I have strange problem with ports of my Cisco 4507R-E switch. Sometimes is happened when I look in my CUCM 6.1 to see that one or more phones are not registered. I telnet to 4507R switch to see status of port where IP Phone is connected show ip interface brief and the port is UP. Next thing I write following command show mac address-table interface gigabit 1/18 and there no mac address in output. The configuration of the ports is:
switchport mode access
switchport voice vlan 50
switchport port-security maximum 2
switchport port-security aging time 2
switchport port-security violation restrict
switchport port-security aging type inactivity
auto qos voip cisco-phone
qos trust device cisco-phone
macro description cisco-phone
spanning-tree bpduguard enable
service-policy input AutoQos-VoIP-Input-Cos-Policy
service-policy output AutoQos-VoIP-Output-Policy
When I enter commands shutdown and no shutdown on the port interface and after that I enter show mac address-table interface gigabit 1/18 I can see the mac address of devices attached to the port.
1 ------ PC
50 -------- IP Phone
and the PC and Phone take IP and everything is OK.
Any idea what can be the problem ?
The IOS is 12.2