[quagga-users 14632] Re: Weird BGP Behavoiur
Richard J Palmer <[email protected]>
| Newsgroups | gmane.network.quagga.user |
|---|---|
| Message-ID | <[email protected]> |
HI Thanks for the email We are seeing this every time we start Quagga it's not a simply 'it stops after x time' I'm happy to help debug this if there's anything I can do .... I will try the downgrade later as well if nothing else. It's odd that it's ONLY on this one router none of the others are affected ... very strange Richard Palmer | Director | Merula Limited Company Registered in England and Wales No. 3243995 5 Avro Court, Huntingdon, Cambridgeshire, PE29 6XS Phone 01480 222940 | Support 0845 330 0666 Support Email [email protected] > --- Original message --- > Subject: [quagga-users 14631] Re: Weird BGP Behavoiur > From: Paul Thornton <[email protected]> > To: <quagga-users-UOy77sIEA+cAd7ICUelF/[email protected]> > Date: Sunday, 05/03/2017 9:11 AM > > Hi > > Welcome to a world of fun and pain. > > On 05/03/2017 00:40, Richard J Palmer wrote: >> >> Hi >> >> I am seeing odd behavour on one of our quagga boxes here and I am >> looking for some help > >> >> And some internal sessions: >> >> 9.8.7.6 4 12345 100 661 0 0 530342 01:36:41 >> 3 >> 5.6.3.2 4 12345 18551 1364 0 0 525874 01:36:43 >> 95301 >> >> You will see the 'OutQ' Colum is HUGE and does not decrease. I can't >> see >> any errors - IF I run sh ip bgp 8.8.8.8 for example it will show the >> route is being advertised to a peer router - BUT the remote router >> does >> not have the prefix prsumably as it i stuck in the queue. > > This is similar to the "IPv6 routes not propagating via iBGP" problem > that a number of us have randomly on some devices. I have also seen > this with some v4 prefixes, normally customers who are dual-homed and > have flapped a bit between primary and backup; and you end up with the > route 'stuck' on one or more routers. > > We actually have a script that runs every few hours now to check that > across the AS, every router has the same next-hop for these prefixes > (they have set local-prefs so this should absolutely be the case) - as > in the past the failure of the internal routes to update caused > routing > loops and general badness. > > It is a royal pain to debug because it seems almost un-reproducible in > the lab :( > > FWIW, I have downgraded to 0.99.23.1 across the board as that is the > last release of Quagga that I can find that definitely does not have > this issue. > > Paul. > > _______________________________________________ > Quagga-users mailing list > Quagga-users-UOy77sIEA+cAd7ICUelF/[email protected] > https://lists.quagga.net/mailman/listinfo/quagga-users _______________________________________________ Quagga-users mailing list Quagga-users-UOy77sIEA+cAd7ICUelF/[email protected] https://lists.quagga.net/mailman/listinfo/quagga-users