[c-nsp] prevent route entering fib

[Roland Dobbins]

On 17 Nov 2015, at 1:26, Erik Klaassen wrote:

> The key thing is not to null route in your own network.

If the blackhole route must emanate from your transit edge router and 
can't be implemented as eBGP-multihop, just flag it with the appropriate 
communities so that it isn't propagated beyond your transit edge router 
within your own network via iBGP.

-----------------------------------
Roland Dobbins <rdobbins at arbor.net>