Lacp Port-Priority - Cisco Catalyst 3560-X Command Reference Manual
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Also See for Catalyst 3560-X:
- Software configuration manual (1538 pages) ,
- Command reference manual (1244 pages) ,
- Manual (276 pages)
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Chapter 2
Catalyst 3750-X and 3560-X Switch Cisco IOS Commands
lacp port-priority
Syntax Description
Defaults
Command Modes
Command History
Usage Guidelines
Note
OL-21522-02
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Use the lacp port-priority interface configuration command on the switch stack or on a standalone
switch to configure the port priority for the Link Aggregation Control Protocol (LACP). Use the no form
of this command to return to the default setting.
lacp port-priority priority
no lacp port-priority
priority
The default is 32768.
Interface configuration
Release
12.2(53)SE2
The lacp port-priority interface configuration command determines which ports are bundled and which
ports are put in hot-standby mode when there are more than eight ports in an LACP channel group.
An LACP channel group can have up to 16 Ethernet ports of the same type. Up to eight ports can be active,
and up to eight ports can be in standby mode.
In port-priority comparisons, a numerically lower value has a higher priority: When there are more than
eight ports in an LACP channel-group, the eight ports with the numerically lowest values (highest
priority values) for LACP port priority are bundled into the channel group, and the lower-priority ports
are put in hot-standby mode. If two or more ports have the same LACP port priority (for example, they
are configured with the default setting of 65535) an internal value for the port number determines the
priority.
The LACP port priorities are only effective if the ports are on the switch that controls the LACP link.
See the lacp system-priority global configuration command for determining which switch controls the
link.
Use the show lacp internal privileged EXEC command to display LACP port priorities and internal port
number values.
For information about configuring LACP on physical ports, see the "Configuring EtherChannels"
chapter in the software configuration guide for this release.
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Port priority for LACP. The range is 1 to 65535.
Modification
This command was introduced.
Catalyst 3750-X and 3560-X Switch Command Reference
lacp port-priority
2-319
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