<p>TFTPはファイル転送を行うためのプロトコルで、FTPとくらべて簡易な仕様となっており、ユーザ名やパスワードなどによる認証機能がありません。「tftpクライアント機能」としてWindowsに実装されています。<&sol;p>&NewLine;<p>メインに使っているYAMAHAルーター「RTX1100」の設定ファイルを送受信するためにtftpクライアント機能を使っています。<&sol;p>&NewLine;<ul>&NewLine;<li>RTX1100の現在の設定を受信（バックアップ）<&sol;li>&NewLine;<li>ネットワーク設定を追加するときにRTX1100に送信（リストア）<&sol;li>&NewLine;<&sol;ul>&NewLine;<p>tftpクライアント機能はDOSプロンプトから実行する。Windows Xpではtftp機能がデフォルトでONになっているのでそのまま使えますが、<span style&equals;"color&colon; &num;ff0000&semi;">WindowsVistaやWindows7ではONにしないと使えません。<&sol;span><&sol;p>&NewLine;<p>ためしに設定しないでコマンドプロンプトからtftpを実行すると<br &sol;>&NewLine;&srarr;tftpは、［内部コマンドまたは外部コマンド、操作可能なプログラムまたはバッチ ファイルとして認識されていません］とメッセージ表示され実行できない<&sol;p>&NewLine;<h3>tftpクライアント機能を使えるように設定（Windows7&rpar;<&sol;h3>&NewLine;<p>コントロールパネルから［プログラム］をクリック<&sol;p>&NewLine;<p><a href&equals;"https&colon;&sol;&sol;bacque&period;biz&sol;wp-content&sol;uploads&sol;2015&sol;05&sol;495584e2fb2982ec03b44c336b4c92a3&period;jpg"><img data-attachment-id&equals;"3139" data-permalink&equals;"https&colon;&sol;&sol;bacque&period;biz&sol;archives&sol;57&sol;attachment-0" data-orig-file&equals;"https&colon;&sol;&sol;i0&period;wp&period;com&sol;bacque&period;biz&sol;wp-content&sol;uploads&sol;2015&sol;05&sol;495584e2fb2982ec03b44c336b4c92a3&period;jpg&quest;fit&equals;822&percnt;2C598&amp&semi;ssl&equals;1" data-orig-size&equals;"822&comma;598" data-comments-opened&equals;"1" data-image-meta&equals;"&lbrace;&quot&semi;aperture&quot&semi;&colon;&quot&semi;0&quot&semi;&comma;&quot&semi;credit&quot&semi;&colon;&quot&semi;&quot&semi;&comma;&quot&semi;camera&quot&semi;&colon;&quot&semi;&quot&semi;&comma;&quot&semi;caption&quot&semi;&colon;&quot&semi;&quot&semi;&comma;&quot&semi;created&lowbar;timestamp&quot&semi;&colon;&quot&semi;0&quot&semi;&comma;&quot&semi;copyright&quot&semi;&colon;&quot&semi;&quot&semi;&comma;&quot&semi;focal&lowbar;length&quot&semi;&colon;&quot&semi;0&quot&semi;&comma;&quot&semi;iso&quot&semi;&colon;&quot&semi;0&quot&semi;&comma;&quot&semi;shutter&lowbar;speed&quot&semi;&colon;&quot&semi;0&quot&semi;&comma;&quot&semi;title&quot&semi;&colon;&quot&semi;&quot&semi;&comma;&quot&semi;orientation&quot&semi;&colon;&quot&semi;0&quot&semi;&rcub;" data-image-title&equals;"20150523&lowbar;104203&lowbar;プログラムの有効化" data-image-description&equals;"" data-image-caption&equals;"" data-medium-file&equals;"https&colon;&sol;&sol;i0&period;wp&period;com&sol;bacque&period;biz&sol;wp-content&sol;uploads&sol;2015&sol;05&sol;495584e2fb2982ec03b44c336b4c92a3&period;jpg&quest;fit&equals;400&percnt;2C291&amp&semi;ssl&equals;1" data-large-file&equals;"https&colon;&sol;&sol;i0&period;wp&period;com&sol;bacque&period;biz&sol;wp-content&sol;uploads&sol;2015&sol;05&sol;495584e2fb2982ec03b44c336b4c92a3&period;jpg&quest;fit&equals;660&percnt;2C480&amp&semi;ssl&equals;1" class&equals;"alignnone size-medium wp-image-3139" src&equals;"https&colon;&sol;&sol;bacque&period;biz&sol;wp-content&sol;uploads&sol;2015&sol;05&sol;495584e2fb2982ec03b44c336b4c92a3-400x291&period;jpg" alt&equals;"20150523&lowbar;104203&lowbar;プログラムの有効化" width&equals;"400" height&equals;"291" &sol;><&sol;a><br &sol;>&NewLine;［プログラムと機能］をクリック<&sol;p>&NewLine;<p><a href&equals;"https&colon;&sol;&sol;bacque&period;biz&sol;wp-content&sol;uploads&sol;2015&sol;05&sol;2af8b5f1c1b993a320c16ed5b8b7e11f&period;jpg"><img data-attachment-id&equals;"3140" data-permalink&equals;"https&colon;&sol;&sol;bacque&period;biz&sol;archives&sol;57&sol;attachment-0" data-orig-file&equals;"https&colon;&sol;&sol;i0&period;wp&period;com&sol;bacque&period;biz&sol;wp-content&sol;uploads&sol;2015&sol;05&sol;2af8b5f1c1b993a320c16ed5b8b7e11f&period;jpg&quest;fit&equals;822&percnt;2C598&amp&semi;ssl&equals;1" data-orig-size&equals;"822&comma;598" data-comments-opened&equals;"1" data-image-meta&equals;"&lbrace;&quot&semi;aperture&quot&semi;&colon;&quot&semi;0&quot&semi;&comma;&quot&semi;credit&quot&semi;&colon;&quot&semi;&quot&semi;&comma;&quot&semi;camera&quot&semi;&colon;&quot&semi;&quot&semi;&comma;&quot&semi;caption&quot&semi;&colon;&quot&semi;&quot&semi;&comma;&quot&semi;created&lowbar;timestamp&quot&semi;&colon;&quot&semi;0&quot&semi;&comma;&quot&semi;copyright&quot&semi;&colon;&quot&semi;&quot&semi;&comma;&quot&semi;focal&lowbar;length&quot&semi;&colon;&quot&semi;0&quot&semi;&comma;&quot&semi;iso&quot&semi;&colon;&quot&semi;0&quot&semi;&comma;&quot&semi;shutter&lowbar;speed&quot&semi;&colon;&quot&semi;0&quot&semi;&comma;&quot&semi;title&quot&semi;&colon;&quot&semi;&quot&semi;&comma;&quot&semi;orientation&quot&semi;&colon;&quot&semi;0&quot&semi;&rcub;" data-image-title&equals;"20150523&lowbar;104229&lowbar;プログラムの有効化" data-image-description&equals;"" data-image-caption&equals;"" data-medium-file&equals;"https&colon;&sol;&sol;i0&period;wp&period;com&sol;bacque&period;biz&sol;wp-content&sol;uploads&sol;2015&sol;05&sol;2af8b5f1c1b993a320c16ed5b8b7e11f&period;jpg&quest;fit&equals;400&percnt;2C291&amp&semi;ssl&equals;1" data-large-file&equals;"https&colon;&sol;&sol;i0&period;wp&period;com&sol;bacque&period;biz&sol;wp-content&sol;uploads&sol;2015&sol;05&sol;2af8b5f1c1b993a320c16ed5b8b7e11f&period;jpg&quest;fit&equals;660&percnt;2C480&amp&semi;ssl&equals;1" class&equals;"alignnone size-medium wp-image-3140" src&equals;"https&colon;&sol;&sol;bacque&period;biz&sol;wp-content&sol;uploads&sol;2015&sol;05&sol;2af8b5f1c1b993a320c16ed5b8b7e11f-400x291&period;jpg" alt&equals;"20150523&lowbar;104229&lowbar;プログラムの有効化" width&equals;"400" height&equals;"291" &sol;><&sol;a><br &sol;>&NewLine;画面の左メニューより［Windowsの機能の有効化または無効化］をクリック<&sol;p>&NewLine;<p><a href&equals;"https&colon;&sol;&sol;bacque&period;biz&sol;wp-content&sol;uploads&sol;2015&sol;05&sol;070b2da6841c633c22a9d230db8c2435&period;jpg"><img data-attachment-id&equals;"3141" data-permalink&equals;"https&colon;&sol;&sol;bacque&period;biz&sol;archives&sol;57&sol;attachment-0" data-orig-file&equals;"https&colon;&sol;&sol;i0&period;wp&period;com&sol;bacque&period;biz&sol;wp-content&sol;uploads&sol;2015&sol;05&sol;070b2da6841c633c22a9d230db8c2435&period;jpg&quest;fit&equals;822&percnt;2C598&amp&semi;ssl&equals;1" data-orig-size&equals;"822&comma;598" data-comments-opened&equals;"1" data-image-meta&equals;"&lbrace;&quot&semi;aperture&quot&semi;&colon;&quot&semi;0&quot&semi;&comma;&quot&semi;credit&quot&semi;&colon;&quot&semi;&quot&semi;&comma;&quot&semi;camera&quot&semi;&colon;&quot&semi;&quot&semi;&comma;&quot&semi;caption&quot&semi;&colon;&quot&semi;&quot&semi;&comma;&quot&semi;created&lowbar;timestamp&quot&semi;&colon;&quot&semi;0&quot&semi;&comma;&quot&semi;copyright&quot&semi;&colon;&quot&semi;&quot&semi;&comma;&quot&semi;focal&lowbar;length&quot&semi;&colon;&quot&semi;0&quot&semi;&comma;&quot&semi;iso&quot&semi;&colon;&quot&semi;0&quot&semi;&comma;&quot&semi;shutter&lowbar;speed&quot&semi;&colon;&quot&semi;0&quot&semi;&comma;&quot&semi;title&quot&semi;&colon;&quot&semi;&quot&semi;&comma;&quot&semi;orientation&quot&semi;&colon;&quot&semi;0&quot&semi;&rcub;" data-image-title&equals;"20150523&lowbar;104243&lowbar;プログラムの有効化" data-image-description&equals;"" data-image-caption&equals;"" data-medium-file&equals;"https&colon;&sol;&sol;i0&period;wp&period;com&sol;bacque&period;biz&sol;wp-content&sol;uploads&sol;2015&sol;05&sol;070b2da6841c633c22a9d230db8c2435&period;jpg&quest;fit&equals;400&percnt;2C291&amp&semi;ssl&equals;1" data-large-file&equals;"https&colon;&sol;&sol;i0&period;wp&period;com&sol;bacque&period;biz&sol;wp-content&sol;uploads&sol;2015&sol;05&sol;070b2da6841c633c22a9d230db8c2435&period;jpg&quest;fit&equals;660&percnt;2C480&amp&semi;ssl&equals;1" class&equals;"alignnone size-medium wp-image-3141" src&equals;"https&colon;&sol;&sol;bacque&period;biz&sol;wp-content&sol;uploads&sol;2015&sol;05&sol;070b2da6841c633c22a9d230db8c2435-400x291&period;jpg" alt&equals;"20150523&lowbar;104243&lowbar;プログラムの有効化" width&equals;"400" height&equals;"291" &sol;><&sol;a><br &sol;>&NewLine;TFTPクライアントにチェックを入れ、&lbrack;OK&rsqb;ボタンをクリック<&sol;p>&NewLine;<p><a href&equals;"https&colon;&sol;&sol;bacque&period;biz&sol;wp-content&sol;uploads&sol;2015&sol;05&sol;8ba090979e9ec93dc1a132c403b17e61&period;jpg"><img data-attachment-id&equals;"3142" data-permalink&equals;"https&colon;&sol;&sol;bacque&period;biz&sol;archives&sol;57&sol;attachment-0" data-orig-file&equals;"https&colon;&sol;&sol;i0&period;wp&period;com&sol;bacque&period;biz&sol;wp-content&sol;uploads&sol;2015&sol;05&sol;8ba090979e9ec93dc1a132c403b17e61&period;jpg&quest;fit&equals;786&percnt;2C450&amp&semi;ssl&equals;1" data-orig-size&equals;"786&comma;450" data-comments-opened&equals;"1" data-image-meta&equals;"&lbrace;&quot&semi;aperture&quot&semi;&colon;&quot&semi;0&quot&semi;&comma;&quot&semi;credit&quot&semi;&colon;&quot&semi;&quot&semi;&comma;&quot&semi;camera&quot&semi;&colon;&quot&semi;&quot&semi;&comma;&quot&semi;caption&quot&semi;&colon;&quot&semi;&quot&semi;&comma;&quot&semi;created&lowbar;timestamp&quot&semi;&colon;&quot&semi;0&quot&semi;&comma;&quot&semi;copyright&quot&semi;&colon;&quot&semi;&quot&semi;&comma;&quot&semi;focal&lowbar;length&quot&semi;&colon;&quot&semi;0&quot&semi;&comma;&quot&semi;iso&quot&semi;&colon;&quot&semi;0&quot&semi;&comma;&quot&semi;shutter&lowbar;speed&quot&semi;&colon;&quot&semi;0&quot&semi;&comma;&quot&semi;title&quot&semi;&colon;&quot&semi;&quot&semi;&comma;&quot&semi;orientation&quot&semi;&colon;&quot&semi;0&quot&semi;&rcub;" data-image-title&equals;"20150523&lowbar;104301&lowbar;プログラムの有効化" data-image-description&equals;"" data-image-caption&equals;"" data-medium-file&equals;"https&colon;&sol;&sol;i0&period;wp&period;com&sol;bacque&period;biz&sol;wp-content&sol;uploads&sol;2015&sol;05&sol;8ba090979e9ec93dc1a132c403b17e61&period;jpg&quest;fit&equals;400&percnt;2C229&amp&semi;ssl&equals;1" data-large-file&equals;"https&colon;&sol;&sol;i0&period;wp&period;com&sol;bacque&period;biz&sol;wp-content&sol;uploads&sol;2015&sol;05&sol;8ba090979e9ec93dc1a132c403b17e61&period;jpg&quest;fit&equals;660&percnt;2C378&amp&semi;ssl&equals;1" class&equals;"alignnone size-medium wp-image-3142" src&equals;"https&colon;&sol;&sol;bacque&period;biz&sol;wp-content&sol;uploads&sol;2015&sol;05&sol;8ba090979e9ec93dc1a132c403b17e61-400x229&period;jpg" alt&equals;"20150523&lowbar;104301&lowbar;プログラムの有効化" width&equals;"400" height&equals;"229" &sol;><&sol;a><br &sol;>&NewLine;Windows7 32bit版では以上でコマンドが使えるようになります。<br &sol;>&NewLine;64bit版はシステムフォルダ「C&colon;&bsol;Windows&bsol;System32」にあるTFTP&period;exeを、「C&colon;&bsol;Windows&bsol;SysWOW64」にコピーする必要があります。<&sol;p>&NewLine;