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SubjectRe: Linux 2.2 - BSD/OS 4.1 ARP incompatibility
On Mon, Sep 04, 2000 at 05:06:15PM +0800, Andrey Savochkin wrote:
> So, I think that we have to be sure that we use the "best" address for this
> destination.
> What about an unconditional use of inet_select_addr() or fib_select_addr()
> based on prefsrc with inet_select_addr() fallback?

It looks fine in theory, but I'm sure it'll break with some anal ARP filters.
(so at least for 2.2 we probably would need to sysctl it, or teach lots
of users about prefsrc)

I guess Alexey would hate your implementation because it adds a
unnecessary fib_lookup() in a reasonable fast path, it would probably be
better to cache it in the dst entry and pass it in.

-Andi
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