Installing Required Packages To implement the dial-up infrastrcuture described in this chapter, it is required to have installed the Dialup Networking Support group of packages available in the [base] repository of &TCD;. The installtion of this group of packages is required both in server and client computers. If you don't have this group of packages installed in your computer, then you can do it as the following command describes: sudo yum groupinstall "Dialup Networking Support" Other packages might be required based on whether you are configuring the computer to be a server or a client. The implementation described in this chapter considers both a server and client configuration so you can pick up the one that better fits your needs. The Server Installation ... The Client Installation ...