Troubleshoot stacking problems using the show logging command
The
show logging command troubleshoots problems in stacking.
show logging <a|b|r|s|t|m|p|e|w|i|d|command|filter|option-str|substring ...]>
a|r|substring can be used in combination with an event class option.
- a
Instructs the switch to display all recorded log events, which include events from previous boot cycles.
- b
Display log events as time since boot instead of date/time format.
- r
Instructs the switch to display recorded log events in reverse order (most recent first.)
- s
Display AMM and SMM log events.
- t
Display log events in granularity in 10 milli seconds.
- command
Instructs the switch to display command logs.
- substring
Instructs the switch to display only those events that match the substring.
The remaining event class options are listed in order of severity - lowest severity first. The output of the command is confined to event classes of equal or higher severity.
Only one of options
d|i|w|e|p|m can be used in the command at a time.
a|r and substring options may be used in combination with an event class option.
- m
Display major type of messages.
- e
Display error event class.
- p
Display major and error type of messages.
- w
Display major, error, and warning type of messages.
- I
Display major, error, warning, and information.
- d
Display major, error, warning, information, and debug messages.
- filter
Display log filter configuration and status information.
- Option-str
Filter events shown.
show logging example output
switch# show logging -e
Keys: W=Warning I=Information
M=Major D=Debug E=Error
---- Event Log listing: Events Since Boot ----
M 07/05/17 18:52:33 00064 system: ST4-CMDR: Reboot of Member ID 4, User reboot
M 07/05/17 18:52:33 02796 chassis: ST4-CMDR: Internal power supply 1 inserted.
Total fault count: 0.
M 07/05/17 18:52:33 02797 chassis: ST4-CMDR: Internal power supply 1 is OK.
Total fault count: 0.
M 07/05/17 18:52:50 02796 chassis: ST5-STBY: Internal power supply 1 inserted.
Total fault count: 0.
M 07/05/17 18:52:50 02797 chassis: ST5-STBY: Internal power supply 1 is OK.
Total fault count: 0.
---- Bottom of Log : Events Listed = 5 ----