Looking in Event Viewer on CM, I am seeing errors because phones drop registration. It happens daily but with no obvious timing, and not all phones do it, just random phones. Phones are on different Vlans with Gig backbone. Here is the error.
I had a problem Very simular to this. If they are connected into catalyst switches, Turn *on* "spanning-tree portfast" on the ports *Directly* connected to the phones. Resolved my problem right off the bat. I'll look for my case Number and forward you the tac's response on my this problem.
I do have spanning-tree portfast configured on all the ports of the catalysts. Here is what is configured on the ports. I am allowing for PCs or phones to be plugged into all ports. 15 is voice, 10 is data.
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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
answer. Be sure to read the whole thing or e...
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 ...