Created by: User
Link status: Up
Port operation status: Up
Operation speed-duplex: 1000full
Flow control type: None
Member Ports: Eth1/9, Eth1/10,
Console#
Enabling LACP on Selected Ports
Command Usage
• To avoid creatin g a loop in the network, be sure
you enable LACP before connecting the ports,
and also disconnect the ports before disabling
LACP.
• If the target switch has also enabled LAC P on the
connected ports, the trunk will be activated
automatically.
• A trunk formed w ith another switch usin g LACP
will automatically be assigned the next available
trunk ID.
• If more than eight ports at tached to the s ame
CLI – This example creates trunk 1 with ports 9 and 10. Jus t connect th ese ports to
two static trunk ports on another switch to form a trunk.
Console(config)#interface port-channel 1
Console(config-if)#exit
Console(config)#interface ethernet 1/9
Console(config-if)#channel-group 1
Console(config-if)#exit
Console(config)#interface ethernet 1/10
Console(config-if)#channel-group 1
Console(config-if)#end
Console#show interfaces status port-channel 1
Information of Trunk 1
Basic information:
27-1
27-1
28-2
27
-
9
Port type:
Mac address:
Configuration:
Name:
Port admin:
Speed-duplex:
Capabilities:
Flow control:
Port security:
Max MAC count:
Current status:
1000T
00-30-F1-D4-73-A2
Up
Auto
10half, 10full, 100half, 100full, 1000full
Disabled
Disabled
0
dynamically
enabled
active backup
links link
configured
members
Port Configuration

8
target switch have LACP enabled, the additional ports will be placed in sta ndby
mode, and will only be enabled if one of the active links fa ils.
• All p orts on both ends of an LACP trunk must be configu red for f ull duplex , either
by forced mode or auto-negotiation.
• Trunks dynamically established through LACP will also be shown in the Membe r
List on the Trunk Membership menu (see page 8-7) .

8-8