In a stack containing multiple fixed switches, you can manually switch the master and standby switches during software upgrade or system maintenance. After the active/standby switchover is complete, the original master switch joins the stack after restarting, and the original standby switch becomes the new master switch.
During software upgrade or system maintenance, you can manually perform an active/standby switchover on MPUs. After the active/standby switchover is performed, the running active MPU restarts. The standby MPU becomes the new active MPU.
# To perform an active/standby switchover in the system, run the following commands.
<HUAWEI> system-view [HUAWEI] slave switchover enable [HUAWEI] slave switchover Warning: This operation will switch the slave board to the master board. Continue? [Y/N]:y
More Information: S Series Switches Common Operation Guide
