To Next Page

To Previous Page

xiv

Contents

Unusual Network Activity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-6

General Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-6

IGMP-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-7

Problems Related to Spanning-Tree Protocol (STP) . . . . . . . . . . 11-8

Stacking-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-8

Timep or Gateway Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-8

VLAN-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-9

Using the Event Log To Identify Problem Sources . . . . . . . . . . . . . 11-11

Menu: Entering and Navigating in the Event Log . . . . . . . . . . . . . . . 11-12

CLI: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-13

Diagnostic Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-14

Ping and Link Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-14

Web: Executing Ping or Link Tests . . . . . . . . . . . . . . . . . . . . . . . 11-15

CLI: Ping or Link Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-16

Displaying the Configuration File . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-18

CLI: Viewing the Configuration File . . . . . . . . . . . . . . . . . . . . . . 11-18

Web: Viewing the Configuration File . . . . . . . . . . . . . . . . . . . . . . 11-18

CLI Administrative and Troubleshooting Commands . . . . . . . . . . . 11-19

Restoring the Factory-Default Configuration . . . . . . . . . . . . . . . . . 11-20

CLI: Resetting to the Factory-Default Configuration . . . . . . . . 11-20

Clear/Reset: Resetting to the Factory-Default Configuration . 11-20

A: Transferring an Operating System or Startup

Configuration File

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

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

Downloading an Operating System (OS) . . . . . . . . . . . . . . . . . . . . . . . A-2

Using TFTP To Download the OS File from a Server . . . . . . . . . . . . . A-3

Menu: TFTP Download from a Server . . . . . . . . . . . . . . . . . . . . . . A-4

CLI: TFTP Download from a Server . . . . . . . . . . . . . . . . . . . . . . . A-5

Using the SNMP-Based Software Update Utility . . . . . . . . . . . . . . . . . A-6

Series 2500 Switch-to-Switch Download . . . . . . . . . . . . . . . . . . . . . . . A-6

Menu: Switch-to-Switch Download . . . . . . . . . . . . . . . . . . . . . . . . A-6

CLI: Switch-To-Switch Download . . . . . . . . . . . . . . . . . . . . . . . . . A-7

Using Xmodem to Download the OS File From a PC . . . . . . . . . . . . . A-7

Menu: Xmodem Download . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-7

CLI: Xmodem Download from a PC or Unix Workstation . . . . . A-8

Troubleshooting TFTP Downloads . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-9

HP ProCurve series 2500 User Manual

Questions and Answers: