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no internet on 5GHz WLAN

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Rooby

Regular Contributor
Hi,

since the last update to the latest SW I cannot connect to internet if I connect to the 5GHz WLAN (RT-AC88U).
On 2.4Ghz everything works fine.
Is there anything what I can check why only 5GHz has an issue?
 
since the last update to the latest SW I cannot connect to internet if I connect to the 5GHz WLAN (RT-AC88U).
So what exactly was the previous firmware version and what is it now? "Latest" isn't particularly helpful.

Is there anything what I can check why only 5GHz has an issue?
Look for errors in the router's System Log and Wireless Log.
 
Hi
Thanks for the reply.

Latest SW is the latest one which you can find is 386.2.4 and I had the previous release before which was 386.2.2.
It may also happen that in meantime I have set something wrong in the GUI accidently.
I guess I have to reset the router completely but redo all the setting again is a nightmare....
Save and restore all settings did not help.

The syslog does not show anything problem when I serach for 'error':

Zeile 409: May 12 19:18:46 miniupnpd[1749]: upnpevents_processfds: 0x2e3a8, remove subscriber uuid:356d55b9-de83-49e0-b9be-98771d991c7e after an ERROR cb: http://10.10.2.102:2869/upnp/eventing/tumpguywel
Zeile 585: May 12 22:11:40 wsdd2[1967]: error: wsdd-mcast-v4: wsd_send_soap_msg: send
Zeile 608: May 12 22:11:44 miniupnpd[1749]: upnpevents_processfds: 0x2e008, remove subscriber uuid:91c06607-b901-4620-b22e-585c8e8f3778 after an ERROR cb: http://10.10.2.137:2869/upnp/eventing/yztlrugexh
Zeile 609: May 12 22:11:44 miniupnpd[1749]: upnpevents_processfds: 0x2e298, remove subscriber uuid:291fe6e4-81bc-4d8f-a8fb-6ec339776bfb after an ERROR cb: http://10.10.2.137:2869/upnp/eventing/rnbotgwaaz
Zeile 3504: May 14 13:10:51 kernel: EMF_ERROR: Hooks already unregistered
Zeile 3505: May 14 13:10:51 kernel: EMF_ERROR: Hooks already unregistered

In the WLAN log I see also nothing strange:

SID: "MySSID"
noise: -90 dBm Channel: 116/80
BSSID: 88:D7:F6:B7:C5:7C Capability: ESS RRM
Supported Rates: [ 6(b) 9 12(b) 18 24(b) 36 48 54 ]
VHT Capable:
Chanspec: 5GHz channel 122 80MHz (0xe07a)
Primary channel: 116
HT Capabilities:
Supported HT MCS : 0-31
Supported VHT MCS:
NSS1 Tx: 0-11 Rx: 0-11
NSS2 Tx: 0-11 Rx: --
NSS3 Tx: 0-11 Rx: --
NSS4 Tx: 0-11 Rx: --

Interference Level: Acceptable
Mode : AP Only

DFS status: state In-Service Monitoring (ISM) time elapsed 1585050ms radar channel cleared by DFS channel 116/80 (0xE07A)

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, Passive
Channel 104 A Band, RADAR Sensitive, Passive
Channel 108 A Band, RADAR Sensitive, Passive
Channel 112 A Band, RADAR Sensitive, Passive
Channel 116 A Band, RADAR Sensitive
Channel 120 A Band, RADAR Sensitive
Channel 124 A Band, RADAR Sensitive
Channel 128 A Band, RADAR Sensitive
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 Tx rate Rx rate Connect Time
 
Set your 5 GHZ to a non DFS channel. 36 would be good.
 

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