Method to Setup LSP using VLAN Tag Switching
Matsushita
This document describes a method to setup a Layer 2 tunnel over networks based on Ethernet technology. For this purpose, the ports of an Ethernet switch are configured to forward VLAN tag-labeled packets incoming from a certain port to another unambiguous port by using VLAN tag information. The Ethernet switches themselves are a part of the Label Switching Routers (LSRs), which distribute the VLAN tags using Label Distribution Protocol (LDP). To enable LDP to fulfil this function, an LDP extension is proposed. The introduced method simplifies the transport of Ethernet frames over wide area Ethernet networks.