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Exercise 2.1: Gateway Services for NetWare
Objective: Install and explore Windows NT Server’s Gateway Services for NetWare, an example of a gateway service.

Estimated time: 15 minutes

Gateway Services for NetWare is a Windows NT service that enables a Windows NT Server system to act as a gateway to NetWare resources. A gateway (as described in this chapter) provides a conduit by which computers in one operating environment can access resources located in a dissimilar operating environment. A gateway works by stripping the incompatible protocol layers of an incoming packet and replacing them with the alternative headers needed for the packet to reach its destination. (See Chapter 6 for more information on gateways.) Gateway Services for NetWare provides a Microsoft Network with access to NetWare resources. To a Microsoft Network client that uses Server Message Block (such as Windows NT, Windows 95, and Windows for Workgroups), the NetWare resources will appear as Windows NT resources on the gateway machine.
1.Look in Windows NT’s Server Control Panel for an icon labeled “GSNW” (Gateway Services for NetWare). If this icon is present, double-click on it and proceed to step 6. Otherwise, continue with step 2.
2.Double-click the Control Panel Network application and choose the Services tab.
3.In the Network application’s Services tab, click on the Add button, which invokes the Select Network Services dialog box.
4.In the Select Network Services dialog box, double-click on Gateway (and Client) Services for NetWare. Windows NT will prompt you for the Windows NT Installation CD-ROM. Windows NT then will install Gateway Services for NetWare and the NWLink protocol (if it isn’t already installed). If RAS is present on your system, Windows NT will ask if you want to add IPX/SPX to your RAS configuration. When the installation is complete, shut down your system and log on again. As you log on, you might be asked to select a NetWare preferred server. Choose None and click OK.
5.Double-click on the GSNW icon in the Control Panel.
6.The Gateway Service for NetWare dialog box appears on your screen (see Figure 2.14). If you were configuring a real gateway, you would need to enter the NetWare server name in the Select Preferred Server box.
7.Click the Overview button for a directory of GSNW Help topics. You can browse through the topics if you have questions about configuring a NetWare gateway.
8.Click the Gateway button (refer to Figure 2.14) to configure a NetWare gateway. The Configure Gateway dialog box appears on your screen (see Figure 2.15). If you were configuring an actual gateway, you first would have to create a group called NTGATEWAY on the NetWare server, then set up a user account for the gateway on the Windows NT Server machine, and finally add the gateway user account to the NTGATEWAY group on the NetWare server. In the 9.In the  
9.New Share dialog box, you can instruct the system to enable you to share NetWare resources on the Microsoft network. To do so, enter a share name and a network path and then enter a drive letter for a network drive mapping. In addition, you can specify a maximum number of users for the share. When you are finished, click Cancel (or click OK if you are actually connected to a NetWare network and you are setting up a real share).
10.If you configured an actual share in step 9, the share will appear in the share list of the Configure Gateway dialog box (refer to Figure 2.15). This new share will appear as a Windows NT share in the browse lists of Microsoft network clients.

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GSNW also includes a client package, called Client Services for NetWare, which enables your computer to access NetWare resources as a NetWare client.