Command Reference REUP Commands
1.14 switchport backup interface preemption
Use this command to configure the REUP link preemption function.
switchport backup interface interface-id preemption mode { forced | bandwidth | off }
switchport backup interface interface-id preemption delay
no switchport backup interface interface-id preemption delay
The interface id of the backup link.
The preemption delay time.
The default preemption delay time is 35s.
Interface configuration mode.
The preemption mode includes forced, bandwidth and off. In the bandwidth preemption mode, the
interface with high bandwidth has priority over other interfaces to transmit the data. In the forced
preemption mode, the primary has priority over backup interfaces to transmit the data. No preemption
event occurs in the off preemption mode. By default, the preemption mode is off.
The preemption delay refers to the delay time of the link switchover after the restoration of the link
failure.
The following example shows how to set the dual link backup, with fa 0/1 and fa 0/2 as the primary
interface and backup interface, set the bandwidth preemption mode and 40s preemption delay:
Ruijie(config)# interface fa 0/1
Ruijie(config-if)# switchport backup interface fa 0/2
preemption mode bandwitdh
Ruijie(config-if)# switchport backup interface fa 0/2
preemption delay 40
show interface switchport backup
Displays the dual link backup configuration.
To Next Page
Loading...
Need help?
General