> Brian Wallingford
> Sent: Saturday, May 21, 2016 4:50 PM
>
> Still, no need for bgp in a single-upstream environment. You can use a dual
> default, so long as the upstream-facing interface physically (not just
> logically)
> goes down, which will automatically remove the route. If there is an
> intermediate device between the fiber drop and your router, chances are
> the ethernet will appear up even if connectivity is not, which will be
> problematic as the route will not disappear. In that case, look into IP sla.
>
Well what if the service provider's router you are using as primary is severed
from their core (finding all the ways how it can happen is an exercise to the
reader).
I think it would be beneficial to receive default route via BGP session -but to
make sure the default route is conditionally generated.
adam
Adam Vitkovsky
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