CentOS Network Interface configuration file Ifcfg-eth detailed

======centos Network Interface configuration file Ifcfg-eth detailed ======

File/etc/sysconfig/network-scripts/ifcfg-eth0 in/etc/sysconfig/network-script under this directory, the network interface (NIC) script file (control file) is stored, Ifcfg-eth0 is the default first network interface, and if there is more than one network interface in the machine, then the name will be ifcfg-eth1,ifcfg-eth2,ifcfg-eth3 ... (The file inside is quite important, which involves the ability of the network to work properly).

= = = = Value = = = = = = = = = = =

Set project items as follows:

*device Interface Name (device, NIC)

*userctl [Yes|no] (whether the device can be controlled by a non-root user)

*bootproto IP Configuration method [None|static|bootp|dhcp] (No protocol at boot | Static allocation ip| BOOTP protocol | DHCP protocol)

*hwaddr MAC Address

*onboot the network interface is active when the system is started (yes/no)

*type network type (usually Ethemet)

*netmask Network Mask

*IPADDR IP Address

*ipv6init IPV6 is valid (yes/no)

*gateway Default gateway IP address

*broadcast Broadcast Address

*network Network Address

You can refer to the following example = = = = =

*device=eth0

*bootproto=static

*broadcast=192.168.1.255

*hwaddr=00:0c:2x:6x:0x:xx

*ipaddr=192.168.1.23

*netmask=255.255.255.0

*network=192.168.1.0

*onboot=yes

*type=ethernet

CentOS Network Interface configuration file Ifcfg-eth detailed