Problems with 5ghz dead on the R720 after heavy usage

[douglas_santos_]

Have my R720 for a good 4 years now and no problems whatsoever.

But then, i bought a PICO4 VR HMD, that is Wifi6e and VERY hungry for bandwith. Using it on 5ghz AC with 160mhz wide channel, it was working just fine.

Then suddenly, the connection stalled and it´s 5ghz WLAN while it´s on and enable, simply don´t have any more power it.

It barelly managed to work at 200Mbps, while it was 1600Mbps just moments ago.

I´ve tried every single option avaliable, updated the R720 to the latest unleashed version put everything on auto or set the setting to no avail.

The POE injector is just fine too, providing 90w as always.

Do anyone have any ideas ? The HMD is fine, i´ve just tested it on another AP and it reached 2100Mbps in AX mode.

Thanks !

[douglas_santos_]

i will get the complete output asap.

[syamantakomer]

Ok, so power looks good and AP is running on 4x4:4 (chainmask 15=4x4) spatial streams.

Power Consumption Status : 802.3bt5 Switch/Injector
Tranmit Chainmask: 15

[douglas_santos_]

Hi again Syamantakomer

I've recreated the SSID, 5ghz etc, all the features enabled.

Here is the dump of the "get station wlan32 list all" after 10 minutes of horrible gaming (i ran the command multiple times).

In the past, it maintained solid 866-1200Mbps, but now barely tops 400Mbps, staying the in ball park of 250Mbps ish.

wlan32        up       AP     wlan32   1        8c:fe:74:22:54:cc NW-VR-RUCKUS                                        
recovery-ssid down     AP     wlan103  1        00:00:00:00:00:00 Recover.Me-225                                      4C0
OK
ruckus(ap-mode)# get station wlan32
Usage: get station <wlan name> {list|info|stats} {all|<mac_addr>}

ruckus(ap-mode)# get station wlan32 stats all
(null): 08:16:d5:4b:9e:34
        rx_data_frm 13462 rx_mgt_frm 1 rx_ucast_frm 13167 rx_mcast_frm 295 rx_by                                      tes 4885095     rssi -48
        tx_data_frm 35635 tx_bytes 44181938

        good_tx_frms 35635 good_rx_frms 13463 tx_retries 1      tx_rate 195000 t                                      x_kbps 123344
        rx_rssi 28
OK
ruckus(ap-mode)# get station wlan32 stats all
(null): 08:16:d5:4b:9e:34
        rx_data_frm 50332 rx_mgt_frm 1 rx_ucast_frm 49745 rx_mcast_frm 587 rx_by                                      tes 20063730    rssi -50
        tx_data_frm 147162 tx_bytes 192315547

        good_tx_frms 147162 good_rx_frms 50333 tx_retries 1     tx_rate 195000 t                                      x_kbps 125408
        rx_rssi 26
OK
ruckus(ap-mode)# get station wlan32 stats all
(null): 08:16:d5:4b:9e:34
        rx_data_frm 86880 rx_mgt_frm 1 rx_ucast_frm 86224 rx_mcast_frm 656 rx_by                                      tes 28310587    rssi -47
        tx_data_frm 628404 tx_bytes 892358772

        good_tx_frms 628404 good_rx_frms 86881 tx_retries 1     tx_rate 195000 t                                      x_kbps 130472
        rx_rssi 29
OK
ruckus(ap-mode)# get station wlan32 stats all
(null): 08:16:d5:4b:9e:34
        rx_data_frm 176334 rx_mgt_frm 1 rx_ucast_frm 175612 rx_mcast_frm 722 rx_                                      bytes 44678821  rssi -47
        tx_data_frm 2330799 tx_bytes 3400748462

        good_tx_frms 2330799 good_rx_frms 176335 tx_retries 1   tx_rate 195000 t                                      x_kbps 102192
        rx_rssi 29
OK
ruckus(ap-mode)#

I've also gathered the "details" of the Client (in this case my VR HMD):

Can you infer something ?

Thanks for the effort ! 

[syamantakomer]

Everything looks good on the AP size. TX chain is on 15 which means 4 spatial streams, no high TX retries, RSSI value is also good.

The only thing which is looking low is the RSSI on client device. It shows as 195Mbps which is low.

Is this AP running on gateway mode or bridge mode?

[douglas_santos_]

Strange, my last reply vanished.