On a ProCurve V1910 I have configured Voice VLAN as follows in network settings using the Web UI:
- LLDP -> Global Setup -> LLDP Enable -> Set Enable
- VLAN -> Modify Port -> Select ports -> Set Link Type to Hybrid, leaving default production VLAN as untagged membership
- Voice VLAN -> Setup -> Set Voice VLAN Security to [Disable]
- Voice VLAN -> Port Setup -> Select Ports -> Port Mode [Auto] and Voice VLAN Port State to [Enable], enter the voice VLAN ID in the textbox and [Apply]
If I now connect the IP phone, in the LLDP settings the phone gets recognized as Telephone with Voice media type.
Snippet from LLDP neighbour port details:
System capabilities supported : Telephone System capabilities enabled : Telephone [...] Media policy type : Voice Unknown Policy : No VLAN tagged : Yes Media policy VlanID : 300
I would now expect the switch to recognize that it should enable VLAN 300 as tagged VLAN.
However, for that to work I first need to add my IP phones OUI to the "Voice VLAN" configuration. Only if I add the OUI the switch recognizes the phone and everything works as expected. (Yealink phone on VLAN300, forwarding the production VLAN on the PC port)
Am I missing something? What's the point of LLDP if I need to add the OUI for Voice VLAN to work?