I, too, have had users plug both phone ports into the network. Amazing how quickly the network goes down. :) I don't recommend trying it. However, you will see lots of "pretty" flashing lights on the switches in the network!
Teressa Corson, CCNP, CCDA, CCNP-Voice TSS VI, Operations Network Operations State of NH, Department of Information Technology 603-223-5727 www.nh.gov/doit<http://www.nh.gov/doit> [ccnp_voice_sm] [ccnp_routingswitching_sm] [ccda_sm] 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. From: cisco-voip [mailto:[email protected]] On Behalf Of Matthew Loraditch Sent: Thursday, November 10, 2016 8:34 AM To: Ahmed Elnagar; '[email protected]' Subject: Re: [cisco-voip] IP Phone Ports 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. Matthew G. Loraditch - CCNP-Voice, CCNA-R&S, CCDA Network Engineer Direct Voice: 443.541.1518 Facebook<https://www.facebook.com/heliontech?ref=hl> | Twitter<https://twitter.com/HelionTech> | LinkedIn<https://www.linkedin.com/company/helion-technologies?trk=top_nav_home> | G+<https://plus.google.com/+Heliontechnologies/posts> From: cisco-voip [mailto:[email protected]] On Behalf Of Ahmed Elnagar Sent: Thursday, November 10, 2016 8:28 AM To: '[email protected]' <[email protected]<mailto:[email protected]>> Subject: [cisco-voip] IP Phone Ports Dear all; 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?
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