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class="theme-doc-markdown markdown"><header><h1>学校的网络结构</h1></header>
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<h2 class="anchor anchorWithStickyNavbar_LWe7" id="概况">概况<a href="#概况" class="hash-link" aria-label="Direct link to 概况" title="Direct link to 概况"></a></h2>
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<p>电子科技大学中山学院校园网络分为教学网络和学生宿舍网络，教学网络主要用于学校各教学楼、实验楼、图书馆等供老师、教职工和学生上课上机使用，是属于教育科研网络。学生宿舍网络主要由中国电信、中国联通、中国移动直接提供服务，是属于运营商提供服务的网络。</p>
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<p>无论是教学网络还是学生宿舍网络，都属于校园网，可访问学校图书馆、知网资源。但是，学生宿舍网络无法访问教学网络的部分资源（如实验楼FTP服务器、经管学院的实践教学中心模拟系统等），如有需要，可到图书馆访问。</p>
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<p><strong>本维修手册，主要针对的是学生宿舍网络。</strong></p>
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<p>目前（2017年12月），我校全部的学生宿舍，包括朝晖苑、香晖苑（ABCD栋）、凤翔宿舍区（1-6栋）、北门宿舍区（7-11栋）、东门宿舍区（12-15、20-22栋）、歧头山宿舍区（16-19栋）都可接入中国电信的上网服务。</p>
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<p>其中，朝晖苑、香晖苑（ABCD栋）和凤翔宿舍区（1-6栋）还可选择中国移动网络。
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只有香晖苑（ABCD栋）可选择中国联通的网络。</p>
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<h2 class="anchor anchorWithStickyNavbar_LWe7" id="连接方式">连接方式<a href="#连接方式" class="hash-link" aria-label="Direct link to 连接方式" title="Direct link to 连接方式"></a></h2>
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<p><strong>对于学生宿舍网络：</strong><br>
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<!-- -->电信需要使用专门的客户端来连接，移动需要先在内网完成验证再连接，而联通是直接进行拨号连接<br>
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<strong>对于教学区公共Wi-Fi:</strong><br>
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<!-- -->使用“掌上连峰”APP连接</p>
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<h2 class="anchor anchorWithStickyNavbar_LWe7" id="拓扑">拓扑<a href="#拓扑" class="hash-link" aria-label="Direct link to 拓扑" title="Direct link to 拓扑"></a></h2>
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<p>每个有线网用户的端口都会被分配一个内网IP地址，以172开头，由楼层交换机转换为光纤到楼栋交换机，到学校路由器通过NAT访问公网<br>
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<!-- -->Wi-Fi用户则通过每个宿舍的路由器连接网络，和有线网走同一个交换机（通常是占用宿舍1号床的端口连接到交换机，这种情况下1号床的同学就需要把自己的网线插到路由器上，而不是插到已经占用的端口上）</p>
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<h3 class="anchor anchorWithStickyNavbar_LWe7" id="电信">电信<a href="#电信" class="hash-link" aria-label="Direct link to 电信" title="Direct link to 电信"></a></h3>
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<p>电信是学校的主要运营商，在各个宿舍片区都有提供服务，目前，电信主要是光纤接入楼层，然后通过ONU变成电信号转到各个宿舍的路由器（启用了Wi-Fi功能），然后再接入床位的端口（有的路由器可能路由器LAN不够，还会再接一个交换机）,如图：</p>
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<!-- -->
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<p>电信有计划逐步升级到光纤入宿舍(FTTR)的模式，在这种模式下，将光路接到宿舍，接入一个集成有Wi-Fi路由功能的光猫，将双绞线接入各个端口，关于各大片区升级光纤网络的情况，请查看wiki的“片区信息”</p>
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<!-- -->
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<p>电信的路由器带有Wi-Fi功能，提供无线接入的途径，产品名称叫做"F-Young",SSID以<code>FY</code>开头，一般是<code>FY-楼栋-宿舍号</code></p>
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<h3 class="anchor anchorWithStickyNavbar_LWe7" id="联通">联通<a href="#联通" class="hash-link" aria-label="Direct link to 联通" title="Direct link to 联通"></a></h3>
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<p>联通目前只在香晖有提供服务，架构是"宿舍-楼层配线架-交换机-ONU"</p>
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<!-- -->
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<h3 class="anchor anchorWithStickyNavbar_LWe7" id="移动">移动<a href="#移动" class="hash-link" aria-label="Direct link to 移动" title="Direct link to 移动"></a></h3>
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