 11 International power cord specifications

Country/Plug description Specifications Typical plug

Continental Europe:

• CEE7 standard VII male plug

• Harmonized cord (HAR marking
on the outside of the cord jacket
to comply with the CENELEC
Harmonized Document HD-21)

U.S./Canada/Japan:

• NEMA5-15P male plug

• UL recognized (UL stamped
on cord jacket)

• CSA certified (CSA label
secured to the cord)

220 or 230 VAC
50 Hz
Single phase

228FA

100 or 120 VAC
50–60 Hz
Single phase

227FA

System Configuration Guide

80 Chapter 1 About Ethernet Switches 325 and 425

Table 11 International power cord specifications (continued)

Country/Plug description Specifications Typical plug

United Kingdom:

• BS1363 male plug with fuse

• Harmonized cord

Australia:
AS3112-1981 Male plug

240 VAC
50 Hz
Single phase

229FA

240 VAC
50 Hz
Single phase

230FA

Caution: Please read immediately.

Inspect this power cord and determine if it provides the proper plug and is
appropriately certified for use with your electrical system. Immediately discard this
cord if it is inappropriate for your country's electrical system and obtain the proper
cord as required by your national electrical codes or ordinances.

320985-A Rev 01

Refer to this product's technical documentation for detailed installation procedures to
be followed by qualified service personnel.

Chapter 1 About Ethernet Switches 325 and 425 81

Vorsicht: Bitte sofort lesen.

Sehen Sie nach, ob dieses Netzkabel über den richtigen Stecker verfügt und für die
Verwendung in Ihrem Stromversogungsnetz zertifiziert ist. Falls dieses Kabel nicht für
das Stromversorgungsnetz in Ihrem Land geeignet ist, darf es nicht verwendet werden.
Besorgen Sie sich ein Kabel, das die Vorschriften der Zulassungsbehörden in Ihrem
Land erfüllt.

Die technische Dokumentation dieses Produkts enthält ausführliche
Installationsanweisungen, die nur von qualifiziertem Kundendienstpersonal
ausgeführt werden dürfen.

Attention: Lisez ceci immédiatement.

Examinez ce cordon d'alimentation pour déterminer s'il dispose de la fiche appropriée
et s'il est bien agréé pour utilisation sur votre installation électrique.
Débarrassez-vous en immédiatement s'il ne convient pas à l'utilisation sur le secteur
électrique en usage dans votre pays et procurez-vous un cordon conforme à la
réglementation nationale en vigueur.

Reportez-vous à la documentation technique de ce produit pour obtenir des
instructions détaillées d'installation, destinées à un technicien qualifié.

Attenzione: Leggere attentamente.

Controllare questo cavo di alimentazione, verificarne il collegamento con la presa
appropriata nonché la certificazione per l'uso nell'impianto elettrico posseduto. Non
utilizzare assolutamente in caso tale cavo non sia adatto al sistema elettrico del paese
in cui viene utilizzato e richiederne un altro certificato dall'ente nazionale di fornitura
elettrica.

Per le procedure di installazione che devono essere seguite dal personale di servizio,
consultare questa documentazione tecnica del prodotto.

Advertencia: Sírvase leer inmediatamente.

Inspeccione este cable de alimentación eléctrica y determine si viene con el enchufe
apropiado y está debidamente certificado para el uso con su sistema eléctrico. Si no
cumple con los reglamentos del sistema eléctrico de su país, despójese de este cable de
alimentación inmediatamente y obtenga el cable requerido, según las ordenanzas y
códigos eléctricos nacionales.

Refiérase a la documentación técnica de este producto para recibir información
detallada sobre los procedimientos que el personal calificado de reparaciones deberá
seguir.

System Configuration Guide

82 Chapter 1 About Ethernet Switches 325 and 425

Caution:

Warning: Removal of the power cord is the only way to turn off power to this

device. The power cord must always be connected in a location that can be
accessed quickly and safely in case of an emergency.

Vors ic ht : Die Stromzufuhr zu diesem Gerät kann nur durch Ziehen des
Netzstromkabels unterbrochen werden. Die Netzsteckdose, an die das
Netzstromkabel angeschlossen ist, muß sich stets an einem Ort befinden, der
bei einem Notfall schnell und einfach zugänglich ist.

320985-A Rev 01

Avertissement: Le débranchement du cordon d'alimentation constitue le
seul moyen de mettre cet appareil hors tension. Le cordon d'alimentation doit
donc toujours être branché dans une prise accessible pour faciliter la mise hors
tension en cas d'urgence.

Advertencia: La única forma de desconectar la alimentación de este
dispositivo es desenchufar el cable de alimentación. El cable de alimentación
siempre debe estar conectado en una ubicación que permita acceder al cable de
forma rápida y segura en caso de emergencia.

Avvertenza: Estrarre il cavo di alimentazione è l'unico sistema per spegnere
il dispositivo. Il cavo di alimentazione deve essere sempre collegato in una
posizione che permetta l'accesso facile e sicuro in caso di emergenza.

Chapter 1 About Ethernet Switches 325 and 425 83

Network configuration examples

This section provides network configuration examples using the Ethernet Switch
325/425. In these examples, the packet classification feature can be used to
prioritize the traffic of the network to ensure uninterrupted traffic of critical
applications. The examples are:

• “Desktop switch application”

• “Segment switch application” on page 85

• “High-density switched workgroup application” on page 86

Desktop switch application

Figure 10 and Figure 11 show the Ethernet Switch 325/425 used as a desktop

switch. The desktop workstations are connected directly to switch ports.

Figure 10 Ethernet Switch 325 used as a desktop switch

Before

UI

SpdAct SpdAct

UI Cmd

Pwr

Spd: 10/100/1000T Act: Activity

10BASE-T hub

UI Set

After

Ethernet 325-24G

LED Status - Off:Half Duplex Green:Full Duplex

LED Status - Amber:10Mps Green:100 Mps Blink:Activity

2526

1 2 3 4 5 6 7 8 9 10 11 12

13 14 15 16 17 18 19 20 21 22 23 24

Ethernet Switch 325-24G

Console

To

Up to 24 users

Network

Center

Key

10 Mb/s
100 Mb/s
1000 Mb/s

- 23 users share 10 Mb/s (10/24 Mb/s per user)

- Network center bottleneck (10 Mb/s bandwidth)

To

Up to 24 users

Network

Center

- 24 users; each with dedicated 100 Mb/s bandwidth

- Network center with dedicated 1 Gb/s full-duplex
bandwith

11112EA

System Configuration Guide

84 Chapter 1 About Ethernet Switches 325 and 425

Figure 11 Ethernet Switch 425 used as a desktop switch

Before After

10BASE-T hub

To

Network

Center

Key

- 23 users share 10 Mb/s (10/24 Mb/s per user)

- Network center bottleneck (10 Mb/s bandwidth)

Up to 24 users

10 Mb/s
100 Mb/s
1000 Mb/s

Ethernet Switch 425-24T

To

Network

Center

- 24 users; each with dedicated 100 Mb/s bandwidth

- Network center with dedicated 1 Gb/s full-duplex
bandwith

Up to 24 users

11112EA

320985-A Rev 01

Chapter 1 About Ethernet Switches 325 and 425 85

Segment switch application

Figure 12 and Figure 13 show the Ethernet Switch 325/425 used as a segment

switch to alleviate user contention for bandwidth and eliminate server and
network bottlenecks. Before segmentation, 88 users had a total bandwidth of only
10 Mb/s available. After segmentation, 92 users have 40 Mb/s, four times the
previous bandwidth, while adding 22 dedicated 100 Mb/s connections. This
configuration can be extended to add more segments without degrading
performance.

Figure 12 Ethernet Switch 325 used as a segment switch

Ethernet Switch 325-24G

Server

Console

Up to 20

users

Up to 23

users

Server

Before

10BASE-T hubs

After

Ethernet Switch
325-24G

UI Set

LED Status - Off:Half Duplex Green:Full Duplex

LED Status - Amber:10Mps Green:100 Mps Blink:Activity

2526

1 2 3 4 5 6 7 8 9 10 11 12

UI

SpdAct SpdAct

UI Cmd

Pwr

Spd: 10/100/1000T Act: Activity

13 14 15 16 17 18 19 20 21 22 23 24

To

Network

Center

Up to

88 users

Key

10 Mb/s
100 Mb/s
1000 Mb/s

- 88 users share 10 Mb/s (10/88 Mb/s per user)

- Server bottleneck (10 Mb/s bandwidth)

- Network center bottleneck (10 Mb/s bandwidth)

-Total of 88 users

Up to 23

users

Up to 23

To

users

Network

Center

- Three sets of 23 users; each set shares 10 Mb/s
(10/23 Mb/s per user)

- Addition of 21 users; each with dedicated
100 Mb/s bandwidth

- Server with dedicated 100 Mb/s bandwidth

- Network center with dedicated 1 Gb/s full-duplex bandwidth

- Total of 89 users

11113EA

System Configuration Guide

86 Chapter 1 About Ethernet Switches 325 and 425

Figure 13 Ethernet Switch 425 used as a segment switch

Before

10BASE-T hubs

Server

After

Ethernet Switch
425-24T

Server

Up to 20

users

Up to 23

users

Up to 23

users

To

Network

Center

Key

10 Mb/s
100 Mb/s
1000 Mb/s

- 88 users share 10 Mb/s (10/88 Mb/s per user)

- Server bottleneck (10 Mb/s bandwidth)

- Network center bottleneck (10 Mb/s bandwidth)

-Total of 88 users

Up to

88 users

To

Network

Center

- Three sets of 23 users; each set shares 10 Mb/s
(10/23 Mb/s per user)

- Addition of 21 users; each with dedicated
100 Mb/s bandwidth

- Server with dedicated 100 Mb/s bandwidth

- Network center with dedicated 1 Gb/s full-duplex bandwidth

- Total of 89 users

High-density switched workgroup application

Figure 14 shows an example of using an Ethernet Switch 425 with a high-speed

(gigabit) connection to a Nortel Ethernet Routing Switch 8600. Ethernet Switch
425 and Ethernet Switch 325 are also shown in this example of a high-density
switched workgroup.

Up to 23

users

11113EA

320985-A Rev 01

Chapter 1 About Ethernet Switches 325 and 425 87

As shown in Figure 14, the Ethernet Routing Switch 8600 switch is used as a
backbone switch, connecting to the Ethernet Switch 425 with an optional
(1000BASE-SX) GBIC for maximum bandwidth. The Ethernet Switch 425-24T
and the Ethernet Switch 325-24T have 100 Mb/s connections to the Ethernet
Switch 425-24T, a 100BASE-TX hub, and a 100 Mb/s server as well as 10 Mb/s
connections to DTE (data terminal equipment).

Figure 14 Configuring power workgroups and a shared media hub

Ethernet Switch

425-24T

Ethernet Routing Switch 8600

Stack operation

You can connect up to eight units of the Ethernet Switch 425-24T and Ethernet
Switch 425-48T to provide uninterrupted connectivity for up to 392 ports. The
entire stack can be managed as a single unit with a single IP and MAC address

You can select the base unit of the stack by using the momentary switch
mechanism. It is recommended that you use only one base unit in the stack and the
selection of the same should be done before powering the stack.

LED Status - Off:Half Duplex Green:Full Duplex

LED Status - Amber:10Mps Green:100 Mps Blink:Activity

F

CPUPS1 PS2FAN

Ethernt Switch 325-24G

Server

Key

2526

1 2 3 4 5 6 7 8 9 10 11 12

LED Status - Amber:10Mps Green:100 Mps Blink:Activity

2526

1 2 3 4 5 6 7 8 9 10 11 12

LED Status - Off:Half Duplex Green:Full Duplex

13 14 15 16 17 18 19 20 21 22 23 24

13 14 15 16 17 18 19 20 21 22 23 24

UI

SpdAct SpdAct

UI Cmd

Pwr

Spd: 10/100/1000TAct: Activity

UI Set

UI

SpdAct SpdAct

UI Cmd

Pwr

Spd: 10/100/1000TAct: Activity

UI Set

Ethernet Switch 325-24G

Ethernet Switch 325-24G

Console

Console

10 Mb/s
100 Mb/s
1000 Mb/s

(Gigabit)

System Configuration Guide

88 Chapter 1 About Ethernet Switches 325 and 425

The Ethernet Switch 425 does not support stack redundancy. In case of cable or
unit failure, all units of the stack begin to work as standalone switches. However,
the stack is automatically formed again once the missing cable is re-inserted or the
faulty unit is replaced.

Ethernet units in a stack are interconnected through FireWire cables. Ensure that
the downlink connection on a unit is always connected to the Up link of the next
unit in the ring.

Base unit

The base unit is the unique unit in the stack that you can configure with the User
Interface button on the front panel. A single Ethernet Switch 425-24T or Ethernet
Switch 425-48T in the stack must be configured as the base unit. You can assign
any unit in the stack as the base unit.

The physical order of all other units in the stack is determined by the position of
the base unit within the stack. This is important for network management
applications that view the physical ordering of the units within the stack.

320985-A Rev 01

Some characteristics of the base unit are described in the following sections.

Note: Only Ethernet Switch 425-24T and Ethernet Switch 425-48T can
operate together in the stack mode in release 3.6 software.

Initial installation

During the initial installation of the stack, the software automatically determines
the physical order of all units in the stack according to the position of the base unit
within the stack. Thereafter, the individual units maintain their original unit
numbering, even if you change the position of one or more units in the stack.

Chapter 1 About Ethernet Switches 325 and 425 89

For example, when you initially power up the stack, the base unit becomes unit 1
and the unit that the base unit connects to becomes unit 2 (and the next unit is unit
3 and so on), until the maximum stack configuration (up to 8 units) is reached. If
you change the base unit to another unit in the stack, the new base unit keeps its
original unit number in the stack.

Note: Before you can add a new switch to an existing stack, you must
set the spanning tree mode on the switch to match the spanning tree
mode on the stack.

Stack MAC address

When the switch is participating in a stack configuration, a stack MAC address is
automatically assigned during the stack initialization. The base unit’s MAC
address, with a software offset, is used for the stack MAC address.

For example, if the base unit’s MAC address is 00-00-82-99-44-00, and the stack
software offset is

1F, then the stack MAC address becomes:

00-00-82-99-44-1F

If another unit in the stack is assigned as the base unit, the MAC address of the
new base unit (with offset) now applies to the stack configuration. The original
stack IP address still applies to the new base unit.

Removing a unit from the stack

If a unit is removed from the stack (therefore operating in standalone mode), the
following switch configuration settings revert back to the settings configured
before the unit became a member of the stack:

•IP address

• Console password

• Telnet password

• SNMP community strings

System Configuration Guide

90 Chapter 1 About Ethernet Switches 325 and 425

Stack configurations

As shown in Figure 16, the cable connectors provide the ability to stack up to
eight switches. Because stack parameters are associated with the base unit (see

“Base unit” on page 88), the physical stack order depends on the base unit’s

position and whether the stack is configured stack up or stack down.

Stack up configurations

In Figure 15, data flows from the base unit (unit 1) to the next switch, which is
assigned as unit 2, and continues until the last switch in the stack is assigned as
unit 8. The physical order of the switches is from top to bottom (unit 1 to unit 8).

Figure 15 Stack up configuration example

1

Down

Cascade

Down Up

Unit 1

320985-A Rev 01

Cascade

Down Up

Down Up

Down Up

Down Up

Down Up

Down Up

2

Down Up

Cascade

Cascade

Cascade

Cascade

Cascade

Cascade

Up

Unit 2

Unit 3

Unit 4

Unit 5

Unit 6

Unit 7

Unit 8

43

Chapter 1 About Ethernet Switches 325 and 425 91

Tabl e 12 describes the stack up configuration illustration references.

Table 12 Stack up configuration description

Item Description

1 Base unit

2 Last unit

3 Stacking cable 30 cm (order number AL 2018005)

4 Stacking cable 1 m (order number AL 2018006)

Stack down configurations

In Figure 16, data flows from the base unit (unit 1) to the next switch, which is
assigned as unit 2, and continues until the last switch in the stack is assigned as
unit 8. The physical order of the switches is from bottom to top (unit 1 to unit 8).

Figure 16 Stack down configuration example

Up

100-240 V-

1

2

50-60Hz 2A

100-240 V­50-60Hz 2A

100-240 V­50-60Hz 2A

100-240 V­50-60Hz 2A

100-240 V­50-60Hz 2A

100-240 V­50-60Hz 2A

100-240 V­50-60Hz 2A

100-240 V­50-60Hz 2A

3

Cascade

Down Up

Cascade

Down Up

Cascade

Down Up

Cascade

Down Up

Cascade

Down Up

Cascade

Down Up

Cascade

Down Up

Cascade

Down Up

Down

Unit 8

Unit 7

Unit 6

Unit 5

Unit 4

Unit 3

Unit 2

Unit 1

4

System Configuration Guide

92 Chapter 1 About Ethernet Switches 325 and 425

Tabl e 13 describes the stack down configuration illustration references.

Table 13 Stack down configuration description

Item Description

1 Last unit

2 Base unit

3 Stacking cable 30 cm (order number AL 2018005)

4 Stacking max-return cable 1 m (part number AL 2018006)

Certain Network Management Station (NMS) applications assume a stack up
configuration for the GUI which represents the stack (see Figure 15). For this
reason, Nortel recommends that you always configure the top unit in the stack as
the base unit.

In any stack configuration, the following applies:

• When you apply power to the stack, the base unit initializes and the entire
stack powers up as a single logical unit.

• You can attach an RS-232 communications cable to the console port of any
switch in the stack.

• You can downline upgrade the entire stack from any switch in the stack from
the console interface, a Telnet session, the Web-based management interface,
or any generic SNMP-based network management software.

• You can access and manage the stack using a Telnet connection, the
Web-based management interface, or any generic SNMP management tool
through any switch port that is part of the stack configuration.

• When you stack three or more switches, use the longer (1-meter) stacking
max-return cable to complete the link from the last unit in the stack to the base
unit.

320985-A Rev 01

Chapter 2
Using the console interface

This chapter describes how to configure and manage the Ethernet Switch 325/425
using the menu-driven Console Interface (CI).

This chapter covers the following topics:

• “Accessing the CI menus and screens”

• “Using the CI menus and screens” on page 94

• “Main menu” on page 96

Accessing the CI menus and screens

You can access the CI menus and screens locally through a console terminal
attached to your Ethernet Switch 325/425, remotely through a dial-up modem
connection, or in-band through a Telnet session. You can connect your console
cable into any unit in the Ethernet Switch 325/425-only stack for a unified stack
interface.

93

Note: If you have a properly configured BootP server in your network,

it detects the IP address; you will not need to configure the IP address.

For information about SNMP, see your network management documentation.

System Configuration Guide

94 Chapter 2 Using the console interface

Using the CI menus and screens

The CI menus and screens provide options that allow you to configure and
manage the Ethernet Switch 325/425. Help prompts at the bottom of each menu
and screen explain how to enter data in the highlighted field and how to navigate
the menus and screens.

The default settings for the Console port are:

• 9600 baud with eight data bits

• One stop bit

• No parity as the communications format

• Flow control set to disabled

Some options allow you to toggle among several possible values; other options
allow you to set or modify a parameter.

Navigating the CI menus and screens

320985-A Rev 01

Use the following methods to navigate the CI menus and screens.

To select a menu option:

1 Use the arrow keys to highlight the option name.

2 Press Enter.

Alternatively, you can press the key corresponding to the letter that is
underlined in the menu option. For example, to select the Switch
Configuration option in the main menu, press the w key. The text characters
are not case-sensitive.

3 To toggle between values in a form:

a Use the spacebar to highlight the value.

b Press Enter.

4 To clear a string field:

a Position the cursor in the string field.

b Press Ctrl+K.

5 To return to the previous menu, press Ctrl+R.

6 To go to the next screen in a series, press Ctrl+N.

7 To return to the main menu at any time, press Ctrl+C.

8 Press Backspace to delete entered text.

You can set the options that appear in brackets. For example [Enabled].

Screen fields and descriptions

This section describes the CI screens and their fields, beginning with the main
menu. Figure 17 shows a map of the CI screens.

Figure 17 Map of console interface screens

Chapter 2 Using the console interface 95

IP Configuration/Setup

System Characteristics

Console/Comm Port Configuration

Display Hardware Units

Spanning Tree Configuration

TELNET/SNMP/Web Access Configuration

Reset to Default Settings

1

Only appears when the switch is participating in a stack configuration.

2

Only appears when a gigabit is installed in one or more units in a stack configuration.

Main Menu

SNMP Configuration

Switch Configuration

Identify Unit Numbers

Renumber Units

Software Download

Configuration File

Display System Log

Reset

Shutdown Command

Logout

MAC Address Table
MAC Address Security Configuration
EAPoL Security Configuration
VLAN Configuration
Port Configuration
High Speed Flow Control Configuration
MultiLink Trunk Configuration

1

Port Mirroring Configuration

1

Rate Limiting Configuration
IGMP Configuration
Display Port Statistics
Clear All Port Statistics

Spanning Tree
Spanning Tree Port Configuration
Display Spanning Tree Switch Settings
Display Spanning Tree VLAN Membership

Configuration File Download/Upload
Ascii Configuration File Download

MAC Address Security Configuration
MAC Address Security Port Configuration
MAC Address Security Port Lists
MAC Address Security Table

VLAN Configuration
VLAN Port Configuration

2

VLAN Display by Port
Traffic Class Configuration

MultiLink Trunk Configuration
MultiLink Trunk Utilization

IGMP Configuration
Display Multicast Group Membership

BS45041F

System Configuration Guide

96 Chapter 2 Using the console interface

The CI screens for your specific switch model display the model name in the main
menu screen title and the correct number of ports and port types in the Port
Configuration screen.

Note: The field values shown in the CI screens in this section are
provided as examples only.

Main menu

This section describes the options available from the CI main menu (Figure 18).
The CI screens and submenus for these options are described in the following
sections.

Note: Some menu options shown in this main menu example and in
other screen examples in this chapter may not appear on your screen,
depending on the switch options installed. However, the full menu
options are shown in the screen examples and described in the following
sections.

320985-A Rev 01

Chapter 2 Using the console interface 97

Figure 18 Console interface main menu

Ethernet Switch 425-48T Main Menu

IP Configuration/Setup...
SNMP Configuration...
System Characteristics...
Switch Configuration...
Console/Comm Port Configuration...
Display Hardware Units...
Spanning Tree Configuration...
TELNET/SNMP/Web Access Configuration...
Software Download...
Configuration File...
Display System Log...
Reset...
Reset to Default Settings...
Shutdown Command...
Command Line Interface...
Logout...

Use arrow keys to highlight option, press <Return> or <Enter> to select

Tabl e 14 describes the CI main menu options.

Table 14 Console interface main menu options

Option Description

IP Configuration/
Setup...

SNMP Configuration... Displays the SNMP Configuration screen (see “SNMP Configuration screen”

Displays the IP Configuration/Setup screen (see “IP Configuration/Setup

screen” on page 214). This screen allows you to set or modify IP configuration

parameters.

on page 219). This screen allows you to set or modify the SNMP read-only

community and read-write community strings, enable or disable the
authentication trap and the link Up/down trap, set the IP address of trap
receivers, and set the trap community strings.

System Configuration Guide

98 Chapter 2 Using the console interface

Table 14 Console interface main menu options (continued)

Option Description

System
Characteristics...

Switch Configuration... Displays the Switch Configuration Menu screen (see “Switch Configuration

Console/Comm Port
Configuration...

Display Hardware Units Displays the Display Hardware Unit Information screen (see ““Hardware Unit

Spanning Tree
Configuration...

TELNET/SNMP/Web
Access Configuration...
Configuration...

Software Download... Displays the Software Download screen (see “Software Download screen” on

Configuration File Displays the Configuration File Download/Upload screen (see “Configuration

Displays the System Characteristics screen (see “System Characteristics

screen” on page 100). This screen allows you to view switch characteristics,

including number of resets, power status, hardware and firmware version, and
MAC address. This screen also contains three user-configurable fields:
sysContact, sysName, and sysLocation. When the switch is part of a stack
configuration, this screen also displays the base unit identification, the number of
units configured in the stack, and the local unit stack number.

Menu screen” on page 103). This menu provides the following configuration

options: MAC Address Table, MAC Address-Based Security, EAPOL Security
Configuration, VLAN Configuration, Port Configuration, High Speed Flow
Control, MultiLink Trunk Configuration, Port Mirroring Configuration, Rate
Limiting Configuration, IGMP Configuration, Display Port Statistics, Clear All
Port Statistics, and Stack Operational Mode.

Displays the Console/Comm Port Configuration screen (see “Console/Comm

Port Configuration screen” on page 223). This screen allows you to configure

and modify the Console/Comm port parameters, including the console port
speed and password settings for the switch and stack operation.

Information screen” on page 233). This screen displays the switch model and

the software version running. The screen also displays the SPF GBIC.

Displays the Spanning Tree Configuration Menu (see

Configuring VLANs,
Spanning Tree, and MultiLink Trunking for Nortel Ethernet Switches
325 and 425, Software Release 3.6

following options: Spanning Tree Group Configuration, Spanning Tree Port
Configuration, Display Spanning Tree Switch Settings, Display Spanning Tree
VLAN Membership

Displays the TELNET/SNMP/Web Access Configuration screen (see

“TELNET/SNMP/Web Access Configuration screen” on page 234). This screen

allows you to set your switch to enable a user at a remote console terminal to
communicate with the Ethernet Switch 325/425 as if the console terminal were
directly connected to it. You can have up to four active Telnet sessions running
at one time in either a standalone switch or a stack configuration.

page 237). This screen allows you to revise the Ethernet Switch 325/425

software image and diagnostics images that are located in nonvolatile flash
memory.

File Download/Upload screen” on page 240). This screen allows you to store

your switch/stack configuration parameters on a TFTP server. You can retrieve
the configuration parameters for automatically configuring a replacement switch
or stack with the same configuration when required. This screen also allows you
to download the ASCII configuration file from a TFTP server to the switch or
stack.

(320986-A)). This menu provides the

320985-A Rev 01

Chapter 2 Using the console interface 99

Table 14 Console interface main menu options (continued)

Option Description

Display System Log Displays the System Log screen (see System Monitoring Guide for Nortel

Ethernet Switches 325 and 425, Software Release 3.6

Reset Resets the switch with the current configuration settings. This option is followed

Reset to Default
Settings

by a screen prompt that precedes the action. Enter Yes to reset the switch; enter
No to abort the option:

• If the switch is participating in a stack configuration, you can reset the entire

stack.

• When you select this option, the switch resets, runs a self-test, then displays

the Nortel logo screen. Press
main menu.

Resets the switch to the factory default configuration settings. This option is
followed by a screen prompt that precedes the action. Enter Yes to reset the
switch to the factory default configuration settings; enter No to abort the option:

• If the switch is participating in a stack configuration, you can reset the entire

stack.

• When you select this option, the switch resets, runs a self-test, then displays

the Nortel logo screen. Press Ctrl+Y to access the Ethernet Switch 325/425
main menu.

Caution: If you choose the Reset to Default Settings option, all configured
settings are replaced with factory default settings when you press [Enter]

Ctrl+Y to access the Ethernet Switch 325/425

(320989-A)).

Achtung: Bei Auswahl des Befehls zur Rücksetzung auf die
Standardeinstellungen werden alle von Ihnen konfigurierten Einstellungen
durch die werkseitigen Standardeinstellungen ersetzt, wenn Sie die
Eingabetaste drücken.

Attention: Si vous restaurez la configuration usine, votre configuration
courante sera remplacée par la configuration usine dès que vous appuierez sur
[Entrée].

Precaución: Si selecciona el comando Restaurar valores predeterminados,
todos los valores de configuración se sustituirán por las valores
predeterminados en fábrica al pulsar [Intro].

Attenzione: Nel caso in cui si selezioni la reimpostazione dei valori di
default, tutte le impostazioni configurate verranno sostituite dai default di
fabbrica premendo il tasto [Invio].

System Configuration Guide

100 Chapter 2 Using the console interface

Table 14 Console interface main menu options (continued)

Option Description

Shutdown Allows the switch to be safely shut down and powered off.

This option is followed by two screen prompts that precede the action. At the first
prompt, enter the time in minutes to wait before the switch is shut down. At the
second prompt, enter Yes to confirm the action; or, enter No to abort the option:

Once the shutdown command is initiated, the switch saves the current
configuration and can then be safely powered off. If the switch is not powered off
within the user-specified time period, it is reset.

Once the shutdown command is initiated, all existing and subsequent Console
Interface sessions display the following message:

Switch will reset (shutdown) in <xxxx> seconds.

While existing CLI sessions do not receive a warning message, all subsequent
CLI sessions display the following message:

The shutdown process is in progress. It is safe to
poweroff the stack. Configuration changes will not be
saved. Shutdown has blocked the flash. Autoreset in
<xxxx> seconds.

Neither Web-based management nor Device Manager receive any shutdown
warning messages.

Command Line
Interface

Logout Allows a user in a Telnet session or a user working at a password-protected

Displays the prompt to execute the CLI commands.

console terminal to terminate the session.

System Characteristics screen

320985-A Rev 01

The System Characteristics screen (Figure 19) allows you to view system
characteristics and contains three user-configurable fields: sysContact, sysName,
and sysLocation.

To open the System Characteristics screen:

➨ Choose System Characteristics (or press s) from the main menu.