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While implementing port-security on ports with an IP phone and computer, I've noticed that the inactivity timers do not seem to be updating. Because of this I'm unable to disconnect a computer from a phone and move it to another port without either d...
Sorry if this is something obvious, but I was configuring some object groups today and noticed "knob" was an option after entering "object-group." I tried to find more info online but couldn't find anything. Could someone explain what "object-group k...
Apologies for resurrecting this thread yet again, but there was a recent change in IOS XE 17.3.x that caught me out. When configuring directed broadcasts on a router interface running one of these versions you also need to configure ip network-broadc...
Thanks for the feedback, Giuseppe. After reading this I was glad to find there was a software update available from Cisco. After moving from 15.2(7)E2 to 15.2(7)E4 the problem went away and mac addresses are timing out of the port-security address ta...
This was resolved with a software update ( 15.2(7)E2 --> 15.2(7)E4 ). That said, when a port is down it removes all of the port security mac address info, unless the port is configured for sticky mac addresses. Normally, then, it wouldn't be a proble...
Here's the output for the port with the unmanaged switch while the two computers are connected:c2060x#sh port-security interface g1/0/31
Port Security : Enabled
Port Status : Secure-up
Violation Mode : Restrict...
