|Red Hat Enterprise Linux 4: Red Hat Enterprise Linux Step By Step Guide|
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Creating a high-speed connection is similar to connecting a modem. There are, however, a few additional complications. Ask your ISP which of the following configurations is appropriate for your connection.
You may be required to configure your sytem to obtain an IP address through DHCP. To configure this type of connection, start the Internet Configuration Wizard, select Ethernet Connection, and select DHCP from the Configure Network Settings screen. Some DSL providers and most cable modem providers use this configuration.
Alternatively, some DSL providers require your system to use a PPPoE (Point-to-Point Protocol over Ethernet) connection. To configure this type of connection, start the Internet Configuration Wizard, select xDSL Connection, and follow the steps in the wizard. If you must supply a username and password to connect, you are probably using PPPoE.
For advanced configuration of client DHCP options such as protocol timing, lease requirements and requests, dynamic DNS support, aliases, as well as a wide variety of values to override, prepend, or append, refer to the dhclient and dhclient.conf man pages. You may also refer to the Red Hat Enterprise Linux System Administration Guide for more information.