On one of our Cisco 2921 Routers we have a Serial Interface with a PRI T1 from a Telco that is showing the following:
Serial0/1/1:23 is up, line protocol is up (spoofing)
This does not seem like a issue, but I would like to know if anyone has seen this before and if it should be active on the interface 24/7. We were told that this would be on that interface at all times. To my understanding, Spoofing is a layer 2 problem and not a 'ok thing'. Please help.
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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 ...