How to determine if AP is operating in 4x4:4

[Dennis]

- 3935i-ROW on FW 10.41.06.0013
- patched to HP J9148A 2910al-48G-PoE+ Switch

AP Inventory report shows LAN1 using AF and not AT. Switch is capable of delivering 33W on a port. I'm still investigating but it appears disabling LLDP PoE negotiation on the HP switch via command:
no lldp config dot3TlvEnable poe_config... resolves the issue and AP Inventory report shows LAN1 using AT.

I just want to be certain that after doing this the AP is indeed operating in 4x4:4 MU-MIMO. Is there a way to tell, perhaps via logs on the AP?

[Doug]

Reference: https://gtacknowledge.extremenetworks.com/articles/Q_A/What-PoE-standards-are-needed-to-power-up-the...

[Ronald_Dvorak]

You might want to look into this post - not the same vendor but the same issue and how I was able to solve it with the help of the community.

https://community.extremenetworks.com/extreme/topics/ap3935i-row-on-08h20g4-24p-ap-powered-by-af-ins...

[Dennis]

Thanks Doug. I have seen that article. Whether Low Power Mode Override is enabled or not does not seem to make a difference. I still see "20 sec in cycle 102: AP powered by AF instead of AT PS, entering low power mode(2x2 R1,2x2 R2)" in AP logs even when switch port is configured to deliver 30W.

[Umut_Aydin]

Hi Dennis,

if you log in to the AP then you can ask for # ifconfig and you should see the data rate.

Regards

Umut Aydin

[Gareth_Mitchell]

You're correct, lldp-med extension includes, amongst other things, improve power management for POE end points.

This article might help to answer your questions: https://gtacknowledge.extremenetworks.com/articles/Q_A/How-does-PoE-device-classification-work

-Gareth