ネットワークの設定2014/08/01

[1]	ネットワークの設定を固定IPアドレスに変更します。

[root@dlp ~]#

vi /etc/sysconfig/network-scripts/ifcfg-eth0

DEVICE=eth0
HWADDR=00:50:43:00:3B:AE
TYPE=Ethernet
UUID=c1539085-73d7-4455-ac82-88f26464458a

# 変更

ONBOOT=

yes

NM_CONTROLLED=yes

# 変更

BOOTPROTO=

none

# 以下、追記

# サーバーに割り当てるIPアドレス

IPADDR=10.0.0.30

# サブネットマスク

NETMASK=255.255.255.0

# デフォルトゲートウェイ

GATEWAY=10.0.0.1

# DNSサーバーのIPアドレス

DNS1=10.0.0.10
IPV6INIT=no
USERCTL=no

[root@dlp ~]#

/etc/rc.d/init.d/network restart

Shutting down interface eth0: [ OK ]
Shutting down loopback interface: [ OK ]
Bringing up loopback interface: [ OK ]
Bringing up interface eth0: [ OK ]
[root@dlp ~]#

chkconfig network on

[root@dlp ~]#

ifconfig

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 00:0c:29:cd:9c:2d brd ff:ff:ff:ff:ff:ff
    inet 10.0.0.30/24 brd 10.0.0.255 scope global eth0
       valid_lft forever preferred_lft forever
    inet6 fe80::20c:29ff:fecd:9c2d/64 scope link
       valid_lft forever preferred_lft forever

[2]	必要なければIPv6を無効にしておきます。

[root@dlp ~]#

ifconfig

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 00:0c:29:cd:9c:2d brd ff:ff:ff:ff:ff:ff
    inet 10.0.0.30/24 brd 10.0.0.255 scope global eth0
       valid_lft forever preferred_lft forever
    inet6 fe80::20c:29ff:fecd:9c2d/64 scope link
       valid_lft forever preferred_lft forever

[root@dlp ~]#

vi /etc/sysctl.conf

# 最終行に追記

net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1

# 変更を反映

[root@dlp ~]#

sysctl -p

[root@dlp ~]#

ifconfig

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 00:0c:29:cd:9c:2d brd ff:ff:ff:ff:ff:ff
    inet 10.0.0.30/24 brd 10.0.0.255 scope global eth0
       valid_lft forever preferred_lft forever