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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D">I, too, have had users plug both phone ports into the network. Amazing how quickly the network goes down.
</span><span style="font-size:10.0pt;font-family:Wingdings;color:#1F497D">J</span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D"> I don’t recommend trying it. However, you will see lots of “pretty” flashing lights on the switches
in the network!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D">Teressa Corson, CCNP, CCDA, CCNP-Voice<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D">TSS VI, Operations<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D">Network Operations<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D">State of NH, Department of Information Technology<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D">603-223-5727<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D"><a href="http://www.nh.gov/doit"><span style="color:#0563C1">www.nh.gov/doit</span></a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D"><img border="0" width="100" height="100" id="Picture_x0020_1" src="cid:image004.jpg@01D23B2E.369C8F10" alt="ccnp_voice_sm">
<img border="0" width="100" height="100" id="Picture_x0020_2" src="cid:image005.jpg@01D23B2E.369C8F10" alt="ccnp_routingswitching_sm"> <img border="0" width="100" height="100" id="Picture_x0020_3" src="cid:image006.jpg@01D23B2E.369C8F10" alt="ccda_sm"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D">Statement of Confidentiality: The contents of this message are confidential. Any unauthorized disclosure, reproduction, use or dissemination (either in whole
or in part) is prohibited. If you are not the intended recipient of this message, please notify the sender immediately and delete the message from your system.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b>From:</b> cisco-voip [mailto:cisco-voip-bounces@puck.nether.net]
<b>On Behalf Of </b>Matthew Loraditch<br>
<b>Sent:</b> Thursday, November 10, 2016 8:34 AM<br>
<b>To:</b> Ahmed Elnagar; 'cisco-voip@puck.nether.net'<br>
<b>Subject:</b> Re: [cisco-voip] IP Phone Ports<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Yes it will create a loop. Not a fun time trying to track these things down. I’ve had some non-Cisco IP phones completely down a LAN.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;margin-bottom:12.0pt"><span style="font-size:10.0pt;color:#1F497D">Matthew G. Loraditch – CCNP-Voice, CCNA-R&S, CCDA<br>
Network Engineer<br>
Direct Voice: 443.541.1518</span><span style="color:#1F497D"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b>From:</b> cisco-voip [<a href="mailto:cisco-voip-bounces@puck.nether.net">mailto:cisco-voip-bounces@puck.nether.net</a>]
<b>On Behalf Of </b>Ahmed Elnagar<br>
<b>Sent:</b> Thursday, November 10, 2016 8:28 AM<br>
<b>To:</b> 'cisco-voip@puck.nether.net' <<a href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a>><br>
<b>Subject:</b> [cisco-voip] IP Phone Ports<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Dear all;<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I want to know what will happen if a user connect “by mistake” both the PC port and Switch port to the network switch? Will this create a loop? Anyone tried it before?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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