Hi I have a 1721 router with two interfaces
One 1ENET and a DB60 serial interface to two different service providers with two different Ip addresses. I also have a single fa0 interface which connects to the LAN. I need this LAN to NAT and connect to the internet via one of the interfaces and in the event of a failure of one of the interfaces it should fall on the other service provider link. How best do I achieve this to ensure connectivity at all times. I also do not need load balancing so I guess I can use floating static routes as I have only static routes in operation.