[QUOTE] Well I've failed. No matter what I try (and I've tried all suggestions made here) I get this: in the Netgear RP614v2's connected devices table, a directly-connected iMac shows up, but not the Airport Extreme (in bridge mode). (Yes I power-cycled and refreshed the table after each new configuration.) I've tried connecting the AE to several different ports on the Netgear, first confirmed by plugging in the iMac. Cables are not the issue because if I plug the AE (in non-bridge mode) into the cable modem (using the same or a different cable), it works. I'm telling mgmt. that paying to have a 2nd cable run to the Airport (costly) is the solution. I don't like it but there it is. I wish I knew enough about the whole IP configuration thing to be able to point to something and say "That is at fault", but it's all a foggy mess (in my head). I know that with experience comes competence, but isn't there a good starting point such as a web-seminar or e-book that can cover the basics and more? Thanks for all who contributed to the discussion. Dave [/QUOTE] If you haven't managed to sort this yet, then there is possibly another way without you having to lay another cable. This is assuming the connection between the Comcast modem and the AirPort is 10/100 and is not using PoE Simply use a CAT5 Economiser like this both ends of the cable [URL]http://www.ebay.co.uk/itm/290335345691[/URL] Connect the A port one end to the Comcast Modem, and the other A port the other end to the AirPort connect the LAN Ethernet side of the Airpoint to the B port, and a simple network switch to the B side near the Comcast modem. If you like, you can use the Netgear as a switch by just disabling the DHCP server on it, and connecting to one of the LAN ports, just ignore the WAN port on this.