Hi guys, I need your help, to fix this problem below. 1)--i got 2 diffrent ISP's in my Home, 1st DSL Modem & 2nd Cable Modem. The resion I am having 2 ISP's in my Home is, if DSL goes Down then I can connect to Cable Internet. 2)--I got 2 diffrent Wireless Routers connected to each Modem seperately in this way, 1st is Linksys wireless wrt54g Router configure for DSL Modem Speedstream 4200, working fine. For example here SSID:FAMILY1, Password:12345678, WPA2-PSK. Where as DSL Modem supply Internet to Basement Family. 2nd is D-Link wireless Router configure for Cable Modem Huawei MT130U, working fine. For example here SSID:FAMILY2, Password:87654321, WPA2-PSK. Where as Cable Modem supply Internet to Upstair Family. My goal is to achieve this 2 Task 1)--Now for example if DSL Internet goes Down, then i want to take a peace of Ethernet wire & i want to connect from D-Link Router into Linksys Router i want to supply Internet to Linksys Router connected DEVICES Basement Family. 2)--and now for example if Cable Internet goes Down, then i want to take a peace of Ethernet wire & i want to connect from Linksys Router into D-Link Router i want to supply Internet to D-Link Router connected DEVICES Upstair Family. So all the time both Basement & Upstair Families connected to Internet, if any one goes DOWN. So "How to do like this type of Networking" in my Home. Thanks for your replies.