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Routing & Switching · Intermediate

Object Tracking

Cisco feature that monitors the state of an interface, route or IP SLA and lets other features react to it.

Definition

A track object reports up or down based on line protocol, IP routing state, route reachability or IP SLA results. Static routes, HSRP, VRRP, GLBP and PBR can reference a track object to withdraw a route or decrement priority. Delay settings dampen flapping.

Example

ip route 0.0.0.0 0.0.0.0 203.0.113.1 track 1

Exam tip

HSRP tracking decrements priority; preemption must be enabled on the standby for failover to occur.

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