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"hugo" <hugo@fractalgraphics.com.au>
???????:3CF4400C.D16FE45C@fractalgraphics.com.au...
> Hi
>
> I received a useful reply on how to set up a 192.168.xxx.xxx network
> next to my existing one, but I am still not quite sure on how to
> implement the changes. Aor my gateway and router I am running linux 6.2
> (kernel 2.4.2-2) with iptables-1.2.1a-1 and iproute-2.2.4-10. I have
> received instructions from Jerzy Jamrozy, and below are the answers he
> gives and the further questions I have:
>
> Jerzy Jamrozy wrote:
> >
> > Hi,
> >
> > The thing is very simple.. do not try to complicate it too much :)
> > 1) On your gateway you should have two interfaces: one with address in
your
> > old subnet, the other with address in your new address, e.g. 192.168.0.1
> > mask 255.255.0.0.
>
> Where do I add the information for the second interface? On my linux
> machine, do I simply add another gateway entry in the
> /etc/sysconfig/network file by adding a line:
>
> GATEWAY=192.168.0.1
>
> > 2) define a NAT (masquarade) on the 192.168 network - you have to do
that
> > since 192.168 netwok can not be seen from the internet
>
> Can someone tell me where to add the requisite information under linux
> to define a NAT?  I am using IP tables and I have a firewall script. I
> think I may have to put a line in my firewall script, something like:
>
> iptables -append FORWARD -i eth0 204.49.23.64/26 -dst 192.168.0.0/24 -j
> MASQ
>
> Would this both forward as well as masquerade to 192.168.0.0/24?
>
> > 3) enable IP forwarding
>
> Hopefully the above line takes care of that? Can someone correct that
> line if it is wrong?
>
> > 4) setup a separate DHCP on your gateway - just for 192.168 machines
with
> > def. gateway set to 192.168.0.1
>
> Do I have to set up the DHCP on the gateway? I was hoping I could set it
> up on one of my servers, then have make it so that the server has an IP
> address on the old as well as on the new network.
>
> > 5) voila.. i think.. ;)
> >
> > J.J.
>
> If someone can help me with the details, that would be tremendously
> appreciated.
>
> Thanks
>
> Hugo
>
> --
> Dr Hugo Bouckaert
> R&D Support Engineer/Systems Administrator
>
> Fractal Graphics
> 57 Havelock St
> West Perth, WA 6005
> PO Box 1675, West Perth 6872
>
> Ph:       61 08 9211 6000
> Fax:      61 08 9226 1299
>
> www.fractalgraphics.com.au
>
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