h3cCBQoSIfApplyPolicyEnableDynamic 1.3.6.1.4.1.43.45.1.10.2.65.2.1.4.1.1.4

If the value of it is specified 'true',Enable dynamic qos policy. 'unavailable' is returned if device don't support dynamic QoS. 'unavailable' can't be set.