P
ORT
C
ONFIGURATION
3-119
CLI – The following example enables LACP for ports 1 to 6. Just connect
these ports to LACP-enabled trunk ports on another switch to form a
trunk.
Configuring LACP Parameters
Dynamically Creating a Port Channel –
Ports assigned to a common port channel must meet the following criteria:
• Ports must have the same LACP System Priority.
• Ports must have the same LACP port Admin Key.
• However, if the “port channel” Admin Key is set (page 4-142), then the
port Admin Key must be set to the same value for a port to be allowed
to join a channel group.
Note – If the port channel admin key (lacp admin key, page 4-181) is not set (through
the CLI) when a channel group is formed (i.e., it has a null value of 0), this key is set to
Console(config)#interface ethernet 1/1 4-156
Console(config-if)#lacp 4-177
Console(config-if)#exit
.
.
.
Console(config)#interface ethernet 1/6
Console(config-if)#lacp
Console(config-if)#end
Console#show interfaces status port-channel 1 4-165
Information of Trunk 1
Basic information:
Port type: 100TX
Mac address: 00-12-CF-12-34-89
Configuration:
Name:
Port admin: Up
Speed-duplex: Auto
Capabilities: 10half, 10full, 100half, 100full
Flow control status: Disabled
Port security: Disabled
Max MAC count: 0
Current status:
Created by: Lacp
Link status: Up
Port operation status: Up
Operation speed-duplex: 100full
Flow control type: None
Member Ports: Eth1/1, Eth1/2, Eth1/3, Eth1/4, Eth1/5, Eth1/6,
Console#
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