Introduction Quidway NetEngine40 Universal Switching Router (NE40) is used for the edge of the IP backbone network and the MAN core, the MAN convergence, backbone network convergence and the core networks of any business or enterprises. It adopts the Huawei Versatile Routing Platform (VRP), featuring the line rate on the high-speed interface, the comprehensive Quality of Service (QoS) mechanism and carrier-level availability. The NE40 has the following features: l Rich service capability The NE40 has the rich service capability, such as the MultiProtocol Label Switching Virtual Private Network (MPLS VPN), Virtual Private LAN Segment (VPLS), L2VPN/PWE3, MPLS Traffic Engineering (MPLS TE), the line rate of Network Address Translation (NAT), the Ethernet switching, IP VPN and the multicast service. l Mature IPv4/IPv6 compatibility The NE40 supports the Internet Protocol version 4 (IPv4) and the Internet Protocol version 6 (IPv6). The NE40 supports three tunnel modes of IPv6