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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
General Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-6
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 Operation . . . . . . . . . . . . . . . . . . . . 18-13
Using the Event Log To Identify Problem Sources . . . . . . . . . . . . . . . . . 18-16
Menu: Entering and Navigating in the Event Log . . . . . . . . . . . . . . . 18-17
CLI: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-18
Diagnostic Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-19
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
Restoring the Factory-Default Configuration . . . . . . . . . . . . . . . . . . . . . . 18-26
CLI: Resetting to the Factory-Default Configuration . . . . . . . . 18-26
Clear/Reset: Resetting to the Factory-Default Configuration . 18-26
Restoring a Flash Image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-27
Summary of Contents for ProCurve 4108gl Bundle
Page 1: ...hp procurve switch 4108gl management and configuration guide www hp com go hpprocurve ...
Page 2: ......
Page 40: ...2 16 Using the Menu Interface Where To Go From Here Using the Menu Interface ...
Page 154: ...8 24 Time Protocols SNTP Messages in the Event Log Time Protocols ...
Page 350: ...14 44 Port Based Virtual LANs VLANs and GVRP GVRP Port Based Virtual LANs VLANs and GVRP ...
Page 383: ...16 13 Spanning Tree Protocol STP How STP Operates Spanning Tree Protocol STP ...
Page 384: ...16 14 Spanning Tree Protocol STP How STP Operates Spanning Tree Protocol STP ...
Page 442: ...18 30 Troubleshooting Restoring a Flash Image Troubleshooting ...
Page 466: ...B 6 MAC Address Management Determining MAC Addresses MAC Address Management ...
Page 470: ......
Page 481: ...Index 11 Index write memory effect on menu interface 2 13 X Xmodem OS download A 6 ...
Page 482: ......