Figure 5-7 contains an example of an Ethernet connection configured to use DHCP to get
the information it needs to start up (IP address, Subnet mask, and so on) from a DHCP
server on your network. The Enable this connection check box indicates that the eth0
connection is started up automatically at boot time.
If your cable modem, DSL equipment or other network server offers a DHCP service, the
example shown in Figure 5-7 may be all you need to do. However, if no DHCP service is
available or you simply want to set your connection information manually, continue to
the next step.
3. If you want to manually configure your Ethernet connection, select the following from
the Interface Properties pop-up window:
Configuration??”Select Static IP address to be able to set your address information
manually, instead of getting it automatically from a DHCP service.
IP address??”Type the IP address you want to use for this computer into the IP
address box. This number must be unique on your network. For your private LAN,
you can use private IP addresses.
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Getting on the Internet 5
FIGURE 5-7
Use DHCP or static IP addresses for Ethernet connections in Ubuntu.
Subnet mask??”Enter the netmask in the Subnet mask box. The netmask indicates
the part of the IP address that represents the network.
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