<div dir="ltr"><p dir="ltr">Hmm, I did a quick tcpdump the day before but didn't spot any withdrawals. Today, however , I do see both routes being accepted. The only difference between before and now is that the next-hop is no longer the same as the IP of the session where this was learned.</p><p dir="ltr"><br></p>
<div class="gmail_quote">On Mar 11, 2015 5:06 AM, "Ondrej Zajicek" <<a href="mailto:santiago@crfreenet.org" target="_blank">santiago@crfreenet.org</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">On Tue, Mar 10, 2015 at 03:04:53PM -0400, Nat J wrote:<br>
> Hi All,<br>
><br>
> I’m having an issue with bird ignoring some prefixes it’s receiving. I'm<br>
> new to bird and may be overlooking something simple. The config is<br>
> essentially this<br>
><br>
> [1] Exabpg1:AS_X < — > BIRD:AS_Y (route-server)<br>
> [2] Exabgp2:AS_X < — > BIRD:AS_Y (route-server)<br>
><br>
> [3] BIRD:AS_Y < — > BIRD:AS_Z<br>
><br>
> [1] & [2] behave as expected, however when the route-server exports to the<br>
> 2nd BIRD instance the routes are ignored. The debug file unfortunately<br>
> makes no mention of the routes being ignored. Any suggestions on how I can<br>
> find the cause for those being ignored.<br>
<br>
Hi<br>
<br>
First thing to try would be to run just one Exabgp link, with disabled<br>
add-path, to see if something changes. Another good idea would be to try<br>
to catch the [3] with tcpdump, as the receiver (AS_Z) not only ignore<br>
these updates, but also consider them to be withdraws.<br>
<br>
--<br>
Elen sila lumenn' omentielvo<br>
<br>
Ondrej 'Santiago' Zajicek (email: <a href="mailto:santiago@crfreenet.org" target="_blank">santiago@crfreenet.org</a>)<br>
OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, <a href="http://wwwkeys.pgp.net" target="_blank">wwwkeys.pgp.net</a>)<br>
"To err is human -- to blame it on a computer is even more so."<br>
</blockquote></div>
</div>