"NAT" (Network Address Translation) ability, that knows how to work with an external modem (as well as the more "normal" broadband/ethernet connection). If your LAN is "small enough" (5 machines max using the internet), and you have an old PC you don't mind "donating to the cause" (even a 386 with only 32meg of RAM will do), you can build a fairly decent router/firewall combo by using the free "GnatBox Lite"
Lake View fast dialup, Lake View, NY dialup fast Lake View
Lake View dialup, fast New York, Lake View fast dialup
