Description: This object defines the role of a bridge port.

The role on a bridge port role can be defined as
subscriber or network as follows:

Subscriber:
----------
A port on the IP DSLAM or Aggregator that faces toward
or directly connects to a DSL interface on which an end
user (subscriber) would be located.

This would typically be the DSL ports directly on a unit
or the ports on an aggregator that connect to another DSLAM.

Network:
-------
A Port that connects to the service providers network,
aggregation device or to a shared resource such as a server.