netdev - Re: How to debug iproute2 based policy routing?

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Message-ID: <CAPTK99BjrpLTxMhwgScSn-cgFcf=jOMiG_8NCCzeJM6okigUDw@mail.gmail.com>
Date:	Thu, 9 Feb 2012 11:22:02 +0100
From:	Martin Schmidt <mschmidt00000@...il.com>
To:	netdev@...r.kernel.org
Subject: Re: How to debug iproute2 based policy routing?

2012/2/8 Martin Schmidt <mschmidt00000@...il.com>:
> Hi,
>
> I have a somewhat complicated iproute2 based policy routing scenario
> on Ubuntu server.
> It mainly works as needed, but under some circumstances it weirdly
> misroutes some packets, but not all.
> I've already been struggling with this for long, but now it seems to
> be a routing bug, although not sure.
>
> To get closer I need a way to verbose log the full routing decision
> process for all outgoing packets.
> How can I achieve this? With some kernel configuration options, or any
> other ideas?
>
> Thanks!

Any ideas how to track down a possible routing related bug? Thanks!
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