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* Windowsでpingコマンドを実行してみる [#qc92f049]
Windowsにもpingコマンドがあります。~
以下に使用方法と実行例を記します。
#contents
#htmlinsertpcsp(win-top.html,win-sp.html)
* pingコマンドのオプション [#y680c485]
よく使いそうなpingコマンドのオプションを以下に記します。
- -a IPアドレス指定時、名前解決をする。
- -n パケット送信回数を指定できる。
- -w リプライの待ち時間をミリ秒で指定する(タイムアウト値)
Windowsのpingコマンドのヘルプは以下のようになっています。
C:\Documents and Settings\sakura>ping /?
Usage: ping [-t] [-a] [-n count] [-l size] [-f] [-i TTL] [-v TOS]
[-r count] [-s count] [[-j host-list] | [-k host-list]]
[-w timeout] target_name
Options:
-t Ping the specified host until stopped.
To see statistics and continue - type Control-Break;
To stop - type Control-C.
-a Resolve addresses to hostnames.
-n count Number of echo requests to send.
-l size Send buffer size.
-f Set Don't Fragment flag in packet.
-i TTL Time To Live.
-v TOS Type Of Service.
-r count Record route for count hops.
-s count Timestamp for count hops.
-j host-list Loose source route along host-list.
-k host-list Strict source route along host-list.
-w timeout Timeout in milliseconds to wait for each reply.
* pingコマンドを実行してみる [#pd35048c]
www.yahoo.co.jpにpingを送信した出力結果です。~
- オプションなし
デフォルトのping回数は4回になっています。
C:\Documents and Settings\sakura>ping www.yahoo.co.jp
Pinging www.g.yahoo.co.jp [124.83.147.212] with 32 bytes of data:
Reply from 124.83.147.212: bytes=32 time=19ms TTL=127
Reply from 124.83.147.212: bytes=32 time=24ms TTL=127
Reply from 124.83.147.212: bytes=32 time=27ms TTL=127
Reply from 124.83.147.212: bytes=32 time=22ms TTL=127
Ping statistics for 124.83.147.212:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 19ms, Maximum = 27ms, Average = 23ms
- オプション -n で回数を指定
オプション -n で1回を指定したときの出力。
C:\Documents and Settings\sakura>ping -n 1 www.yahoo.co.jp
Pinging www.g.yahoo.co.jp [124.83.179.227] with 32 bytes of data:
Reply from 124.83.179.227: bytes=32 time=22ms TTL=127
Ping statistics for 124.83.179.227:
Packets: Sent = 1, Received = 1, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 22ms, Maximum = 22ms, Average = 22ms
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