Trustix Network Configuration

system network scripts

directory

• /etc/sysconfig

files

• /etc/sysconfig/network - The network configuration file for the gateway and subnet. See the following example:

NETWORKING=yes
FORWARD_IPV4=false
HOSTNAME=batman.superhero.com
DOMAINNAME=superhero.com
GATEWAY=192.168.193.121
GATEWAYDEV=eth0

directory

• /etc/sysconfig/network-scripts

files

• /etc/sysconfig/network-scripts/ifcfg-eth0 - Defines the IP address for the primary physical network interface
• /etc/sysconfig/network-scripts/ifcfg-eth0:1 - The first of X number aliases for an interface.

The Ethernet interface may have only 1 address assigned to it, or it may have a number of aliases also assigned. Each alias after the primary interface address are designated by the colon and following number on the series of network configuration files.

ifcfg-eth0 file example:

DEVICE=eth0
BOOTPROTO=static
BROADCAST=192.168.193.127
IPADDR=192.168.193.122
NETMASK=255.255.255.0
NETWORK=192.168.193.0
ONBOOT=yes

ifcfg-eth0:1 alias example:

DEVICE=eth0:1
BOOTPROTO=static
BROADCAST=192.168.193.127
IPADDR=192.168.193.123
NETMASK=255.255.255.0
NETWORK=192.168.193.0
ONBOOT=yes