Using link state information to discover IP network topology

Using signal characteristics to determine the physical...

Using spanning tree protocol (STP) to enhance layer-2...

Utilizing bandwidth in ring network using path cost and...

Value-added features for the spanning tree protocol

Value-added features for the spanning tree protocol

Virtual IP topology reconfiguration migration

Virtual L2TP/VPN tunnel network and spanning tree-based...

Virtual LAN creation device

Virtual local area network membership registration protocol...

Virtual local area network membership registration protocol...

Virtual local area network with trunk stations

Virtual network addresses

Virtual network architecture for space data processing

Virtual private LAN service over ring networks

Virtual private networks and methods for their operation

Virtual private networks within a packet network having a...

Virtual private networks within a packet network having a...

Virtual root bridge

Virtual trees routing protocol for an ATM-based mobile network