AW: default route via OSPF depending on the ISP

[Rohrmann Sascha]

>> Do you have more information and/or tips for me, by chance? 

> As others wrote, you could do periodic pinging by e.g. fping and enable/disable a static protocol using 
> birdc (birdc disable XXX). See the attached script, which does something like that and estimating packet loss.

Thanks for the script Ondrej. It worked perfectly for me and it was exactly what I was searching for.