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    SubjectRe: [2.4 PATCH] bugfix: ARP respond on all devices
    On Mon, 18 Aug 2003 06:14:20 -0700
    "David S. Miller" <davem@redhat.com> wrote:

    > On Mon, 18 Aug 2003 15:17:55 +0200
    > Stephan von Krawczynski <skraw@ithnet.com> wrote:
    >
    > > If I remember that right kernels 2.0 and 2.2 behave differently, so
    > > you are talking about setups for 2.4 kernels.
    >
    > All kernel versions have had the ARP behavior we have now.

    They have not. I just tried.

    I have two boxes with 2 interfaces each and a third for testing. Testbox 1 has
    2.2 kernel, testbox 2 has 2.4 kernel.

    The three are connected via same switch on primary if.

    I ping the second if ip of testbox 2, then arp -vn and see the second ip with
    a mac entry of testbox 2 primary if.
    I ping the second if ip of testbox 1, then arp -vn and see _no_ entry for this
    second ip, it is in fact routed (which I would state as the expected
    behaviour as the second ip is from another subnet).

    > Both 2.0 and 2.2 answer on all interfaces for ARP requests
    > by default just like 2.4 does.

    Try it. Proven wrong. See above.

    Regards,
    Stephan
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