Network Setup - HOW TO

[Atit_Shah]

My company uses the 172.19.x.x IP addresses, I want a PC with
192.168.x.x IP address to access the company network via a router. I
have a router running Linux and having 2 Ethernet ports. I configured
the systems in the following 2 ways:

1. Eth0 (LAN port) - 172.19.56.218 
   Eth1 (WAN port) - 172.19.56.219
   Single System   - 192.168.100.10 - IP Address
			   172.19.56.218  - Gateway
			   172.19.56.218  - DNS

2. Eth0 (LAN port) - 192.168.100.20 
   Eth1 (WAN port) - 172.19.56.219
   Single System   - 192.168.100.10 - IP Address
			   192.168.100.20 - Gateway
			   192.168.100.20 - DNS
	  	
But I am not able to ping from the router to my single system in either
way.
How should I configure router to make this possible for the 2 networks
to communicate? 

The second question is how to run DHCP on my router so it can receive a
dynamic IP and assign dynamic IP when I power my router? 

Atit


-----Original Message-----
From: Grant Likely [mailto:glikely at gmail.com] 
Sent: Friday, May 06, 2005 8:59 PM
To: Atit_Shah
Cc: linuxppc-embedded at ozlabs.org
Subject: Re: Network Setup - HOW TO

On 5/5/05, Atit_Shah <Atit_Shah at satyam.com> wrote:
> Hi all,
> 
>         I have a custom board designed to function as a router. It has
2
> Ethernet ports. Eth1 is a WAN port and Eth0 is a LAN port. This is
what
> I wish to do:
> 1. connect the board/router to my company network
> 2. connect a normal system running windows or linux to the router
> 3. I should be able to ping or browse the net using the normal system
> via the router through the company network.
> 
> I have connect the normal network cable (not a cross wire cable)
between
> the router and the company network. The router does not seem to get a
> dynamic IP. Why and What should I do for it to get one?
Are you running a dhcp client?  Let's see the log output
> 
> I connect a system to eth0 again with a normal network cable (not a
> cross wire cable) but the system does not seem to get an IP assigned
> even when I run the dhcp server on my router....used udhcpd command.
Why
> and how can I get it up?
What do you see on the wire?  Bring up Ethereal to capture traffic.

> 
> Appreciate a response on this....
Not enough information.  Include output logs please.



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