Installation manual

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• 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, and will only take effect the next
time an aggregate link is established with the partner.
Example
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 {actor | partner} admin-key key
[no] lacp {actor | partner} 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 ethernet 1/5
Console(config-if)#lacp actor admin-key 120
Console(config-if)#
Console(config)#interface port-channel 1
Console(config-if)#lacp actor admin-key 3
Console(config-if)#