Solution Ethernet Backhaul not working
This Article applied to:
All Deco models
There are several typical network layouts for Ethernet Backhaul:
Case 1
Case 2
If your current network topology is similar to one of them, please refer to the following troubleshooting suggestions:
1. Temporarily the switch and connect the satellite Deco to the main Deco directly. If the Ethernet Backhaul is active immediately, please check whether your network switch supports IEEE 1905.1 protocol or not. Refer to Q4/Q5 in the below FAQ for more detailed explanation:
General questions about Ethernet Backhaul feature on your Deco
2. If the switch is confirmed IEEE 1905.1 protocol supported, please leave the model number of the switch here.
3. If you are using the TP-Link switches, login to the web UI of the switch, go to Monitoring > Loop Prevention to Disable the Loop Prevention:
Case 3:
Note: It also works in both wireless router and access point mode
Please refer to the troubleshooting suggestions:
1. Change the Ethernet cable between the Deco nodes.
2. Swap the location of the satellite Deco nodes to confirm that the issue is not caused by a specific Deco.
If the issue persists, comment below with the following information:
--What kind of Ethernet cable do you use, like UTP Cat5e?
--How long is the cable?
In the meantime, the following beta firmware has optimized the Ethernet Backhaul feature on Deco.
Please also install the firmware first and check whether Ethernet Backhaul could be successfully created.
>>How to update the firmware via web UI
Deco M4 V1/V2 | 1.5.5 build 20221124 |
Deco M4 V3 | 1.6.0 build 20221125 |
Deco M4 V4 | 1.0.0 build 20221020 |
Deco X20 V4 | 1.0.0 build 20220715 |
Deco X60 V2 | 1.5.1 build 20230130 |
Deco X60 V4 | 1.0.0 build 20221019 |
Note:
1. Be sure you have read the Terms and Conditions for TP-Link Beta Firmware before proceeding!
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@David-TP Yes David, the Asus router used to be put where the T3-Deco is, and that router using the LAN port just fine. But I want to get mesh network and using 1 wifi name so I replace 3 routers to 3 X60 though.
Is there anything would you recommend to get the ethernet backhaul working? Should I try to install one more tp-link switch before connect the LAN port to T3-Deco?
Many thanks.
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Hi, for the network layout:
(Deco in AP mode)
Modem (Internet source) >>> tp-link switch (sf1005d) >>> main deco x60
>>>Satellite Deco X60-1 on 2nd floor(T2)
>>>Satellite Deco X60-2 on 3rd floor(T3)
Is there actually a long Ethernet cable coming from SF1005D to T3 or SF1005D to wall Ethernet socket~~~~wall Ethernet socket-T3?
Earlier, you mentioned that if T3 Deco is on the 2nd floor, the Ethernet backhaul works. Will Ethernet backhaul works on T2 Deco when it is put on the 3rd floor?
By the way, is there any chance that you could run an Ethernet cable directly from T2 to T3, not from SF1005D to T3?
If a direct connection from SF1005D did not work, I don't think one more TP-Link switch between 1005D and T3 Deco could make any difference. The Ethernet Backhaul between Decos is based on standard IEEE 1905.1 protocol so it is kind of like the Ethernet cable not only transferring the internet packets, but also the IEEE 1905.1 packets. But Currently, the IEEE 1905.1 packets seemed lost during the communication.
Thank you very much.
Best regards.
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thank you for your reply.
My setup is:
modem --> sf1005d (about few cm) --> main deco at 1st floor (about few meter); sf1005d --> T2-deco is on 2nd floor (I dont know exactly how long is the cable but i guess it maybe 5 meters); sf1005d --> T3-deco is on 3rd floor (i dont know exact how long is the cable, my guess is not over 10 meters), from wall sockets on 3rd floor to deco is few cm away though.
because all the wires are inside the wall, it is impossible to run cable from 2nd to 3rd floor though.
is it better if i setup other way like
modem --> deco main --> switch ---> satelite on 2nd and 3rd floor and set deco as router. Would that make any different?
any other suggestions?
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@juzkid Hi,
Thanks for checking for me. Since we are almost out of suggestions now, It's worth a try for your recommended setup:
modem/router combo --> deco main --> switch ---> satellite on 2nd and 3rd floor and set deco as router
By the way, have you helped checked the following questions:
Earlier,if T3 Deco is on the 2nd floor, the Ethernet backhaul works. Will Ethernet backhaul works on T2 Deco when it is put on the 3rd floor?
Best regards.
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Hi David, it has been a busy week for me. But today I got time to try out your recommendations though. Also, I bought new tp-link switch ls1008g (giga switch). The story are:
1. Tried to change deco T2 to T3: it still not works.
2. Tried to setup router->deco main-> switch->deco satellite and set as router: T3 still not connect through Ethernet backhaul.
3. But there is 1 little interesting thing though, after change to the new switch, if I plugged Ethernet cable to T3 continuously then T3 showing not connected though. When I unplugged, T3 connect to T2 wirelessly like before.
Is there any other suggestions that you would recommend?
thank you.
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I am looking to add a mesh system to my house to replace my existing wireless. I was looking at the X60 and using 3 of them since I have an extremely long ranch house. I had the whole house wired with Cat 6a cable 4 years ago (plain Cat 6 to the cameras). My wired network is a bit complex/complicated and I want to make sure I will not have a ethernet backhaul problem with the configuration. I plan on putting all three X60's in AP mode and continue to let my modem/router handle it's duty. Logically I believe this should work, wondering if there will be any practical problems. I am attaching a picture of my proposed setup.
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Having similar issue. The "Kitchen" node is connecting by WiFi, backhaul not working.
I have an unmanaged switch connected to the Main Deco, and then all nodes connect to the switch.
Two work perfectly (Attic and Bedroom); they connect by backhaul and no issues.
I speed tested the ethernet cable supplying the "Kitchen" node and it's giving me full speeds as per my ISP, similar to other cables.
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@DeclanMC Hi, welcome to the community.
Here are some suggestions for your reference:
1. Please change the Ethernet port on the switch that Kitchen Deco is connected to.
2. Swap the location of the Kitchen Deco and Bedroom Deco or Attic Deco.
By the way, May I know the model number of the unmanaged switch?
Best regards.
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I’m having a similar issue. In my network topology, I have a Deco XE75 as main unit and 3 other units (2 XE75 and another PX50) connected to the main unit through a tp-link ls1008g switch.
Only one of the XE75 units is not recognizing the Ethernet backhaul, as images bellow. I tested the network cable, as well as changed the switch port without success.
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What will happen if you power off Satellite Deco which does not recognize Ethernet backhaul: will another Satellite switch to WiFi backhaul or not?
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Replies: 40