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Date: Tue, 17 Apr 2001 17:01:10 +0200
From: Andi Kleen <ak@suse.de>
To: Martin Josefsson <gandalf@wlug.westbo.se>
Cc: Andi Kleen <ak@suse.de>, Eric Weigle <ehw@lanl.gov>,
        Sampsa Ranta <sampsa@netsonic.fi>, linux-net@vger.kernel.org,
        linux-kernel@vger.kernel.org, zebra@zebra.org
Subject: Re: ARP responses broken!
Message-ID: <20010417170110.A10430@gruyere.muc.suse.de>
In-Reply-To: <20010417161919.A8842@gruyere.muc.suse.de> <Pine.LNX.4.21.0104171652360.9099-100000@tux.rsn.bth.se>
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In-Reply-To: <Pine.LNX.4.21.0104171652360.9099-100000@tux.rsn.bth.se>; from gandalf@wlug.westbo.se on Tue, Apr 17, 2001 at 04:53:01PM +0200
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On Tue, Apr 17, 2001 at 04:53:01PM +0200, Martin Josefsson wrote:
> On Tue, 17 Apr 2001, Andi Kleen wrote:
> 
> > On Mon, Apr 16, 2001 at 03:26:19PM -0600, Eric Weigle wrote:
> > > Hello-
> > > 
> > > This is a known 'feature' of the Linux kernel, and can help with load sharing
> > > and fault tolerance. However, it can also cause problems (such as when one nic
> > > in a multi-nic machine fails and you don't know right away).
> > > 
> > > There are three 'solutions' I know of:
> > > 
> > >   * In recent 2.2 kernels, it was possible to fix this by doing the following as
> > 
> > Or use arpfilter in even newer 2.2 kernels; which filters based on the routing
> > table. "hidden" is quite a sledgehammer which often does more harm than good.
> 
> Does arpfilter exist in 2.4 kernels?

Not yet, will be merged very soon. I can send you a patch if you need it urgently.


-Andi
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