3Com MSR 20-20 Multi-Service Router - router Specs: 14.2 in x 11.3 in x 1.7 in, Wired, ATM, PPP, HDLC, LAPB, X.25, MLPPP, Ethernet, Frame Relay, Fast Ethernet, Gigabit Ethernet, RMON, SNMP 1, SNMP 3, Telnet, SNMP 2c, IEEE 802.1Q, IEEE 802.1x, Rack-mountable, ARP support, NAT support, VPN support, IPv6 support, MPLS support, NAPT support, VLAN support, RADIUS support, Syslog support, Traffic shaping, Packet filtering, Firewall protection, Quality of Service (QoS), Access Control List (ACL) support, 0, 6.6 lbs