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switchport backup interface
switchport backup interface
Specifies primary and secondary ports and automatic or timer preemption wait time.
Input format
To set or change information:
switchport backup interface {{fastethernet | gigabitethernet}
port-channel
To delete information:
no switchport backup interface
Input mode
(config-if)
Parameters
{{fastethernet | gigabitethernet}
Sets the secondary port. The port on which this command is set will be the primary
port. Specifiable interfaces are Ethernet and port channel.
1.
2.
preemption delay
Sets the automatic preemption or timer preemption wait time.
Setting the time enables automatic or timer preemption.
1.
2.
Default behavior
Uplink redundancy is disabled.
Impact on communication
None
When the change is applied
The change is applied immediately after setting values are changed.
566
<Channel group#>
Default value when this parameter is omitted:
This parameter cannot be omitted.
Range of values:
<IF#>: See Specifiable values for parameters.
<Channel
group#>: See Specifiable values for parameters.
<Seconds>
Default value when this parameter is omitted:
Manual preemption is performed by using the
operation command.
interface
Range of values:
0 (seconds): Automatic preemption
1 to 300 (seconds): Timer preemption
} [ preemption delay
<IF#>
| port-channel
select switchport backup
<IF#>
|
<Seconds>
]
<Channel group#>
}
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