Normally you will need two default routes one that points to the main ISP and the other points to the second back ISP or link with object tracking on the main ISP normally you should give the main route lower administrative distance
for example :
ip route 0.0.0.0 0.0.0.0 10.10.10.1 track 1 " Main route"
ip route 0.0.0.0 0.0.0.0 192.168.2.1 7 "Backup route"
In this case the main route to the ISP went down the backup route will take over and be installed in the routing table
Please refer the following link for more information
Got you now. Normally the dial up interface will be on standby as long as the main interface is on line and since you are using an tunnel on an Ethernet interface than it will not show always since its connected to a switch or something unlike the T1 when its goes down . so one solution is to use Event Manger and make it track your object 123 if it is down it should run some command that you can specify in your case in case the object went down it can make it run a commend
to bring the FastEtherent down this was your Dial up interface will be up and running you can use the following example
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