hwCBQoSIfApplyPolicyEnableDynamic 1.3.6.1.4.1.43.45.1.5.25.32.1.1.4.1.1.4

If the value of it is specified 'true', enable dynamic qos policy. -1(unavailable) is returned if device doesn't support dynamic QoS. -1(unavailable) can't be set.