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Date:      Sun, 27 Nov 2011 09:59:02 -0800
From:      Kevin Oberman <>
To:        Darren Baginski <>
Subject:   Re: OpenBGPd stability issue on FreebBSD 9-PRERELEASE
Message-ID:  <>
In-Reply-To: <>
References:  <>

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On Sun, Nov 27, 2011 at 7:10 AM, Darren Baginski <> wrote:
> Hi!
> I'm having issues with OpenBGPd =A0openbgpd-4.9.20110612_1 running on =A0=
> BGP sessions flap for no reason every ~4hours, bgp sessions itself receiv=
e only default form cisco router.
> FreeBSD 8.2 is not affected.
> How can I troubleshot this?

Start by looking at the logs on both ends. Why did the session get
torn down?  Which end triggered it? Without this information it is
impossible to figure much out.

If the logs don't provide a clue, you can capture the BGP traffic with
tcpdump and analyze with wireshark.
R. Kevin Oberman, Network Engineer

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