hi manjunatha
the fowlloing link contains a configuration example address a case exactly like yours, will be useful for you
http://www.cisco.com/en/US/tech/tk648/tk361/technologies_configuration_example09186a0080950834.shtml
in addition if u simply use two default route with the same metric u gonna load balnce and failover as well
like
ip route 0.0.0.0 0.0.0.0 interface [first interface]
ip route 0.0.0.0 0.0.0.0 interface [second interface]
bu tu need to make nating on each one or PAT
so follow the link setps
good luck
If helpful Rate
