l
If the target switch has also enabled LACP on the connected ports, the trunk will automatically activate.
l
If more than four ports attached to the same target switch have LACP enabled, the additional ports enter standby mode and will only be enabled if one
of the active links fails.
l
STP, VLAN, and IGMP settings can only be made for the entire trunk through the specified port-channel.
To add a port to a static trunk, click the
Static
toggle button below the port number until the correct trunk number appears. To make a port available for an
LACP trunk, click the
LACP
toggle button below the port number until an
L
appears.
To save any changes you make in this page, click
Apply Changes
. If you don't want to save the changes, click
Refresh
.
CLI Commands
The following table summarizes the equivalent CLI commands for items in the
Link Aggregation/Trunk Settings
page.
Example
Console(config)#interface port-channel 1
Console(config-if)#exit
Console(config)#interface ethernet 1/11
Console(config-if)#channel-group 1
Console(config-if)#exit
Console(config)#interface ethernet 1/8
Console(config-if)#lacp
Console(config-if)#
SNMP
The
SNMP
page contains links to the following pages:
l
Communities
l
Traps
Communities
NOTICE:
All ports on both ends of an LACP trunk must be configured for full duplex, either by forced mode or auto-negotiation.
NOTICE:
All ports participating in a trunk should have the same VLAN and CoS settings.
NOTICE:
In order for a port to join an existing trunk through LACP, the port's flow control, speed and duplex mode, and autonegotiation settings must
match those of the existing trunk.
Command
Usage
channel-group
channel-id
Adds a port to a trunk.
Use the
no form
command to remove a port from a trunk.
lacp
Enables 802.3ad LACP for the current port or trunk interface.
show interfaces status port-channel
channel-id
Displays the status of an enabled trunk interface.
