configuration of vpn failover on edge router

[nayeepiyush]

how to configure vpn failover on edge router if one isp line goes down then switchover to other isp line.

on remote side there is also two isp line i also want to implement on remote side.

i want to implement on live scenario.

thank you.

[Karsten Iwen]

the best solution is to have two virtual tunnel interfaces (VTIs) on each router. One works over ISP1, and the other over ISP2. With the help of an IGP you can control which link will be the primary and switch to the backup-link automatically when a failure happens. Ideally you would have two routers on each site, one for each provider.

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