Patent ID: 8098656

Claim:
A method of implementing a Layer 2 (L2) Virtual Private Network Virtual Local Area Network (VPN-VLAN) on a routed network, the method comprising the steps of: configuring a Virtual Routing and Forwarding (VRF) process in a network element on the routed network, the VRF process being associated with the VPN-VLAN on the routed network and having a service Internet Protocol (IP) address, the VPN-VLAN having a VPN-VLAN identifier (VPN-VLAN ID) on the routed network; learning, by the VRF process, one or more User-to-Network Interface Virtual Local Area Networks (UNI-VLANs) on one or more physical ports of the network element and associating, by the VRF process, the one or more UNI-VLANs with the VPN-VLAN on the routed network; learning, by the VRF process, the VPN-VLAN ID on one or more logical ports of the network element, each of the logical ports being associated with a service IP address of another VRF process on another network element on the routed network.