Link Aggregation Commands
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lacp system-priority
This command configures a port's LACP system priority. Use the no form to restore
the default setting.
Syntax
lacp {actor | partner} system-priority priority
no lacp {actor | partner} system-priority
• actor - The local side an aggregate link.
• partner - The remote side of an aggregate link.
• priority - This priority is used to determine link aggregation group (LAG)
membership, and to identify this device to other switches during LAG
negotiations. (Range: 0-65535)
Default Setting
32768
Command Mode
Interface Configuration (Ethernet)
Command Usage
• Port must be configured with the same system priority to join the same LAG.
• System priority is combined with the switch’s MAC address to form the LAG
identifier. This identifier is used to indicate a specific LAG during LACP
negotiations with other systems.
• 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 (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)
Console(config)#interface ethernet 1/5
Console(config-if)#lacp actor system-priority 3
Console(config-if)#
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