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SubjectRe: ARP and alias IPs
On Thu, Sep 05, 2002 at 10:09:50AM -0500, Andrew Ryan wrote:
> The linux implementation of ARP is causing me problems. Linux sends out an
> ARP request with the default interface as the sender address, rather than then
> interface the request came on.

http://www.rfc-editor.org/rfc/std/std37.txt

> For example
>
> eth0 10.1.1.100
> eth0:1 192.16.1.101

Are you really expect an aliased interface to work the way you described?

> and an ARP is received on 192.16.1.101, linux responds with
> 10.1.1.100 as the source address in the ARP request, rather than 192.16.1.101
> (which FreeBSD, Solaris, and tru64 do). To me, this is just plain wrong.
> The sender address should be an address on the subnet that the request came
> from, not a different one. Is there any way to fix this?
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