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From: Evgeni Gechev <etg@setcom.bg>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] ip conflict with proxy arp
Date: Tue, 29 Oct 2002 17:33:59 +0000	[thread overview]
Message-ID: <marc-lartc-103591450721682@msgid-missing> (raw)
In-Reply-To: <marc-lartc-103587435607275@msgid-missing>

Rohan Almeida wrote:

> HI,
> I've got a proxy arp setup with iptables and tc.
>
> on eth0 i have a route to 172.16.2.0/24 network
> on eth1 is the LAN of 172.16.1.0/24 network
>
> I have enabled proxy arp on both interfaces.
> Now accordingly, the interface will respond
> to all ARP requests for which it has a route to.
>
> Noy my setup is such, that a user on the LAN,
> would like to have an ip from the 172.16.2.0/24 network.
>
> But unfortunately, when he tries to allocate an
> ip like 172.16.2.1 he gets an ip conflict.
>
> I also know why he is getting it!
> But is there any way out of this??
>
> Something like, tell the linux server to respond for
> ARP requests for the 172.16.2.0/24 network but at the
> same time if a machine is trying to use an ip for itself,
> then it should not respond.
>
> Help!
>
> --
> arc_of_descent
> _______________________________________________
> LARTC mailing list / LARTC@mailman.ds9a.nl
> http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/

Just add a route to 172.16.2.1/32 on eth1.
But you should add such route not only for escaping the ip conflict.

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LARTC mailing list / LARTC@mailman.ds9a.nl
http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/

      reply	other threads:[~2002-10-29 17:33 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-10-29  6:52 [LARTC] ip conflict with proxy arp Rohan Almeida
2002-10-29 17:33 ` Evgeni Gechev [this message]

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