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Setup (bothway) NAT on NT 4.0 Server

By Bhrdwh ·
Hi,
I need to setup a test environment with one NAT device (a Microsoft NT 4.0 or 2K Server) running NAT services with two lan cards. To these cards I will connect two PCs (using cross cables) & from both these PCs I should be able to ping each other. Here is the network for better clarity -
PC1 (192.168.101.2) <--> NAT Server LanCard1 (192.168.101.1) NAT <--> NAT Server LanCard2 (192.168.102.1) <--> PC2 (192.168.102.2).

Ping from PC1 should goto PC2 & visa versa.

Whats the way to implement this using NT 4.0 & Win2K ?
I have already tried it on Win2003 but it supports NAT only one way.. ie I can ping from PC1 to PC2 but not from PC2 to PC1. No firewall or port blocked.
Please help !

Akash

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Setup (bothway) NAT on NT 4.0 Server

by NetTek In reply to Setup (bothway) NAT on NT ...

First, what you are speaking of is not really NAT. The basic funcionality of NAT is to reconvert the internal IP address in a network to a public pool of address. This feature allows many private IP hosts to access resources on the Internet when a limited range of public addresses are available. The efect of NAT is that the internal addresses are hidden to the Internet hosts; only the public address can be known.

Anyway, what you are looking to accomplish is simple with NT. Simply enable IP forwarding on the NIC cards, and set the gateway of 192.168.101.1 to 192.168.102.1, and vice versa.

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Setup (bothway) NAT on NT 4.0 Server

by Bhrdwh In reply to Setup (bothway) NAT on NT ...

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Setup (bothway) NAT on NT 4.0 Server

by STURNER In reply to Setup (bothway) NAT on NT ...

Waht you are trying to do is not NAT as stated in answer 1, it is using windows as a router. First off, WIN2K server and Windows 2K3 server both do this very effectivly in RRAS. There is a wizard for setting it up as a router that works well.

Secondly, I would also look at a linux build. There are many ripped versions of Linux that fit on a single floppy. You put the floppy in, boot the machine, config the IP's of the cards and boom! Linux router and to top it off it will run well on an old 486 w 32 mb of ram!

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Setup (bothway) NAT on NT 4.0 Server

by Bhrdwh In reply to Setup (bothway) NAT on NT ...

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Setup (bothway) NAT on NT 4.0 Server

by Bhrdwh In reply to Setup (bothway) NAT on NT ...

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