The switch stopped registering and/or providing connectivity into the voice VLAN for new IP Phones (Polycom CX600); when we removed the following lines (bold, port security lines) from the provided access port configuration, it started working once again:
description IP PHONE & HOST PORT
switchport access vlan 4061
switchport mode access
switchport voice vlan 2061
no cdp enable
spanning-tree guard root
service-policy output EGRESS-QUEUING
switchport port-security maximum 3
switchport port-security aging time 2
switchport port-security aging type inactivity
Do you have any idea on why this is happening after being working for several weeks?
The port security settings and QoS is being provided by the Service Provider who owns and manages the Lync Server.
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