From: Dan B db@cyclonehq.dnsalias.net
To: lartc@vger.kernel.org
Subject: [LARTC] HTTP only works on second try from doublely NAT'ed
Date: Fri, 02 Feb 2001 04:00:23 +0000 [thread overview]
Message-ID: <marc-lartc-98373940416947@msgid-missing> (raw)
In-Reply-To: <marc-lartc-98373940416863@msgid-missing>
<PRE>><i> > Here's my setup:
</I>><i> > ---------------
</I>><i> > Internet
</I>><i> > |
</I>><i> > |
</I>><i> > DSL Router (64.x.x.130 external, and 10.0.0.250 internal)
</I>><i> > |
</I>><i> > |
</I>><i> > Linux Box (10.0.0.251 internal/mapped to external 64.x.x.131 by DSL
</I>><i> router
</I>><i> > NAT)
</I>><i> > |
</I>><i> > |
</I>><i> > Windows98 (10.0.0.122 internal - NAT'ed to 64.x.x.131 by Linux Box & DSL
</I>><i> > router before reaching Internet)
</I>><i>
</I>><i>Are the DSL Router, the Linux Box and the Windows 98 machines all on a
</I>><i>single subnet, of interface? In that case the Linux box may be sending out
</I>><i>ICMP Redirects. Linux machines might react instantly to those redirects,
</I>><i>Windows only on the second try?
</I>><i>
</I>><i>Use the great tool tcpdump of ethereal to find out what is exactly being
</I>><i>sent over the wire.
</I>><i>
</I>><i>Regards,
</I>><i>
</I>><i>bert hubert
</I>
It's been a few weeks for me to think about my problem, and I think I
finally figured out what you meant by what you said, Bert. I think my
problem is the linux box is trying to NAT between two interfaces even
though they are on the same subnet. (duh! tcp/ip 101).
So I'm going to try changing the Linux box to 10.0.0.251/255.255.255.248,
and the windows98 box to 10.0.0.122/255.255.255.128, and see if the NAT
will work correctly after that.
Thanks, again!
-Dan
</PRE>
next prev parent reply other threads:[~2001-02-02 4:00 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-12 3:31 [LARTC] HTTP only works on second try from doublely NAT'ed windows box Dan
2001-01-12 14:43 ` bert
2001-02-02 4:00 ` Dan [this message]
2001-02-10 4:52 ` [LARTC] HTTP only works on second try from doublely NAT'ed Dan
2001-02-10 13:52 ` [LARTC] HTTP only works on second try from doublely NAT'ed windows box bert
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