HP 2910AL User Manual

2910al

ProCurve Switches

W.14.03

Management and Configuration Guide

www.procurve.com

HP ProCurve 2910al Switch

February 2009

W.14.03

Management and Configuration Guide

This document contains proprietary information, which is protected by copyright. No part of this document may be photocopied, reproduced, or translated into another language without the prior written consent of HewlettPackard.

Publication Number

5992-5437 February 2009

Applicable Products

HP ProCurve 2910al-24G Switch J9145A HP ProCurve 2910al-48G Switch J9147A HP ProCurve 2910al-24G-PoE+ Switch J9146A HP ProCurve 2910al-48G-PoE+ Switch J9148A

HP ProCurve 2-Port 10-GbE SFP+ al Module J9008A HP ProCurve 2-Port 10-GbE CX4 al Module J9149A HP ProCurve 10-GbE al Interconnect Kit J9165A

Trademark Credits

Microsoft, Windows, and Microsoft Windows NT are US registered trademarks of Microsoft Corporation. Java™ is a US trademark of Sun Microsystems, Inc.

Disclaimer

The information contained in this document is subject to change without notice.

HEWLETT-PACKARD COMPANY MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Hewlett-Packard shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this material.

The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.

Hewlett-Packard assumes no responsibility for the use or reliability of its software on equipment that is not furnished by Hewlett-Packard.

Warranty

See the Customer Support/Warranty booklet included with the product.

A copy of the specific warranty terms applicable to your Hewlett-Packard products and replacement parts can be obtained from your HP Sales and Service Office or authorized dealer.

Hewlett-Packard Company 8000 Foothills Boulevard, m/s 5551 Roseville, California 95747-5551 http://www.procurve.com

Product Documentation

About Your Switch Manual Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxi

Printed Publications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxi

Electronic Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxi

Software Feature Index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxii

1 Getting Started

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Configuration and Operation Examples . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Protocol Acronyms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Command Syntax and Displayed Information . . . . . . . . . . . . . . . . . . . . 1-2

Command Syntax Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Command Prompts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Screen Simulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

Sources for More Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

Getting Documentation From the Web . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

Online Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

Menu Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

Command Line Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7

Web Browser Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7

Need Only a Quick Start? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8

IP Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8

To Set Up and Install the Switch in Your Network . . . . . . . . . . . . . . . 1-8

Physical Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8

iii

2 Selecting a Management Interface

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

Understanding Management Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

Advantages of Using the Menu Interface . . . . . . . . . . . . . . . . . . . . . . . . 2-3

Advantages of Using the CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

General Benefits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

Information on Using the CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

Advantages of Using the Web Browser Interface . . . . . . . . . . . . . . . . 2-5

Advantages of Using ProCurve Manager

or ProCurve Manager Plus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6

Custom Login Banners for the Console and

Web Browser Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7

Banner Operation with Telnet, Serial, or SSHv2 Access . . . . . . . . 2-8

Banner Operation with Web Browser Access . . . . . . . . . . . . . . . . 2-8

Configuring and Displaying a Non-Default Banner . . . . . . . . . . . . 2-8

Example of Configuring and Displaying a Banner . . . . . . . . . . . . . 2-9

Operating Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11

3 Using the Menu Interface

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Starting and Ending a Menu Session . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

How To Start a Menu Interface Session . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

How To End a Menu Session and Exit from the Console: . . . . . . . . . . 3-5

Main Menu Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7

Screen Structure and Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9

Rebooting the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12

Menu Features List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14

Where To Go From Here . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15

4 Using the Command Line Interface (CLI)

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

Accessing the CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

Using the CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

Privilege Levels at Logon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

Privilege Level Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4

Operator Privileges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4

Manager Privileges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5

How To Move Between Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7

Listing Commands and Command Options . . . . . . . . . . . . . . . . . . . . . . 4-8

Listing Commands Available at Any Privilege Level . . . . . . . . . . . 4-8

Listing Command Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10

Displaying CLI “Help” . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-11

Configuration Commands and the Context Configuration Modes . . 4-13

CLI Control and Editing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-16

Executing a Prior Command—Redo . . . . . . . . . . . . . . . . . . . . . . . . . . 4-16

Repeating Execution of a Command . . . . . . . . . . . . . . . . . . . . . . . . . . 4-16

CLI Editing Shortcuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18

5 Using the ProCurve Web Browser Interface

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3

General Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4

Starting a Web Browser

Interface Session with the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5

Using a Standalone Web Browser in a PC or UNIX Workstation . . . . 5-5

Using ProCurve Manager (PCM) or

ProCurve Manager Plus (PCM+) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6

Tasks for Your First ProCurve Web Browser Interface Session . . 5-8

Viewing the “First Time Install” Window . . . . . . . . . . . . . . . . . . . . . . . . 5-8

Security: Creating Usernames and Passwords

in the Browser Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9

Entering a User Name and Password . . . . . . . . . . . . . . . . . . . . . . 5-11

Using a User Name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11

If You Lose the Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11

Online Help for the Web Browser Interface . . . . . . . . . . . . . . . . . . . . 5-12

Support/Mgmt URLs Feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13

Support URL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14

Help and the Management Server URL . . . . . . . . . . . . . . . . . . . . . . . . 5-14

Using the PCM Server for Switch Web Help . . . . . . . . . . . . . . . . . . . . 5-15

Status Reporting Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-17

The Overview Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-17

The Port Utilization and Status Displays . . . . . . . . . . . . . . . . . . . . . . . 5-18

Port Utilization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-18

Port Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-20

The Alert Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-21

Sorting the Alert Log Entries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-21

Alert Types and Detailed Views . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-22

Setting Fault Detection Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-24

Switch Memory and Configuration

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3

Configuration File Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3

Using the CLI To Implement Configuration Changes . . . . . . . . . . . . 6-6

Using the Menu and Web Browser Interfaces To Implement

Configuration Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9

Menu: Implementing Configuration Changes . . . . . . . . . . . . . . . . . . . 6-10

Using Save and Cancel in the Menu Interface . . . . . . . . . . . . . . . 6-10

Rebooting from the Menu Interface . . . . . . . . . . . . . . . . . . . . . . . 6-11

Web: Implementing Configuration Changes . . . . . . . . . . . . . . . . . . . . 6-12

Using Primary and Secondary Flash Image Options . . . . . . . . . . . . . 6-13

Displaying the Current Flash Image Data . . . . . . . . . . . . . . . . . . . . . . 6-13

Switch Software Downloads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-15

Local Switch Software Replacement and Removal . . . . . . . . . . . . . . 6-16

Rebooting the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-18

Operating Notes about Booting . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-18

Boot and Reload Command Comparison . . . . . . . . . . . . . . . . . . . 6-19

Setting the Default Flash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-20

Booting from the Default Flash (Primary or Secondary) . . . . . . 6-20

Booting from a Specified Flash . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-20

Using Reload . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-21

Multiple Configuration Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-23

General Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-24

Transitioning to Multiple Configuration Files . . . . . . . . . . . . . . . . . . . 6-25

Listing and Displaying Startup-Config Files . . . . . . . . . . . . . . . . . . . . . 6-27

Viewing the Startup-Config File Status with Multiple

Configuration Enabled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-27

Displaying the Content of A Specific Startup-Config File . . . . . . 6-28

Changing or Overriding the Reboot Configuration Policy . . . . . . . . . 6-28

Managing Startup-Config Files in the Switch . . . . . . . . . . . . . . . . . . . 6-30

Renaming an Existing Startup-Config File . . . . . . . . . . . . . . . . . . 6-31

Creating a New Startup-Config File . . . . . . . . . . . . . . . . . . . . . . . . 6-31

Erasing a Startup-Config File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-32

Using the Clear + Reset Button Combination To Reset the

Switch to Its Default Configuration . . . . . . . . . . . . . . . . . . . . . . . . 6-34

Transferring Startup-Config Files To or From a Remote Server . . . . 6-35

TFTP: Copying a Configuration File to a Remote Host . . . . . . . . 6-35

TFTP: Copying a Configuration File from a Remote Host . . . . . 6-36

Xmodem: Copying a Configuration File to a Serially

Connected Host . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-36

Xmodem: Copying a Configuration from a Serially

Connected Host . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-37

Operating Notes for Multiple Configuration Files . . . . . . . . . . . . 6-37

7 Interface Access and System Information

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2

Interface Access: Console/Serial Link, Web, and Inbound Telnet . 7-3

Menu: Modifying the Interface Access . . . . . . . . . . . . . . . . . . . . . . . . . . 7-4

CLI: Modifying the Interface Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-5

vii

Denying Interface Access by Terminating Remote Management

Sessions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9

System Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-11

Menu: Viewing and Configuring System Information . . . . . . . . . . . . . 7-12

CLI: Viewing and Configuring System Information . . . . . . . . . . . . . . 7-13

Web: Configuring System Parameters . . . . . . . . . . . . . . . . . . . . . . . . . 7-17

8 Configuring IP Addressing

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2

IP Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2

Just Want a Quick Start with IP Addressing? . . . . . . . . . . . . . . . . . . . . 8-3

IP Addressing with Multiple VLANs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4

Menu: Configuring IP Address, Gateway, and Time-To-Live (TTL) . . 8-5

CLI: Configuring IP Address, Gateway, and Time-To-Live (TTL) . . . . 8-6

Web: Configuring IP Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-10

How IP Addressing Affects Switch Operation . . . . . . . . . . . . . . . . . . . 8-11

DHCP/Bootp Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-12

Network Preparations for Configuring DHCP/Bootp . . . . . . . . . 8-14

viii

Loopback Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-15

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-15

Configuring a Loopback Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-16

Displaying Loopback Interface Configurations . . . . . . . . . . . . . . . . . . 8-17

IP Preserve: Retaining VLAN-1 IP

Addressing Across Configuration File Downloads . . . . . . . . . . . . . . 8-20

Operating Rules for IP Preserve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-20

Enabling IP Preserve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-20

9 Time Protocols

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2

TimeP Time Synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2

SNTP Time Synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2

Selecting a Time Synchronization Protocol or Turning Off Time

Protocol Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-3

General Steps for Running a Time Protocol on the Switch: . . . . . . . . 9-3

Disabling Time Synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-3

SNTP: Viewing, Selecting, and Configuring . . . . . . . . . . . . . . . . . . . . . 9-4

Menu: Viewing and Configuring SNTP . . . . . . . . . . . . . . . . . . . . . . . . . . 9-5

CLI: Viewing and Configuring SNTP . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-8

Viewing the Current SNTP Configuration . . . . . . . . . . . . . . . . . . . . 9-8

Configuring (Enabling or Disabling) the SNTP Mode . . . . . . . . . 9-10

TimeP: Viewing, Selecting, and Configuring . . . . . . . . . . . . . . . . . . . . 9-16

Menu: Viewing and Configuring TimeP . . . . . . . . . . . . . . . . . . . . . . . . 9-17

CLI: Viewing and Configuring TimeP . . . . . . . . . . . . . . . . . . . . . . . . . . 9-18

Viewing the Current TimeP Configuration . . . . . . . . . . . . . . . . . . 9-19

Configuring (Enabling or Disabling) the TimeP Mode . . . . . . . . 9-20

SNTP Unicast Time Polling with Multiple SNTP Servers . . . . . . . . 9-25

Displaying All SNTP Server Addresses Configured on the Switch . . 9-25

Adding and Deleting SNTP Server Addresses . . . . . . . . . . . . . . . . . . . 9-26

Menu: Operation with Multiple SNTP Server Addresses

Configured . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-26

SNTP Messages in the Event Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-26

10 Port Status and Configuration

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3

Viewing Port Status and Configuring Port Parameters . . . . . . . . . . 10-3

Menu: Port Status and Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . 10-4

Port Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-4

Status of Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-5

Flow Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-5

Broadcast Limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-5

Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-6

Configuring Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-7

CLI: Viewing Port Status and Configuring Port Parameters . . . . . . . 10-8

Viewing Port Status and Configuration . . . . . . . . . . . . . . . . . . . . . 10-9

Viewing Port Utilization Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-11

Viewing Transceiver Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-12

Enabling or Disabling Ports and Configuring Port Mode . . . . . . . . . 10-13

Enabling or Disabling Flow Control . . . . . . . . . . . . . . . . . . . . . . . . . . 10-15

Configuring a Broadcast Limit on the Switch . . . . . . . . . . . . . . . . . . 10-17

Configuring ProCurve Auto-MDIX . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-18

Web: Viewing Port Status and Configuring Port Parameters . . . . . 10-21

Using Friendly (Optional) Port Names . . . . . . . . . . . . . . . . . . . . . . . 10-22

Configuring and Operating Rules for Friendly Port Names . . . . . . . 10-22

Configuring Friendly Port Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-23

Displaying Friendly Port Names with Other Port Data . . . . . . . . . . 10-24

Configuring Transceivers and Modules That Haven’t

Been Inserted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-27

Transceivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-27

Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-27

Uni-Directional Link Detection (UDLD) . . . . . . . . . . . . . . . . . . . . . . 10-29

Configuring UDLD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-30

Enabling UDLD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-31

Changing the Keepalive Interval . . . . . . . . . . . . . . . . . . . . . . . . . 10-32

Changing the Keepalive Retries . . . . . . . . . . . . . . . . . . . . . . . . . . 10-32

Configuring UDLD for Tagged Ports . . . . . . . . . . . . . . . . . . . . . . 10-32

Viewing UDLD Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-33

Configuration Warnings and Event Log Messages . . . . . . . . . . . . . . 10-36

Power Over Ethernet (PoE+) Operation

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1

Introduction to PoE+ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-3

Related Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-3

PoE Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-4

PoE Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-5

Configuration Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-5

PD Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-6

Power Priority Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-7

Configuring PoE Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-7

Disabling or Re-Enabling PoE Port Operation . . . . . . . . . . . . . . . . . . 11-8

Configuring the PoE Port Priority Level . . . . . . . . . . . . . . . . . . . . . . . 11-8

Enabling Support for Pre-Standard Devices . . . . . . . . . . . . . . . . . . . 11-10

Controlling PoE Allocation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-10

Manually Configuring PoE Power Levels . . . . . . . . . . . . . . . . . . . . . . 11-11

Changing the Threshold for Generating a Power Notice . . . . . . . . . 11-13

PoE with LLDP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-14

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-14

PoE Allocation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-14

Enabling Advertisement of Poe TLVs . . . . . . . . . . . . . . . . . . . . . . . . . 11-15

Displaying PoE When Using LLDP Information . . . . . . . . . . . . . . . . 11-16

Displaying LLDP Port Configuration . . . . . . . . . . . . . . . . . . . . . . 11-16

Displaying Local Device Power Information . . . . . . . . . . . . . . . 11-16

Displaying Remote Power Information . . . . . . . . . . . . . . . . . . . . 11-17

Displaying the Global PoE Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-20

Displaying PoE Status on All Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-21

Displaying the PoE Status on Specific Ports . . . . . . . . . . . . . . . . . . . 11-23

Planning and Implementing a PoE Configuration . . . . . . . . . . . . . . 11-26

Assigning PoE Ports to VLANs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-26

Applying Security Features to PoE Configurations . . . . . . . . . . . . . 11-26

Assigning Priority Policies to PoE Traffic . . . . . . . . . . . . . . . . . . . . . 11-27

PoE Event Log Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-28

“Informational” PoE Event-Log Messages . . . . . . . . . . . . . . . . . 11-28

“Warning” PoE Event-Log Messages . . . . . . . . . . . . . . . . . . . . . . 11-28

12 Port Trunking

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-1

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-2

Port Trunk Features and Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-4

Trunk Configuration Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-4

Menu: Viewing and Configuring a Static Trunk Group . . . . . . . . . . 12-9

CLI: Viewing and Configuring Port Trunk Groups . . . . . . . . . . . . . 12-11

Using the CLI To View Port Trunks . . . . . . . . . . . . . . . . . . . . . . . . . . 12-11

Using the CLI To Configure a Static or Dynamic Trunk Group . . . 12-14

Web: Viewing Existing Port Trunk Groups . . . . . . . . . . . . . . . . . . . . 12-17

Trunk Group Operation Using LACP . . . . . . . . . . . . . . . . . . . . . . . . . 12-18

Default Port Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-21

LACP Notes and Restrictions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-22

Trunk Group Operation Using the “Trunk” Option . . . . . . . . . . . . 12-26

How the Switch Lists Trunk Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-27

Outbound Traffic Distribution Across Trunked Links . . . . . . . . . 12-27

13 Port Traffic Controls

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-1

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-2

Rate-Limiting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-3

All Traffic Rate-Limiting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-3

Configuring Rate-Limiting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-3

Displaying the Current Rate-Limit Configuration . . . . . . . . . . . . 13-5

Operating Notes for Rate-Limiting . . . . . . . . . . . . . . . . . . . . . . . . . 13-5

Jumbo Frames . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-8

Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-8

Operating Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-9

Configuring Jumbo Frame Operation . . . . . . . . . . . . . . . . . . . . . . . . . 13-10

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-10

Viewing the Current Jumbo Configuration . . . . . . . . . . . . . . . . . 13-11

Enabling or Disabling Jumbo Traffic on a VLAN . . . . . . . . . . . . 13-13

Configuring a Maximum Frame Size . . . . . . . . . . . . . . . . . . . . . . . . . . 13-13

Configuring IP MTU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-14

SNMP Implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-14

Displaying the Maximum Frame Size . . . . . . . . . . . . . . . . . . . . . 13-15

Operating Notes for Maximum Frame Size . . . . . . . . . . . . . . . . 13-15

Operating Notes for Jumbo Traffic-Handling . . . . . . . . . . . . . . . . . . 13-15

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-18

xii

14 Configuring for Network Management Applications

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-1

Using SNMP Tools To Manage the Switch . . . . . . . . . . . . . . . . . . . . . . 14-3

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-3

SNMP Management Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-4

Configuring for SNMP version 1 and 2c Access to the Switch . . . . . 14-4

Configuring for SNMP Version 3 Access to the Switch . . . . . . . . . . . 14-5

SNMP Version 3 Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-6

Enabling SNMPv3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-7

SNMPv3 Users . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-7

Group Access Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-11

SNMPv3 Communities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-11

Menu: Viewing and Configuring non-SNMP version 3

Communities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-13

CLI: Viewing and Configuring SNMP Community Names . . . . 14-15

SNMP Notifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-17

Supported Notifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-17

General Steps for Configuring SNMP Notifications . . . . . . . . . 14-18

SNMPv1 and SNMPv2c Traps . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-19

Configuring an SNMP Trap Receiver . . . . . . . . . . . . . . . . . . . . . . 14-19

Enabling SNMPv2c Informs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-21

Configuring SNMPv3 Notifications . . . . . . . . . . . . . . . . . . . . . . . 14-23

Managing Network Security Notifications . . . . . . . . . . . . . . . . . 14-26

Enabling Link-Change Traps . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-28

Configuring the Source IP Address for SNMP Notifications . . 14-29

Displaying SNMP Notification Configuration . . . . . . . . . . . . . . . 14-31

Advanced Management: RMON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-33

CLI-Configured sFlow with Multiple Instances . . . . . . . . . . . . . . . . . 14-33

Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-33

Configuring sFlow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-34

Viewing sFlow Configuration and Status . . . . . . . . . . . . . . . . . . 14-34

LLDP (Link-Layer Discovery Protocol) . . . . . . . . . . . . . . . . . . . . . . . 14-37

Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-38

General LLDP Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-40

LLDP-MED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-40

xiii

Packet Boundaries in a Network Topology . . . . . . . . . . . . . . . . . . . . 14-40

Configuration Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-41

Options for Reading LLDP Information Collected by the Switch . . 14-43

LLDP and LLDP-MED Standards Compatibility . . . . . . . . . . . . . . . . 14-44

LLDP Operating Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-44

Configuring LLDP Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-45

Viewing the Current Configuration . . . . . . . . . . . . . . . . . . . . . . . 14-46

Configuring Global LLDP Packet Controls . . . . . . . . . . . . . . . . . 14-47

Configuring SNMP Notification Support . . . . . . . . . . . . . . . . . . . 14-51

Configuring Per-Port Transmit and Receive Modes . . . . . . . . . 14-52

Configuring Basic LLDP Per-Port Advertisement Content . . . . 14-53

Configuring Support for Port Speed and Duplex

Advertisements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-55

LLDP-MED (Media-Endpoint-Discovery) . . . . . . . . . . . . . . . . . . . . . 14-56

LLDP-MED Topology Change Notification . . . . . . . . . . . . . . . . . 14-59

LLDP-MED Fast Start Control . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-61

Advertising Device Capability, Network Policy, PoE Status

and Location Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-61

Configuring Location Data for LLDP-MED Devices . . . . . . . . . 14-65

Displaying Advertisement Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-70

Displaying Switch Information Available for Outbound

Advertisements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-71

Displaying LLDP Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-75

LLDP Operating Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-77

LLDP and CDP Data Management . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-79

LLDP and CDP Neighbor Data . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-79

CDP Operation and Commands . . . . . . . . . . . . . . . . . . . . . . . . . . 14-81

xiv

A File Transfers

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-3

Downloading Switch Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-3

General Software Download Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-4

Using TFTP To Download Switch Software from a Server . . . . . . . . A-4

Menu: TFTP Download from a Server to Primary Flash . . . . . . . A-5

CLI: TFTP Download from a Server to Flash . . . . . . . . . . . . . . . . A-7

Using Secure Copy and SFTP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-9

How It Works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-10

The SCP/SFTP Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-10

Disable TFTP and Auto-TFTP for Enhanced Security . . . . . . . A-11

Command Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-13

Authentication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-14

SCP/SFTP Operating Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-14

Troubleshooting SSH, SFTP, and SCP Operations . . . . . . . . . . A-16

Using Xmodem to Download Switch Software From

a PC or UNIX Workstation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-17

Menu: Xmodem Download to Primary Flash . . . . . . . . . . . . . . . A-17

CLI: Xmodem Download from a PC or UNIX Workstation to

Primary or Secondary Flash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-18

Using USB to Transfer Files to and from the Switch . . . . . . . . . . . . A-19

Using USB to Download Switch Software . . . . . . . . . . . . . . . . . A-20

Switch-to-Switch Download . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-21

Menu: Switch-to-Switch Download to Primary Flash . . . . . . . . A-22

CLI: Switch-To-Switch Downloads . . . . . . . . . . . . . . . . . . . . . . . A-23

Using PCM+ to Update Switch Software . . . . . . . . . . . . . . . . . . . . . . A-24

Copying Software Images . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-24

TFTP: Copying a Software Image to a Remote Host . . . . . . . . . A-24

Xmodem: Copying a Software Image from the Switch to a

Serially Connected PC or UNIX Workstation . . . . . . . . . . . . . . . A-25

USB: Copying a Software Image to a USB Device . . . . . . . . . . . A-25

Transferring Switch Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . A-26

TFTP: Copying a Configuration File to a Remote Host . . . . . . . A-26

TFTP: Copying a Configuration File from a Remote Host . . . . A-27

TFTP: Copying a Customized Command File to a Switch . . . . A-27

Xmodem: Copying a Configuration File to a Serially

Connected PC or UNIX Workstation . . . . . . . . . . . . . . . . . . . . . . A-28

Xmodem: Copying a Configuration File from a Serially

Connected PC or UNIX Workstation . . . . . . . . . . . . . . . . . . . . . . A-29

USB: Copying a Configuration File to a USB Device . . . . . . . . . A-30

USB: Copying a Configuration File from a USB Device . . . . . . A-31

Transferring ACL Command Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-31

TFTP: Uploading an ACL Command File from a TFTP Server A-31

Xmodem: Uploading an ACL Command File from a Serially

Connected PC or UNIX Workstation . . . . . . . . . . . . . . . . . . . . . . A-33

USB: Uploading an ACL Command File from a USB Device . . A-33

Copying Diagnostic Data to a Remote

Host, USB Device, PC or UNIX Workstation . . . . . . . . . . . . . . . . . . . A-35

Copying Command Output to a Destination Device . . . . . . . . . A-35

Copying Event Log Output to a Destination Device . . . . . . . . . A-36

Copying Crash Data Content to a Destination Device . . . . . . . A-36

Copying Crash Log Data Content to a Destination Device . . . . A-37

Using USB Autorun . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-39

How It Works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-39

Security Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-40

Troubleshooting Autorun Operations . . . . . . . . . . . . . . . . . . . . . A-41

Configuring Autorun on the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . A-42

Enabling Secure Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-42

Operating Notes and Restrictions . . . . . . . . . . . . . . . . . . . . . . . . A-43

Autorun and Configuring Passwords . . . . . . . . . . . . . . . . . . . . . . A-43

Viewing Autorun Configuration Information . . . . . . . . . . . . . . . . . . . A-44

xvi

B Monitoring and Analyzing Switch Operation

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-3

Status and Counters Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-4

Menu Access To Status and Counters . . . . . . . . . . . . . . . . . . . . . . . . . B-5

General System Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-6

Menu Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-6

CLI Access to System Information . . . . . . . . . . . . . . . . . . . . . . . . B-7

Task Monitor—Collecting Processor Data . . . . . . . . . . . . . . . . . . . . . B-8

Switch Management Address Information . . . . . . . . . . . . . . . . . . . . . . B-9

Menu Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-9

CLI Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-10

Port Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-10

Menu: Displaying Port Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-10

CLI Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-11

Web Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-11

Viewing Port and Trunk Group Statistics and Flow Control Status B-11

Menu Access to Port and Trunk Statistics . . . . . . . . . . . . . . . . . B-13

CLI Access To Port and Trunk Group Statistics . . . . . . . . . . . . B-14

Web Browser Access To View Port and Trunk

Group Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-14

Viewing the Switch’s MAC Address Tables . . . . . . . . . . . . . . . . . . . . B-15

Menu Access to the MAC Address Views and Searches . . . . . . B-15

CLI Access for MAC Address Views and Searches . . . . . . . . . . B-18

Spanning Tree Protocol (MSTP) Information . . . . . . . . . . . . . . . . . . B-19

CLI Access to MSTP Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-19

Internet Group Management Protocol (IGMP) Status . . . . . . . . . . . B-20

VLAN Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-21

Web Browser Interface Status Information . . . . . . . . . . . . . . . . . . . . B-23

Interface Monitoring Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-24

Menu: Configuring Port and Static Trunk Monitoring . . . . . . . . . . . B-25

CLI: Configuring Port and Static Trunk Monitoring . . . . . . . . . . . . . B-27

Web: Configuring Port Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . B-30

Locating a Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-31

C Troubleshooting

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-1

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-4

Troubleshooting Approaches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-5

Browser or Telnet Access Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . C-6

Unusual Network Activity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-8

General Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-8

802.1Q Prioritization Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-9

ACL Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-9

IGMP-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-13

LACP-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-14

Mesh-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-14

Port-Based Access Control (802.1X)-Related Problems . . . . . . . . . C-14

QoS-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-17

xvii

Radius-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-17

Spanning-Tree Protocol (MSTP) and Fast-Uplink Problems . . . . . . C-18

SSH-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-19

TACACS-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-21

TimeP, SNTP, or Gateway Problems . . . . . . . . . . . . . . . . . . . . . . . . . C-23

VLAN-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-23

Fan Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-25

Using the Event Log for Troubleshooting Switch Problems . . . . C-26

Event Log Entries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-26

Menu: Displaying and Navigating in the Event Log . . . . . . . . . . . . . C-34

CLI: Displaying the Event Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-35

CLI: Clearing Event Log Entries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-35

CLI: Turning Event Numbering On . . . . . . . . . . . . . . . . . . . . . . . . . . . C-36

Using Log Throttling to Reduce Duplicate

Event Log and SNMP Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-36

Log Throttle Periods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-37

Example of Log Throttling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-37

Example of Event Counter Operation . . . . . . . . . . . . . . . . . . . . . C-39

Debug/Syslog Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-40

Debug/Syslog Messaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-40

Debug/Syslog Destination Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . C-40

Debug/Syslog Configuration Commands . . . . . . . . . . . . . . . . . . . . . . C-41

Configuring Debug/Syslog Operation . . . . . . . . . . . . . . . . . . . . . . . . . C-43

Displaying a Debug/Syslog Configuration . . . . . . . . . . . . . . . . . . C-45

Debug Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-49

Debug Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-49

Debug Destinations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-51

Logging Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-52

Configuring a Syslog Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-53

Configuring the Severity Level for Event Log

Messages Sent to a Syslog Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-56

Configuring the System Module Used to Select the Event Log

Messages Sent to a Syslog Server . . . . . . . . . . . . . . . . . . . . . . . . C-57

Operating Notes for Debug and Syslog . . . . . . . . . . . . . . . . . . . . . . . C-57

xviii

Diagnostic Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-59

Port Auto-Negotiation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-60

Ping and Link Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-60

Web: Executing Ping or Link Tests . . . . . . . . . . . . . . . . . . . . . . . C-61

CLI: Ping Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-62

Link Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-63

Traceroute Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-64

Viewing Switch Configuration and Operation . . . . . . . . . . . . . . . . . C-68

CLI: Viewing the Startup or Running Configuration File . . . . . . . . . C-68

Web: Viewing the Configuration File . . . . . . . . . . . . . . . . . . . . . . . . . C-68

CLI: Viewing a Summary of Switch Operational Data . . . . . . . . . . . C-68

Saving show tech Command Output to a Text File . . . . . . . . . . C-70

Customizing show tech Command Output . . . . . . . . . . . . . . . . . C-71

CLI: Viewing More Information on Switch Operation . . . . . . . . . . . C-75

Pattern Matching When Using the Show Command . . . . . . . . . C-75

CLI: Useful Commands for Troubleshooting Sessions . . . . . . . . . . . C-79

System Failures: Core Dump Utility . . . . . . . . . . . . . . . . . . . . . . . . . . C-79

CLI: Enabling/Disabling Core Dump . . . . . . . . . . . . . . . . . . . . . . C-80

CLI: Transferring Core Dump Files . . . . . . . . . . . . . . . . . . . . . . . C-80

CLI: Displaying Core Dump Information . . . . . . . . . . . . . . . . . . C-81

CLI: Deleting Core Dump Files . . . . . . . . . . . . . . . . . . . . . . . . . . . C-81

Web: Enabling/Disabling Core Dump . . . . . . . . . . . . . . . . . . . . . C-81

Web UI: Downloading Core Dump Files . . . . . . . . . . . . . . . . . . . C-83

Restoring the Factory-Default Configuration . . . . . . . . . . . . . . . . . C-84

CLI: Resetting to the Factory-Default Configuration . . . . . . . . . . . . C-84

Clear/Reset: Resetting to the Factory-Default Configuration . . . . . C-85

Restoring a Flash Image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-85

DNS Resolver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-88

Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-88

Basic Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-89

Configuring and Using DNS Resolution

with DNS-Compatible Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . C-90

Configuring a DNS Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-91

Example Using DNS Names with Ping and Traceroute . . . . . . . . . . C-92

Viewing the Current DNS Configuration . . . . . . . . . . . . . . . . . . . . . . C-94

Operating Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-95

xix

Event Log Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-96

D MAC Address Management

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-1

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-2

Determining MAC Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-3

Menu: Viewing the Switch’s MAC Addresses . . . . . . . . . . . . . . . . . . . . D-4

CLI: Viewing the Port and VLAN MAC Addresses . . . . . . . . . . . . . . . . D-5

Viewing the MAC Addresses of Connected Devices . . . . . . . . . . . . . D-7

E Monitoring Resources

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-1

Viewing Information on Resource Usage . . . . . . . . . . . . . . . . . . . . . . . E-2

Policy Enforcement Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-2

Displaying Current Resource Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . E-3

When Insufficient Resources Are Available . . . . . . . . . . . . . . . . . . . . E-6

F Daylight Savings Time on ProCurve Switches

Index

Product Documentation

About Your Switch Manual Set

Note For the latest version of all ProCurve switch documentation, including

Release Notes covering recently added features, please visit the ProCurve Networking Web site at www.procurve.com, click on Customer Care, and then click on Manuals.

Printed Publications

The publications listed below are printed and shipped with your switch. The latest version is also available in PDF format on the ProCurve Web site, as described in the Note at the top of this page.

■ Read Me First—Provides software update information, product notes,

and other information.

■ HP ProCurve Switch Quick Setup—Provides quick start installation

instructions. See the Installation and Getting Started Guide for more detailed information.

Electronic Publications

The latest version of each of the publications listed below is available in PDF format on the ProCurve Web site, as described in the Note at the top of this page.

■ Installation and Getting Started Guide—Explains how to prepare for

and perform the physical installation and connect the switch to your network.

■ Management and Configuration Guide—Describes how to configure,

manage, and monitor basic switch operation.

■ Advanced Traffic Management Guide—Explains how to configure traffic

management features such as VLANs, MSTP, QoS, and Meshing.

■ Multicast and Routing Guide—Explains how to configure IGMP, PIM, IP

routing, and VRRP features.

■ Access Security Guide—Explains how to configure access security fea-

tures and user authentication on the switch.

■ IPv6 Configuration Guide—Describes the IPv6 protocol operations that

are supported on the switch.

■ Release Notes—Describe new features, fixes, and enhancements that

become available between revisions of the main product guide.

xxi

Software Feature Index

For the software manual set supporting your 2910al switch model, this feature index indicates which manual to consult for information on a given software feature.

Note This Index does not cover IPv6 capable software features. For information on

IPv6 protocol operations and features (such as DHCPv6, DNS for IPv6, Ping6, and MLD Snooping), refer to the IPv6 Configuration Guide.

Intelligent Edge Software Features

802.1Q VLAN Tagging X

802.1X Port-Based Priority X

802.1X Multiple Authenticated Clients Per Port X

Access Control Lists (ACLs) X

AAA Authentication X

Authorized IP Managers X

Authorized Manager List (Web, Telnet, TFTP) X

Auto MDIX Configuration X

BOOTP X

Config File X

Console Access X

Copy Command X

CoS (Class of Service) X

Management

and

Configuration

Advanced

Management

Traffic

Manual

Multicast and

Routing

Access

Security

Guide

Debug X

DHCP Configuration X

DHCP Option 82 X

DHCP Snooping X

xxii

Intelligent Edge Software Features

Management

and

Configuration

Manual

Advanced

Traffic

Management

Multicast and

Routing

Access

Security

Guide

DHCP/Bootp Operation

Diagnostic Tools

Downloading Software

Dynamic ARP Protection

Dynamic Configuration Arbiter

Eavesdrop Protection

Event Log X

Factory Default Settings

Flow Control (802.3x)

File Management

File Transfers

Friendly Port Names

Guaranteed Minimum Bandwidth (GMB)

GVRP

Identity-Driven Management (IDM)

IGMP

Interface Access (Telnet, Console/Serial, Web)

IP Addressing

IP Routing

Jumbo Packets

LACP

Link

LLDP

LLDP-MED

Loop Protection

MAC Address Management

xxiii

Intelligent Edge Software Features

MAC Lockdown X

Management

and

Configuration

Advanced

Management

Traffic

Manual

Multicast and

Routing

Access

Security

Guide

MAC Lockout

MAC-based Authentication

Management VLAN

Monitoring and Analysis

Multicast Filtering

Multiple Configuration Files

Network Management Applications (SNMP)

OpenView Device Management

Passwords and Password Clear Protection

ProCurve Manager (PCM)

Ping

Port Configuration

Port Monitoring

Port Security

Port Status

Port Trunking (LACP)

Port-Based Access Control (802.1X)

Power over Ethernet (PoE+)

Protocol Filters

Protocol VLANS

Quality of Service (QoS)

RADIUS Authentication and Accounting

RADIUS-Based Configuration

Rate-Limiting X

RIP X

xxiv

Intelligent Edge Software Features

Management

and

Configuration

Manual

Advanced

Traffic

Management

Multicast and

Routing

Access

Security

Guide

RMON 1,2,3,9

Routing

Routing - IP Static

Secure Copy

sFlow

SFTP

SNMPv3

Software Downloads (SCP/SFTP, TFPT, Xmodem)

Source-Port Filters

Spanning Tree (STP, RSTP, MSTP)

SSHv2 (Secure Shell) Encryption

SSL (Secure Socket Layer)

Stack Management (3500yl/6200yl switches only)

Syslog

System Information

TACACS+ Authentication

Telnet Access

TFTP

Time Protocols (TimeP, SNTP)

Traffic Mirroring

Traffic/Security Filters

Troubleshooting

Uni-Directional Link Detection (UDLD)

UDP Forwarder

USB Device Support

VLANs

xxv

Intelligent Edge Software Features

Management

and

Configuration

Manual

Advanced

Traffic

Management

Multicast and

Routing

Access

Security

Guide

Voice VLAN

Web Authentication RADIUS Support

Web-based Authentication

Web UI

Xmodem

xxvi

Getting Started

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Command Syntax Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Command Prompts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Screen Simulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Configuration and Operation Examples . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3