access-tracking
To configure object tracking for detecting access connectivity for the specific SRG, use the access-tracking
command in subscriber redundancy group configuration mode. To remove the object tracking configuration,
use the no form of this command.
access-tracking access-tracking-obj
no access-tracking access-tracking-obj
Syntax Description
Access tracking object for the specific SRG.
access-tracking-obj
Command Default
None
Command Modes
Subscriber redundancy group configuration.
Command History
ModificationRelease
This command was introduced.Release 5.2.2
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes appropriate task
IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator
for assistance.
Object tracking feature allows correlation of the role of BNG SRG with the role or status of the underlying
access-interface, and it is the key for automatic switchovers and for handling failure scenarios.
You must configure the track object first and then configure that track object under the SRG which holds that
particular interface. This ensures that SRG master or slave role follows the underlying access role.
Advertisement of the summary route for the subscriber address/subnet pool can be also controlled through
the same access-tracking object (See example section). This ensures that the subscriber summary route (or
routes) is activated only when the underlying access is up or active and only then it is re-distributed into core
routing. The slave does not advertise the route into the core.
For details on configuring track object, see Cisco ASR 9000 Series Aggregation Services Router System
Management Configuration Guide.
Task ID
OperationTask ID
read, writeconfig-services
Cisco ASR 9000 Series Aggregation Services Router Broadband Network Gateway Command Reference, Release
5.2.x
511
Subscriber Commands
access-tracking
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