Configuration Guide How to set up Ethernet Backhaul with your Deco devices
Ethernet Backhaul is a feature that makes it possible to wire the Deco units together to optimize the bandwidth and network stability.
Normally, after wired Deco units with an Ethernet cable, the Ethernet backhaul will take effect automatically.
Typical connection structures for Ethernet Backhaul
QA
Q1: Which switch models support Ethernet backhaul?
Most of the switches on the market support Deco's Ethernet backhaul feature. If you don’t have a switch or if your switch is verified not compatible with Deco Ethernet Backhaul, the following models will be a good choice:https://www.tp-link.com/home-networking/all-soho-switch/
Q2: To use the Ethernet Backhaul feature, do I need to wire all my Deco units?
Nope. The following network layout works as well.
Q3: How do I know if Ethernet Backhaul takes effect?
Q4: Why my satellite Deco's signal source shows "Wi-Fi" instead of "Ethernet" in the Deco app even if the main Deco and the satellite Deco are connected to the same switch?
Please refer to the suggestions on this link:Ethernet Backhaul not working
Q5: Why my Deco units become unstable once they're connected via a switch?
The Deco Ethernet backhaul feature is based on the standard IEEE 1905.1 protocol. However, we find that some switches, mainly the D-Link switches, will not forward packets based on IEEE 1905.1 protocol, causing all Deco units in a network loop and becoming quite unstable, you might consider changing another switch or contacting switch’s support directly. TP-Link Switches are mostly compatible with our Deco’s Ethernet backhaul.
Q6: Can I set up different Deco models such as M5 and M9 Plus together through Ethernet backhaul?
Yes, just configure and add different Deco models in the same Deco network. After that, you can wire them to set up the Ethernet backhaul connection.
You could refer to the link to learn how to add different Deco models in the same network.
Q7: Can I use one Ethernet port on the Deco for Ethernet backhaul and the other to connect a computer?
Yes. For more details, please refer to How to use Ethernet Ports on Deco?
Q8: Can I use a pair of powerline adapters to build Ethernet Backhaul, like Main Deco---master Powerline adapter~~~extended Powerline adapter---satellite Deco?
Yes and please keep in mind that the Ethernet Backhaul speed now will depend on both the Ethernet cable quality and Powerline rate.
Related Article: General questions about Ethernet Backhaul feature on your Deco
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woutermb wrote
Showing how the decos are connected would be a very much needed feature. Please implement this asap.
Hi,
There is a plan to add this feature already, while for the exact date, you can keep an eye on official website/Deco app.
Nice day.
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Hi All
I have just purchased a set of 4 M9 routers.
I am required to have a central router from my ISP (for TV and Internet). So I had planned to use the M9s in Access Point and Ethernet Backhaul mode all connected to the main router.
Topology would look like this:
Router --> 24port D-Link DGS-1100 Switch --> M9 (Main)
--> M9
--> M9
--> M9
Is this workable? I have not been successful so far. I can connect the Main M9 to Ethernet and it works as expected. The other M9s work as expected wirelessly. However, as soon as I connect the other M9s to the Ethernet, I get what appear to be DHCP errors on the network and it brings everything down. I have to reset the Router and all device in order to get working again.
Any help greatly appreciated. I have updated all firmware.
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Thank you for that tip! I will try that and report back. Just to confirm: You're using them in Access Point mode? And the simple switch was or was not connected to the internet?
Thanks!
Chris
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Update: Here is my procedure for getting (I think/assume) Ethernet backhaul to work with the Deco M9 in Access Point mode. This requires a non-DLink switch. It may require all Decos to be communicating directly on the same switch.
A: It appears I have managed to make everything happy but it is definitely finicky, for a few reasons. Hopefully the explanation below helps.
B: I started by first resetting the 4 Decos so they were all in blue-flashing light setup mode.
C: i also reset my ISPs router/switch so that it was fresh by unplugging/replugging the router. (You need to do this everytime something breaks!)
D: I then plugged them all into a simple switch that itself was *disconnected from the internet.
E: It was a Netgear brand switch. This probably matters. A D-Link branded switch may not work more on that later.
F: As the two ports on the Decos are not marked, I used the port nearest the power to plug into the switch for each Deco.
G: With all the Decos on and flashing blue and plugged into the non-internet connected switch, I fired up the app (I deleted my previous network) and went into initial setup mode.
H: I let the Deco app choose the first Deco to pair with.
I: I set it not to be connected to a router, set it to a Dynamic IP, and skipped the last part when it, as expected, was not able to connect to the Internet.
J: I got to the “Set up More Decos” or “I am Done” screen and chose to set up more Decos.
K: It then found the other three Decos and allowed me to name them.
L: It finished the setup, again complained about not being connected to the internet (red light) but that’s Ok.
M: You should now be able to get into the main home screen. Go into the Advanced settings and set it to Access Point mode. You will need to wait for all of the Decos to reboot. And get back to the same home screen.
............
NOTE: Now we pause the step by step since at this point I tried a number of things to get the Decos to play nice on the network. Every time I failed I had to unplug/replug my ISP router, unplug the slave decos and reboot or unplug/replug the main Deco.
My troubleshooting indicates two things:
1: My DLink 24 port switch is a problem. The main Deco can use it to connect to the Internet but as soon as any slave Deco connects to it the whole system breaks down and I had to do the procedure I just mentioned in the NOTE. Tp-Link has mentioned that there is a problem with DLinks. It persists.
2: However, in addition to that, if there is ANY inconsistency at all with the setup when you bring the slaves back, the system will fail and require the NOTE procedure. This includes if a slave has its ethernet connection disconnected at bootup. It seems to go into wireless mode instead and takes everything else down with it.
So if you are doing this follow the next steps carefully!
......
N: You can now unplug all of the Decos.
O: Plug the switch you used to test into a port that is connected to the internet/your router or otherwise make the arrangements you need to to get the Decos into their final places while plugged into Ethernet that goes into the same switch you just tested on. Don’t turn them on yet.
P: Start by turning on the Main Deco. Make sure it is green and you can connect to the Internet. It might take a while. You might also need to reset your internet/isp router before it works.
Q: Once the Main is working, plug One of the slave decos in. Ensure it is properly connected and green. If it goes red, you will need to reset your ISP/Internet router and reboot the main Deco then troubleshoot the slave Deco causing a problem.
N: Once you do that with all of the slaves, you’ll be done and finally, yes finally, your Ethernet Backhauled Access Point Mode Decos will be working.
........
Done
........
it wasn’t all that easy... it really should be easier. The DLink bug in particular should be neutralized in some way or there should be a warning on the app or in the documentation about compatibility with DLink.
An indication whether Ethernet or Wireless Backhaul is being used on each Deco would be nice too.
Thanks to all the folks in this thread particularly woutermb and others for the hints and tricks that helped.
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