Lenovo Flex System Fabric CN4093 Application Manual page 183

4. Configure port on Switch A connecting to Layer 2/3 router 2.
5. Configure ports on Switch A connecting to downstream VLAG switches C and D.
6. Configure ports on Switch B connecting to downstream switches E and F.
7. Configure ISL between switches C and D, and between E and F as shown in Step 1.
8. Configure the Switch G as shown in Step 2.
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CN4093(config)# vlan 20
VLAN number 20 with name "VLAN 20" created
VLAN 20 was assigned to STG 20
CN4093(config­vlan)# exit
CN4093(config)# interface port 1,2,6
CN4093(config­if)# switchport mode trunk
CN4093(config­if)# exit
CN4093(config)# interface port 6
CN4093(config­if)# lacp key 500
CN4093(config­if)# lacp mode active
CN4093(config­if)# exit
CN4093(config)# vlag adminkey 500 enable
Repeat these steps on Switch B for ports connecting to Layer 2/3 router 2.
CN4093(config)# vlan 20
CN4093(config­vlan)# exit
CN4093(config)# interface port 10,11
CN4093(config­if)# switchport mode trunk
CN4093(config­if)# lacp key 600
CN4093(config­if)# lacp mode active
CN4093(config­if)# exit
CN4093(config)# vlag adminkey 600 enable
Repeat these steps on Switch B for ports connecting to downstream VLAG switch
C and D.
CN4093(config)# vlan 30
CN4093(config­vlan)# exit
CN4093(config)# interface port 15­18
CN4093(config­if)# switchport mode trunk
CN4093(config­if)# lacp key 700
CN4093(config­if)# lacp mode active
CN4093(config­if)# exit
Chapter 12: Virtual Link Aggregation Groups
183