Preempt (Vrrp) - Juniper EX9200 Features Manual

High Availability Feature Guide for EX9200 Switches

preempt (VRRP)

Syntax
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Description
Default
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Related
Documentation
272
(preempt | no-preempt) {
hold-time seconds;
}
[edit interfaces interface-name unit logical-unit-number family inet address address
vrrp-group group-id],
[edit interfaces interface-name unit logical-unit-number family inet6 address address
vrrp-inet6-group group-id],
[edit logical-systems logical-system-name interfaces interface-name unit logical-unit-number
family inet address address
[edit logical-systems logical-system-name interfaces interface-name unit logical-unit-number
family inet6 address address
Statement introduced before Junos OS Release 7.4.
Statement introduced in Junos OS 11.3 for the QFX Series.
Statement introduced in Junos OS Release 14.1x53-D20 for the OCX Series.
In a Virtual Router Redundancy Protocol (VRRP) configuration, determine whether or
not a backup router can preempt a master router:
preempt —Allow the master router to be preempted.
NOTE: By default, a higher-priority backup router can preempt a
lower-priority master router.
no-preempt —Prohibit the preemption of the master router. When
configured, the backup router cannot preempt the master router even if the backup
router has a higher priority.
The remaining statement is explained separately.
By default the preempt statement is enabled, and a higher-priority backup router preempts
a lower-priority master router even if the
interface—To view this statement in the configuration.
interface-control—To add this statement to the configuration.
Configuring a Backup Router to Preempt the VRRP Master Router on page 138
Configuring VRRP Preemption and Hold Time
vrrp-group group-id],
vrrp-inet6-group group-id]
statement is not explicitly configured.
preempt
no-preempt is
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