cisco nat problem


I have a cisco 1600 router, doing NAT for my LAN. I will have secondary ISP, of course with another IP's pool. How to configure router to route everything through new ISP gateway, and if something goes wrong, route in via old gateway?.

Will it work:

ip route gate_ip1_isp1 ip route gate_ip2_isp2 200


If one link would go down, I would like to change my NAT outside address to another (of secodary ISP). Please help:-)

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see Policy Based Routing with the Multiple Tracking Options Feature

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