This attribute is migrated to the AtmTmProv group.
This attribute specifies the type of traffic management which is
applied to the receive direction of this connection as defined in the
ATM Forum. The rxTrafficDescType determines the number and
meaning of the parameters in the rxTrafficDescParm attribute
When sameAsTx is selected, the rxTrafficDescType as well as the
rxTrafficDescParm are taken from the transmit values.