[c-nsp] uRPF Black hole routing with asymmetric traffic

Roland Dobbins rdobbins at arbor.net
Tue Oct 13 13:46:19 EDT 2015


On 14 Oct 2015, at 0:30, f287cd76 at opayq.com wrote:

> The above uRPF config didn't work and was removed.

I'm unsure what the '2699' part is supposed to do.  'reachable-via any' 
is loose-check uRPF, and should work in the scenario you describe 
(unless there are details missing) for traffic purportedly sourced from 
unadvertised blocks as well as for S/RTBH.

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


More information about the cisco-nsp mailing list