vlan7.htm

V-LAN 虚拟局域网的学习笔记

  mso-hansi-font-family:"Times New Roman"'>地址</span></p>
  </td>
  <td width=83 style='width:62.15pt;border:solid windowtext 1.0pt;border-left:
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  padding:0cm 5.4pt 0cm 5.4pt;height:22.4pt'>
  <p class=MsoNormal align=center style='text-align:center;mso-pagination:widow-orphan'><span
  lang=EN-US>VLAN</span></p>
  </td>
 </tr>
 <tr style='mso-yfti-irow:1;height:23.5pt'>
  <td width=83 style='width:62.1pt;border:solid windowtext 1.0pt;border-top:
  none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;
  padding:0cm 5.4pt 0cm 5.4pt;height:23.5pt'>
  <p class=MsoNormal align=center style='text-align:center;mso-pagination:widow-orphan'><span
  lang=EN-US>1</span></p>
  </td>
  <td width=83 style='width:62.15pt;border-top:none;border-left:none;
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  <p class=MsoNormal align=center style='text-align:center;mso-pagination:widow-orphan'><span
  lang=EN-US>A</span></p>
  </td>
  <td width=83 style='width:62.15pt;border-top:none;border-left:none;
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  mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt;height:23.5pt'>
  <p class=MsoNormal align=center style='text-align:center;mso-pagination:widow-orphan'><span
  lang=EN-US>1</span></p>
  </td>
 </tr>
 <tr style='mso-yfti-irow:2;height:22.4pt'>
  <td width=83 style='width:62.1pt;border:solid windowtext 1.0pt;border-top:
  none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;
  padding:0cm 5.4pt 0cm 5.4pt;height:22.4pt'>
  <p class=MsoNormal align=center style='text-align:center;mso-pagination:widow-orphan'><span
  lang=EN-US>2</span></p>
  </td>
  <td width=83 style='width:62.15pt;border-top:none;border-left:none;
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  <p class=MsoNormal align=center style='text-align:center;mso-pagination:widow-orphan'><span
  lang=EN-US>B</span></p>
  </td>
  <td width=83 style='width:62.15pt;border-top:none;border-left:none;
  border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
  mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt;height:22.4pt'>
  <p class=MsoNormal align=center style='text-align:center;mso-pagination:widow-orphan'><span
  lang=EN-US>1</span></p>
  </td>
 </tr>
 <tr style='mso-yfti-irow:3;height:22.4pt'>
  <td width=83 style='width:62.1pt;border:solid windowtext 1.0pt;border-top:
  none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;
  padding:0cm 5.4pt 0cm 5.4pt;height:22.4pt'>
  <p class=MsoNormal align=center style='text-align:center;mso-pagination:widow-orphan'><span
  lang=EN-US>3</span></p>
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  <td width=83 style='width:62.15pt;border-top:none;border-left:none;
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  mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt;height:22.4pt'>
  <p class=MsoNormal align=center style='text-align:center;mso-pagination:widow-orphan'><span
  lang=EN-US>C</span></p>
  </td>
  <td width=83 style='width:62.15pt;border-top:none;border-left:none;
  border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
  mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt;height:22.4pt'>
  <p class=MsoNormal align=center style='text-align:center;mso-pagination:widow-orphan'><span
  lang=EN-US>2</span></p>
  </td>
 </tr>
 <tr style='mso-yfti-irow:4;height:23.5pt'>
  <td width=83 style='width:62.1pt;border:solid windowtext 1.0pt;border-top:
  none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;
  padding:0cm 5.4pt 0cm 5.4pt;height:23.5pt'>
  <p class=MsoNormal align=center style='text-align:center;mso-pagination:widow-orphan'><span
  lang=EN-US>4</span></p>
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  <td width=83 style='width:62.15pt;border-top:none;border-left:none;
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  <p class=MsoNormal align=center style='text-align:center;mso-pagination:widow-orphan'><span
  lang=EN-US>D</span></p>
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  <p class=MsoNormal align=center style='text-align:center;mso-pagination:widow-orphan'><span
  lang=EN-US>2</span></p>
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  <td width=83 style='width:62.1pt;border:solid windowtext 1.0pt;border-top:
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  padding:0cm 5.4pt 0cm 5.4pt;height:22.4pt'>
  <p class=MsoNormal align=center style='text-align:center;mso-pagination:widow-orphan'><span
  lang=EN-US>5</span></p>
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  style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
  "Times New Roman"'>－</span></p>
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  border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
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  style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
  "Times New Roman"'>－</span></p>
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 </tr>
 <tr style='mso-yfti-irow:6;mso-yfti-lastrow:yes;height:24.6pt'>
  <td width=83 style='width:62.1pt;border:solid windowtext 1.0pt;border-top:
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  padding:0cm 5.4pt 0cm 5.4pt;height:24.6pt'>
  <p class=MsoNormal align=center style='text-align:center;mso-pagination:widow-orphan'><span
  lang=EN-US>6</span></p>
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  <p class=MsoNormal align=center style='text-align:center;mso-pagination:widow-orphan'><span
  lang=EN-US>R</span></p>
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  border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
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  style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
  "Times New Roman"'>汇聚</span></p>
  </td>
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<p class=MsoNormal align=left style='text-align:left;mso-pagination:widow-orphan'><span
lang=EN-US><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal align=left style='text-align:left;mso-pagination:widow-orphan'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>首先考虑计算机</span><span lang=EN-US>A</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>与同一</span><span lang=EN-US>VLAN</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>内的计算机</span><span lang=EN-US>B</span><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>之间通信时的情形。</span></p>

<p class=MsoNormal align=left style='text-align:left;mso-pagination:widow-orphan'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>计算机</span><span lang=EN-US>A</span><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>发出</span><span
lang=EN-US>ARP</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>请求信息，请求解析</span><span lang=EN-US>B</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>的</span><span lang=EN-US>MAC</span><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>地址。交换机收到数据帧后，检索</span><span
lang=EN-US>MAC</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>地址列表中与收信端口同属一个</span><span lang=EN-US>VLAN</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>的表项。结果发现，计算机</span><span lang=EN-US>B</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>连接在端口</span><span lang=EN-US>2</span><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>上，于是交换机将数据帧转发给端口</span><span
lang=EN-US>2</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>，最终计算机</span><span lang=EN-US>B</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>收到该帧。<span style='color:blue'>收发信双方同属一个</span></span><span
lang=EN-US style='color:blue'>VLAN</span><span style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";
color:blue'>之内的通信，一切处理均在交换机内完成</span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>。</span></p>

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     style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
     "Times New Roman"'>交换机</span><span lang=EN-US><o:p></o:p></span></b></p>
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     style='mso-bidi-font-weight:normal'><span style='font-family:宋体;
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