I am trying to get QoS running on a 4402 controller and am having some challenges. I have created a Voice VLAN and have placed its SSID into the Platinum Prfile. The port coming out from the controller is setup as a dot1Q trunk.
When I span the controller port and run a sniffer trace I see that phones QoS settings are still being set as best effort 00.
When you say it's marked as 00 are you talking COS or DSCP?
If you look at the Platinum QoS profile in the Controller's Web GUI, you'll see a box named 'Wired Protocol' or something like that... This you can change to dot1p, at which point a '6' in a box will appear. Setting this to '5' should bring it in line with other Cisco kit.
I'd also clear off the unnecessary commands on the switch port:
switchport priority extend trust
auto qos voip trust
Finally - if you are using VLAN2 for one of the wired VLANs (especially the Voice VLAN) set the native VLAN to another unused one... the native VLAN won't have any CoS marking on it. Alternatively if you can confirm from your network capture that packets are DSCP marked correctly you can just set the port to 'mls qos trust dscp'.
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