The value of tAdvCfgAbvOffCapPirPrcnt specifies the percentage of the
child's administrative PIR that should be fair share increase limit,
capped by the child's PIR.
When the value of tAdvCfgAbvOffCapPirPrcnt is set to '0', the system
disables the fair share increase function and configures the actual
distribution rate.
When the value of tAdvCfgAbvOffCapPirPrcnt is set to '10000', the
fair share operational PIR rate increase limit from all child policers
and queues associated with tAdvCfgPolicyName policy are removed.