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<p>学校网络结构的整体介绍</p>
<div class="theme-admonition theme-admonition-warning admonition_xJq3 alert alert--warning"><div class="admonitionHeading_Gvgb"><span class="admonitionIcon_Rf37"><svg viewBox="0 0 16 16"><path fill-rule="evenodd" d="M8.893 1.5c-.183-.31-.52-.5-.887-.5s-.703.19-.886.5L.138 13.499a.98.98 0 0 0 0 1.001c.193.31.53.501.886.501h13.964c.367 0 .704-.19.877-.5a1.03 1.03 0 0 0 .01-1.002L8.893 1.5zm.133 11.497H6.987v-2.003h2.039v2.003zm0-3.004H6.987V5.987h2.039v4.006z"></path></svg></span>注意</div><div class="admonitionContent_BuS1"><p>🚧施工中🚧</p><p>这篇文章还没有写完呢!😛</p></div></div>
<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>
<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>
<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>
<p><strong>本wiki主要针对的是学生宿舍网络。</strong></p>
<p>目前2025年5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>
<p>其中歧头山宿舍区朝晖苑、香晖苑ABCD栋和凤翔宿舍区1-6栋还可选择中国移动网络。<br>
<!-- -->只有香晖苑ABCD栋可选择中国联通的网络。</p>
<p>校园网络核心交换机位于实验楼,校园网的两个部分(办公网和学生网)在这里分别接入电信局的认证服务器,连接中山市的国际互联网出口。</p>
<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>
<p><strong>对于学生宿舍网络:</strong><br>
<!-- -->三大运营商都有有线连接方式电信和移动的部分宿舍有Wi-Fi连接方式<br>
<strong>对于教学区公共Wi-Fi:</strong><br>
<!-- -->使用“掌上连峰”APP连接</p>
<h2 class="anchor anchorWithStickyNavbar_LWe7" id="宿舍内部架构">宿舍内部架构<a href="#宿舍内部架构" class="hash-link" aria-label="Direct link to 宿舍内部架构" title="Direct link to 宿舍内部架构"></a></h2>
<p>我们首先介绍一个宿舍中的结构:</p>
<p>目前学生宿舍有线网有FTTB(光纤到每层楼)和FTTR(光纤入宿舍)两种方式网维目前主要维护FTTB模式的有线网。</p>
<p>在FTTB模式下每个用户的端口通过<strong>网线</strong>连接到设置在每个楼层的交换机每个楼层的交换机作为ONU使用<strong>光纤或网线</strong>接入学校更大的网络</p>
<p>各大运营商都有自己的楼层交换机和宿舍路由器(如果有),但是从用户到交换机的墙线是共享的,用户使用哪个运营商的服务,就由网维负责将用户的端口接入哪个运营商的设备。</p>
<!-- -->
<p><em>用户用什么运营商,网维就负责把端口接到哪里去~比如用户接的是联通,那么线路就是电脑--&gt;端口--&gt;联通的交换机</em><br>
<!-- -->(另外每个有线网用户的端口都会被分配一个内网IP地址172开头号段由因所接的运营商而异。详见下一篇文章)</p>
<h3 class="anchor anchorWithStickyNavbar_LWe7" id="宿舍路由器">宿舍路由器<a href="#宿舍路由器" class="hash-link" aria-label="Direct link to 宿舍路由器" title="Direct link to 宿舍路由器"></a></h3>
<p><strong>在男生片区和部分女生片区,会有宿舍路由器/宿舍交换机中继</strong></p>
<p>宿舍路由器通常还提供Wi-Fi服务路由器有的是占用宿舍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
<img decoding="async" loading="lazy" alt="路由器" src="/assets/images/宿舍交换机的两种情况-bd5dad1aecef19e3e94cf69afd5cea6c.png" width="1832" height="1029" class="img_ev3q">
<em>一共有两种情况,也就是路由器是不是占用某个同学的端口连接到楼层交换机的</em></p>
<p>总结一下:</p>
<!-- -->
<p>或是没有路由器的情况:</p>
<!-- -->
<h3 class="anchor anchorWithStickyNavbar_LWe7" id="fttr架构">FTTR架构<a href="#fttr架构" class="hash-link" aria-label="Direct link to FTTR架构" title="Direct link to FTTR架构"></a></h3>
<p>在FTTR下把路由器换成光猫光猫暂时不归网维管,所以结构是这样的:</p>
<!-- -->
<h2 class="anchor anchorWithStickyNavbar_LWe7" id="校园网架构">校园网架构<a href="#校园网架构" class="hash-link" aria-label="Direct link to 校园网架构" title="Direct link to 校园网架构"></a></h2>
<div class="theme-admonition theme-admonition-tip admonition_xJq3 alert alert--success"><div class="admonitionHeading_Gvgb"><span class="admonitionIcon_Rf37"><svg viewBox="0 0 12 16"><path fill-rule="evenodd" d="M6.5 0C3.48 0 1 2.19 1 5c0 .92.55 2.25 1 3 1.34 2.25 1.78 2.78 2 4v1h5v-1c.22-1.22.66-1.75 2-4 .45-.75 1-2.08 1-3 0-2.81-2.48-5-5.5-5zm3.64 7.48c-.25.44-.47.8-.67 1.11-.86 1.41-1.25 2.06-1.45 3.23-.02.05-.02.11-.02.17H5c0-.06 0-.13-.02-.17-.2-1.17-.59-1.83-1.45-3.23-.2-.31-.42-.67-.67-1.11C2.44 6.78 2 5.65 2 5c0-2.2 2.02-4 4.5-4 1.22 0 2.36.42 3.22 1.19C10.55 2.94 11 3.94 11 5c0 .66-.44 1.78-.86 2.48zM4 14h5c-.23 1.14-1.3 2-2.5 2s-2.27-.86-2.5-2z"></path></svg></span>提示</div><div class="admonitionContent_BuS1"><p>下面所说均为电信网络架构,内容比较老且可能不符合实际情况,仅供参考。</p></div></div>
<p>如图所示,学校的核心交换机(华为S9306)设置在实验楼(具体地点未知),连接如下汇聚交换机:</p>
<table><thead><tr><th>名称</th><th>型号</th><th>位置</th><th>下联</th><th>备注</th></tr></thead><tbody><tr><td><strong>图书馆主交换机</strong></td><td>华为S9303</td><td>图书馆内</td><td>凤翔所有楼层交换机</td><td>凤翔除5栋在3楼、5楼外其余楼栋电信交换机设置在2楼、5楼交换机之间有级联</td></tr><tr><td><strong>新区主机房核心交换机</strong></td><td>华为S9303</td><td>9栋</td><td>7,8,9,1112-15栋的有线网络</td><td>12-15栋AP独立连接至学校核心交换机不走这个</td></tr><tr><td><strong>21栋4层S3352-1</strong></td><td>华为S3352</td><td>21栋4层机房第一个</td><td>20,21栋22栋A座1楼</td><td>暂无</td></tr><tr><td><strong>香晖核心交换机</strong></td><td>华为S9306</td><td>未知</td><td>香晖ABCD栋</td><td>有可能位于AB栋的某一处</td></tr><tr><td><strong>朝晖主交换机</strong></td><td>华为S5320</td><td>朝晖2楼第一个</td><td>朝晖苑</td><td>网络结构可能是其余楼层汇聚至2层的交换机2层交换机连接至学校核心交换机</td></tr><tr><td><strong>16-17栋核心交换机</strong></td><td>华为S8505</td><td>未知</td><td>16-17栋</td><td>楼层交换机位于2楼和5楼</td></tr><tr><td><strong>18-19栋核心交换机</strong></td><td>华为S8505</td><td>未知</td><td>18-19栋</td><td>18栋交换机在2楼、6楼19栋只有1楼有机房</td></tr></tbody></table>
<p><img decoding="async" loading="lazy" alt="网络结构" src="/assets/images/电科大-8f20f62b15f2e551de0d6a58cb061316.PNG" width="1136" height="506" class="img_ev3q">
<em>学校的总体网络结构,图片有点老,有的地方可能不准确</em></p>
<p>对于每个片区的详细结构线路,请自行查看每个片区的信息。</p>
<h2 class="anchor anchorWithStickyNavbar_LWe7" id="参考">参考<a href="#参考" class="hash-link" aria-label="Direct link to 参考" title="Direct link to 参考"></a></h2>
<p>[1]<a href="https://baike.baidu.com/item/%E7%94%B5%E5%AD%90%E7%A7%91%E6%8A%80%E5%A4%A7%E5%AD%A6%E4%B8%AD%E5%B1%B1%E5%AD%A6%E9%99%A2%E4%BF%A1%E6%81%AF%E4%B8%AD%E5%BF%83/1180595" target="_blank" rel="noopener noreferrer">https://baike.baidu.com/item/%E7%94%B5%E5%AD%90%E7%A7%91%E6%8A%80%E5%A4%A7%E5%AD%A6%E4%B8%AD%E5%B1%B1%E5%AD%A6%E9%99%A2%E4%BF%A1%E6%81%AF%E4%B8%AD%E5%BF%83/1180595</a></p>
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