QoS specifying reserved bandwidth for a class belonging to a policy-map
When implementing QoS, to specify the bandwidth allocated for a class belonging to a policy map, use the
bandwidth command in policy-map class configuration mode. There are three ways in which to allocate bandwidth:
bandwidthspecify a specific bandwidth in kbps. This delivers an absolute bandwidth value. The allowed values vary according to the interface and platform in use.
bandwidth percentspecify an absolute percentage of the available bandwidth. This is a percentage of the interface bandwidth and is unchanging throughout the duration of the operation.
bandwidth remaining percentspecify a percentage of the remaining bandwidth. This is a relative value which depends upon the max reserve bandwidth, which is 75% by default, and upon any unused bandwidth from other classes.