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

    Table 1: 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

    Published: 2014-08-12