Feature: 1.One 10M/100M auto negotiation WAN port, connectible to xDSL/Cable Modem or Ethernet. 2.Four 10M/100M auto negotiation LAN ports 3.Compliant with IEEE802.3 Ethernet Standard and IEEE802.3u Fast Ethernet Standard 4.Full duplex IEEE802.3x flow control, Half duplex Backpressure flow control 5.Support TCP/IP、PPPoE、DHCP、ICMP、NAT、SNTP protocol 6.Professional IP Tables Firewall 7.Prevent D.O.S Network attack 8.Support VPN Pass through 9.Support UPnP, support MSN audio and video Communication. 10.Support DDNS, e.g. Vavic Network、88IP 11.Provide DHCP server, support fixed IP address 12.Support static and dynamic Routing 13.Support up to twenty-four Virtual server,support DMZ host 14.Support MAC address filter,can control user access Internet 15.Support URL filter,can control user access Web site 16.Support special application filter,can control user use MSN、QQ、Internet game 17. un or Stop at set time, save Internet access cost 18.ocal、Remote Web management, English Web pages 19.Intelligent Internet update firmware