BGP origin attribute

Ondrej Zajicek santiago at crfreenet.org
Fri Jun 1 12:58:09 CEST 2018


On Fri, Jun 01, 2018 at 09:37:56AM +0200, Olivier Benghozi wrote:
> 
> > Le 1 juin 2018 à 05:05, Arvin Gan <AGan at advaoptical.com> a écrit :
> > 
> > I also notice the explanation  from Cisco is all redistributed route are INCOMPLETE. What's your opinion ?

That it does nor really matter.

> And on Juniper side, all redistributed route are IGP :P
> Which is probably smart, since BGP origin attribute is an oldie created
> for compatibility with EGP, and that should have since been killed a long
> time ago, so everything as IGP makes sense (to basically remove origin
> from the best route choice).

I agree with this stance. Also note that using different bgp_origin value
than IGP makes you vulnerable to dirty play from transit operators.

-- 
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."



More information about the Bird-users mailing list