切换主处理板卡：redundancy force−switchover

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Cisco4507#show redundancy domain default
Redundant System Information :
------------------------------
       Available system uptime = 9 minutes
Switchovers system experienced = 1
              Standby failures = 0
        Last switchover reason = user forced

                 Hardware Mode = Duplex
    Configured Redundancy Mode = Stateful Switchover
     Operating Redundancy Mode = Stateful Switchover
              Maintenance Mode = Disabled
                Communications = Up

Current Processor Information :
-------------------------------
               Active Location = slot 3
        Current Software state = ACTIVE
       Uptime in current state = 6 minutes
                 Image Version = Cisco IOS Software, Catalyst 4500 L3 Switch Software (cat4500e-ENTSERVICESK9-M), Version 12.2(54)SG1, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2011 by Cisco Systems, Inc.
Compiled Thu 27-Jan-11 12:07 by prod_rel_team
                          BOOT = bootflash:cat4500e-ipbase-mz.122-50.SG3.bin,1;bootflash:/cat4500e-entservicesk9-mz.122-54.SG1.bin,1;
        Configuration register = 0x2

Peer Processor Information :
----------------------------
              Standby Location = slot 4
        Current Software state = STANDBY HOT
       Uptime in current state = 1 minute
                 Image Version = Cisco IOS Software, Catalyst 4500 L3 Switch Software (cat4500e-ENTSERVICESK9-M), Version 12.2(54)SG1, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2011 by Cisco Systems, Inc.
Compiled Thu 27-Jan-11 12:07 by
                          BOOT = bootflash:cat4500e-ipbase-mz.122-50.SG3.bin,1;bootflash:/cat4500e-entservicesk9-mz.122-54.SG1.bin,1;
        Configuration register = 0x2
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Cisco4507#show redundancy switchover history
Index  Previous  Current  Switchover             Switchover
       active    active   reason                 time
-----  --------  -------  ----------             ----------
   1       4        3     user forced            06:28:04 UTC Fri May 27 2011
   2       3        4     user forced            06:35:37 UTC Fri May 27 2011

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Cisco4507#show redundancy domain default    
Redundant System Information :
------------------------------
       Available system uptime = 16 minutes
Switchovers system experienced = 2
              Standby failures = 0
        Last switchover reason = user forced

                 Hardware Mode = Duplex
    Configured Redundancy Mode = Stateful Switchover
     Operating Redundancy Mode = Stateful Switchover
              Maintenance Mode = Disabled
                Communications = Down      Reason: Simplex mode

Current Processor Information :
-------------------------------
               Active Location = slot 4
        Current Software state = ACTIVE
       Uptime in current state = 9 minutes
                 Image Version = Cisco IOS Software, Catalyst 4500 L3 Switch Software (cat4500e-ENTSERVICESK9-M), Version 12.2(54)SG1, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2011 by Cisco Systems, Inc.
Compiled Thu 27-Jan-11 12:07 by prod_rel_team
                          BOOT = bootflash:cat4500e-ipbase-mz.122-50.SG3.bin,1;bootflash:/cat4500e-entservicesk9-mz.122-54.SG1.bin,1;
        Configuration register = 0x2

Peer (slot: 3) information is not available because it is in 'DISABLED' state