C
HAPTER
28
| Link Aggregation Commands
Dynamic Configuration Commands
– 1010 –
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
â—† 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.
â—† 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
Console(config)#interface ethernet 1/5
Console(config-if)#lacp actor system-priority 3
Console(config-if)#
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)
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