This attribute is migrated to the AtmTmProv group.
This attribute only applies when this connection is unshaped. This
attribute defines the transmit queueing method for this connection if
it is unshaped. Refer to the unshapedTransmitQueueing attribute
under the AtmIf for more details on the meaning of this attribute.
When this attribute is set to sameAsInterface, the value from the
AtmIf is used.
When this attribute is set to common, transmit traffic on this
unshaped connection is destined for the common queue.