Sorry, should have been a little clearer. I have tried setting up my routing like: http://lartc.org/howto/lartc.rpdb.multiple-links.html And my bird setup is like: https://git.nic.cz/redmine/projects/bird/wiki/BGP_filtering (it is down right now, but you can use google cache to still see it) for the two /29 IP networks I have, one from Cogent, one from HE. I also have a /22 that I am announcing over BGP. The end result is to have a BGP router using two connections to announce my /22 using my ASN, from the bird router I need to be able to send out requests from my /22 over both interfaces (I have them weighted in the bird config file so one gets more traffic). I guess what I am asking is if this sounds like it is the correct setup? I don't need someone to babysit me through the whole process, I just want to make sure I'm not going down a rabbit hole and completely missing something. I'll be done with bugging the whole list now. If I could get a confirmation still that that is the correct route to take, that would be great. Setting up 2 routing tables like the first article, and then setting up bird like the BGP filtering article. I just didn't know if I should be setting up the 2 routing tables, or if the decision on the outbound routing was entirely bird. If anyone wanted to help more and contact me directly I could provide more specific information as well, but that's not required, and I don't want to be any trouble to the group in general. Thanks again! -----Original Message----- From: "Martin Barry" <marty@supine.com> Sent: Sunday, December 4, 2011 6:29am To: bird-users@atrey.karlin.mff.cuni.cz Subject: Re: Routing issues $quoted_author = "dspazman@epicup.com" ;
I had bird installed on a server with one outside connection (eth2). That's been working fine. When I add in the second connection, for whatever reason I can't get it added to the routing. I'm curious if anyone has any suggestions?
You are probably running into a combination of your default route pointing out your existing provider and their strict uRPF blocking source IP's from your Cogent range.
I'm not sure if this is directly bird related, but I think it is... Any tips or ideas would be greatly appreciated.
This is not bird related. If you want this to work you need to route packets with a Cogent source IP out via your Cogent link. For that you'll need to do some policy based routing using the source IP as the filter. e.g. http://muchtall.com/2007/08/06/24/ cheers Marty