固定アドレスにする

設定値

良くわからない場合は、Windows のコマンドプロンプトで ipconfig /all を実行してみると良いだろう。

C:\>ipconfig /all

Windows IP Configuration

        Host Name . . . . . . . . . . . . : x31
        Primary Dns Suffix  . . . . . . . :
        Node Type . . . . . . . . . . . . : Hybrid
        IP Routing Enabled. . . . . . . . : No
        WINS Proxy Enabled. . . . . . . . : No
        DNS Suffix Search List. . . . . . : yamasita.jp

Ethernet adapter ローカル エリア接続:

        Connection-specific DNS Suffix  . : yamasita.jp
        Description . . . . . . . . . . . : Intel(R) PRO/100 VE Network Connecti
on
        Physical Address. . . . . . . . . : 00-0D-60-xx-yy-zz
        Dhcp Enabled. . . . . . . . . . . : Yes
        Autoconfiguration Enabled . . . . : Yes
        IP Address. . . . . . . . . . . . : 192.168.2.73
        Subnet Mask . . . . . . . . . . . : 255.255.255.0
        Default Gateway . . . . . . . . . : 192.168.2.1
                                            192.168.2.97
        DHCP Server . . . . . . . . . . . : 192.168.2.39
        DNS Servers . . . . . . . . . . . : 192.168.2.39
                                            192.168.1.2
        Lease Obtained. . . . . . . . . . : 2009年12月30日 20:58:57
        Lease Expires . . . . . . . . . . : 2009年12月31日 2:58:57

C:\>

/etc/network/interface

root@debian:~# cd /etc/network
root@debian:/etc/network# mv interfaces interfaces.orig
root@debian:/etc/network# cp interfaces.orig interfaces
root@debian:/etc/network# ls -l interfaces*
-rw-r--r-- 1 root root 156 Feb  4 18:12 interfaces
-rw-r--r-- 1 root root 156 Jan 25 16:52 interfaces.orig
root@debian:/etc/network# vi interfaces
	:
	:
root@debian:/etc/network# cat !$
cat interfaces
auto lo
iface lo inet loopback
address 127.0.0.1
netmask 255.0.0.0

#auto eth0
#iface eth0 inet dhcp
# /usr/share/doc/ifupdown/examples for more information.
auto eth0
iface eth0 inet static
        address 192.168.2.86
        network 192.168.2.0
        netmask 255.255.255.0
        broadcast  192.168.2.255
        gateway 192.168.2.1
root@debian:/etc/network#

/etc/resolv.conf

root@debian:/etc/network# vi /etc/resolv.conf
	:
	:
root@debian:/etc/network# cat !$
cat /etc/resolv.conf
domain yamasita.jp
search yamasita.jp
nameserver 192.168.2.39
root@debian:/etc/network#

再起動

root@debian:/etc/network# reboot
	:
	:

確認

root@debian:~# ifconfig
eth0      Link encap:Ethernet  HWaddr 00:50:43:01:69:3d
          inet addr:192.168.2.86  Bcast:192.168.2.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:16 errors:0 dropped:0 overruns:0 frame:0
          TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:532
          RX bytes:1294 (1.2 KB)  TX bytes:560 (560.0 B)
          Interrupt:11

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

root@debian:~# ping www.yahoo.co.jp
PING www.ya.gl.yahoo.co.jp (124.83.147.205) 56(84) bytes of data.
64 bytes from f3.top.vip.ogk.yahoo.co.jp (124.83.147.205): icmp_seq=1 ttl=49 time=24.5 ms
64 bytes from f3.top.vip.ogk.yahoo.co.jp (124.83.147.205): icmp_seq=2 ttl=49 time=23.6 ms
64 bytes from f3.top.vip.ogk.yahoo.co.jp (124.83.147.205): icmp_seq=3 ttl=49 time=23.6 ms
64 bytes from f3.top.vip.ogk.yahoo.co.jp (124.83.147.205): icmp_seq=4 ttl=49 time=24.7 ms
64 bytes from f3.top.vip.ogk.yahoo.co.jp (124.83.147.205): icmp_seq=5 ttl=49 time=23.3 ms
64 bytes from f3.top.vip.ogk.yahoo.co.jp (124.83.147.205): icmp_seq=6 ttl=49 time=24.3 ms

--- www.ya.gl.yahoo.co.jp ping statistics ---
6 packets transmitted, 6 received, 0% packet loss, time 7249ms
rtt min/avg/max/mdev = 23.303/24.043/24.725/0.554 ms
root@debian:~#

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