rldot1dStpVlanPortPriority 1.3.6.1.4.1.9.6.1.101.57.2.7.1.3

The value of the priority field which is contained in the more significant 4 bits of the most significant octet of the (2 octet long) Port ID. The other octet of the Port ID is given by the value of rldot1dStpVlanPort.