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DES-7200 Configuration Guide Chapter 10 MSTP Configuration
10-46
# Set the priority for Instance 0 to 4096
DES-7200(config)# spanning-tree mst 1 priority 4096
3) Configuring Switch C
# Set interface Gi0/1 and Gi 0/2 as Trunk port and create VLAN 2 and VLAN 3
DES-7200(config)# interface fastEthernet 0/1
DES-7200(config-if)# switchport mode trunk
DES-7200(config-if)# exit
DES-7200(config)# interface fastEthernet 0/2
DES-7200(config-if)# switchport mode trunk
DES-7200(config-if)# exit
DES-7200(config)# vlan 2
DES-7200(config-vlan)# exit
DES-7200(config)# vlan 3
DES-7200(config-vlan)# exit
# Set the spanning tree to MSTP mode, VLAN 2-Instance 1 and VLAN 3-Instance 2
mapping, and set the MST configuration name to DES-7200, MST Revision Number
to 1. View the MST configurations and enable the spanning tree protocol.
DES-7200(config)# spanning-tree mode mstp
DES-7200(config)# spanning-tree mst configuration
DES-7200(config-mst)# instance 1 vlan 2
%Warning:you must create vlans before configuring instance-vlan relationship
DES-7200(config-mst)# instance 2 vlan 3
%Warning:you must create vlans before configuring instance-vlan relationship
DES-7200(config-mst)# name DES-7200
DES-7200(config-mst)# revision 1
DES-7200(config-mst)# exit
DES-7200(config)# spanning-tree
Enable spanning-tree.
# Set the highest priority for Instance 2
DES-7200(config)# spanning-tree mst 2 priority 4096