CLI Reference Guide    Redundancy Configuration Commands 
 
This command allows you to select the slot in which the supervisor 
engine serves as the master supervisor engine and that as the slave 
supervisor  engine,  or  the  slot  in  which  the  supervisor  engine  is 
superior to that in another slot as the master board. 
Ruijie# redundancy  forceswitch 
Proceed with switchover to standby PRE? [confirm]y 
Reset the master supervisor engine. 
switchover timeout 
In the redundancy configuration mode, use the switchover timeout command to configure the switchover timeout 
value for the supervisor engine. Use the no form of this command to restore the timeout to the default value. 
switchover timeout timeout-period 
no switchover timeout 
Switchover timeout in the range 160 to 25,000 
( milliseconds).   
Redundancy configuration mode. 
When the slave device has not received a heartbeat message of the 
master device within the timeout period, the switchover will occur. If 
you are not sure, do no modify the default value.