Layer 2 Tunnel Protocol Version 3 (L2TPv3) Interface 485 ^l2tpeth[0-9]+$ L2TPv3 interface must be named l2tpethN l2tpethN L2TPv3 interface name #include #include UDP destination port for L2TPv3 tunnel u32:1-65535 Numeric IP port 5000 #include Encapsulation type udp ip udp UDP encapsulation ip IP encapsulation ^(udp|ip)$ Encapsulation must be UDP or IP udp #include #include #include #include 1488 Peer session identifier u32:1-429496729 L2TPv3 peer session identifier Peer tunnel identifier u32:1-429496729 L2TPv3 peer tunnel identifier #include Session identifier u32:1-429496729 L2TPv3 session identifier UDP source port for L2TPv3 tunnel u32:1-65535 Numeric IP port 5000 Local tunnel identifier u32:1-429496729 L2TPv3 local tunnel identifier #include