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HP ProCurve 2610-PWR User Manual

HP ProCurve 2610-PWR
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C
Troubleshooting
Contents
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-3
Troubleshooting Approaches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-3
Browser or Telnet Access Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-5
Unusual Network Activity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-7
General Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-7
Prioritization Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-8
IGMP-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-8
LACP-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-9
Port-Based Access Control (802.1X)-Related Problems . . . . . . . . . . C-9
Radius-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-13
Spanning-Tree Protocol (STP) and Fast-Uplink Problems . . . . . . . C-14
SSH-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-15
Stacking-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-16
TACACS-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-16
TimeP, SNTP, or Gateway Problems . . . . . . . . . . . . . . . . . . . . . . . . . C-18
VLAN-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-18
Using Logging To Identify Problem Sources . . . . . . . . . . . . . . . . . . . . . . . C-21
Event Log Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-21
Menu: Entering and Navigating in the Event Log . . . . . . . . . . . C-23
CLI: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-24
Debug and Syslog Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-25
Debug Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-26
Configuring the Switch To Send Debug Messages to One
or More SyslogD Servers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-27
Diagnostic Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-32
Port Auto-Negotiation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-32
Ping and Link Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-33
Web: Executing Ping or Link Tests . . . . . . . . . . . . . . . . . . . . . . . C-34
CLI: Ping or Link Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-35
C-1

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HP ProCurve 2610-PWR Specifications

General IconGeneral
BrandHP
ModelProCurve 2610-PWR
CategorySwitch
LanguageEnglish

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