IP Phone 6921 with 8.5(3) firmware: unstable PC port
We have a CallManager 220.127.116.11900-4 with several IP Phones 6921 with 8.5(3) firmware.
Our problem is the following: it seems that the PC port is unstable; sometimes, when we receive a phone call on a 6921, the device attached to the PC port goes to the "network disconnected" status, and we have to manually unplug and plug again the cable that connects telephone and PC to get back the PC network functionality.
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The short answer is that you don't.... That isn't entirely true while at
the same time it kind of is, but for the most part you don't configure
the softkeys. You enable or disable them via TCL. Here is the long
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Topology: IP Phone > Switches > Microsoft NPS setup to forward 802.1x
proxy to > ISE 2.1 patch 3 Authentication: EAP-TLS using Cisco MIC SANs
Phone Models 802.1X support? 802.1x flavor Addtl Comment EAP-MD5 EAP-TLS
Cisco 3905 Y Y N Cisco 6911 Y Y N Cisco ...