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SubjectRe: PATCH: duplicate IP detection
From
Date
marc_news@merlins.org (Marc Merlin) writes:
>
> > Shortly: ARP packets with your IP source are legal and common phenomenon.
>
> Would you maintain that statement if I check that the source MAC address is
> different from mine?
> In other words, is there any good reason for an ARP packet with my IP
> address as the source, and a source MAC address that is different from mine
> to exist (without it being a conflict that the kernel should whine about)?

Yes. It can happen for certain HA setups when you do a local IP address takeover
on failure (the application crashed but the kernel still runs)

-Andi

--
This is like TV. I don't like TV.

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