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Cisco ME 3800X and ME 3600X Switch Command Reference
OL-28238-01
Chapter 2 Cisco ME 3800X and ME 3600X Switch Cisco IOS Commands
rep lsl-age-timer
rep lsl-age-timer
To configure the Link Status Layer (LSL) age timer for the time period that the Resilient Ethernet
Protocol (REP) interface remains up without receiving a hello from the REP neighbor, use the rep
lsl-age-timer command in interface configuration mode on a REP port. To return to the default time, use
the no form of this command.
rep lsl-age timer value
no rep lsl-age timer
Syntax Description
Defaults The REP link shuts down if it does not receive a hello message from a neighbor for 5000 ms.
Command Modes Interface configuration
Command History
Usage Guidelines The LSL hello timer is set to the age-timer value divided by 3 so that there should be at least two LSL
hellos sent during the LSL age timer period. If no hellos are received within that time, the REP link shuts
down.
In Cisco IOS Release 12.2(52)SE, the LSL age-timer range changed from 3000 to 10000 ms in 500-ms
increments to 120 to 10000 ms in 40-ms increments. If the REP neighbor device is not running Cisco
IOS Release 12.2(52)SE or later, you must use the shorter time range because the device does not accept
values out of the earlier range.
EtherChannel port channel interfaces do not support LSL age-timer values less than 1000 ms. If you try
to configure a value less than 1000 ms on a port channel, you receive an error message and the command
is rejected.
You can verify the configured ageout time by entering the show interfaces rep detail privileged EXEC
command.
Examples This example shows how to configure the REP LSL age timer on a REP link to 7000 ms:
Switch (config)# interface gigabitethernet0/2
Switch (config-if)# rep lsl-age-timer 7000
Switch (config-if)# exit
value The age-out time in milliseconds. The range is from 920 to 10000 ms in 40-ms
increments. The default is 5000 ms (5 seconds).
Release Modification
12.2(52)EY This command was introduced.
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