A system assigned Bridge Port number, unique in the context of
a Bridge component, used in a Port Identifier.
id-priority
uint8
Priority for Bridge and Bridge Port identifiers. Lower numeric
values indicate the better identifier.
port-role
enumeration
The Port Role assigned by the Bridge's spanning tree protocol entity
for a given spanning tree.
port-state
enumeration
The Port State for frames assigned to a given spanning tree,
governing submission of frames received by the port to the Learning
and Forwarding Processes and relay of frames to the port by the
Forwarding Process.