L
INK
A
GGREGATION
C
OMMANDS
25-8
lacp admin-key (Port Channel)
This command configures a port channel's LACP administration key
string. Use the no form to restore the default setting.
Syntax
lacp admin-key key
[no] lacp admin-key
key - The port channel admin key is used to identify a specific link
aggregation group (LAG) during local LACP setup on this switch.
(Range: 0-65535)
Default Setting
0
Command Mode
Interface Configuration (Port Channel)
Command Usage
• Ports are only allowed to join the same LAG if (1) the LACP system
priority matches, (2) the LACP port admin key matches, and (3) the
LACP port channel key matches (if configured).
• If the port channel admin key (lacp admin key - Port Channel) is not
set when a channel group is formed (i.e., it has the null value of 0), this
key is set to the same value as the port admin key (lacp admin key -
Ethernet Interface) used by the interfaces that joined the group. Note
that when the LAG is no longer used, the port channel admin key is
reset to 0.
Example
Console(config)#interface port-channel 1
Console(config-if)#lacp admin-key 3
Console(config-if)#
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