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Exercise 2.2: SLIP and PPP in Dial-Up Networking
Objective: Explore the Dial-Up Networking application and learn how to configure Dial-Up Networking for SLIP or PPP.

Estimated time: 10 minutes
1.From the Windows NT Start menu, choose Programs/ Administrative Tools and select Dial-Up Networking. The Dial-Up Networking application enables you to connect to another computer as a dial-up client using SLIP or PPP.

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To get the full effect of this exercise, TCP/IP, NWLink, and NetBEUI must be installed on your system and must be enabled for dial-out connections. Exercise 5.1 in Chapter 5 describes how to install protocols. To enable the protocols for dial-out connections, follow these steps:
A.Start the Control Panel Network application and select the Services tab. If Remote Access Service isn’t installed, click the Add button to install it.
B.Double-click on Remote Access Service in the Services tab (or select Remote Access Service and click Properties).
C.In the Remote Access Setup dialog box, click the Configure button and make sure either the Dial Out Only or Dial Out And Receive Calls button is selected under Port Usage. Click OK.
D.In the Remote Access Setup dialog box, click the Network button. Select dial out protocols NetBEUI, TCP/IP, and IPX. Click OK.
E.Click Continue in the Remote Access Setup dialog box.
2.In the Dial-Up Networking main screen, click the New button to set up a new connection. The New Phonebook Entry dialog box appears (see Figure 2.16). The tabs of the New Phonebook Entry dialog box enable you to enter a phone number, modem information, security information, and a login script. In addition, you can enter information about the dial-up server to which you are connecting. Click the Server tab when finished.
3.In the Dial-Up Networking Server tab (see Figure 2.17), click the arrow to the right of the box labeled Dial-up server type. Note that the default option is PPP: Windows NT, Windows 95 Plus, Internet. PPP enables you to connect to a Windows NT RAS server, a Windows 95 machine with the Windows 95 Plus Dial-up Server feature, or a server with an Internet-style TCP/IP configuration.
4.In the Dial-up server type box, select the SLIP: Internet option. (TCP/IP must be installed on your machine.) Examine the rest of the Server tab options. The other protocols (IPX/SPX and NetBEUI) should be grayed out, as should software compression. Your only protocol option is TCP/IP. Check the TCP/IP check box and click the TCP/IP Settings button. Note the boxes for a static IP address and static DNS and WINS server addresses. Click Cancel.
5.In the New Phonebook Entry Server tab, click the down arrow to the right of the Dial-up server type box and choose PPP: Windows NT, Windows 95 Plus, Internet. Note that the IPX/SPX Compatible and NetBEUI protocol options are now available (if they are installed on your system and enabled for dial-out connections—see preceding note), as are software compression and PPP LCP extensions. Select the TCP/IP protocol and click the TCP/IP Settings button. Note that under a PPP connection, the TCP/IP Settings dialog box contains radio-button options for a server-assigned IP address and server-assigned name server addresses.
  1. Click Cancel to exit TCP/IP Settings, Cancel to exit New Phonebook Entry, and Close to exit Dial-Up Networking.