Configuring the Ethernet Adapter

Configuring the network interface is the next step in the Red Hat 7.2 installation process. If this is a system that was installed via the network, you're given the option of keeping the temporary configuration created for the installation. For all other systems, the network interface is configured at this time.

Note Details of the network configuration created by the installation program are covered in Chapter 2, "The Network Interface."

The Red Hat installation program provides two configuration techniques: DHCP (Dynamic Host Configuration Protocol) or manual configuration. Client systems can use DHCP. If you are configuring a desktop, simply select "Configure using DHCP" and the network configuration is complete, because the DHCP server provides all of the configuration information. To use DHCP, you must, of course, install, maintain, and operate a DHCP server. Chapter 8, "Desktop Configuration Servers," describes how to set up a DHCP server.

A Linux network server, however, is not usually configured by DHCP—a network server needs a dedicated address. To configure a server, manually enter an IP address, a network mask, a network address, a broadcast address, a hostname, a default gateway address, and up to three DNS server addresses. The Red Hat installation program makes its best guess for several of the configuration values based on the IP address you enter. Check these values to make sure they are what you really want. The values for all of these configuration parameters should be the values you decided on during the installation planning described earlier.

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