arp: XXX is on rl0 but got reply from ...

[Lowell Gilbert]

Andrei Iarus <poni1111 at yahoo.com> writes:

> I have read a lot about this error message, but I have another
> questions: What actually happens when this error occures? I mean what
> can this error lead to? Is it enough to switch the specific sysctl
> variable to stop the error (and all it can lead to)?  I dont think so,
> then: Is the blocking of some of those packets the best solution to
> this problem? (In my case, the problem is because the 2 NICs are
> connected to the same network through the same switch).

Turn off one of these NICs; there's not real reason to do that
anyway.