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IP SLA ( IP Service Level aggremnet ) problem ?

Dear Cisco Professional

My Scenario :

I have 3 Cisco Routers as following :
G.SHDSL Router : Cisco 3845 with
ISDN and Branch Router : Cisco 2811

How My Network works :
Branch Router has two type of connection ( First one : G.SHDSL link work as Main link and the other one ISDN Link work as Backup link )
when main link goes down the ISDN link goes up ...
( Note : i applied IP SLA with tracking ) ...

My Problem :
i want to delete default route from ( G.SHDSL Router )
0.0.0.0 0.0.0.0 dialer 3

- Note : My network works properly with these configuration but when i delete the default route 0.0.0.0 0.0.0.0 dailer3 , my network goes down ( Failover technique not works )

in general :

My network should works with two these router :

ip route 192.168.6.0 255.255.255.0 172.113.2.1 10
ip route 192.168.6.0 255.255.255.0 Dialer3 track 1

Please advice me what should i Do.

Look at atched file ...

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Cisco Employee

Re: IP SLA ( IP Service Level aggremnet ) problem ?

From what I see this is the track you have configured,

ip sla 1

icmp-echo 10.10.10.2 source-interface Dialer3

timeout 1000

You are tracking 10.10.10.2 and I guess you do not have a route to 10.10.10.2 but the default route. So, when you remove that defalut route the track goes down. You have configured failover only for these routes:

ip route 192.168.6.0 255.255.255.0 172.113.2.1 10
ip route 192.168.6.0 255.255.255.0 Dialer3 track 1

Not for the defalut route. Not sure what your requirement is but it is working as expected from the config you have.