[PATCH RFC 1/1] Add the Babel routing protocol (RFC 6129) to Bird.

[Juliusz Chroboczek]

> For my own education, why blackhole the route rather than simply not
> propagate it at all to the FIB (i.e. ignore it)?

Please see RFC 6126 Section 2.8:

    https://tools.ietf.org/html/rfc6126#section-2.8

-- Juliusz