DES-7200 Configuration Guide Chapter 6 REUP Configuration
6-7
DES-7200(config-mst)#exit
DES-7200(config)#show spanning-tree mst configuration
Multi spanning tree protocol : Enable
Name :
Revision : 0
Instance Vlans Mapped
-------- --------------------------------------------
0 : 201-4094
1 : 1-200
-----------------------------------------------------
DES-7200(config)# interface gigabitEthernet 0/1
DES-7200(config-if)# switchport backup interface gigabitEthernet 0/2 prefer
instance 1
DES-7200(config-if)# end
DES-7200# show interfaces switchport backup
DES-7200(config-if)#show interfaces switchport backup
Switch Backup Interface Pairs:
Active Interface Backup Interface State
----------------------------------------------------------------
GigabitEthernet 0/1 GigabitEthernet 0/2 Active Up/Backup Down
Instances Preferred on Active Interface:Instance 0,2-64
Mapping VLAN 201-4094
Instances Preferred on Backup Interface:Instance 1
Mapping VLAN 1-200
Note
The instance mapping in REUP VLAN load balancing is centrally
controlled by the MSTP module. For details about instance
configuration, please refer to "MSTP Configuration Guide".