FP4-based cards

To optimize both scale and performance, policy match-criteria entries configured by the operator are compressed by each FP4 line card before being installed in hardware.

This compression can result, in an unexpected scenario typically only achieved in a lab environment, in an overload condition where entries for a line card QoS policy on a line card FP are not programmed. This overload condition can occur when applying a QoS policy for the first time on a line card FP or when adding entries to a QoS policy.