hwXQoSCpCarPbs 1.3.6.1.4.1.2011.5.25.32.4.1.3.3.1.6

Peak Burst Size. Unit: byte. 64..4000000.(default:cbs when Peak Information Rate configured) Only hardware QoS support this node. -1 is returned only when getting value from software QoS. -1 can't be set. 0 is the default value