[c-nsp] prevent route entering fib

[Karsten Thomann]

Am Montag, 16. November 2015, 19:26:45 schrieb Erik Klaassen:
> I have a fastnetmon/exabgp instance to inject routes into the border
> router(7600 / 720-3b-xl) to trigger remote blackholing. Triggering a
> blackhole null route is easy. But now i want to implement selective
> blackholing (my upstream supports this) The key thing is not to null route
> in your own network.
> What is the best way to prevent the exabgp route entering the fib? I tried
> selective download ( table-map ROUTE-MAP filter), but as soon as i apply a
> route-map on the exabgp neighbor the table-map filter doesnt work anymore.
> I hope you have some suggestions.
> 
> Erik

Just two thoughts...
- multi hop bgp to provider for this purpose
- use correct nexthop for /32 and use a community towards upstream for blackholing