THE NEXT WINDOW ASKS YOU TO PROVIDE THE USER ACCOUNT AND PASSWORDAS...

9. The next window asks you to provide the user account and passwordas your Dial Out Credentials. This will complete the Wizard, and a newrouting interface will be added in the Routing and Remote Accesswindow.

Figure 4.41

Choose New Demand-dial Interface

Figure 4.42

Choose an Appropriate Interface Name

Router-to-Router VPNs

Take two separate networks and put the Internet between them. Now, connect them usinga tunnel through the Internet.You create this tunnel using the Point-to-Point TunnelingProtocol (PPTP) or Layer Two Tunneling Protocol (L2TP), so that the data beingexchanged between the two networks is encrypted. But what’s the difference between anormal client VPN connection and this type of VPN? What can you use to connect thetwo networks together? You can use routers.You can use a router-to-router VPN to connect two separate networks together overthe Internet and still maintain security. Before we get into the specifics of setting up arouter-to-router VPN, let’s look briefly at how to set up a client VPN connection first.Thatway, you will understand the difference between the two and why you might want to useone over the other.The first step is to turn on the Windows Server 2003 VPN Server.

E XERCISE 4.04

I NSTALLING AND E NABLING

W INDOWS S ERVER 2003 VPN S ERVER

Installing and setting up a Windows Server 2003 VPN Server is simple. Justfollow these steps: