1. Configure VLAG tier ID and enable VLAG globally.
2. Configure ISL ports on Switch A.
3. Configure port on Switch A connecting to Layer 2/3 router 1.
4. Configure port on Switch A connecting to Layer 2/3 router 2.
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CN 4093(config)# vlag tier-id 10
CN 4093(config)# vlag enable
CN 4093(config)# interface port 1,2
CN 4093(config-if)# switchport mode trunk
CN 4093(config-if)# lacp key 200
CN 4093(config-if)# lacp mode active
CN 4093(config-if)# exit
CN 4093(config)# vlag isl adminkey 200
CN 4093(config-vlan)# exit
CN 4093(config)# vlan 10
VLAN number 10 with name "VLAN 10" created
VLAN 10 was assigned to STG 10
CN 4093(config-vlan)# exit
CN 4093(config)# interface port 1,2,5
CN 4093(config-if)# switchport mode trunk
CN 4093(config-if)# exit
CN 4093(config)# interface port 5
CN 4093(config-if)# lacp key 400
CN 4093(config-if)# lacp mode active
CN 4093(config-if)# exit
CN 4093(config)# vlag adminkey 400 enable
Repeat these steps on Switch B for ports connecting to Layer 2/3 router 1.
CN 4093(config)# vlan 20
VLAN number 20 with name "VLAN 20" created
VLAN 20 was assigned to STG 20
CN 4093(config-vlan)# exit
CN 4093(config)# interface port 1,2,6
CN 4093(config-if)# switchport mode trunk
CN 4093(config-if)# exit
CN 4093(config)# interface port 6
CN 4093(config-if)# lacp key 500
CN 4093(config-if)# lacp mode active
CN 4093(config-if)# exit
CN 4093(config)# vlag adminkey 500 enable
Repeat these steps on Switch B for ports connecting to Layer 2/3 router 2.
Chapter 11: Virtual Link Aggregation Groups
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