Hello,
I would like to know if it is possible to implement a fail-over between 2 interfaces. I mean, having an active main interface and a passive backup interface, on different subnets. I don't speak about load-balancing.
We need a processus watching if the main is reachable (by pinging remote hosts for exemple) and after 30s of inactivity for exemple, the routing has to swap on the backup interface. And when the reachibility of the main interface is back, the routing has to come back on this interface.
And to make it more complex, I would like to protect the backup link with a VPN, but not the main link.
To be completely clear, this is for securing a laser link with an Internet access.
It's not possible via BGP ?
Thank you
JM