Contents - HP ProCurve 2810 Series Management And Configuration Manual
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Also See for ProCurve 2810 Series:
- Access security manual (326 pages) ,
- Management and configuration manual (272 pages) ,
- Quick reference manual (44 pages)
Table of Contents
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Troubleshooting
Contents
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-3
Troubleshooting Approaches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-3
Chassis Over-Temperature Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-5
Browser or Telnet Access Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-7
Unusual Network Activity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-9
General Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-9
Prioritization Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-10
IGMP-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-10
LACP-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-11
Port-Based Access Control (802.1X)-Related Problems . . . . . . . . . C-12
Radius-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-15
Spanning-Tree Protocol (STP) and Fast-Uplink Problems . . . . . . . C-16
SSH-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-17
Stacking-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-18
TACACS-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-18
TimeP, SNTP, or Gateway Problems . . . . . . . . . . . . . . . . . . . . . . . . . C-20
VLAN-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-20
Using Logging To Identify Problem Sources . . . . . . . . . . . . . . . . . . . . . . . C-23
Event Log Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-23
Menu: Entering and Navigating in the Event Log . . . . . . . . . . . C-25
CLI: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-26
Debug and Syslog Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-27
Diagnostic Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-34
Port Auto-Negotiation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-34
Ping and Link Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-35
Web: Executing Ping or Link Tests . . . . . . . . . . . . . . . . . . . . . . . C-36
CLI: Ping or Link Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-37
C
C-1
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