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P-334U/P-335U User’s Guide
Appendix C Setting up Your Computer’s IP Address 269
1 Assuming that you have only one network card on the computer, locate the ifconfig-
eth0
configuration file (where eth0 is the name of the Ethernet card). Open the
configuration file with any plain text editor.
• If you have a dynamic IP address, enter dhcp in the BOOTPROTO=
field. The following figure shows an example.
Figure 183 Red Hat 9.0: Dynamic IP Address Setting in ifconfig-eth0
DEVICE=eth0
ONBOOT=yes
BOOTPROTO=dhcp
USERCTL=no
PEERDNS=yes
TYPE=Ethernet
• If you have a static IP address, enter static in the BOOTPROTO=
field. Type
IPADDR= followed by the IP address (in dotted decimal
notation) and type
NETMASK= followed by the subnet mask. The
following example shows an example where the static IP address is
192.168.1.10 and the subnet mask is 255.255.255.0.
Figure 184 Red Hat 9.0: Static IP Address Setting in ifconfig-eth0
DEVICE=eth0
ONBOOT=yes
BOOTPROTO=static
IPADDR=192.168.1.10
NETMASK=255.255.255.0
USERCTL=no
PEERDNS=yes
TYPE=Ethernet
2 If you know your DNS server IP address(es), enter the DNS server information in the
resolv.conf file in the /etc directory. The following figure shows an example where
two DNS server IP addresses are specified.
Figure 185 Red Hat 9.0: DNS Settings in resolv.conf
nameserver 172.23.5.1
nameserver 172.23.5.2
3 After you edit and save the configuration files, you must restart the network card. Enter
./network restart in the /etc/rc.d/init.d directory. The following figure
shows an example.