在cent-os中，你可以redhat-config-network工具非常方便的配置网络信息。如果你没有安装这个工具也没关系，你可以通过直接编辑/etc/sysconfig/network-scripts/下面的网卡配置文件来进行配置，下面说明一下网卡配置文件夹的各个选项参数：
-
BOOTPROTO=<protocol>
, where
<protocol>
is one
of the following:-
none
— No
boot-time protocol should be used. -
bootp
— The BOOTP
protocol should be used. -
dhcp
— The DHCP
protocol should be used.
-
-
BROADCAST=<address>
, where
<address>
is the
broadcast address. This directive is deprecated. -
DEVICE=<name>
, where <name>
is the name
of the physical device (except for
dynamically-allocated PPP devices where it is the logical name
). -
DNS{1,2}
=<address>
, where
<address>
is a
name server address to be placed in /etc/resolv.conf
if the PEERDNS
directive is set to yes
. -
IPADDR=<address>
, where
<address>
is the
IP address. -
NETMASK=<mask>
, where <mask>
is the
netmask value. -
NETWORK=<address>
, where
<address>
is the
network address. This directive is deprecated. -
ONBOOT=<answer>
, where
<answer>
is one of
the following:-
yes
— This device
should be activated at boot-time. -
no
— This device
should not be activated at boot-time.
-
-
PEERDNS=<answer>
, where
<answer>
is one of
the following:-
yes
— Modify /etc/resolv.conf
if the DNS
directive is set. If using DCHP, then yes
is the default. -
no
— Do not
modify /etc/resolv.conf
.
-
-
SRCADDR=<address>
, where
<address>
is the
specified source IP address for outgoing packets. -
USERCTL=<answer>
, where
<answer>
is one of
the following:-
yes
— Non-root
users are allowed to control this device. -
no
— Non-root
users are not allowed to control this device.
-