... wifi Modem, ADSL modem, router, firewall and 4 Port Ethernet Switch in one device Universal Plug and Play ADSL2 150Mbps 4ports ... / RFC2225 Classical IP and ARP over ATM RFC2516 PPP over Ethernet: support Relay (Transparent Forwarding) and Client functions Support PPPoE ... MAC addresses Transparent Bridging Transparent Bridging among 10/100 Mb Ethernet, USB and 802.11g wireless LAN Supports IGMP Snooping ...