Preempt-Mode - Allied Telesis x510-28GTX Command Reference Manual

VRRP C
OMMANDS
-
PREEMPT MODE

preempt-mode

Overview Use this command to configure preempt mode. If preempt-mode is set to true,
then the highest priority backup will always be the master when the default master
is unavailable.
If preempt-mode is set to false, then a higher priority backup will not preempt a
lower priority backup who is acting as master.
preempt-mode {true|false}
Syntax
Default The default is true.
Mode Router Configuration
Usage When the master router fails, the backup routers come online in priority
order—highest to lowest. Preempt mode means that a higher priority back up
router will take over the master role from a lower priority back up. Preempt mode
on true allows a higher priority backup router to relieve a lower priority backup
router.
By default, a preemptive scheme is enabled whereby a higher priority backup
virtual router that becomes available take over for the backup virtual router that
was elected to become the master virtual router.
This preemptive scheme can be disabled using the preempt-mode false
command. If preemption is disabled, the backup virtual router that is currently
elected as the master virtual router does not transition to backup virtual router
again whenever the alternate backup router with a higher priority becomes
available.
See the
about:
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Examples The example below shows you how to configure preempt-mode as true for VRRP
VR ID 5 on vlan2:
awplus#
awplus(config)#
awplus(config-router)#
C613-50170-01 Rev B
Parameter Description
true
Preemption is enabled.
false
Preemption is disabled.
VRRP Feature Overview and Configuration Guide
VRRPv3 IPv4 configuration details
VRRPv3 IPv6 configuration details
preempt mode
configure terminal
router vrrp 5 vlan2
Command Reference for x510 Series
AlliedWare Plus™ Operating System - Version 5.4.7-1.x
preempt-mode true
for more information
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