I have a 2611 with two ethernets to two different gateways. It currently has 10.191.1.253 for default gateway, and the other gateway is 10.192.1.253. I want it to automatically switch to 10.192.1.253 when 10.191.1.253 is unavailable.
It will not work like this. Both routes are the same but I suppose you mistyped an IP adress. You need to run a routing protocol to make the router adjust to changes in the network. Try to install the primary route throug EIGRP or so and define a floating static for the second one, i.e. with a distance that is higher than the EIGRP distance to the primary gateway:
We are pleased to announce availability of Beta software for 16.6.3.
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