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Re: ip_forward - 2 nics



On Wed, Nov 06, 2002 at 10:28:09PM -0800, Jeff wrote......

> Kevin Coyner, 2002-Nov-06 23:50 -0500:
> <snipped>
> > 
> > In addition to these entries, I've changed /etc/network/options
> > ip_forward=yes, and manually executed "echo 1 >
> > /proc/sys/net/ipv4/ip_forward".  I haven't done anything with iptables
> > yet as it's my understanding that with these settings it should forward.
> > 
> > Problem is though, it doesn't forward.  From a client I am able to ping
> > 10.0.0.254 but I am not able to ping an outside, internet address.
> > 
> > What am I missing?  I'm quite prepared to say "duh".  Thanks, Kevin
> 
> Your interface config looks fine to me and the forwarding settings
> look good too.  I suspect that you don't have a default gateway set on
> your client PC's.  It should be 10.0.0.254.  Also, can sumida ping the
> world?  I suspect yes since you have the correct default gateway set.

No, that's not it.  The client default GW is set to 10.0.0.254, and the
client can ping 10.0.0.254.  Similary, sumida the proxy server can ping
the client and can ping the outside world.  The only ping that isn't
working is client to outside world via proxy server.  

So somewhere in that proxy server box is a setting that is keeping
traffic from flowing.

Just in case, I also executed "iptables -F" just to clear all of the
tables, and I still can't forward an ip packet from client to the world
via the proxy server.

Are there any other settings that I'm missing?  There must be one,
little one out there ...

Thanks, Kevin
-- 

Kevin Coyner
mailto: kevin@rustybear.com
GnuPG key: 1024D/8CE11941

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