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<page xmlns="http://projectmallard.org/1.0/" type="topic" style="tip" id="net-macaddress" xml:lang="ur">
<info>
<link type="guide" xref="net-general"/>
<revision pkgversion="3.7.1" version="0.2" date="2012-11-16" status="outdated"/>
<revision version="13.10" date="2013-09-15" status="review"/>
<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>
<desc>The unique identifier assigned to network hardware.</desc>
<include xmlns="http://www.w3.org/2001/XInclude" href="legal.xml"/>
</info>
<title>What is a MAC address?</title>
<p>A <em>MAC address</em> is the unique identifier that is assigned by the manufacturer to a piece of network hardware (like a wireless card or an Ethernet card). MAC stands for <em>Media Access Control</em>, and each identifier is intended to be unique to a particular device.</p>
<p>A MAC address consists of six sets of two characters, each separated by a colon. <code>00:1B:44:11:3A:B7</code> is an example of a MAC address.</p>
<p>To identify the MAC address of your own network hardware:</p>
<steps>
<item><p>Click the <gui>network menu</gui> on the menu bar.</p></item>
<item><p>Select <gui>Connection Information</gui>.</p></item>
<item><p>Your MAC address will be displayed as the <gui>Hardware Address</gui>.</p></item>
</steps>
<p>In practice, you may need to <link xref="net-wireless-edit-connection">modify or "spoof" a MAC address</link>. 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>
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