C
HAPTER
27
| Link Aggregation Commands
Dynamic Configuration Commands
– 1000 –
lacp admin-key
(Ethernet Interface)
This command configures a port's LACP administration key. Use the no
form to restore the default setting.
SYNTAX
lacp {actor | partner} admin-key key
no lacp {actor | partner} admin-key
actor - The local side an aggregate link.
partner - The remote side of an aggregate link.
key - The port admin key must be set to the same value for ports
that belong to the same link aggregation group (LAG).
(Range: 0-65535)
DEFAULT SETTING
Actor: 1, Partner: 0
COMMAND MODE
Interface Configuration (Ethernet)
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.
◆ Once the remote side of a link has been established, LACP operational
settings are already in use on that side. Configuring LACP settings for
the partner only applies to its administrative state, not its operational
state.
EXAMPLE
Console(config)#interface ethernet 1/5
Console(config-if)#lacp actor admin-key 120
Console(config-if)#
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