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RT-AX86S How to enable spatial streams > 1

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M

mat42x

New Around Here
Hi there,
I just bought an RT-AX86S router and installed the latest firmware 3.0.0.4.388_20566.
This router should be capable to support up to 3x3 spatial streams on 5GHz. But when I look at the wireless log details I can see that only 1x1 is supported and all my wireless clients just connect with number of spatial streams (aka NSS) equal 1.
Which setting on the router has to be changed to enable NSS up to 3x3 ?

Here is wireless log:
Code: 
SSID: "1234"
noise: -88 dBm    Channel: 11
BSSID: 7C:10:C9:CD:06:F8    Capability: ESS ShortSlot RRM
Supported Rates: [ 6(b) 9 12(b) 18 24(b) 36 48 54 ]
HE Capable:
    Chanspec: 2.4GHz channel 11 20MHz (0x100b)
    Primary channel: 11
    HT Capabilities: 40Mhz SGI20 SGI40
    Supported HT MCS : 0-7
    Supported VHT MCS:
        NSS1 Tx: 0-11        Rx: 0-11     
    Supported HE MCS:
        80 Mhz:
        NSS1 Tx: 0-11        Rx: 0-11

Interference Level: Acceptable
Mode    : AP Only

Stations List                           
----------------------------------------
idx MAC               Associated Authorized   RSSI PHY PSM SGI STBC MUBF NSS   BW Tx rate Rx rate Connect Time

SSID: "1234"
noise: -85 dBm    Channel: 100/80
BSSID: 7C:10:C9:CD:06:FC    Capability: ESS RRM
Supported Rates: [ 6(b) 9 12(b) 18 24(b) 36 48 54 ]
HE Capable:
    Chanspec: 5GHz channel 106 80MHz (0xe06a)
    Primary channel: 100
    HT Capabilities: 40Mhz SGI20 SGI40
    Supported HT MCS : 0-7
    Supported VHT MCS:
        NSS1 Tx: 0-11        Rx: 0-11     
    Supported HE MCS:
        80 Mhz:
        NSS1 Tx: 0-11        Rx: 0-11
        160 Mhz:
        NSS1 Tx: 0-11        Rx: 0-11

Interference Level: Acceptable
Mode    : AP Only

DFS status: state In-Service Monitoring(ISM) time elapsed 11250ms radar channel cleared by DFS channel 100/80 (0xE06A)

Channel Information                     
----------------------------------------
Channel 36    A Band
Channel 40    A Band
Channel 44    A Band
Channel 48    A Band
Channel 52    A Band, RADAR Sensitive, Passive
Channel 56    A Band, RADAR Sensitive, Passive
Channel 60    A Band, RADAR Sensitive, Passive
Channel 64    A Band, RADAR Sensitive, Passive
Channel 100    A Band, RADAR Sensitive
Channel 104    A Band, RADAR Sensitive
Channel 108    A Band, RADAR Sensitive
Channel 112    A Band, RADAR Sensitive
Channel 116    A Band, RADAR Sensitive, Passive
Channel 120    A Band, RADAR Sensitive, Passive
Channel 124    A Band, RADAR Sensitive, Passive
Channel 128    A Band, RADAR Sensitive, Passive
Channel 132    A Band, RADAR Sensitive, Passive
Channel 136    A Band, RADAR Sensitive, Passive
Channel 140    A Band, RADAR Sensitive, Passive

Stations List                           
----------------------------------------
idx MAC               Associated Authorized   RSSI PHY PSM SGI STBC MUBF NSS   BW Tx rate Rx rate Connect Time
    E6:46:A1:AC:86:46 Yes        Yes        -70dBm ax  No  Yes No   No     1  80M  324.3M  272.2M     00:00:08
    F8:FF:C2:50:21:31 Yes        Yes        -65dBm ac  No  Yes Yes  No     1  80M  433.3M    325M     00:00:09
    A2:D7:1C:F8:17:A8 Yes        Yes        -79dBm ax  Yes Yes No   No     1  80M  408.3M      6M     00:00:09
 
Your router is working as it should work. There is nothing to be changed. It is possible the clients do not like DFS channels.
 
bbunge said:
Your router is working as it should work.
Click to expand...
No, it's definitely not working correctly. Look at the number of spacial streams supported by the AP. There should be three for 2.4GHz and four for 5GHz.

Code: 
SSID: "Liberator"
noise: -76 dBm    Channel: 11
BSSID: F0:2F:74:92:37:D8    Capability: ESS ShortSlot RRM
Supported Rates: [ 6(b) 9 12(b) 18 24(b) 36 48 54 ]
VHT Capable:
    Chanspec: 2.4GHz channel 11 20MHz (0x100b)
    Primary channel: 11
    HT Capabilities: 40Mhz SGI20 SGI40
    Supported HT MCS : 0-23
    Supported VHT MCS:
        NSS1 Tx: 0-11        Rx: 0-11    
        NSS2 Tx: 0-11        Rx: 0-11    
        NSS3 Tx: 0-11        Rx: 0-11    

Interference Level: Acceptable
Mode    : AP Only

<snip>

SSID: "Liberator5G"
noise: -85 dBm    Channel: 124/80
BSSID: F0:2F:74:92:37:DC    Capability: ESS RRM
Supported Rates: [ 6(b) 9 12(b) 18 24(b) 36 48 54 ]
HE Capable:
    Chanspec: 5GHz channel 122 80MHz (0xe27a)
    Primary channel: 124
    HT Capabilities: 40Mhz SGI20 SGI40
    Supported HT MCS : 0-31
    Supported VHT MCS:
        NSS1 Tx: 0-11        Rx: 0-11    
        NSS2 Tx: 0-11        Rx: 0-11    
        NSS3 Tx: 0-11        Rx: 0-11    
        NSS4 Tx: 0-11        Rx: 0-11    
    Supported HE MCS:
        80 Mhz:
        NSS1 Tx: 0-11        Rx: 0-11
        NSS2 Tx: 0-11        Rx: 0-11
        NSS3 Tx: 0-11        Rx: 0-11
        NSS4 Tx: 0-11        Rx: 0-11
        160 Mhz:
        NSS1 Tx: 0-11        Rx: 0-11
        NSS2 Tx: 0-11        Rx: 0-11
        NSS3 Tx: 0-11        Rx: 0-11
        NSS4 Tx: 0-11        Rx: 0-11

Interference Level: Acceptable
Mode    : AP Only

mat42x said:
Which setting on the router has to be changed to enable NSS up to 3x3 ?
Click to expand...
I'm not aware of any setting available on the router that can influence the number of streams. I suggest that you do a hard reset followed by a minimal setup to see if the streams appear. If they don't then I'd return it as faulty.

 
Power Save in Professional or Eco Mode in the App switch the router to 1 stream only.
 
Tech9 said:
Power Save in Professional or Eco Mode in the App switch the router to 1 stream only.
Click to expand...
Bingo, I used the app to switch Eco mode on and then off again. Now I am able to connect with 3x3 streams !
Thanks a lot, bros.

Code: 
SSID: "ComputereckeUA"
noise: -87 dBm    Channel: 11
BSSID: 7C:10:C9:CD:06:F8    Capability: ESS ShortSlot RRM
Supported Rates: [ 1(b) 2(b) 5.5(b) 6 9 11(b) 12 18 24 36 48 54 ]
HE Capable:
    Chanspec: 2.4GHz channel 11 20MHz (0x100b)
    Primary channel: 11
    HT Capabilities: 40Mhz SGI20 SGI40
    Supported HT MCS : 0-23
    Supported VHT MCS:
        NSS1 Tx: 0-11        Rx: 0-11     
        NSS2 Tx: 0-11        Rx: 0-11     
        NSS3 Tx: 0-11        Rx: 0-11     
    Supported HE MCS:
        80 Mhz:
        NSS1 Tx: 0-11        Rx: 0-11
        NSS2 Tx: 0-11        Rx: 0-11
        NSS3 Tx: 0-11        Rx: 0-11

Interference Level: Acceptable
Mode    : AP Only

Stations List                           
----------------------------------------
idx MAC               Associated Authorized   RSSI PHY PSM SGI STBC MUBF NSS   BW Tx rate Rx rate Connect Time
    E6:46:A1:AC:86:46 Yes        Yes        -62dBm ax  Yes Yes No   No     2  20M  229.4M  154.8M     00:02:27

SSID: "ComputereckeUA"
noise: -89 dBm    Channel: 100/80
BSSID: 7C:10:C9:CD:06:FC    Capability: ESS RRM
Supported Rates: [ 6(b) 9 12(b) 18 24(b) 36 48 54 ]
HE Capable:
    Chanspec: 5GHz channel 106 80MHz (0xe06a)
    Primary channel: 100
    HT Capabilities: 40Mhz SGI20 SGI40
    Supported HT MCS : 0-31
    Supported VHT MCS:
        NSS1 Tx: 0-11        Rx: 0-11     
        NSS2 Tx: 0-11        Rx: 0-11     
        NSS3 Tx: 0-11        Rx: 0-11     
        NSS4 Tx: 0-11        Rx: 0-11     
    Supported HE MCS:
        80 Mhz:
        NSS1 Tx: 0-11        Rx: 0-11
        NSS2 Tx: 0-11        Rx: 0-11
        NSS3 Tx: 0-11        Rx: 0-11
        NSS4 Tx: 0-11        Rx: 0-11
        160 Mhz:
        NSS1 Tx: 0-11        Rx: 0-11
        NSS2 Tx: 0-11        Rx: 0-11
        NSS3 Tx: 0-11        Rx: 0-11
        NSS4 Tx: 0-11        Rx: 0-11

Interference Level: Acceptable
Mode    : AP Only

DFS status: state In-Service Monitoring(ISM) time elapsed 99450ms radar channel cleared by DFS channel 100/80 (0xE06A)

Channel Information                     
----------------------------------------
Channel 36    A Band
Channel 40    A Band
Channel 44    A Band
Channel 48    A Band
Channel 52    A Band, RADAR Sensitive, Passive
Channel 56    A Band, RADAR Sensitive, Passive
Channel 60    A Band, RADAR Sensitive, Passive
Channel 64    A Band, RADAR Sensitive, Passive
Channel 100    A Band, RADAR Sensitive
Channel 104    A Band, RADAR Sensitive
Channel 108    A Band, RADAR Sensitive
Channel 112    A Band, RADAR Sensitive
Channel 116    A Band, RADAR Sensitive, Passive
Channel 120    A Band, RADAR Sensitive, Passive
Channel 124    A Band, RADAR Sensitive, Passive
Channel 128    A Band, RADAR Sensitive, Passive
Channel 132    A Band, RADAR Sensitive, Passive
Channel 136    A Band, RADAR Sensitive, Passive
Channel 140    A Band, RADAR Sensitive, Passive

Stations List                           
----------------------------------------
idx MAC               Associated Authorized   RSSI PHY PSM SGI STBC MUBF NSS   BW Tx rate Rx rate Connect Time
    F8:FF:C2:50:21:31 Yes        Yes        -65dBm ac  No  Yes Yes  No     3  80M  866.7M    780M     00:00:51
 
mat42x said:
Now I am able to connect with 3x3 streams
Click to expand...

This rare 3x3 AC client must be an older model MacBook. What I'm more interested in - what client uses AX on 2.4GHz band?
 
Tech9 said:
This rare 3x3 AC client must be an older model MacBook. What I'm more interested in - what client uses AX on 2.4GHz band?
Click to expand...

It's an iPad Pro which uses 2.4 GHz as it is in another room where wifi signal level is pretty low.
 
Tech9 said:
This rare 3x3 AC client must be an older model MacBook. What I'm more interested in - what client uses AX on 2.4GHz band?
Click to expand...

Apple devices that support WiFi6 go all the way, they will do AX on 2.4 if the AP presents capability in the beacon and the AP accepts this...
 
ColinTaylor said:
Nobody said it was 3x3:3. That was referring to the MacBook on 5GHz.
Click to expand...

Yep, and Macbook Pro's that support WiFi5 - which are intel based - totally rock...

All the Apple Silicon Macbook Pro's are 2*2:2 and WiFi6...

Latest iPad Pro's do support 6e, which is pretty cool...

that's all broadcom chips with Apple drivers/firmware...
 
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