Routing & NATting config

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Mar 11th, 2007
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we have an 1841 router with one HWIC-4ESW card installed in slot 0. The router alongwith two IBM servers is colocated in an IDC.

The FE0/0 port terminates a connection to the public Internet and will be assigned the global IP address given by the ISP.

The FE0/1 port terminates a MPLS connection to our branch office and has a provider assigned private IP address(

The two IBM servers are connected to two ports of the HWIC-4ESW card.

The addressing scheme for the server LAN in IDC is is planned to assign server) and server) to these servers.

The addressing scheme for the private LAN at the branch is

The application traffic flow is as follows: User requests from the public Internet first come to the App server( server talks to the DB server and then via the MPLS link connects to the server at the branch office and after getting the response from the branch office finally sends back the results to the initiating user on the Internet.

Can you please help us with the configuration(routing & NATting) needed for this setup to work.


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hoogen_82 Sun, 03/11/2007 - 12:46
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Could you create a diagram and explain more briefly on what you want. Could then help out.


muhasif99 Mon, 03/12/2007 - 00:44
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I'm attaching a quick hand drawn diagram.

I want to know the configuration of NAT and routiong needed to make this traffic flow work


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