Monitoring the Redundancy History of Line Modules in a Specific Slot

Purpose

Display information about dates, times, and the number of occurrences for starts and switchovers for a line module installed in a particular slot.

Action

To display information about the number of occurrences for starts and switchovers for a particular line module:

host1#show redundancy history line-card slot 3
        system            last               last                        Number           Number
        up                cold               warm                        of cold          of  warm      
slot    time              switchover         switchover                  switchovers      switchovers   
----   --------           ---------          -------                     ------           -------       
3      00:32:09      2009-06-10 17:56:15   2009-06-01 17:56:15            8                  2

To display additional redundancy history information:

host1#show redundancy history line-card slot 3 detail

Line card
–------------
        system            last               last                        Number           Number
        up                cold               warm                        of cold          of  warm      
slot    time              switchover         switchover                  switchovers      switchovers   
----   --------           ---------          -------                     ------           -------       
3      00:32:09      2009-06-10 17:56:15   2009-06-01 17:56:15            8                  2	        

LC activation time      type       slot     uptime     
-------------------   -----------   ----   ----------  
2009-06-10 19:20:35   warm-switch    03    0 20:20:40  
2009-06-10 18:58:23   warm-switch    03    0 19:58:28  
2009-06-10 18:39:54   warm-switch    03    0 19:39:59  
2009-06-10 18:20:10   warm-switch    03    0 19:20:15  
2009-06-10 18:00:46   warm-switch    03    0 19:00:50  
2009-06-10 17:41:13   warm-switch    03    0 18:41:17  
2009-06-10 17:12:03   warm-switch    03    0 18:12:08  
2009-06-10 16:47:21   warm-switch    03    0 17:47:23  
2009-06-10 16:26:59   warm-switch    03    0 17:27:00  
2009-06-10 15:54:12   warm-switch    03    0 16:54:12  
2009-06-10 15:31:57   warm-switch    03    0 16:31:57

Meaning

Table 17 lists the show redundancy history line-card slot slotNum command output fields.

Table 17: show redundancy history line-card slot slotNum Output Fields

Field Name	Field Description
Line card	Information about the switchover operations performed on the specific line module
system up time	Amount of time elapsed since the last cold boot
last cold start	Date and time the router experienced the last cold start
last cold switchover	Date and time the router experienced the last cold switchover
last warm switchover	Date and time the router experienced the last warm switchover
Number of cold switchovers	Total number of cold switchovers the router has experienced
Number of warm switchovers	Total number of warm switchovers the router has experienced
LC activation time	Amount of time the line module has been active
type	Type of switchover. Possible options: cold-switch—When the router is in pending state and switchover occurs, the line module undergoes a cold-switch or cold re-start warm-switch—When the router is in active state and switchover occurs, the line module undergoes a warm-switch or warm restart
slot	Slot in which the line module resides
uptime	Amount of time the line module has been operational

Monitoring the Redundancy History of Line Modules in a Specific Slot

Purpose

Action

Meaning

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