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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>A
little more information on how to connect a Cisco phone to a switch:</span><span
style='font-family:"Calibri","sans-serif"'> </span><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#1F497D'><a
href="http://www.cisco.com/en/US/products/hw/switches/ps4324/products_configuration_example09186a0080722cdb.shtml">http://www.cisco.com/en/US/products/hw/switches/ps4324/products_configuration_example09186a0080722cdb.shtml</a></span><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>“</span><span style='font-family:"Calibri","sans-serif"'>switchport
mode dynamic desirable” command makes the port actively attempt to become
a trunk link. This is the default configuration for ports on older
switches like 3550, 2950…etc. For 3560, the default is “switchport
mode dynamic auto”. <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Calibri","sans-serif"'>Best
security practice is to put unused ports into access mode and shut them down.</span><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Luan Nguyen<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Chesapeake NetCraftsmen, LLC.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><a href="http://www.netcraftsmen.net/"
title="http://www.netcraftsmen.net/"><span style='color:blue'>www.NetCraftsmen.net</span></a><o:p></o:p></span></p>
</div>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net] <b>On
Behalf Of </b>Ryan West<br>
<b>Sent:</b> Monday, October 20, 2008 3:10 PM<br>
<b>To:</b> David Zhars; cisco-voip@puck.nether.net<br>
<b>Subject:</b> Re: [cisco-voip] Added config lines to 3560POE<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>David,<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>If they are cisco phones, you probably don’t need
that. Encaps of dot1q is pretty standard for a trunk port, but typically
you configure switchport host and switchport voice vlan for Cisco phones.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>-ryan<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b>From:</b> cisco-voip-bounces@puck.nether.net
[mailto:cisco-voip-bounces@puck.nether.net] <b>On Behalf Of </b>David Zhars<br>
<b>Sent:</b> Monday, October 20, 2008 3:07 PM<br>
<b>To:</b> cisco-voip@puck.nether.net<br>
<b>Subject:</b> [cisco-voip] Added config lines to 3560POE<o:p></o:p></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<div>
<p class=MsoNormal style='margin-bottom:12.0pt'>I had an "expert"
come in last week and fix some minor issues on our network.<br>
<br>
He added this line to the ports on my 3560POEs. These ports support a
phone and PC:<o:p></o:p></p>
<pre>switchport trunk encapsulation dot1q<br>
<br>
<o:p></o:p></pre><pre><br>
<br>
<o:p></o:p></pre><pre><o:p> </o:p></pre><pre style='margin-bottom:12.0pt'><o:p> </o:p></pre>
<p class=MsoNormal style='margin-bottom:12.0pt'>Any idea why he would have
added that line? What does it do? Any harm?<br>
<br>
On another switch, he added that line and <o:p></o:p></p>
<pre>switchport mode dynamic desirable<br>
<br>
<o:p></o:p></pre><pre><br>
<br>
<o:p></o:p></pre><pre><o:p> </o:p></pre><pre><br>
<br>
<o:p></o:p></pre><pre>to the ports. Again, these ports (most of them are actually unused, it's a small network) will only have a phone, or at best,<br>
<br>
<o:p></o:p></pre><pre>a phone with a PC hanging off them.<br>
<br>
<o:p></o:p></pre><pre><br>
<br>
<o:p></o:p></pre><pre><br>
<br>
<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>What do you think?<o:p></o:p></pre>
<p class=MsoNormal><o:p> </o:p></p>
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