Patent ID: 8238340

Claim:
A network comprising: a switch configured to switch traffic between a plurality of remote interfaces via a plurality of virtual interfaces associated with the remote interfaces, wherein the traffic comprises a plurality of external virtual local area network (VLAN) identifiers (VIDs) associated with the remote interfaces to select the virtual interfaces, wherein the switch is in a first network domain and the remote interfaces are in a second network domain, wherein the traffic of the remote interfaces is not switched between those remote interfaces inside the second network domain, wherein the first network is a first provider bridged network (PBN), the second network is a second PBN, and the switch comprises a port-mapping service VLAN (S-VLAN) component and a provider bridging S-VLAN component, and wherein the switch adds a second external virtual local area network (VLAN) identifier (VID) to the traffic, and sends the traffic including the second external VID to the second network domain.