Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yibin Yang0
Munish Mehta0
Norman W. Finn0
Date of Patent
February 22, 2011
0Patent Application Number
123949240
Date Filed
February 27, 2009
0Patent Primary Examiner
Patent abstract
In one embodiment, a bridge in a computer network may execute a spanning tree protocol (STP) for network topology and a registration protocol for traffic control of virtual connections (e.g., EVCs) at the bridge. For any gateway ports of the bridge inter-connected with a provider network, the bridge may generate “fake” received registration protocol join messages for a particular virtual connection at the gateway port. The bridge may then either i) propagate the join messages, in response to the gateway port being in a forwarding state according to the STP, on other forwarding ports of the bridge, or ii) in response to the gateway port not being in a forwarding state, block propagation of the join messages to other ports of the bridge.
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