The value of vRtrIfQosQGrp specifies the name of the QoS queue-group
(TIMETRA-QOS-MIB::tQosEgrQGroupName) used with this interface.
An 'inconsistentValue' error is returned if this object is set to a
non-default value and an entry corresponding to vRtrIfPortID does
not exist in TIMETRA-PORT-MIB::tPortNetEgrQGrpTable.
This object is obsoleted in release 10.0 and replaced with object
vRtrIfQosEgrPortRedirectQGrp.