... line access users. The MSE provides dynamic user access, user management, and user-based authentication, accounting, and QoS scheduling. In ... Gateway Protocols (IGPs), BGP and multicast routing, Virtual Router Redundancy Protocol (VRRP), Rapid Ring Protection Protocol (RRPP), ... Supports IPv4 over IPv6 tunneling and IPv6 Provider Edge Router (6PE).Supports the IPv6 static routing protocol.Supports ...