This is the sustained rate permitted by the
traffic shaping. Writing to this object also
requires writing a value of true(1) to
cportQosTSConfigEnable at the same time.
This object is deprecated and replaced by cbQosTSCfgRate
in CISCO-CLASS-BASED-QOS-MIB.
cbQosTSCfgRate is in CbQosTSCfgEntry, which can be queried
by using ifIndex and cbQosPolicyDirection in same
fashion as mentioned in cportQosTSConfigEnable.