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<td bgcolor="#336666"><font face="Arial" size="2" color="#FFFFFF"><b>1.1</b></font></td>
<td bgcolor="#336666"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
<td bgcolor="#336666" width="100%">
<b><font face="Arial" size="2" color="#FFFFFF">Scaling Networks with NAT
and PAT</font></b></td>
<td width="9" bgcolor="#336666"> </td>
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<tr>
<td bgcolor="#669999" height="25" width="18"> </td>
<td bgcolor="#669999" height="25"><b><font face="Arial" size="2" color="#FFFFFF">
1.1.5</font></b></td>
<td bgcolor="#669999"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
<td bgcolor="#669999" height="25" width="100%"><b>
<font face="Arial" size="2" color="#FFFFFF">Verifying PAT configuration</font></b></td>
<td bgcolor="#669999" height="25" width="9"> </td>
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<font FACE="Arial" SIZE="2">
Once NAT is configured, use the
</font>
<font FACE="Courier New" SIZE="2">
<b>clear</b></font><font FACE="Arial" SIZE="2">
and
</font>
<font FACE="Courier New" SIZE="2">
<b>show</b></font><font FACE="Arial" SIZE="2">
commands to verify that it is operating as expected.<p>By default,
dynamic address translations will time out from the NAT translation
table after a period of non-use. When port translation is not
configured, translation entries time out after 24 hours, unless
reconfigured with the
</font>
<font FACE="Courier New" SIZE="2">
<b>ip nat translation</b></font><font FACE="Arial" SIZE="2">
command. Clear the entries before the timeout by using one of the
commands in Figure
<img border="0" src="../../images/1.gif" align="absmiddle" width="12" height="12">.<p>
Translation information may be displayed by performing one of the
tasks in EXEC mode.
<img border="0" src="../../images/2.gif" align="absmiddle" width="12" height="12"><p>
Alternatively, use the
</font>
<font FACE="Courier New" SIZE="2">
<b>show run</b></font><font FACE="Arial" SIZE="2">
command and look for NAT, access list, interface, or pool commands
with the required values.</font></p>
<p>
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<TD bgcolor="#ffffff" width="15"> </TD>
<TD bgcolor="#ffffff"><font FACE="Arial" SIZE="2" COLOR="#000000">
<p align="left"><font color="#808080">
<a target="main" href="../lab1_1_5/index.html">
<img border="0" src="../../images/lab_icon.gif" width="25" height="25"> <b>
Lab Activity</b></a></font></p>
</font><font FACE="Arial" SIZE="2" COLOR="#808080">
<p>Lab Exercise: Verifying NAT and PAT Configuration</p>
<p>In this lab, the student will configure a router for Network Address
Translation (NAT) and Port Address Translation (PAT).</p>
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<p><font color="#808080">
<a href="javascript:void(0)" onClick="window.open('../../elabs/mod01/elab_1_1_5/elab1_1_5.html','Interactivity','width=740,height=390,toolbar=0,resizable=yes,scrollbars=0,screenX=26,screenY=38,left=26,top=38');">
<img border="0" src="../../images/lab_icon.gif" width="25" height="25"><b></a>
<a href="javascript:void(0)" onClick="window.open('../../elabs/mod01/elab_1_1_5/elab1_1_5.html','Interactivity','width=740,height=390,toolbar=0,resizable=yes,scrollbars=0,screenX=26,screenY=38,left=26,top=38');">Lab Activity</a></b></font></p>
</font><font FACE="Arial" SIZE="2" COLOR="#808080">
<p>e-Lab Activity: Verifying NAT and PAT Configuration</p>
</font><font FACE="Arial" SIZE="2" COLOR="#000000">
<p><font color="#808080">In this lab, the student will configure
a router for Network Address Translation and Port Address
Translation. </font></p>
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