Specs: 17.3 in x 19.7 in x 3.5 in, Wired, PPP, HDLC, MLPPP, FRF.12, FRF.15, FRF.16, Ethernet, Frame Relay, Fast Ethernet, Gigabit Ethernet, Ethernet, SSH, Telnet, SNMP 2c, IEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.1ad, IEEE 802.3af, External, Manageable, NAT support, PAT support, Flow control, IPv6 support, MPLS support, VLAN support, Modular design, Syslog support, Traffic shaping, DiffServ support, Firewall protection, DDos attack prevention, Quality of Service (QoS), Hot swap module replacement, Stateful Packet Inspection (SPI), Weighted Random Early Detection (WRED), 0, 22 lbs