Hidden 2.4GHz broadcasts on Deco X50 despite "5GHz Only" and Wired Backhaul

Hidden 2.4GHz broadcasts on Deco X50 despite "5GHz Only" and Wired Backhaul

Hidden 2.4GHz broadcasts on Deco X50 despite "5GHz Only" and Wired Backhaul
Hidden 2.4GHz broadcasts on Deco X50 despite "5GHz Only" and Wired Backhaul
Yesterday
Model: Deco X50   Deco X50-Outdoor  
Hardware Version:
Firmware Version: 1.3.1 Build 20260304 Rel. 4758

Hi TP-Link Community,

 

I am currently optimizing my home network and I’ve encountered a persistent behavior with my Deco X50 (4-unit setup) that I would like to clarify.

 

My Configuration:

  • Backhaul: All 4 units are connected via Ethernet Backhaul.

  • Main Network: Configured to 5GHz only (using 160MHz bandwidth).

  • Guest Network: Disabled.

  • IoT Network: Disabled (temporarily, for reorganization).

  • Around 60 devices connecting spread on all Decos

 

The Observation: When performing an environment scan using a Wi-Fi analyzer, I noticed that despite the configurations above, hidden 2.4GHz networks remain active on every Deco unit. These hidden SSIDs are directly tied to the MAC addresses of my Deco devices.

 

Questions:

  1. Is this behavior intended? Since all units are wired and no 2.4GHz SSID is active, I expected the 2.4GHz radios to stop broadcasting.

  2. Redundancy: Are these hidden signals kept active for wireless backhaul failover? If so, is there any way to disable this redundancy whn Ethernet is confirmed as stable?

  3. Access Point Mode: If I switch my Deco system to Access Point Mode, using a another device as a router, does the firmware allow for manual channel selection and channel width for each unit?

 

 

 

Thanks!

 

Andre

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2 Reply
Re:Hidden 2.4GHz broadcasts on Deco X50 despite "5GHz Only" and Wired Backhaul
9 hours ago

@Solla-topee 

 

Please advise 

Need help with the Deco app, setup, Ethernet backhaul, network switch or rolling back firmware? Router or AP mode? https://community.tp-link.com/us/home/forum/topic/699816?page=1
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#2
Re:Hidden 2.4GHz broadcasts on Deco X50 despite "5GHz Only" and Wired Backhaul
2 hours ago - last edited 2 hours ago

  @Drex_ 

Hi, 
The hidden 2.4 GHz Wi-Fi for backhaul won't be disabled when the 2.4 GHz Wi-Fi is disabled in the Deco app and when the Ethernet backhaul takes effect. When the Ethernet backhaul works, the Wi-Fi backhaul will disconnect automatically; however, the hidden 2.4 GHz Wi-Fi for backhaul is always active, so Deco nodes can connect via Wi-Fi backhaul if the Ethernet backhaul is not working.

 

When Deco X50 operates in AP mode, the channel selection and channel width options are available; however, Deco nodes on the same network use the same Wi-Fi channel and channel width.

 

Best Regards

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#3