C
HAPTER
28
| Link Aggregation Commands
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channel-group This command adds a port to a trunk. Use the no form to remove a port
from a trunk.
SYNTAX
channel-group channel-id
no channel-group
channel-id - Trunk index (Range: 1-5)
DEFAULT SETTING
The current port will be added to this trunk.
COMMAND MODE
Interface Configuration (Ethernet)
COMMAND USAGE
â—† When configuring static trunks, the switches must comply with the
Cisco EtherChannel standard.
â—† Use no channel-group to remove a port group from a trunk.
â—† Use no interface port-channel to remove a trunk from the switch.
EXAMPLE
The following example creates trunk 1 and then adds port 10:
Console(config)#interface port-channel 1
Console(config-if)#exit
Console(config)#interface ethernet 1/10
Console(config-if)#channel-group 1
Console(config-if)#
lacp This command enables 802.3ad Link Aggregation Control Protocol (LACP)
for the current interface. Use the no form to disable it.
SYNTAX
[no] lacp
DEFAULT SETTING
Disabled
COMMAND MODE
Interface Configuration (Ethernet)
COMMAND USAGE
â—† The ports on both ends of an LACP trunk must be configured for full
duplex, either by forced mode or auto-negotiation.
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