# Monitoring the Redundancy History

#### Purpose

Display information about dates, times, and the number of occurrences for starts and switchovers.

#### Action

To display information about the number of occurrences for starts and switchovers.

    host1#show redundancy history

    system up time:        0 00:08:01
    last cold start:       2004-07-26 10:44:25
    last cold switchover:  2004-07-25 18:51:56
    last warm switchover:  2004-07-25 20:58:57

    activation statistics:
        cold starts:           92
        switchovers:
            cold:              21
            warm:              147
            consecutive warm:  0

To display the additional redundancy history information:

    host1#show redundancy history detail

    system up time:        0 00:08:01
    last cold start:       2004-07-26 10:44:25
    last cold switchover:  2004-07-25 18:51:56
    last warm switchover:  2004-07-25 20:58:57

    activation statistics:
        cold starts:           92
        switchovers:
            cold:              21
            warm:              147
            consecutive warm:  0

                                              system
    SRP activation time      type      slot   uptime    running release
    -------------------   ----------   ----   ------   -----------------
    2004-09-08 15:10:40   cold-start    00     ---     erx_6-0-0b1-8.rel
    2004-09-08 14:39:10   cold-start    00     ---     erx_6-0-0b1-1.rel

#### Meaning

Table 11 lists the show redundancy history command output fields.

Table 11: show redundancy history Output Fields

Field Name | Field Description
--- | ---
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.
cold starts | Total number of cold starts the router has experienced.
switchovers | Number of cold, warm, and consecutive warm switchovers the router has experienced.
SRP activation time | Amount of time the SRP module has been active.
type | Last type of activation that occurred on this router.
slot | Slot in which the line module resides.
system uptime | Amount of time the chassis has been operational.
running release | Release running on the SRP module at the time.

#### Related Documentation

- show redundancy history