Problem with building a sub-network on Ubuntu 5.10

[Luis Murillo]

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OK, this is what the diagram of it would look like:

  {Internet}---[DSLModem]----[UbuntuMachine]----(LAN)

Am I correct?

If it's correct then I can tell you that I have one like that working
with Ubuntu. Now, in my case eth0 (WAN) obtains an IP from the DHCP
server on the DSL Modem and eth1 (LAN) has a static IP. I have
configured Bind9 and DHCP3 so all the machines on the LAN obtain an IP
address from my machine, for the NATing I use Arno's Firewall Script
which automatically sets up the IPTable rules and everything else needed
to allow the workstations on the LAN connect to the Internet. But other
software like Firestarter and Bastille also configure this.
Now you don't have to set up a DNS and DHCP server in order to get this
to work, just set a static IP on the workstations with the default
gateway as the UbuntuMachine and DNS to the one set on the resolv.conf
in the Linux machine. That should work or at least it worked for me ;)

sunny odum wrote:
> I had established a sub-network on Suse Linux but have
> not been able to figure out why the problem with the
> brezzy badger.
> 
> Here is the scenerio:
> 
> I have two nics on the ubuntu box. Eth0 connects to
> the DSL modem and is configured to a Fixed IP
> address.Eth0  is ok and I could connect the web. Eth1
> is also configured with class c fixed IP address
> (192.168.0.1), mask (255.255.255.0) and the default GW
> and DNS as provided by the ISP. I have configured
> Dhcp3 server and enabled IP forwarding. While I could
> ping the only IP address of Eth1, I could not get the
> box connected to Eth1 access the web or ping any other
> IP address. 
> 
> Is there something I am not doing rightly or should
> do?
> 
> Thanks.
> 
> Sunny. 
> 
> 
> 	
> 		
> __________________________________ 
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> http://mail.yahoo.com
> 

- --
Luis Murillo
lmurillo at gmx.net
Cel: (506) 351-8251
Heredia, Costa Rica

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