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Re: Restrict local IP announcements in ARP requests

To: "David S. Miller" <davem@xxxxxxxxxx>
Subject: Re: Restrict local IP announcements in ARP requests
From: Julian Anastasov <ja@xxxxxx>
Date: Fri, 13 Feb 2004 01:50:32 +0200 (EET)
Cc: netdev@xxxxxxxxxxx, linux-net@xxxxxxxxxxxxxxx
In-reply-to: <20040211201656.4e4f708e.davem@xxxxxxxxxx>
References: <Pine.LNX.4.58.0402081149001.6268@xxxxxxxxxxxx> <20040209140853.69ab8bea.davem@xxxxxxxxxx> <Pine.LNX.4.58.0402100049470.1251@xxxxxxxxxxxx> <20040209151053.1f63937a.davem@xxxxxxxxxx> <Pine.LNX.4.58.0402100251380.1251@xxxxxxxxxxxx> <20040211201656.4e4f708e.davem@xxxxxxxxxx>
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        Hello,

On Wed, 11 Feb 2004, David S. Miller wrote:

> But I want the docs for the sysctl to talk about this.  Something
> simple like:
>
> +     1 - Try to avoid local addresses that are not in the target's
> +     subnet for this interface as far as we know.  In some environments
> +     subnets may be active that this system is not aware of, thus this
> +     setting might cause problems in such cases.
>
> Tweak it however you wish, just get the idea/warning across.
>
> I'd also prefer if you at least lightly define what "best" source address
> means in the context of arp_announce==2.

        I hope I explained them using my non-native english :)
May be the info is not good enough and can be improved. This is
against latest bk (there will be no conflict with the recently added 
flag):

http://www.ssi.bg/~ja/arp_announce-2.6.2-4.diff

Regards

--
Julian Anastasov <ja@xxxxxx>

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