The value of tmnxBsxTransIpPlcyAddrSubscriber specifies
the name of the Transit AA subscriber associated with the
address identified by this row of the
tmnxBsxTransitIpPolicyAddrTable.
The value of tmnxBsxTransIpPlcyAddrSubscriber must exist
in the tmnxBsxTransitIpPolicySubTable and cannot be
changed after the creation of the row entry.
tmnxBsxTransIpPlcyAddrSubscriber must be present in the
same SNMP PDU as the row creation, otherwise the
creation will fail.