H3C Technologies H3C S7500E Series Switches - Manual (Page 53)

3-11
# Perform a master/slave switchover between OLT 3/0/1 and OLT 3/0/2.
[Sysname-fiber-group1] port switch-over
[Sysname-fiber-group1] display fiber-backup group 1
fiber backup group 1 information:
Member Role State
-----------------------------------------
Olt3/0/2 MASTER ACTIVE
Olt3/0/1 SLAVE READY
# Shut down OLT 3/0/2. You can see that OLT 3/0/1 becomes the new master port.
[Sysname-fiber-group1] quit
[Sysname] interface olt3/0/2
[Sysname-Olt3/0/2] shutdown
[Sysname-Olt3/0/2] display fiber-backup group 1
fiber backup group 1 information:
Member Role State
-----------------------------------------
Olt3/0/1 MASTER ACTIVE
Olt3/0/2 SLAVE DOWN