实例拓扑如下：

Core-1 配置

1. Access the terminal session with Core-1 and move to the global configuration context.
2. Establish the settings indicated in the table.
   Core-1(config)# spanning-tree config-name aruba
   Core-1(config)# spanning-tree config-revision 1
   Core-1(config)# spanning-tree instance 1 vlan 11
   Core-1(config)# spanning-tree instance 2 vlan 12
   Core-1(config)# spanning-tree instance 1 priority 0
   Core-1(config)# spanning-tree instance 2 priority 1

验证:
Core-1(config)# show spanning-tree mst-config
MST Configuration Identifier Information
MST Configuration Name : aruba
MST Configuration Revision : 1
MST Configuration Digest : 0xBE0284D20F4D46A8DA89C5D9B3B4F78A
IST Mapped VLANs : 1-10,13-4094
Instance ID Mapped VLANs

1 11
2 12

Core-2 配置

Core-2(config)# spanning-tree config-name aruba
Core-2(config)# spanning-tree config-revision 1
Core-2(config)# spanning-tree instance 1 vlan 11
Core-2(config)# spanning-tree instance 2 vlan 12
Core-2(config)# spanning-tree instance 1 priority 1
Core-2(config)# spanning-tree instance 2 priority 0

Core-2(config)# show spanning-tree mst-config
MST Configuration Identifier Information
MST Configuration Name : aruba
MST Configuration Revision : 1
MST Configuration Digest : 0xBE0284D20F4D46A8DA89C5D9B3B4F78A
IST Mapped VLANs : 1-10,13-4094
Instance ID Mapped VLANs

1 11
2 12

Access-1和Access-2 配置

Access-1(config)# spanning-tree config-name hpe
Access-1(config)# spanning-tree config-revision 1
Access-1(config)# spanning-tree instance 1 vlan 11
Access-1(config)# spanning-tree instance 2 vlan 12

Access-2(config)# spanning-tree config-name hpe
Access-2config)# spanning-tree config-revision 1
Access-2(config)# spanning-tree instance 1 vlan 11
Access-2(config)# spanning-tree instance 2 vlan 12