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Date: Tue, 17 Apr 2001 16:19:19 +0200
From: Andi Kleen <ak@suse.de>
To: Eric Weigle <ehw@lanl.gov>
Cc: Sampsa Ranta <sampsa@netsonic.fi>, linux-net@vger.kernel.org,
        linux-kernel@vger.kernel.org, zebra@zebra.org
Subject: Re: ARP responses broken!
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In-Reply-To: <3ADB637B.13E4F1AD@lanl.gov>; from ehw@lanl.gov on Mon, Apr 16, 2001 at 03:26:19PM -0600
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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.


-Andi
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