Port Auto-Negotiation; Chapter Contents - HP 4108GL Management And Configuration Manual
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Also See for 4108GL:
- Management and configuration manual (547 pages) ,
- Function manual (306 pages) ,
- Installation and getting started manual (94 pages)
Table of Contents
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Troubleshooting
Contents
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-2
Troubleshooting Approaches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-3
Browser or Telnet Access Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-4
Unusual Network Activity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-6
Using the Event Log To Identify Problem Sources . . . . . . . . . . . . . . . . . 18-16
Diagnostic Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-19
Restoring the Factory-Default Configuration . . . . . . . . . . . . . . . . . . . . . . 18-26
Restoring a Flash Image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-27
Troubleshooting CDP Operation . . . . . . . . . . . . . . . . . . . . . . . . . . 18-7
IGMP-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-8
Problems Related to Spanning-Tree Protocol (STP) . . . . . . . . . . 18-9
Stacking-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-9
TACACS-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-9
TimeP, SNTP, or Gateway Problems . . . . . . . . . . . . . . . . . . . . . . 18-11
VLAN-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-11
Troubleshooting TACACS+ Operation . . . . . . . . . . . . . . . . . . . . 18-13
Menu: Entering and Navigating in the Event Log . . . . . . . . . . . . . . . 18-17
CLI: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-18
Port Auto-Negotiation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-19
Ping and Link Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-19
Web: Executing Ping or Link Tests . . . . . . . . . . . . . . . . . . . . . . . 18-21
CLI: Ping or Link Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-22
Displaying the Configuration File . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-24
CLI: Viewing the Configuration File . . . . . . . . . . . . . . . . . . . . . . 18-24
Web: Viewing the Configuration File . . . . . . . . . . . . . . . . . . . . . . 18-24
CLI Administrative and Troubleshooting Commands . . . . . . . . . . . 18-25
CLI: Resetting to the Factory-Default Configuration . . . . . . . . 18-26
18
18-1
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