Technical Documentation

preempt

Syntax

(preempt | no-preempt) {hold-time seconds;}

Hierarchy Level

[edit interfaces interface-name unit logical-unit-number family (inet | inet6) address address (vrrp-group | vrrp-inet6-group) group-id],[edit logical-systems logical-system-name interfaces interface-name unit logical-unit-number family (inet | inet6) address address (vrrp-group | vrrp-inet6-group) group-id]

Release Information

Statement introduced before JUNOS Release 7.4.

Description

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.
  • no-preempt—Prohibit the preemption of the master router.

The remaining statement is explained separately.

Default

If you omit this statement, the backup router cannot preempt a master router.

Usage Guidelines

See Configuring a Backup Router to Preempt the Master Router.

Required Privilege Level

interface—To view this statement in the configuration.

interface-control—To add this statement to the configuration.


Published: 2010-01-13