proxy ARPing - was Re: [Wylug-help] Possible IP subnet conflict

[Gary Stainburn]

On Thursday 19 Dec 2002 11:22 am, Nigel Metheringham wrote:
> On Thu, 2002-12-19 at 11:01, Gary Stainburn wrote:
> > Hi Folks,
> >
> > one possible solution I've thought of for this problem is proxy ARPing.
> > Would it be possible to get the Linux firewall respond to ARP requests
> > for the remote 10.1.0.x IP addresses, and then get it to forward them to
> > the remote end.  In this way, there would be no need to change any
> > routing information.
>
> That certainly can be done - and I have done it - but only for single IP
> addresses.  You would need to put a full set (ie up to 255) arp entries
> into the table - probably not a problem, but get any bigger and it would
> be.
>
> 	Nigel.

Thanks for that Nigel, I think that there's actually ony a few IP addresses
used so it won't be too bad.

Any clues as to how to do it?

--
Gary Stainburn

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