Configuring A Route To Be Tracked For A Vrrp Group; Table 8: Interface State And Priority Cost Usage - Juniper EX9200 Features Manual

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Configuring a Route to Be Tracked for a VRRP Group

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Table 8: Interface State and Priority Cost Usage

Tracked Interface State
Down
Not down; media speed below one or more
bandwidth thresholds
You must configure an interface priority cost only if you have configured no bandwidth
thresholds. If you have not configured an interface priority cost value, and the interface
is down, the interface uses the bandwidth threshold priority cost value of the lowest
bandwidth threshold.
Release Description
15.1 In Junos OS Release 15.1 and later, an adjusted priority can be zero.
Understanding VRRP on page 119
Configuring a Route to Be Tracked for a VRRP Group on page 143
Configuring VRRP on page 150
VRRP can track whether a route is reachable (that is, the route exists in the routing table
of the routing instance included in the configuration) and dynamically change the priority
of the VRRP group based on the reachability of the tracked route, triggering a new master
router election.
To configure a route to be tracked, include the following statements:
track {
priority-hold-time seconds;
route prefix/prefix-length routing-instance instance-name priority-cost priority;
}
You can include these statements at the following hierarchy levels:
[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
Chapter 14: Configuring VRRP
Priority Cost Usage
priority-cost priority
Priority cost of the lowest applicable bandwidth
threshold
vrrp-group group-id]
vrrp-inet6-group group-id]
143