数据链路层课件(1).zip 4.41MB

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数据链路层课件(1).zip 大约有5个文件

数据链路层课件/
数据链路层课件/1.以太网帧结构.pptx 1.06MB
数据链路层课件/2.交换网络基础.pptx 1.17MB
数据链路层课件/3.VLAN原理和配置.pptx 1.26MB
数据链路层课件/4.PPP工作原理与配置.pptx 1.18MB

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数据链路层课件(1).zip

<link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/base.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/fancy.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/90016804/4/raw.css" rel="stylesheet"/><div id="sidebar" style="display: none"><div id="outline"></div></div><div class="pf w0 h0" data-page-no="1" id="pf1"><div class="pc pc1 w0 h0"><img alt="" class="bi x0 y0 w1 h1" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/90016804/bg1.jpg"/><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">版权所有© 2019 华为技术有限公司</div><div class="t m0 x2 h3 y2 ff2 fs1 fc1 sc0 ls0 ws0">VLAN原理和配置</div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div><div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/90016804/bg2.jpg"><div class="t m0 x3 h4 y3 ff3 fs0 fc0 sc0 ls0 ws0">第<span class="ff4">1</span>页</div><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">版权所有<span class="ff4">© 2019 </span>华为技术有限公司</div><div class="t m0 x4 h5 y4 ff2 fs2 fc2 sc0 ls0 ws0">前言</div><div class="t m0 x5 h6 y5 ff5 fs3 fc3 sc0 ls0 ws0"><span class="_"> </span><span class="ff1 fs4 fc0">随着网络中计算机的数量越来越多，传统的以太网络开始面临冲突严重、广播泛滥</span></div><div class="t m0 x6 h6 y6 ff1 fs4 fc0 sc0 ls0 ws0">以及安全性无法保障等各种问题。</div><div class="t m0 x5 h6 y7 ff5 fs3 fc3 sc0 ls0 ws0"><span class="_"> </span><span class="ff1 fs4 fc0">VLAN（Virtual Local Area Network）即虚拟局域网，是将一个物理的局域网在</span></div><div class="t m0 x6 h6 y8 ff1 fs4 fc0 sc0 ls0 ws0">逻辑上划分成多个广播域的技术。通过在交换机上配置VLAN，可以实现在同一个</div><div class="t m0 x6 h6 y9 ff1 fs4 fc0 sc0 ls0 ws0">VLAN内的用户可以进行二层互访，而不同VLAN间的用户被二层隔离。这样既能</div><div class="t m0 x6 h6 ya ff1 fs4 fc0 sc0 ls0 ws0">够隔离广播域，又能够提升网络的安全性。</div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div><div id="pf3" class="pf w0 h0" data-page-no="3"><div class="pc pc3 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/90016804/bg3.jpg"><div class="t m0 x3 h4 y3 ff3 fs0 fc0 sc0 ls0 ws0">第<span class="ff4">2</span>页</div><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">版权所有<span class="ff4">© 2019 </span>华为技术有限公司</div><div class="t m0 x4 h5 y4 ff2 fs2 fc2 sc0 ls0 ws0">目标</div><div class="t m0 x5 h6 yb ff5 fs3 fc3 sc0 ls0 ws0"><span class="_"> </span><span class="ff1 fs4 fc0">学完本课程后，您将能够：</span></div><div class="t m0 x7 h7 yc ff5 fs5 fc0 sc0 ls0 ws0"><span class="_"> </span><span class="ff1 fs6">理解VLAN的工作原理</span></div><div class="t m0 x7 h7 yd ff5 fs5 fc0 sc0 ls0 ws0"><span class="_"> </span><span class="ff1 fs6">掌握VLAN的基本配置</span></div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div><div id="pf4" class="pf w0 h0" data-page-no="4"><div class="pc pc4 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/90016804/bg4.jpg"><div class="t m0 x3 h4 y3 ff3 fs0 fc0 sc0 ls0 ws0">第<span class="ff4">3</span>页</div><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">版权所有<span class="ff4">© 2019 </span>华为技术有限公司</div><div class="t m0 x4 h5 ye ff2 fs2 fc2 sc0 ls0 ws0">传统以太网</div><div class="t m0 x5 h6 yf ff5 fs3 fc3 sc0 ls0 ws0"><span class="_"> </span><span class="ff1 fs4 fc0">随着主机数量的增加，共享网络中的冲突会越来越严重，交换网络中的广播也会越</span></div><div class="t m0 x6 h6 y10 ff1 fs4 fc0 sc0 ls0 ws0">来越多。</div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div><div id="pf5" class="pf w0 h0" data-page-no="5"><div class="pc pc5 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/90016804/bg5.jpg"><div class="t m0 x3 h4 y3 ff3 fs0 fc0 sc0 ls0 ws0">第<span class="ff4">4</span>页</div><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">版权所有<span class="ff4">© 2019 </span>华为技术有限公司</div><div class="t m0 x4 h5 ye ff2 fs2 fc2 sc0 ls0 ws0">VLAN技术</div><div class="t m0 x5 h6 y11 ff5 fs3 fc3 sc0 ls0 ws0"><span class="_"> </span><span class="ff1 fs4 fc0">VLAN能够隔离广播域。</span></div><div class="t m0 x8 h8 y12 ff2 fs0 fc4 sc0 ls0 ws0">VLAN<span class="ff6"> 1</span></div><div class="t m0 x9 h8 y13 ff2 fs0 fc4 sc0 ls0 ws0">VLAN<span class="ff6"> 2</span></div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div>

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