HP ProCurve series 2500 User Manual

11-1
Troubleshooting
11
Troubleshooting
Chapter Contents
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2
Troubleshooting Approaches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-3
Browser or Console Access Problems . . . . . . . . . . . . . . . . . . . . . . . . . . 11-4
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

HP ProCurve series 2500 Specifications

General

Brand	HP
Model	ProCurve series 2500
Category	Switch
Language	English