NOTE: CentOS Enterprise Linux is built from the Red Hat Enterprise Linux source code. Other than logo and name changes CentOS Enterprise Linux is compatible with the equivalent Red Hat version. This document applies equally to both Red Hat and CentOS Enterprise Linux.
a High Speed Connection
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
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
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.