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	<title>Kangzj &#187; redhat</title>
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		<title>为CentOS/Redhat/Fedora添加多个IPv6地址</title>
		<link>http://kangzj.net/add-multiple-ipv6-addressed-to-centos-redhat-fedora/</link>
		<comments>http://kangzj.net/add-multiple-ipv6-addressed-to-centos-redhat-fedora/#comments</comments>
		<pubDate>Wed, 24 Mar 2010 13:00:37 +0000</pubDate>
		<dc:creator>kangzj</dc:creator>
				<category><![CDATA[服务器OS]]></category>
		<category><![CDATA[centos]]></category>
		<category><![CDATA[fedora]]></category>
		<category><![CDATA[ipv6]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[redhat]]></category>

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		<description><![CDATA[为CentOS/Redhat/Fedora批量增加IPv6地址的两种方法，一种是执行命令方法，另一种是修改配置文件的方法。]]></description>
			<content:encoded><![CDATA[<p>这年头IPv4地址紧张得要命，但是IPv6地址却泛滥地要命。很多服务器托管商分配IPv6地址的时候一般直接分配/64，也就是2的64次方个地址，比所有的IPv4地址加起来还多。地址多了，加起来也要命，下面介绍两种为CentOS/Fedora/Redhat批量添加多个IPv6地址的方法。</p>
<blockquote><p>假设要为eth0添加2607:f0d0:1002:11::10 到 2607:f0d0:1002:11::50共41个IPv6地址</p></blockquote>
<p><span id="more-1713"></span></p>
<h3>方法一：打开/etc/rc.local添加增加IPv6地址的命令</h3>
<div style="background: none repeat scroll 0% 0% #fdfdfd; color: black;"><span style="text-decoration: underline;">Bash语言</span>:</div>
<div class="source" style="font-family: &amp;amp;amp; color: #000000; background-color: #f9f7ed;"><span style="color: #008000;">#IP Alias</span><br />
<span style="color: #0000ff;">for </span><span style="color: #000000;">ip in </span><span style="color: #000000;">{</span><span style="color: #000000;">10..40</span><span style="color: #000000;">}</span>; <span style="color: #0000ff;">do</span><span style="color: #000000;"> /sbin/ifconfig eth0 inet6 add 2607:f0d0:1002:11::</span><span style="color: #0000ff;">${</span><span style="color: #000000;">ip</span><span style="color: #0000ff;">}</span><span style="color: #000000;">/64; </span><span style="color: #0000ff;">done</span></div>
<p>在命令行执行一下，再添加到rc.local，这样重启之后也有效了。</p>
<h3>方法二：修改/etc/sysconfig/network-script/ifcfg-eth0，增加Secondary IPv6地址</h3>
<div style="background: none repeat scroll 0% 0% #fdfdfd; color: black;"><span style="text-decoration: underline;">Bash语言</span>:</div>
<div class="source" style="font-family: &amp;amp;amp; color: #000000; background-color: #f9f7ed;"><span style="color: #000000;">IPV6ADDR_SECONDARIES</span><span style="color: #000000;">=</span><span style="color: #a31515;">“2607:f0d0:1002:11::10/64 \</span><br />
<span style="color: #a31515;">2607:f0d0:1002:11::11/64 \</span><br />
<span style="color: #a31515;">2607:f0d0:1002:11::12/64 \</span><br />
<span style="color: #a31515;">2607:f0d0:1002:11::13/64 \</span><br />
<span style="color: #a31515;">2607:f0d0:1002:11::14/64&#8243;</span></div>
<p>添加完成后，重启网络接口即可：</p>
<div style="background: none repeat scroll 0% 0% #fdfdfd; color: black;"><span style="text-decoration: underline;">Bash语言</span>:</div>
<div class="source" style="font-family: &amp;amp;amp; color: #000000; background-color: #f9f7ed;"><span style="color: #000000;">service network restart</span></div>
<p>有时新加的IPv6地址不能立即ping通，稍等几分钟之后即可。</p>
<p>最后宣传下我的 IPv6代理 ： <a href="http://ipv6-proxy.kangzj.net/" target="_blank">http://ipv6-proxy.kangzj.net/</a></p>
<p style='text-align:left'>&copy; 2010, <a href='http://kangzj.net'>kangzj</a>. 版权所有.  </p>
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