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HP PROCURVE 2520 User Manual

HP PROCURVE 2520
544 pages
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Troubleshooting
Contents
Debug/Syslog Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-32
Configuring the Severity Level for Event Log
Configuring the System Module Used to Select the Event Log
Debug/Syslog Messaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-32
Debug/Syslog Destination Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . C-32
Debug/Syslog Configuration Commands . . . . . . . . . . . . . . . . . . . . . . C-33
Configuring Debug/Syslog Operation . . . . . . . . . . . . . . . . . . . . . . . . . C-35
Displaying a Debug/Syslog Configuration . . . . . . . . . . . . . . . . . . C-36
Debug Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-38
Debug Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-38
Debug Destinations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-40
Logging Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-41
Configuring a Syslog Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-41
Adding a Description for a Syslog Server . . . . . . . . . . . . . . . . . . . . . . C-44
Adding a Priority Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-45
Messages Sent to a Syslog Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-46
Messages Sent to a Syslog Server . . . . . . . . . . . . . . . . . . . . . . . . C-47
Operating Notes for Debug and Syslog . . . . . . . . . . . . . . . . . . . . . . . C-47
Diagnostic Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-49
Port Auto-Negotiation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-50
Ping and Link Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-50
Web: Executing Ping or Link Tests . . . . . . . . . . . . . . . . . . . . . . . C-51
CLI: Ping Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-52
Link Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-53
Traceroute Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-54
Viewing Switch Configuration and Operation . . . . . . . . . . . . . . . . . C-58
CLI: Viewing the Startup or Running Configuration File . . . . . . . . . C-58
Web: Viewing the Configuration File . . . . . . . . . . . . . . . . . . . . . . . . . C-58
CLI: Viewing a Summary of Switch Operational Data . . . . . . . . . . . C-59
Saving show tech Command Output to a Text File . . . . . . . . . . C-60
CLI: Viewing More Information on Switch Operation . . . . . . . . . . . C-62
Pattern Matching When Using the Show Command . . . . . . . . . C-63
CLI: Useful Commands for Troubleshooting Sessions . . . . . . . . . . . C-66
Restoring the Factory-Default Configuration . . . . . . . . . . . . . . . . . C-67
CLI: Resetting to the Factory-Default Configuration . . . . . . . . . . . . C-67
C-2

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HP PROCURVE 2520 Specifications

General IconGeneral
BrandHP
ModelPROCURVE 2520
CategorySoftware
LanguageEnglish

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