I need someone to help me out on finding solution. Let me explain my network scenario.. I have a core switch connecting to internet ASA and MPLS router.
My primary internet route is through ASA(using default route). When internet circuit goes down i have to remove default router towards ASA and route it through MPLS router so that internet could work over MPLS through my hub site internet connection. But i want to remove this manual failover & i want to configure this in the way if my primary internet goes down, internet traffic automatic get routed towards MPLS router. I tried this configuring track but it is not going to work as which ip should track monitor. Internet SP end router ip still be reachable when internet circuit goes down, only connectivity over internet become unreachable.
I do not understand your explanation of why using track did not work. Assuming that you are not running a dynamic routing protocol through the ASA I do not know of any way to automate the failover other than track. It should be possible to configure track, to assure that the tracking packets are only forwarded to the ASA, and to detect when the Internet link through the ASA is not working.
I understand what you are trying to achieve here. I've deployed this internet failover using ip sla many times. Here's your configuration template:
ip route 0.0.0.0 0.0.0.0 'ASA GW' 1 track 1
ip route 0.0.0.0 0.0.0.0 'MPLS RTR GW' 10
ip sla 100
icmp-echo 126.96.36.199 source-interface 'Interface connected to ASA'
ip sla schedule 100 life forever start-time now
track 1 rtr 100 reachability
-Verify your IP SLA-
show ip sla statisctics 100
Your primary default route with AD 1 will track 1 that's checking your IP SLA 100 reachability. When 188.8.131.52 (Google DNS) is unreachable, your primary default route will be replaced with your secondary default route.
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