Very Computer

Please help.

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10.x.x.x
172.168.x.x
192.168.x.x

        If you use something else than that, it'll conflict with other
IPs once your machines connect to the Internet. I'd suggest changing
200.200.200.1 to 192.168.1.1 and 200.200.200.100 to 192.168.1.100. Your
subnet mask should already be 255.255.255.0, so leave it this way if
you're going to use the 192.168.x.x IP range.

        Good luck,

                                        Stephane Viau

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Set up your routes and have ip_masq forward to eth0 and you should be set.

With just one card you will need to set up

eth0 - real IP address
eth0:0 - private address

Danyell

regards
duan

Quote:>172.16.x.y is the other private range. 2 ethernet cards on the linux box
>will make your life easier.
>eth0 - real IP address 207.82.16.211
>eht1 - private address 172.16.1.1

>Set up your routes and have ip_masq forward to eth0 and you should be set.

>With just one card you will need to set up

>eth0 - real IP address
>eth0:0 - private address

>Danyell

Could you supply your 'ifconfig' and 'route -n' outputs, please? Oh,
and the outputs of 'ipfwadm -Ilne', 'ipfwadm -Olne' and 'ipfwadm
-Flne'.

regards
Tobias

In your file /etc/sysconfig/network, there's a line that looks like
this:

FORWARD_IPV4=false

Change it to:

FORWARD_IPV4=true

Also, I'm using a PPP connection for my local LAN.  I've created a small
script in /etc/rc.d/init.d called "masquerading".  I made it executable
and put an entry in my main runlevel (5) because I run XDM:

###############################################

case "$1" in
  start)
        echo "Starting IPMasquerading "
        /sbin/depmod -a
        /sbin/modprobe ip_masq_ftp
        /sbin/modprobe ip_masq_raudio
        /sbin/modprobe ip_masq_irc
        /sbin/modprobe ip_masq_cuseeme
        /sbin/modprobe ip_masq_vdolive

        /sbin/ipfwadm -F -p deny
        /sbin/ipfwadm -F -a m -S 192.168.1.0/24 -D 0.0.0.0/0
        ;;
  stop)
        echo "Stoping IPMasquerading "
        killall ipfwadm
        ;;
  *)
        echo "Usage: sound {start|stop}"
        exit 1
esac

exit 0    

#####################################################

Once you have this properly entered in the file
/etc/rc.d/init.d/masquerading, it should appear in your runlevel editor
through control-panel.  I would make your gateway PC 192.168.1.1, and
your other machine 192.168.1.2 and so on.

Hope this helps...it works like a charm here ;-)

Cheers, Luc.

Quote:>         echo "Stoping IPMasquerading "
>         killall ipfwadm

   /sbin/ipfwadm -F -d m -S 192.168.1.0/24 -D 0.0.0.0/0
   # or even /sbin/ipfwadm -F -f

   for a in /lib/modules/`uname -r`/ipv4/ip_masq_*
   do
      modprobe -r `basename $a`
   done

Regards.
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It can also be written as 192.168.1.0/255.255.255.0

Read the NET-3-HOWTO or the Network Administration Guide
(nag-1.0.html.tar.gz) if you want to know more...

Hans

regards
Tobias