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Configuring GSNW 

Added: 04/30/2000, Hits: 2,295, Rating: 0, Comments: 0, Votes: 0
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One of NT's many capabilities is to act as a router and in some cases as a gateway. Figuring out exaclty what NT is capable of at the protocol level can be difficult. I was recently presented with such a task and had a very difficult time finding information on this subject and decided to write another tutorial. We will start with NT's routing abilities and later discuss the types of situations that it can act as a gateway.

NT's Routing Capabilities
An NT server with 2 or more network cards(multihomed) can act as a router. NT 4.0 can natively route IPX(NWLINK), TCP/IP and Appletalk protocols. In most cases, in the properties for either the service or protocol that is running, there is a checkbox to enable routing that can be selected. It is important to note that in order for routing to occur, the appropriate protocols must be bound to both network cards. For example, if you are trying to use an NT server to route TCP/IP, you must have TCP/IP bound and configured properly for both network cards.

Gateway Functions
When dealing with Netware, NT can be configured to act as a gateway. This means that it can actually perform protocol translation services. This process occurs using NT'S Gateway Services For Netware(GSNW). This is a service that can be installed from the NT CD-ROM via the network control panel. GSNW allows NT to log into a netware server and allow clients to access resources on that server without having to install any client services. Furthermore, it will allow you to access a Netware server from any client as if it were a Windows device. The diagram below is an example of a possible configuration that might require GSNW.

The Windows clients do not need any special software or protocols installed. The NT server will take in whichever protocol they are running such as TCP/IP and send IPX out the other side in order to communicate with the Novell Server.

NOTE: GSNW will only communicate with Novell Servers running in bindery mode so if you are using a Novell 4.x server, you must enable bindery emulation for this to work.

Setting Up GSNW
First right click on Network Neighborhood and select "properties".
Select the "Services" tab and click the "add" button.

Next, in the Select Network Service dialogue box, choose Gateway(and client) services for Netware and then click the OK button.

You will be prompted to specify the location of your NT files which will be on the NT CD-ROM, local hard disk or network share. Enter the path to the files and click "continue".

The service will be installed and when you click the "close" button in network properties, you will be prompted to reboot your computer.

While you are waiting for the Server to come back up, we will need to create a user account on the Novell Server using SYSCON or NWADMIN depending on which version of Netware you are running.

First create a user account that will match the user account that you log into the NT Server as. For example if you log into the NT Server as Administrator, add a user account on the Novell server called Administrator.

It is helpful to assign the same password for this new account as the password that you use on the NT side.

Next create a new user group called NTGATEWAY and place your new user into this group.

Your NT Server should be ready now. After you log back in you will be presented with the "Select Netware Logon" screen as shown below.

If you are setting up a gateway for a Netware 3.x server then you will choose a preferred server.

If you are setting up a gateway for a Netware 4.x server then you will select a default tree and context.

Next, click the "gateway" button and click the "Enable Gateway" checkbox.

Then enter the user name and password of the user account that you created on the Novell server.

Now you can click the "add" button and create new shares on the Novell server that your clients will be able to use.

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