RTD_BLACKHOLE overridden by matching route.

Ondrej Zajicek santiago at crfreenet.org
Sat Nov 29 11:51:34 CET 2014

On Fri, Nov 28, 2014 at 06:44:31PM -0600, Thomas Johnson wrote:
> I am having some difficulty blackholing a route. The route in question is
> received from a multihop BGP session (emulating cymru), and I am setting
> the dest attribute to RTD_BLACKHOLE. However, if the same route is received
> via another BGP session, the blackhole is overriden, as shown here:
> The relevant parts of my test configuration are below. Is there some trick
> to making the blackhole "absolute"?

See this: http://bird.network.cz/pipermail/bird-users/2014-April/004282.html

Simple workaround is to set higher preference (like: preference = 200)
for blackhole routes.

Elen sila lumenn' omentielvo

Ondrej 'Santiago' Zajicek (email: santiago at crfreenet.org)
OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net)
"To err is human -- to blame it on a computer is even more so."
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