<?xml version="1.0" encoding="utf-8"?>
<page xmlns="http://projectmallard.org/1.0/" xmlns:its="http://www.w3.org/2005/11/its" type="topic" style="tip" id="net-macaddress" lang="ja">

  <info>
    <link type="guide" xref="net-general"/>

    <revision pkgversion="3.7.1" version="0.2" date="2012-11-16" status="outdated"/>
    <revision pkgversion="3.10" date="2013-10-30" status="review"/>
    <revision pkgversion="3.18" date="2015-09-28" status="final"/>

    <credit type="author">
      <name>Shaun McCance</name>
      <email>shaunm@gnome.org</email>
    </credit>
    <credit type="author">
      <name>Jim Campbell</name>
      <email>jwcampbell@gmail.com</email>
    </credit>
    <credit type="editor">
      <name>Michael Hill</name>
      <email>mdhillca@gmail.com</email>
    </credit>
    <credit type="editor">
      <name>Ekaterina Gerasimova</name>
      <email>kittykat3756@gmail.com</email>
    </credit>

    <license xmlns="http://projectmallard.org/1.0/" href="https://creativecommons.org/licenses/by-sa/3.0/">
  <p>This work is licensed under a <link href="https://creativecommons.org/licenses/by-sa/3.0/">Creative
  Commons Attribution-ShareAlike 3.0 Unported License</link>.</p>
</license>

    <desc>ネットワークハードウェアに割り当てられる固有の識別子です。</desc>
  <credit type="translator copyright"><name>松澤 二郎</name><email>jmatsuzawa@gnome.org</email><years>2011, 2012, 2013, 2014, 2015</years></credit><credit type="translator copyright"><name>赤星 柔充</name><email>yasumichi@vinelinux.org</email><years>2011, 2012</years></credit><credit type="translator copyright"><name>Kentaro KAZUHAMA</name><email>kazken3@gmail.com</email><years>2012</years></credit><credit type="translator copyright"><name>Shushi Kurose</name><email>md81bird@hitaki.net</email><years>2012</years></credit><credit type="translator copyright"><name>Noriko Mizumoto</name><email>noriko@fedoraproject.org</email><years>2013, 2014</years></credit><credit type="translator copyright"><name>坂本 貴史</name><email>o-takashi@sakamocchi.jp</email><years>2013, 2014</years></credit><credit type="translator copyright"><name>日本GNOMEユーザー会</name><email>http://www.gnome.gr.jp/</email><years>2011, 2012</years></credit></info>

  <title>MAC アドレスとは</title>

  <p><em>MAC アドレス</em>とは、メーカーによってネットワークハードウェア (ワイヤレスカード、Ethernet カードなど) に割り当てられる固有識別子になります。MAC は <em>Media Access Control</em> の略です。各識別子はデバイスに対して固有となります。</p>

  <p>MAC アドレスは 2 つの文字を 1 セットとして、6 つの文字セットをコロンで区切ったものになります。たとえば、<code>00:1B:44:11:3A:B7</code> などのようになります。</p>

  <p>自分のネットワークハードウェアの MAC アドレスを識別する:</p>

  <steps>
    <item>
      <p>Open the <gui xref="shell-introduction#activities">Activities</gui> overview and
      start typing <gui>Network</gui> for wired connections or <gui>Wi-Fi</gui> for
      wireless connections.</p>
    </item>
    <item>
      <p>Click on <gui>Network</gui> or <gui>Wi-Fi</gui> to open the panel.</p>
    </item>
    <item>
      <p>Click the <media its:translate="no" type="image" src="figures/emblem-system-symbolic.svg"><span its:translate="yes">settings</span></media>
      button next to the active connection.</p>
    </item>
    <item>
      <p>The MAC address for the device will be displayed as the
      <gui>Hardware Address</gui> in the <gui>Details</gui> panel.</p>
    </item>
  </steps>

  <p>In practice, you may need to modify or “spoof” a MAC address. For example,
  some internet service providers may require that a specific MAC address be
  used to access their service. If the network card stops working, and you need
  to swap a new card in, the service won’t work anymore. In such cases, you
  would need to spoof the MAC address.</p>

</page>
