Tracking Ip Route Reachability - Cisco ASR 9000 Series User Configuration Manual

Tracking IP Route Reachability

Command or Action
Tracking IP Route Reachability
When a host or a network goes down on a remote site, routing protocols notify the router and the routing table
is updated accordingly. The routing process is configured to notify the tracking process when the route state
changes due to a routing update.
A tracked object is considered up when a routing table entry exists for the route and the route is accessible.
SUMMARY STEPS
1. configure
2. track track-name
3. type route reachability
4. Use one of the following commands:
5. exit
6. (Optional) delay {up seconds|down seconds}
7. commit
DETAILED STEPS
Command or Action
Step 1
configure
Step 2
track track-name
Cisco ASR 9000 Series Aggregation Services Router System Management Configuration Guide, Release 5.1.x
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• vrf vrf-table-name
• route ipv4 IP-prefix/mask
Purpose
◦ Entering no exits the configuration session and returns
the router to EXEC mode without committing the
configuration changes.
◦ Entering cancel leaves the router in the current
configuration session without exiting or committing
the configuration changes.
• Use the commit command to save the configuration changes
to the running configuration file and remain within the
configuration session.
Purpose
Enters track configuration mode.
Implementing Object Tracking