C613-50100-01 REV C Command Reference for x930 Series 644
AlliedWare Plus™ Operating System - Version 5.4.6-1.x
LINK AGGREGATION COMMANDS
LACP
TIMEOUT
lacp timeout
Overview Use this command to set the short or long timeout on a port. Ports will time out of
the aggregation if three consecutive updates are lost.
Syntax
lacp timeout {short|long}
Default The default is long timeout (30 seconds).
Mode Interface Configuration
Usage This command enables the device to indicate the rate at which it expects to receive
LACPDUs from its neighbor.
If the timeout is set to long, then the device expects to receive an update every 30
seconds, and this will time a port out of the aggregation if no updates are seen for
90 seconds (i.e. 3 consecutive updates are lost).
If the timeout is set to short, then the device expects to receive an update every
second, and this will time a port a port out of the aggregation if no updates are
seen for 3 seconds (i.e. 3 consecutive updates are lost).
The device indicates its preference by means of the Timeout field in the Actor
section of its LACPDUs. If the Timeout field is set to 1, then the device has set the
short timeout. If the Timeout field is set to 0, then the device has set the long
timeout.
Setting the short timeout enables the device to be more responsive to
communication failure on a link, and does not add too much processing overhead
to the device (1 packet per second).
NOTE: It is not possible to configure the rate that the device sends LACPDUs; the device
must send at the rate which the neighbor indicates it expects to receive LACPDUs.
Examples The following commands set the LACP long timeout period for 30 seconds on
port1.0.2.
awplus# configure terminal
awplus(config)# interface port1.0.2
awplus(config-if)# lacp timeout long
Parameter Description
timeout Number of seconds before invalidating a received LACP data unit
(DU).
short LACP short timeout. The short timeout value is 1 second.
long LACP long timeout. The long timeout value is 30 seconds.
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