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<p class="MsoNormal"><font color="#008000" size="7">Access List Cheat Sheet</font></p>
<p class="MsoNormal">We all know the rules and seen the literature on how to do
wild card masks:<br>
The 32 bit wildcard mask consists of
1抯 and 0抯<br>
1 =<span style="mso-spacerun: yes">
</span>ignore this bit<br>
0 = check this bit<O:P>
</O:P>
</p>
<div align="center">
<table style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none; BORDER-COLLAPSE: collapse; mso-border-top-alt: 1.5pt; mso-border-left-alt: .75pt; mso-border-bottom-alt: 1.5pt; mso-border-right-alt: .75pt; mso-border-color-alt: black; mso-border-style-alt: solid; mso-padding-alt: 0in 5.4pt 0in 5.4pt" cellSpacing="0" cellPadding="0" border="1">
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<p class="MsoNormal"><b><i>
<span style="FONT-SIZE: 14pt; mso-bidi-font-size: 10.0pt">BUT
MOST OF THE TIME WE WANT TO DO ONE OF THESE THREE THINGS:<O:P>
</O:P>
</span></i></b></p>
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<p class="MsoNormal"><b><span style="FONT-SIZE: 14pt; mso-bidi-font-size: 10.0pt">1.<span style="mso-spacerun: yes">
</span>MATCH A HOST<O:P>
</O:P>
</span></b></p>
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<td style="BORDER-RIGHT: black 0.75pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0in; BORDER-LEFT: black 0.75pt solid; WIDTH: 371.15pt; PADDING-TOP: 0in; BORDER-BOTTOM: medium none" vAlign="top" width="495">
<p class="MsoNormal"><b><span style="FONT-SIZE: 14pt; mso-bidi-font-size: 10.0pt">2.<span style="mso-spacerun: yes">
</span>MATCH AN ENTIRE SUBNET<O:P>
</O:P>
</span></b></p>
</td>
</tr>
<tr>
<td style="BORDER-RIGHT: black 0.75pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0in; BORDER-LEFT: black 0.75pt solid; WIDTH: 371.15pt; PADDING-TOP: 0in; BORDER-BOTTOM: medium none" vAlign="top" width="495">
<p class="MsoNormal"><b><span style="FONT-SIZE: 14pt; mso-bidi-font-size: 10.0pt">3.<span style="mso-spacerun: yes">
</span>MATCH A RANGE<O:P>
</O:P>
<br>
or<br>
4.<span style="mso-spacerun: yes"> </span>MATCH EVERYONE<O:P>
</O:P>
</span></b></p>
</td>
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<td style="BORDER-RIGHT: black 0.75pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0in; BORDER-LEFT: black 0.75pt solid; WIDTH: 371.15pt; PADDING-TOP: 0in; BORDER-BOTTOM: black 1.5pt solid" vAlign="top" width="495">
<p class="MsoNormal"><b><span style="FONT-SIZE: 14pt; mso-bidi-font-size: 10.0pt">Here
are the easy ways to do that<O:P>
</O:P>
</span></b></p>
</td>
</tr>
</tbody>
</table>
</div>
<p class="MsoNormal"> <O:P>
</O:P>
</p>
<table style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none; BORDER-COLLAPSE: collapse; mso-border-bottom-alt: solid black 1.5pt; mso-padding-alt: 0in 5.4pt 0in 5.4pt" cellSpacing="0" cellPadding="0" border="1">
<tbody>
<tr>
<td style="BORDER-RIGHT: medium none; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium none; PADDING-LEFT: 5.4pt; BACKGROUND: maroon; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 6.15in; PADDING-TOP: 0in; BORDER-BOTTOM: black 1.5pt solid; mso-shading: white; mso-pattern: solid maroon" vAlign="top" width="590">
<p class="MsoNormal" style="TEXT-ALIGN: center" align="center">
<font color="#FFFFFF">
<b><i>
<span style="FONT-SIZE: 16pt; FONT-FAMILY: 'Courier New'; mso-bidi-font-size: 10.0pt">1.<span style="mso-spacerun: yes">
</span>How to match an individual host<O:P>
</O:P>
</span></i></b></font></p>
</td>
</tr>
<tr>
<td style="BORDER-RIGHT: medium none; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium none; PADDING-LEFT: 5.4pt; BACKGROUND: #ffffef; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 6.15in; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-border-top-alt: solid black 1.5pt; mso-shading: white; mso-pattern: gray-20 yellow" vAlign="top" width="590">
<p class="MsoNormal"><b><i><span style="FONT-SIZE: 11pt; FONT-FAMILY: 'Courier New'; mso-bidi-font-size: 10.0pt">All
wildcard mask bits are zero抯<O:P>
</O:P>
</span></i></b></p>
</td>
</tr>
<tr>
<td style="BORDER-RIGHT: medium none; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium none; PADDING-LEFT: 5.4pt; BACKGROUND: #ffffef; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 6.15in; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-shading: white; mso-pattern: gray-20 yellow" vAlign="top" width="590">
<p class="MsoNormal"><b><i><span style="FONT-SIZE: 11pt; FONT-FAMILY: 'Courier New'; mso-bidi-font-size: 10.0pt">For
Standard Access-list<O:P>
</O:P>
</span></i></b></p>
</td>
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<p class="MsoNormal"><b><i><span style="FONT-SIZE: 11pt; FONT-FAMILY: 'Courier New'; mso-bidi-font-size: 10.0pt">Access-list
1 permit 157.89.8.9<span style="mso-spacerun: yes"> </span>0.0.0.0<O:P>
</O:P>
</span></i></b></p>
</td>
</tr>
<tr>
<td style="BORDER-RIGHT: medium none; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium none; PADDING-LEFT: 5.4pt; BACKGROUND: #ffffef; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 6.15in; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-shading: white; mso-pattern: gray-20 yellow" vAlign="top" width="590">
<p class="MsoNormal"><b><i><span style="FONT-SIZE: 11pt; FONT-FAMILY: 'Courier New'; mso-bidi-font-size: 10.0pt">Access-list
1 permit 157.89.8.9<span style="mso-spacerun: yes"> </span>(standard
access lists assume a 0.0.0.0 mask)<O:P>
</O:P>
</span></i></b></p>
</td>
</tr>
<tr>
<td style="BORDER-RIGHT: medium none; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium none; PADDING-LEFT: 5.4pt; BACKGROUND: #ffffef; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 6.15in; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-shading: white; mso-pattern: gray-20 yellow" vAlign="top" width="590">
<p class="MsoNormal"><b><i><span style="FONT-SIZE: 11pt; FONT-FAMILY: 'Courier New'; mso-bidi-font-size: 10.0pt">For
Extended Access-lists<O:P>
</O:P>
</span></i></b></p>
</td>
</tr>
<tr>
<td style="BORDER-RIGHT: medium none; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium none; PADDING-LEFT: 5.4pt; BACKGROUND: #ffffef; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 6.15in; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-shading: white; mso-pattern: gray-20 yellow" vAlign="top" width="590">
<p class="MsoNormal"><b><i><span style="FONT-SIZE: 11pt; FONT-FAMILY: 'Courier New'; mso-bidi-font-size: 10.0pt">Access-list
101 permit ip 157.89.8.9 0.0.0.0 any<O:P>
</O:P>
</span></i></b></p>
</td>
</tr>
<tr>
<td style="BORDER-RIGHT: medium none; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium none; PADDING-LEFT: 5.4pt; BACKGROUND: #ffffef; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 6.15in; PADDING-TOP: 0in; BORDER-BOTTOM: black 1.5pt solid; mso-shading: white; mso-pattern: gray-20 yellow" vAlign="top" width="590">
<p class="MsoNormal"><b><i><span style="FONT-SIZE: 11pt; FONT-FAMILY: 'Courier New'; mso-bidi-font-size: 10.0pt">Access-list
101 permit ip host 157.89.8.9 any<O:P>
</O:P>
</span></i></b></p>
</td>
</tr>
</tbody>
</table>
<p class="MsoNormal"><span style="FONT-SIZE: 11pt; FONT-FAMILY: 'Courier New'; mso-bidi-font-size: 10.0pt"> <O:P>
<O:P>
</O:P>
</span></p>
<O:P>
<table style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; WIDTH: 518.2pt; BORDER-BOTTOM: medium none; BORDER-COLLAPSE: collapse; mso-border-top-alt: 1.5pt; mso-border-left-alt: .75pt; mso-border-bottom-alt: 1.5pt; mso-border-right-alt: .75pt; mso-border-color-alt: green; mso-border-style-alt: solid; mso-padding-alt: 0in 5.4pt 0in 5.4pt" cellSpacing="0" cellPadding="0" width="691" border="1">
<tbody>
<tr style="HEIGHT: 21.2pt">
<td style="BORDER-RIGHT: 0.75pt solid green; PADDING-RIGHT: 5.4pt; BORDER-TOP: 1.5pt solid green; PADDING-LEFT: 5.4pt; BACKGROUND: #800000; PADDING-BOTTOM: 0in; BORDER-LEFT: 0.75pt solid green; WIDTH: 518.2pt; PADDING-TOP: 0in; BORDER-BOTTOM: 0.75pt solid black; HEIGHT: 21.2pt; mso-shading: white; mso-pattern: gray-25 yellow" vAlign="top" width="691">
<p class="MsoNormal"><span style="FONT-SIZE: 24pt; FONT-FAMILY: 'Courier New'; mso-bidi-font-size: 10.0pt">
<font color="#FFFFFF">2.<span style="mso-spacerun: yes">
</span><b>How to match an Entire Subnet</b> </font> <O:P>
</O:P>
</span></p>
</td>
</tr>
<tr style="HEIGHT: 12.65pt">
<td style="BORDER-RIGHT: green 0.75pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium none; PADDING-LEFT: 5.4pt; BACKGROUND: #cccccc; PADDING-BOTTOM: 0in; BORDER-LEFT: green 0.75pt solid; WIDTH: 518.2pt; PADDING-TOP: 0in; BORDER-BOTTOM: black 0.75pt solid; HEIGHT: 12.65pt; mso-border-top-alt: solid black .75pt; mso-shading: white; mso-pattern: gray-20 black" vAlign="top" width="691">
<p class="MsoNormal"><b>
<span style="FONT-SIZE: 14pt; FONT-FAMILY: 'Courier New'; mso-bidi-font-size: 10.0pt">Wildcard
mask = 255.255.255.255 ⌨️ 快捷键说明
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