C
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
Port-Based Access Control (802.1X)-Related Problems . . . . . . . . . C-11
QoS-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-14
Radius-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-15
Spanning-Tree Protocol (MSTP) and Fast-Uplink Problems . . . . . . C-16
SSH-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-17
TACACS-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-19
TimeP, SNTP, or Gateway Problems . . . . . . . . . . . . . . . . . . . . . . . . . C-21
VLAN-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-21
Using the Event Log for Troubleshooting Switch Problems
. . . . C-24
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
Using Log Throttling to Reduce Duplicate
Event Log and SNMP Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-33
Log Throttle Periods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-34
Example of Log Throttling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-34
Example of Event Counter Operation . . . . . . . . . . . . . . . . . . . . . C-36
C-1
Summary of Contents for ProCurve 6120G/XG
Page 2: ......
Page 24: ...xxii ...
Page 40: ...Getting Started To Set Up and Install the Switch in Your Network 1 10 ...
Page 70: ...Using the Menu Interface Where To Go From Here 3 16 ...
Page 92: ...Using the ProCurve Web Browser Interface Contents Setting Fault Detection Policy 5 25 5 2 ...
Page 160: ...Switch Memory and Configuration Automatic Configuration Update with DHCP Option 66 6 44 ...
Page 288: ...Port Status and Configuration Uplink Failure Detection 10 42 ...
Page 318: ...Port Trunking Outbound Traffic Distribution Across Trunked Links 11 30 ...
Page 487: ...Monitoring and Analyzing Switch Operation Status and Counters Data B 17 ...
Page 518: ...Monitoring and Analyzing Switch Operation Traffic Mirroring B 48 ...
Page 612: ...MAC Address Management Viewing the MAC Addresses of Connected Devices D 8 ...
Page 616: ...Monitoring Resources When Insufficient Resources Are Available E 4 ...
Page 620: ...Daylight Savings Time on ProCurve Switches F 4 ...
Page 638: ...Network Out of Band Management OOBM Tasks G 18 ...
Page 659: ...download to primary or secondary flash A 21 using to download switch software A 19 Index 19 ...
Page 660: ...20 Index ...
Page 661: ......