User Guide 120
Configuring LAG Configuration Examples
Switch(config-if)#lacp port-priority 1
Switch(config-if)#exit
5) Add port 1/0/10 to LAG 1 and set the mode as LACP. Then specify the port priority as 2
to set it as a backup port. The priority of this port is lower than port 1/0/9.
Switch(config)#interface gigabitEthernet 1/0/10
Switch(config-if)#channel-group 1 mode active
Switch(config-if)#lacp port-priority 2
Switch(config-if)#end
Switch#copy running-config startup-config
Verify the Configuration
Verify the system priority:
Switch#show lacp sys-id
0, 000a.eb13.2397
Verify the LACP configuration:
Switch#show lacp internal
Flags: S - Device is requesting Slow LACPDUs
F - Device is requesting Fast LACPDUs
A - Device is in active mode
P - Device is in passive mode
Channel group 1
Port Flags State LACP Port Priority Admin Key Oper Key Port Number Port State
Gi1/0/1 SA Down 0 0x1 0 0x1 0x45
Gi1/0/2 SA Down 0 0x1 0 0x2 0x45
Gi1/0/3 SA Down 0 0x1 0 0x3 0x45
Gi1/0/4 SA Down 0 0x1 0 0x4 0x45
Gi1/0/5 SA Down 0 0x1 0 0x5 0x45
Gi1/0/6 SA Down 0 0x1 0 0x6 0x45
Gi1/0/7 SA Down 0 0x1 0 0x7 0x45
Gi1/0/8 SA Down 0 0x1 0 0x8 0x45
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