Network device providing access to both layer 2 and layer 3 services on a single physical interface

摘要: A network node includes a first port and second port, the being operable to carry type of data traffic over main physical interface, including Layer 2 services. The is simultaneously sub-interface interface. consisting 3 services that include point-to-point (P2P), point-to-multipoint (P2MP), multipoint It emphasized this abstract provided comply with rules requiring an will allow searcher or other reader quickly ascertain subject matter technical disclosure. submitted understanding it not be used interpret limit scope meaning claims.