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itemtype="https://schema.org/ListItem" class="breadcrumbs__item"><a class="breadcrumbs__link" itemprop="item" href="/docs/wiki/杂项/"><span itemprop="name">杂项</span></a><meta itemprop="position" content="1"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">关于169.254.x.x的ip的问题汇总</span><meta itemprop="position" content="2"></li></ul></nav><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><div class="theme-doc-markdown markdown"><header><h1>关于169.254.x.x的ip的问题汇总</h1></header>
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<h2 class="anchor anchorWithStickyNavbar_LWe7" id="介绍">介绍<a href="#介绍" class="hash-link" aria-label="Direct link to 介绍" title="Direct link to 介绍"></a></h2>
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<p>有些用户在正常物理链接时并不会出现宿舍网络分配的172.x.x.x地址，而是出现了169.254.x.x的地址，有时候不需要管他也可以正常上网，但是有时候就不行，这里就汇集了关于这个问题的经验</p>
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<h2 class="anchor anchorWithStickyNavbar_LWe7" id="资料">资料<a href="#资料" class="hash-link" aria-label="Direct link to 资料" title="Direct link to 资料"></a></h2>
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<p>查阅资料可得知，这个是客户端开启了DHCP,但是服务端DHCP获取失败时，系统自动为本机分配的ip地址，不至于因为没有ip地址就无法内网通信了，应该是机房的DHCP服务器出现了问题，或者是用户的网络配置有问题，导致无法获取DHCP，于是就设置了这个fallback,技术好像叫APIPA</p>
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<p>总之，出现这种情况，应该是服务器和用户其中一个或者全部的DHCP出现了问题，如果只有用户一人出现了这种情况，那么应该是用户的问题，如果宿舍，一个楼层，都出现情况，那么应该是交换机或者路由器出现了问题</p>
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<p>参考：<a href="https://zhuanlan.zhihu.com/p/100732856" target="_blank" rel="noopener noreferrer">https://zhuanlan.zhihu.com/p/100732856</a></p>
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<h2 class="anchor anchorWithStickyNavbar_LWe7" id="实际情况">实际情况<a href="#实际情况" class="hash-link" aria-label="Direct link to 实际情况" title="Direct link to 实际情况"></a></h2>
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<p><strong>可以将你遇到的情况添加到这里：</strong></p>
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<hr>
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<p>在旧版wiki有如下文章:<a href="https://wiki.zsxyww.com/article/fault/%E6%95%85%E9%9A%9C0-%E8%8E%B7%E5%8F%96%E5%88%B0169-254%E5%BC%80%E5%A4%B4%E7%9A%84%E9%94%99%E8%AF%AFip%E5%9C%B0%E5%9D%80" target="_blank" rel="noopener noreferrer">链接</a>,应该是以前的人写的文章</p>
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<p>21-安德：这种情况朝晖一般不用管，凤翔据说也可以连接，香晖cd的话，有时候在交换机换口可以解决这个问题，他曾遇到过一个情况，使用USB2.0的转接器就会出现这种情况并且连不上网，用USB3.0的就可以,拿了3个USB3.0的都可以上网，就是USB2.0的不能用</p>
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<h2 class="anchor anchorWithStickyNavbar_LWe7" id="维修建议">维修建议<a href="#维修建议" class="hash-link" aria-label="Direct link to 维修建议" title="Direct link to 维修建议"></a></h2>
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<p>个人的意见：这种情况基本上是交换机的设置问题，可以把插在交换机上的线换到另一个交换机上去，无法解决的话上报组长</p></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="row margin-top--sm theme-doc-footer-edit-meta-row"><div class="col"><a href="https://github.com/ZSCNetSupportDept/website/tree/master/docs/wiki/11-杂项/关于169.254.x.x的ip问题汇总.md" target="_blank" rel="noopener noreferrer" class="theme-edit-this-page"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_Z9Sw" aria-hidden="true"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>Edit this page</a></div><div class="col lastUpdated_JAkA"><span class="theme-last-updated">Last updated<!-- --> on <b><time datetime="2025-06-13T19:54:13.000Z" itemprop="dateModified">Jun 13, 2025</time></b></span></div></div></footer></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href="/docs/wiki/杂项/MacOS修理指南"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">MacOS修理指南</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/docs/wiki/杂项/电信光猫相关问题的汇总"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">电信光猫相关问题的汇总</div></a></nav></div></div><div class="col col--3"><div class="tableOfContents_bqdL thin-scrollbar theme-doc-toc-desktop"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#介绍" class="table-of-contents__link toc-highlight">介绍</a></li><li><a href="#资料" class="table-of-contents__link toc-highlight">资料</a></li><li><a href="#实际情况" class="table-of-contents__link toc-highlight">实际情况</a></li><li><a href="#维修建议" class="table-of-contents__link toc-highlight">维修建议</a></li></ul></div></div></div></div></main></div></div></div><footer class="footer footer--dark"><div class="container container-fluid"><div class="footer__bottom text--center"><div class="footer__copyright">Copyright © 2025 ZSCNetworkSupport,Built with Docusaurus.</div></div></div></footer></div>
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