How to configure Cisco Catalyst6509 redundancy

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Actually, supervisor engine redundancy is configured by default when a second supervisor engine is detected.

Cisco_c6509# show redundancy states

       my state = 13 -ACTIVE
       peer state = 4  -STANDBY COLD
           Mode = Duplex
           Unit = Primary
           Unit ID = 1

       Redundancy Mode (Operational) = RPR
       Redundancy Mode (Configured)  = RPR
       Split Mode = Disabled
       Manual Swact = Enabled

       Communications = Up

       client count = 4
       client_notification_TMR = 30000 milliseconds

       keep_alive TMR = 4000 milliseconds
       keep_alive count = 1
       keep_alive threshold = 7

       RF debug mask = 0x0  

 

Cisco_c6509(config)# redundancy
Cisco_c6509(config-red)# main-cpu
Cisco_c6509(config-r-mc)# auto-sync standard
Cisco_c6509(config-r-mc)# end
Cisco_c6509# copy running-config startup-config

 

Cisco_c6509# redundancy force-switchover   <—- Force to change supervisor card active.