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From: "Никита Винокуров" <vinokurov@mail.>
To: lartc@vger.kernel.org
Subject: Re[4]: [LARTC] further than dead gateway detection
Date: Tue, 04 Mar 2003 10:22:02 +0000	[thread overview]
Message-ID: <marc-lartc-104677361828875@msgid-missing> (raw)


-----Original Message-----
From: Paul Evans <pevans@catholic.org>
To: lartc@mailman.ds9a.nl
Date: Mon, 3 Mar 2003 09:38:17 -0800
Subject: Re: Re[2]: [LARTC] further than dead gateway detection

> 
> On March 3, 2003 08:22 am, Никита Винокуров wrote:
> > > have you done masquerading from an internal network?
> > > cause that does not work for mi..you may help me :)
> >
> > Yes, I've done it by the means of iptables (I have a 2.4.20 kernel).
> >
> > masquarade does not interacts with routing, just put it in the two routes:
> >
> > iptables -t nat -A POSTROUTING -o $IFACE1 -j SNAT --to-source $IP1
> > ipdables -t nat -A POSTROUTING -o $IFACE2 -j SNAT --to-source $IP2
> >
> >
> > where $IP1 and $IP2 -- the external addresses of the certain interfaces
> > ($IFACE1 and $IFACE2)
> 
> I have this which also works:
> iptables -t nat -A POSTROUTING -s net/mask -o $IP1 -j MASQUERADE 
> iptables -t nat -A POSTROUTING -s net/mask -o $IP2 -j MASQUERADE 
> 
> Why would it be better to SNAT?
> 
> 

You may use a MASQUERADE tag only if your ip-addresses are assinged dynamycally. In other cases it would be better to set SNAT.


--
Nikita
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                 reply	other threads:[~2003-03-04 10:22 UTC|newest]

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