Re: ARP routing issue

[Jan De Luyck <lkml@kcore.org>]

On Thursday 06 January 2005 18:53, Paul Rolland wrote:
> Hello,
>
> Have a look at /proc/sys/net/conf/XXX/arp_filter :
>
>
> arp_filter - BOOLEAN
>         1 - Allows you to have multiple network interfaces on the same
>         subnet, and have the ARPs for each interface be answered
>         based on whether or not the kernel would route a packet from
>         the ARP'd IP out that interface (therefore you must use source
>         based routing for this to work). In other words it allows control
>         of which cards (usually 1) will respond to an arp request.
>
>         0 - (default) The kernel can respond to arp requests with addresses
>         from other interfaces. This may seem wrong but it usually makes
>         sense, because it increases the chance of successful communication.
>         IP addresses are owned by the complete host on Linux, not by
>         particular interfaces. Only for more complex setups like load-
>         balancing, does this behaviour cause problems.
>
> Regards,
> Paul

I tried that actually, didn't change a thing.

Jan

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