Patent ID: 9014054
Filing Date: 2015-04-21
Classification: H04L

Abstract:
1. In a network component, a method comprising: receiving a frame from a first host in a first site of a Layer 2 network that is intended for a target host in a second site of the same Layer 2 network; mapping a Layer not maintaining a Layer 2 DA for the target host and a plurality of other Layer 2 DA for a plurality of other hosts in the second site of the same Layer 2 network, using the address of the L2GW in the frame as a DA for the target host; and sending the frame as a second frame using the address of the L2GW, wherein the second frame is sent towards the L2GW in the second site of the Layer 2 network via a service network connected to the first site of the Layer 2 network and the second site of the Layer 2 network, wherein the frame is received in the first site of the Layer 2 network, and wherein the frame received from the first host comprises a DA field that references an address of the network component or the address of the L2GW.