<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">Sounds very similar to <a href="https://tools.cisco.com/bugsearch/bug/CSCui25555/" class="">https://tools.cisco.com/bugsearch/bug/CSCui25555/</a>, however you should have the fix already. Good idea to open a TAC case to look into this.</div><div class=""><br class=""></div><div class="">Joe</div><br class=""><div><div class="">On Sep 30, 2015, at 8:33 AM, Casper, Steven <<a href="mailto:SCASPER@mtb.com" class="">SCASPER@mtb.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class="">
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<div class="WordSection1"><p class="MsoNormal">Having an issue related to PoE negotiation between 3650 switches that we are beginning to deploy and older cisco phones such as 7960s and 7940s . I think these are using the pre PoE standard. Symptoms are when the stack reloads the switchports
connected to Cisco 7960 telephones come up in a hung state:<o:p class=""></o:p></p><p class="MsoNormal"> <o:p class=""></o:p></p><p class="MsoNormal">7960 Telephones showed no power<o:p class=""></o:p></p><p class="MsoNormal">No link lights on switchport<o:p class=""></o:p></p><p class="MsoNormal">Switchport status showed UP/UP <o:p class=""></o:p></p><p class="MsoNormal">Switchport remained in UP/UP state even after disconnecting the cable from switchport<o:p class=""></o:p></p><p class="MsoNormal">Shut/no shut port and the telephone would reboot normally<o:p class=""></o:p></p><p class="MsoNormal">Moving to available switchport and telephone rebooted normally<o:p class=""></o:p></p><p class="MsoNormal">Bypassed telephone and connected PC and the PC would reboot normally reconnected telephone and the telephone would reboot normally.<o:p class=""></o:p></p><p class="MsoNormal"><o:p class=""> </o:p></p><p class="MsoNormal">Newer phones such as 7942 come right up.<o:p class=""></o:p></p><p class="MsoNormal"> <o:p class=""></o:p></p><p class="MsoNormal">Once we performed a shut/no shut on all switch ports and all telephones recovered normally but still this is not normal behavior. Going to open a TAC case but wondering if anyone else has experienced this?<o:p class=""></o:p></p><p class="MsoNormal">Switches are WS-C3650-48PD on Version 03.03.05SE.<o:p class=""></o:p></p><p class="MsoNormal"><o:p class=""> </o:p></p><p class="MsoNormal">Thanks!<o:p class=""></o:p></p><p class="MsoNormal">Steve<o:p class=""></o:p></p><p class="MsoNormal"><o:p class=""> </o:p></p><p class="MsoNormal"><o:p class=""> </o:p></p><p class="MsoNormal"><o:p class=""> </o:p></p><p class="MsoNormal"><o:p class=""> </o:p></p>
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