Contents - HP ProCurve 6120G/XG Configuration Manual

Procurve series 6120 blade switches management and configuration guide
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Troubleshooting

Contents

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-4
Troubleshooting Approaches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-5
Browser or Telnet Access Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . C-7
Unusual Network Activity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-9
General Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-9
802.1Q Prioritization Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-10
IGMP-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-10
LACP-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-11
QoS-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-14
Radius-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-15
SSH-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-17
TACACS-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-19
TimeP, SNTP, or Gateway Problems . . . . . . . . . . . . . . . . . . . . . . . . . C-21
VLAN-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-21
Event Log Entries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-24
Menu: Displaying and Navigating in the Event Log . . . . . . . . . . . . . C-31
CLI: Displaying the Event Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-32
CLI: Clearing Event Log Entries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-32
CLI: Turning Event Numbering On . . . . . . . . . . . . . . . . . . . . . . . . . . . C-33
Log Throttle Periods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-34
Example of Log Throttling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-34
Example of Event Counter Operation . . . . . . . . . . . . . . . . . . . . . C-36
C
C-1

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Procurve 6120xgProcurve 6120 series

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