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

[Gary Stainburn]

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.

Comments please

Gary

On Wednesday 18 Dec 2002 5:11 pm, Gary Stainburn wrote:
> Hi folks.
>
> At work we use the 10.x.0.0/16 subnets for our different sites such that
> 10.1. = Leeds
> 10.2. = Doncaster
> 10.3. = Crewe
> 10.4. = Castleford
> etc.
>
> We now need to configure a dial-on-demand ISDN router and configure it to
> dial out on seeing traffic for 6 different subnets - all to the same phone
> number.
>
> So far so good, no real problems so far.
>
> The problem is that one of the remote subnets is 10.1.0.x/24.  Luckily I
> don't use 10.1.0.X at Leeds, starting with 10.1.1.1.
>
> The question is, how can I configure a route for 10.1.0.x/24 to go down the
> router, without buggering up 10.1.x.x/16

--
Gary Stainburn

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