Cabletron Systems 9E312, 9E423 User Manual

Cabletron Systems

MMAC-Plus™ Remote Management for the

9E312™ Ethernet Switch Module and

9E423™ Series Ethernet SmartSwitch Module

Notice

Cabletron Systems reserves the right to make changes in speciﬁcations and other information contained in this document without prior notice. The reader should in all cases consult Cabletron Systems to determine whether any such changes have been made.

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iii

Chapter 1 Introduction

Using the 9E312 and 9E423 User’s Guide .................................................................1-2

Related Manuals............................................................................................................ 1-3

Software Conventions .................................................................................................. 1-4

Common 9E312 and 9E423 Window Fields....................................................... 1-4

Using Buttons and Menus .................................................................................... 1-5

Getting Help ..................................................................................................................1-6

Using On-line Help................................................................................................ 1-6

Getting Help from Cabletron Systems Technical Support............................... 1-6

9E312 and 9E423 Firmware.......................................................................................... 1-7

Chapter 2 The 9E312/9E423 Module View

Viewing Module Information......................................................................................2-2

Front Panel Information........................................................................................ 2-3

Menu Structure....................................................................................................... 2-4

The 9E312/9E423 Module Port Status Display .................................................2-7

The Chassis Manager Window............................................................................ 2-8

Viewing the Device Type ...................................................................................... 2-9

Managing the Module.................................................................................................. 2-9

Setting the Device Date and Time .......................................................................2-9

Enabling and Disabling Bridge Ports................................................................ 2-11

Using the Find Source Address Feature .................................................................. 2-11

I/F Summary Information......................................................................................... 2-12

Interface Description Fields................................................................................ 2-13

Interface Performance Statistics/Bar Graphs ..................................................2-14

Interface Detail Window..................................................................................... 2-15

Interface Detail Window Statistics............................................................. 2-16

Making Sense of Interface Statistics........................................................... 2-18

Testing and Disabling the Current Interface.................................................... 2-18

Using the Applications Pull-down menu......................................................... 2-19

Contents

Chapter 3 9E312/9E423 Module Bridging

Bridging Basics ..............................................................................................................3-1

More on Transparent Bridging............................................................................. 3-2

An Overview of Remote Bridge Management..........................................................3-2

The Bridge Status Window.......................................................................................... 3-3

Bridge Status Window Information Fields.........................................................3-4

Accessing Other Management Options from the Bridge Status Window.....3-5

Enabling and Disabling Bridging ...............................................................................3-6

Bridge Statistics .............................................................................................................3-6

Performance Graphs..............................................................................................3-7

Bridge Performance Graph Window Fields................................................3-8

Conﬁguring the Bridge Performance Graphs............................................. 3-9

The Interface Statistics Window...........................................................................3-9

Interface Statistics Window Fields .............................................................3-10

Bridge Spanning Tree.................................................................................................. 3-11

Conﬁguring the Bridge Spanning Tree Window.............................................3-13

Bridge Level Fields ..............................................................................................3-13

Bridge Port Level Fields...................................................................................... 3-15

Changing Bridge Spanning Tree Parameters ...................................................3-17

Changing Bridge Priority ............................................................................3-17

Changing the Spanning Tree Algorithm Protocol Type ..........................3-17

Changing Hello Time................................................................................... 3-18

Changing Max Age Time .............................................................................3-18

Changing Forwarding Delay Time............................................................. 3-18

Changing Port Priority.................................................................................3-19

Changing Path Cost......................................................................................3-19

Filtering Database .......................................................................................................3-19

Filtering Database Window Fields ....................................................................3-22

Conﬁguring the Filtering Database................................................................... 3-23

Altering the Ageing Time ............................................................................3-24

Changing the Type of Entry ........................................................................3-24

Changing the Receive Port ..........................................................................3-24

Changing the Port Filtering Action............................................................3-25

Adding or Deleting Individual Entries......................................................3-25

Clearing All Permanent, Static, or Dynamic Entries................................3-26

Using Port Source Addressing ...........................................................................3-26

Setting the Ageing Time............................................................................... 3-27

Duplex Modes..............................................................................................................3-28

The Duplex Modes Window...............................................................................3-28

Duplex Modes Window Fields ...................................................................3-29

Setting the Duplex Mode............................................................................. 3-30

Index

Chapter 1

Introduction

How to use this guide; related guides; software conventions; getting help; 9E312 and 9E423 ﬁrmware versions

Welcome to the Cabletron Systems MMAC-Plus Remote Management for the

9E312™ Ethernet Switch Module and 9E423 ™ Series Ethernet SmartSwitch

Modules User’s Guide . We have designed this guide to serve as a simple reference

for using SPECTRUM Element Manager for the 9E312-12 Ethernet Switch

Module, and the 9E423-24 and 9E423-36 Ethernet SmartSwitch Modules for the

MMAC-Plus. These modules provide Ethernet connectivity to the Internal

Network Bus (INB) backplane via high-speed packet switching.

In basic terms, a packet-switching device provides forwarding logic for packets

incoming or outgoing on two or more network interfaces on the device. The

forwarding logic on Cabletron’s MMAC-Plus architecture devices is based on

three separate modes:

• Traditional 802.1d bridging based on physical layer address information.

• Traditional IP Routing based on logical layer address information.

• SecureFast™ Switching, which is high-performance switching based on source and destination MAC (physical) layer addresses. Packets received from a source address on a module’s protocol-dependent front panel network are converted into ﬁxed-length, protocol-independent packets for transmission across a backplane, and then are re-converted at the destination device into the appropriate physical frame format for reception by the destination address. Future ﬁrmware and management software enhancements will allow an administratively deﬁned connection-policy between end stations connected to SecureFast Switching devices.

The INB is the Cabletron-proprietary network bus for protocol-independent, high-speed packet or cell switching between connectivity modules that support front-panel Ethernet, FDDI, Token Ring, or ATM networks. The connectivity modules incorporate Cabletron’s SecureFast Switch (SFS) technology to provide high-performance packet switching based on source and destination MAC addresses, rather than on internet protocol (IP) addresses. By basing packet

1-1

Introduction

switching on physical layer information, the INB allows your network infrastructure to be protocol independent. The INB backplane consists of two channels (INB-1 and INB-2), each featuring a 64-byte wide data path capable of a sustained data transfer rate of 2 Gigabytes/second (4 Gigabytes/second for the combined channels). Currently, the connectivity modules will connect to one or the other channel.

The 9E312-12 Ethernet Switch Module is Cabletron’s ﬁrst generation Ethernet INB module, and it is currently being ﬁeld-upgraded to the 9E423. The device should be considered a prototype device for the INB, and management support for it should also be considered preliminary. The 9E312 supports thirteen network interfaces; one interface (Interface 1) to direct trafﬁc over onto INB-1 of the MMAC-Plus Internal Network Bus (INB); and twelve RJ-45 10Base-T connectorsß.

The 9E423-24 Ethernet SmartSwitch™ Module is the second generation Ethernet INB module. It incorporates fast ASIC (application-speciﬁc integrated circuit) technology that boosts the forwarding rate of the module up to 750,000 frames per second. The 9E423-24 supports twenty-ﬁve network interfaces: one interface (Interface 1) to the INB-2 backplane, and two front panel RJ71 Telco connectors, each supplying 12 network interfaces via UTP or STP connectors. The 9E423 also incorporates an ASIC specially designed for embedded network trend and analysis tools.

The 9E423-36 Ethernet SmartSwitch module is similar to the 9E423-24, except that it supports thirty-seven network interfaces: one interface to INB-2, and three front panel RJ71 Telco connectors, each supplying 12 network interfaces via UTP or STP connectors.

Management is not available for either the INB 1 or INB 2 backplane, as data transmission across the INB is subject to hardware defaults.

The SecureFast Virtual Networking (SFVN) feature of the 9E423-24 and 9E423-36 (which allows switching conﬁguration on a per-user level) is also not supported in ﬁrmware at the time this document was published. SFVN ﬁrmware is anticipated to be customer-released in late-1996, and remote management will follow shortly thereafter.

Using the 9E312 and 9E423 User’s Guide

Each chapter in this guide describes one major functionality or a collection of several smaller functionalities of the 9E312 or 9E423 Modules. This guide contains information about software functions which are accessed directly from the module’s Module View (either started from within MMAC-Plus Remote Management, or from a stand-alone icon representing the module).

1-2 Using the 9E312 and 9E423 User’s Guide

Introduction

For information about management functions which are accessed via the SPECTRUM Element Manager platform, consult the Installing and Using SPECTRUM Element Manager and SPECTRUM Element Manager Utilities User’s Guides; for more information about monitoring and controlling a conﬁgured MMAC-Plus chassis, refer to the Using MMAC-Plus Remote Management Guide.

Because the management windows documented in this manual are similar for all three devices — except that the 9E423 modules support more interfaces, sample windows will be taken from 9E423-24 Module management (unless there is an exception in appearance for the 9E312 Module). Note, too, that the 9E423-24 and 9E423-36 Ethernet SmartSwitch Modules will be referred to collectively as the 9E423 Modules.

Chapter 1, Introduction, provides a list of related documentation, describes certain software conventions, and shows you how to contact Cabletron Systems Technical Support.

Chapter 2, The 9E312 and 9E423 Module View, describes the visual display of the 9E312 and 9E423 Modules and explains how to use the mouse within the Module View; the operation of several chassis-level management functions — such as changing the chassis display, enabling and disabling ports, and setting device date and time — is also described here, as are the I/F Summary windows, which provide information from the MIB-II Interface Group.

Chapter 3, 9E312 and 9E423 Bridging, provides a comprehensive look at all management options associated with the bridge mode of the 9E312 and 9E423 switches, including Bridge Performance Graphs, Spanning Tree, the Filtering Database, and Duplex Mode operation. The bridge mode is currently implemented in the forwarding/ﬁltering logic between the module’s front panel networks and the interface to the INB backplane. When the modules support SecureFast networking, they will operate either in traditional bridge mode or SecureFast mode; the two modes cannot operate simultaneously.

We assume that you have a general working knowledge of Ethernet IEEE 802.3 type data communications networks and their physical layer components, and that you are familiar with general bridging concepts.

Related Manuals

The MMAC-Plus Remote Management for the 9E312 Switch Module and 9E423 Series SmartSwitch Modules User’s Guide is only part of a complete document

set designed to provide comprehensive information about the features available to you through SPECTRUM Element Manager. Other guides which include important information related to managing the 9E312 or 9E423 Modules include:

Cabletron Systems’ Using MMAC-Plus Remote Management Guide

Cabletron Systems’ Installing and Using SPECTRUM Element Manager Guide

Cabletron Systems’ SPECTRUM Element Manager Utilities User’s Guide

Related Manuals 1-3

Introduction

Cabletron Systems’ Network Troubleshooting Guide

Microsoft Corporation’s Microsoft Windows User’s Guide

For more information about the capabilities of the 9E312 or 9E423 Modules, consult the appropriate hardware documentation.

Software Conventions

SPECTRUM Element Manager’s device user interface contains a number of elements which are common to most windows and which operate the same regardless of which window they appear in. A brief description of some of the most common elements appears below; note that the information provided here is not repeated in the descriptions of speciﬁc windows and/or functions.

Common 9E312 and 9E423 Window Fields

Similar descriptive information is displayed in boxes at the top of most devicespeciﬁc windows in SPECTRUM Element Manager, as illustrated in Figure 1-1.

IP Address

Device Name

Location

MAC Address

Figure 1-1. Sample Window Showing Informational Text Boxes

1-4 Software Conventions

Introduction

Device Name

Displays the user-deﬁned name of the device. The device name can be changed via the System Group window; see the Generic SNMP Management Module Guide for Windows for details.

IP Address

The Internet Protocol address assigned to the 9E312 or 9E423 Module; this ﬁeld will display the IP address you have used to create the 9E312 or 9E423 Module in the MMAC-Plus Chassis Setup window or to create its icon via SPECTRUM Element Manager. IP addresses are assigned via Local Management.

Location

Displays the user-deﬁned location of the device. The location is entered through the System Group window; see the Generic SNMP Guide for details.

MAC Address

Displays the manufacturer-set MAC address of the interface through which SPECTRUM Element Manager is communicating with the 9E312 or 9E423 Module. MAC addresses are factory-set and cannot be altered.

Up Time

Displays the amount of time, in an X days hh:mm:ss format, that the 9E312 or 9E423 has been running since the last start-up.

Informational ﬁelds describing the ports being modeled are also displayed in most windows:

Port Number

Displays the number of the monitored port.

Using Buttons and Menus

This button, that appears at the bottom of most windows, lets you exit a window and terminate any unsaved changes you have made (if applicable).

Use these three buttons to save changes in a window and set them at the managed device (if applicable). You may also have to use the Cancel button to close a window after you have made changes and set them.

This button brings up a Help text box with information speciﬁc to the current window. For more information concerning Help buttons, see Getting Help, later in this chapter.

Software Conventions 1-5

Introduction

Some buttons, like the two above, call up a menu listing the windows, screens, or commands available for that topic.

Any menu topic followed by ... (three dots) — for example Statistics... — calls up a window or screen associated with that topic.

Getting Help

This section describes different methods of getting help for questions or concerns you may have while using SPECTRUM Element Manager.

Using On-line Help

You can use the 9E312 or 9E423 Module window buttons to obtain information speciﬁc to the device. When you click on a Help button, a window will appear which contains context-sensitive on-screen documentation that will assist you in the use of the windows and their associated command and menu options. Note that if a Help button is grayed out, on-line help has not yet been implemented for the associated window.

From the Help menu accessed from the Module View window menu bar, you can access on-line Help speciﬁc to the Module View, as well as bring up the Chassis Manager window for reference. Refer to Chapter 2 for information on the Module View and Chassis Manager windows.

All of the SPECTRUM Element Manager help windows use the standard Microsoft

NOTE

Windows help facility; if you are unfamiliar with this feature of Windows, you can select Help —>How to Use Help from the Program Manager window, or consult your Microsoft Windows User’s Guide.

Getting Help from Cabletron Systems Technical Support

If you need support related to SPECTRUM Element Manager, or if you have any questions, comments, or suggestions related to this manual or any of our products, please feel free to contact Cabletron Systems’ Technical Support via one of the following methods:

1-6 Getting Help

Introduction

By phone: Monday through Friday between 8 AM and 8 PM

Eastern Standard Time at (603) 332-9400

By mail: Cabletron Systems, Inc.

PO Box 5005 Rochester, NH 03866-5005

By CompuServe®: GO CTRON from any ! prompt

By Internet mail: support@ctron.com

FTP ftp.ctron.com (134.141.197.25)

By BBS: (603) 335-3358

Modem Setting 8N1: 8 data bits, 1 stop bit, No parity

For additional information about Cabletron Systems products, visit our World Wide Web site: http://www.cabletron.com/

9E312 and 9E423 Firmware

SPECTRUM Element Manager has been tested against customer release ﬁrmware versions up to 1.00.14 for both the 9E312 MMAC-Plus Ethernet Switch Module and the 9E423-24 MMAC-Plus Ethernet SmartSwitch Module, and up to the internal ﬁrmware version 1.03.01 for the 9E423-36 MMAC-Plus Ethernet SmartSwitch Module; if you have an earlier version of ﬁrmware and experience problems, contact Cabletron Systems Technical Support for upgrade information.

As a general rule, ﬁrmware versions for new products are liable to change rapidly; contact

NOTE

Cabletron Systems Technical Support for upgrade information for the latest customer release of ﬁrmware.

9E312 and 9E423 Firmware 1-7

Introduction

1-8 9E312 and 9E423 Firmware

Chapter 2

The 9E312/9E423 Module View

Accessing the Module Vie w; information displayed in the Module Vie w window; the logical module view — menu structure and information, the Port Status display, the Chassis Manager window, the Device Type window; module management functions — setting device date and time, enabling and disabling ports; I/F Summary and Detail information

The 9E312/9E423 Module View window is the main screen that immediately informs you of the status of your 9E312/9E423 Module via a color-coded, graphical display of the module’s front panel that shows its individual ports in bridge mode. The Module View window serves as a single point of access to all other 9E312/9E423 Module windows and screens, which are discussed in the following chapter.

To open the 9E312/9E423 Module View window from the MMAC-Plus Chassis View:

1. Click once on the 9E312/9E423 Module board index shown in the MMAC-Plus chassis to display a menu.

2. Select Device View , and the Module View window will appear.

You can also access the Module View from a 9E312/9E423 Module icon. Either double-click on the appropriate device icon (illustrated in Figure 2-1, below) in a SPECTRUM Element Manager map or the Device List View, or use the following menu or tool bar options.

Figure 2-1. 9E312/9E423 INB Ethernet Switch Module Icons

2-1

The 9E312/9E423 Module View

1. Using the mouse, click on the 9E312/9E423 Module icon to be monitored (in a map or the Device List View). The icon will be highlighted.

2. Select Device —> Manage from the SPECTRUM Element Manager platform’s menu bar, or select from the tool bar; the Module View window will appear.

To model your 9E312/9E423 Module as an individual device from SPECTRUM Element

NOTE

Manager, you must make sure that you select Chassis Manager mode for launching the icon. Refer to your Installing and Using SPECTRUM Element Manager Guide for more information.

Viewing Module Information

The 9E312/9E423 Module View window (Figure 2-2) provides a graphic representation of the 9E312/9E423 Module, including a color-coded port display which immediately informs you of the current conﬁguration and status of the module and its ports.

Figure 2-2. 9E312/9E423 Module View Window

2-2 Viewing Module Information

By clicking in designated areas of the module’s graphical display (as detailed later in this chapter), or by using the menu bar at the top of the Module View window, you can access all of the menus that lead to more detailed device- and port- level windows.

When you move the mouse cursor over a management “hot spot” the cursor icon will

TIP

change into a “hand” to indicate that clicking in the current location will bring up a management option.

Note also that there are scroll arrows at the top and bottom of the port stack of the 9E423 Modules’ port display. Use these arrows to scroll through the port stack.

Front Panel Information

The areas above and to the right of the main module display area provide the following device information:

Preliminary versions of 9E312 module ﬁrmware may provide incomplete address

NOTE

information or ﬁrmware version information.

The 9E312/9E423 Module View

The Internet Protocol address assigned to the 9E312/9E423 Module appears in the title bar of the Module View window; this will display the IP address you have used to create the 9E312/9E423 Module in the MMAC-Plus Chassis Setup window or to create its icon via SPECTRUM Element Manager. IP addresses are assigned via Local Management.

Connection Status

This color-coded area indicates the current state of communication between SPECTRUM Element Manager and the 9E312/9E423 Module.

• Green indicates the 9E312/9E423 Module is responding to device polls (valid

connection).

• Blue indicates an unknown contact status — polling has not yet been

established with the 9E312/9E423 Module.

• Red indicates the 9E312/9E423 Module is not responding to device polls

(device is off line, or device polling has failed across the network for some other reason).

Up Time

The amount of time, in a day(s) hh:mm:ss format, that the 9E312/9E423 Module has been running since the last start-up.

Viewing Module Information 2-3

The 9E312/9E423 Module View

Port Status

If management for your device supports a variable port display, this ﬁeld will show the display currently in effect. If only a single port display is available — as is the case for the 9E312/9E423 Module — or if the default view is in effect, this ﬁeld will state Default.

MAC

The physical layer address assigned to the interface through which SPECTRUM Element Manager is communicating with the 9E312/9E423 Module.

Unless your management station is communicating through the front panel of the module, this will reﬂect the MAC address of the SMB 10 interface on the module (to the 10 Mb/sec System Management Bus). MAC addresses are hard-coded in the device, and are not conﬁgurable.

Boot Prom

The revision of BOOT PROM installed in the 9E312/9E423 Module.

Firmware

The revision of device ﬁrmware stored in the 9E312/9E423 Module’s FLASH PROMs.

Time

The current time, in a 24-hour hh:mm:ss format, set in the 9E312/9E423 Module’s internal clock.

Date

The current date, in an mm/dd/yy format, set in the 9E312/9E423 Module’s internal clock.

You can set the date and time by using the Edit Device Date and Edit Device Time

NOTE

options on the Device menu, see Setting the Device Date and Time, later in this chapter, for details.

Menu Structure

By clicking on various areas of the 9E312/9E423 Module View display, you can access menus with device- and port-level options, as well as utility applications which apply to the device. The following illustration displays the menu structure and indicates how to use the mouse to access the various menus:

2-4 Viewing Module Information

The 9E312/9E423 Module View

Figure 2-3. 9E312/9E423 Module View Menu Structure

The Device Menu

From the Device Menu at the Module View window menu bar, you can access the following selections:

• Device Type..., which displays a window containing a description of the

device being modeled.

• Edit Device Time... and Edit Device Date..., which allow you to set the

9E312/9E423 Module’s internal clock.

• System Group..., which allows you to manage the 9E312/9E423 Module via

SNMP MIB II. Refer to the Generic SNMP Management Module Guide for Window for further information.

• I/F Summary, which lets you view statistics (displayed both graphically and

numerically) for the trafﬁc processed by each network interface on your device, including a detailed Transmit and Receive trafﬁc breakdown for each interface. It also lets you access SNMP MIB-I and MIB-II windows for device management.

• Bridge Status..., which opens a window that provides an overview of bridging

information for each port, and allows you to access all other bridge-related options. Refer to Chapter 3, 9E312/9E423 Module Bridging, for more information.

Viewing Module Information 2-5

The 9E312/9E423 Module View

• Find Source Address..., which opens a window that allows you to search the

802.1d Filtering Database of the 9E312/9E423 to determine which switching interface a speciﬁed source MAC address is communicating through. If the MAC address is detected as communicating through the switch, the port display will ﬂash to indicate the switch interface of interest.

• Exit, which closes the 9E312/9E423 Module View window.

The Utilities Menu

The Utilities menu provides access to any utilities provided by SPECTRUM Element Manager for use with the 9E312/9E423 Module. These utilities include the MIBTree utility, which provides direct access to the 9E312/9E423 Module’s MIB information, and the RMON utility, a remote monitoring utility which is implemented by many of Cabletron Systems’ intelligent devices. These selections are also available from the Utilities menu at the top of SPECTRUM Element Manager’s main window.

Refer to your Utilities User’s Guide for information on these utilities.

The Help Menu

The Help Menu has three selections:

IBS Supported, which brings up the Chassis Manager window, described

• M later in this chapter.

• Chassis Manager Help, which brings up a help window with information speciﬁcally related to using the Chassis Manager and Module View windows.

• About Chassis Manager..., which brings up a version window for the Chassis Manager application in use.

The Bridge Menu

The Bridge menu is available by clicking on the Bridge label above the bridge port display. It offers access to the following bridge-speciﬁc options, which are discussed thoroughly in Chapter 3, 9E312/9E423 Module Bridging:

• Spanning Tree..., which lets you set the Spanning Tree Algorithm parameters for bridging on your 9E312/9E423 Module.

• Disable/Enable Bridge, which allows you to halt or start bridging across the device.

• Module Type..., which displays a window containing a description of the device being modeled.

• Performance Graph..., that displays a statistics window for trafﬁc across the entire bridge.

• Filtering Database..., which displays a window to conﬁgure the 9E312/9E423 Module bridge’s acquired and permanent ﬁltering databases to ﬁlter or forward trafﬁc across the 9E312/9E423 Module.

2-6 Viewing Module Information

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