Backhaul network limited to 100mbps

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Backhaul network limited to 100mbps

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
Backhaul network limited to 100mbps
Backhaul network limited to 100mbps
2023-10-08 07:21:33 - last edited 3 weeks ago
Model: Deco X60  
Hardware Version:
Firmware Version: 1.5.1

Hello,

 

I recently set up a backhaul connection between my deco devices. My deco is set up a access point. I have 3 deco devices, 2 X60 and 1 E4. The main device is one of the X60s.

I have a 1000/300mbps connection from my ISP.

 

I installed RJ45 wall ports (the ports are cat6 and the cables between these ports are cat 6a). Wall ports have this configuration : cat6{port} - cat6a{cable} - cat6{port}

 

So here is my home network configuration :

 

Archer D2 -> cat7{Switch TL-SG108E}, cat7{Deco X60_main}

 

Switch TL-SG108E -> cat7{wall port1}, cat6{wall port2}, Nintendo switch, TV etc.

 

cat7{wall port1 -other side-} -> cat6a{Deco X60_2}

cat6{wall port2 -other side-} -> cat6a{Deco E4}

 

So the deco E4 is on 100mbps, which is not surprising since the ethernet port on the E4 is limited to 100mbps. However, the deco X60_2 is also limited (based on the LED from the switch and the speed test when connected to this mesh device) to 100mbps while the X60 ethernet port is up to 1Gbps.

 

Do you guys have an idea why ?

Thanks for your answers.

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Re:Backhaul network limited to 100mbps
2023-10-08 12:37:36 - last edited 2023-10-08 12:37:56

  @rodrigue741 

 

That usually means Deco unable to negotiate gigabit speed on Ethernet link. That usually points at issues with cabling.

 

There are multiple ways to test that theory, for example:

 

1. Swap Main Deco X60 and Satellite Deco X60 and see which one is now connected over 100Mbps. If this theory is right, Satellite Deco will gain gigabit backhaul and Main Deco will be either 100Mbps or gigabit.

 

2. For Satellite X60 which is cat6a{Deco X60_2}, unplug that Cat6a cable from the wall, take X60 with that Ethernet cable to where Archer D2 is, plug Cat 6a directly to the Archer. Check negotiated speed.

 

3. Same as 2, but instead of Archer do that with TL-SG108E switch.

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