AA policers

Bandwidth or flow limitation

Policers allow IP traffic on an interface to be limited.

AA policers can be bandwidth or flow limiting, and can have one of the following scopes:

• system scope—limits all traffic entering an ISA-AA MDA

• subscriber scope—limits apply only to the traffic of a subscriber

After a policer is assigned by an AQP for one traffic direction, the same policer cannot be assigned in the other direction. AQP rules with policer actions must specify a traffic direction other than “both”.

Congestion override

Congestion override can be configured on an AA policer with a subscriber scope. The policer is triggered when the subscriber ANL is in a congestion state. You can configure the congestion thresholds in the policer configuration form. Congestion override configuration can assist with DEM.

Note: If both congestion override and ToD override are configured and conflict, the congestion override will take precedence.

See To configure an AA policer for configuration information.