VPN tunnel goes down every hour

[gauravpandeypandey24]

Hello Team,

I have configure Cisco 1921 router. Both the Eigrp  tunnel are up and passing the traffic. Routes for Sri Lanka site Internal subnet is getting learned on hub ASR router. But we have checked after one hour both Eigrp tunnel is goes down and loopback is not reachable. When we reload the router tunnel and eigrp also comes up. We need to help us.

[gauravpandeypandey24]

As per Cisco recommended to upgrade and degrade IOS but no luck. What should we do . We originally have IOS version 15.4 , Cisco recommended to downgrade first to 15.1 IOS version and today again Cisco told us to upgrade it to 15.6. Now that we have tried/ran three different IOS versions but issue has not resolve.

We need to help us.

Thanks in Advance !!