Re: arp message

[Brian Candler <B.Candler at pobox.com>]

On Thu, Feb 07, 2002 at 08:34:34AM +0100, Didier Kasole wrote:
> > > > > arp: 192.168.1.34 is on ed0 but got reply from 00:50:bf:7c:b0:cb on
> ed1
> > > > > Feb  5 14:14:32 mail /kernel: arp: 192.168.1.34 is on ed0 but got
> reply
> > > from 00:50:bf:7c:b0:cb on ed1
> > > Some one can help to understand this error message.
> > > ed1 ip is 194.7.39.155/25
> > > ed0 ip is 192.18.1.1/24
> >
> > out of curiosity are these two interfaces connected to the same switch or
> > hub?
> The 2 interfaces are on separate network. ed0 is on the local hub and ed1 is
> connected to wireless ethernet

And does the wireless ethernet have any other connectivity back into the
network? e.g. is the base station wired into the local hub?

The message is basically saying "I sent an ARP request for 192.168.1.34 out
of interface ed0. However I saw the response come in on ed1 !"

So it looks like there is some layer 2 bridging between those two networks
somewhere, since a broadcast packet has passed from one network to the
other.

B.

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