Official 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.
Thanks to this feature, every two Deco units can be wired with an Ethernet cable. And Deco will transmit data between the two units through the Ethernet connection, which is more stable and faster than Wi-Fi. Once Ethernet backhaul is established, the Wi-Fi backhaul connection will disconnect automatically.
Here are two typical connection structures for Ethernet Backhaul:
Notes:
1. Please note that the main Deco unit will act as a NAT router by default.
2. Please add the Deco units on the same network at first through the Deco app before you wire them together.
3. Please make sure there aren't any other DHCP servers behind the main Deco. Otherwise, it will cause the second and third Deco units to obtain an invalid IP address that doesn't have internet access.
4. If you have switches on the network and find Ethernet Backhaul not working, please check the management IP address of your switches. It's possible that some switches adopt 192.168.0.1 (which is the same as the LAN IP address of the main Deco) as the management IP, which may cause some conflicts on the network. In this case, it's recommended to change the management IP address of switches to another subnet.
Frequently Ask Questions
Q1: Can I connect all the Deco units directly to my home modem/router?
* In Router mode
Only the main Deco could be connected to your home modem/router. Other slave Deco units should be connected behind the main one, just as the Star Network shows. If not, they may be in a network loop and cause unexpected dropout issues.
* In Access Point mode
You can connect all the Deco units directly to your home modem/router/switch as you want. The system will work as expected.
Q2: How to turn on the Ethernet Backhaul feature?
No need to switch on this feature manually.
Just add your Deco units in the same Deco network and wire them together as per the above network structure. Then Ethernet Backhaul will take effect automatically.
Q3: How do I know if Ethernet Backhaul takes effect?
Launch the Deco app, tap on "Internet". Then tap on the slave Deco unit which is wired to other Decos and you can see its backhaul status.
Q4: To use the Ethernet Backhaul feature, do I need to wire all my Deco units?
Nope. You can set up one for wireless backhaul, and the other one for Ethernet backhaul as what you want.
For example, if you have three Deco units and want to create Wi-Fi not only in your house but also in the garage, which is a little far from the house and without Wi-Fi coverage. Then you can put the main Deco and slave Deco 1 in your house (wireless backhaul). As for slave Deco 2, you can place it in the garage with a long Ethernet cable connected to the main or slave 1 unit. In this case, the slave 2 unit will work through Ethernet backhaul, while the main and slave 1 will work through wireless backhaul.
Q5: Why my Decos become unstable once they're connected via a switch?
It's probably that you're using a D-Link switch.
The Deco Ethernet backhaul feature is based on the standard IEEE 1905.1 protocol. However, we find that some D-Link switches will not forward packets based on IEEE 1905.1 protocol, causing all Deco units in a loop and become quite unstable. If you have a D-Link switch and encounter unstable issue with Ethernet backhaul, we recommend to change another brand of a switch or contact D-Link support directly for a fix.
If you're not sure which switch to use, TP-Link switches may be a good choice.
Q6: Can I set up Ethernet Backhaul through a powerline connection?
That's okay if the powerline connection doesn't block any data flow.
Typical topology is, modem ---- main Deco ---- Powerline unit~~~Powerline unit ---- slave Deco
Q7: 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 below for how to add different Deco models in the same network.
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@TP-Link Deco Hi,
I have an unstable Ethernet connection between Decos P9. System was working fine with the configuration below:
ISP Router(Bridge)->cable->DECO Main unit -> wifi -> DECO 2->cable-> DECO3
I could not connect it all by cable because I was usign a Dlink switch and could not get connection.
I have bought 2 TPlink switch (TL-SG108E & TL-SG105E) and was willing to have the DECO's all wired like this:
ISP Router(Bridge)->cable->DECO Main unit -> cable->switch 108->switch 105-> (DECO 2 and DECO 3 connected to same switch). It worked, but after some hours it fails DECO's turn RED, switch port starts to blink both leds... and it was not easy to recover, it seems it need to wake in specific order. Was this caused by the uplink between switch?
Now it's working with this connection, but I'm not sure if it's the best or even correct:
ISP Router(Bridge)->cable->DECO Main unit -> cable->switch 108->DECO2 -> switch 105-> DECO3
Can you please advise what should be the best option?
Should I make some configuration on the switchs? I have only IGMP enabled, not sure If I would need to configure any option on the VLAN/Uplink.
Thanks in advance
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Let me update my problem. Connection continued unstable.
I've made several tests in the switchs, and finally turning OFF both IGMP and loopback prevention it is working for some days without failing or restarting! I will try next weekend to test turning ON IGMP, but so far it's working.
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I didn't even try to set up ethernet backhaul with my managed D-link switch and bought a TL-SG105E.
Same issue as yours until I've disabled IGMP snooping and loopback prevention.
Thank you for posting
"If you're not sure which switch to use, TP-Link switches may be a good choice". LOL
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@TP-Link Deco je ziet wel volledig bereik op icoontje WIFI (en dus goed verbonden met WIFI op zich), maar surfen of spelletjes spelen blijft hij "hangen". Hij laadt dus niet verder. Soms lukt het wel om te verbinden (met internet) en marcheert dan tijdje en dan boenk weer gedaan: als je vb op IPhone pagina wil openen van je bookmarks dan blijft dat cirkeltje gewoon draaien om uiteindelijk "safari could not open this page blablabla" te geven. Soms kan het zijn dat het na tijdje weer terug even marcheert. het is HEEL hinderlijk!
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Hello!
I have an existing setup at home like this one with a 4-port router in the center, two satellite D-Link access points and 1 TP-Link gigabit switch connected to it.
Everything works great so far except I lose connection when walking from room to room. Thus, I'm planning to modify this existing setup by changing the D-Link AP's with two new deco units using AP mode.
Q1- Would the mesh wifi feature work as expected in that case with any Deco devices that I connect? (for example two Deco E4's ?) (or one deco E4 and one deco M4?)
Going one step further, I may plan to use this kind of setup in the future:
Q2 - With this network topology, again with any Deco devices that I connect, would the mesh wifi feature work as expected?
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This will work, if you only want to connect one device hardwired near your deco you don't need an additional switch, the deco disk itself is a small 2 port switch.
Can't confirm about mixing different types of deco, I use four of the same type in a simulair setup as your second drawing.
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Hi all,
I'm due to purchase a 3-unit-pack of either M5 or M9+ but I'm still slightly confused about how exactly I would go about daisy chaining all 3 units.
Is it WAN (ISP) -> WAN (Master); LAN (Master) -> LAN (Slave 1); WAN (Slave 1) -> LAN (Slave 2)?
Or would the last leg be WAN -> WAN of Slave 1 to Slave 2?
(apologies if this has already been explained somewhere in this 30page thread. If it has, please point me in that direction)
Tia...
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I have the NetGear GS108 and the main Deco is not working for me with the slave deco? Any help will be appreciated. I believe my switch is a managed service.
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re: "... confirm about mixing different types of deco ..."
In theory different Deco lines ought to work; I have mixed two different "X" series (X60 & X20 aka 3600). It might be a bit more of an issue across the "model lines" of Deco (e.g. X60 with M9), but even that ought to work.
I *would* recommend, though, selecting a "most capable" (e.g. fastest) Deco as the "Main" Deco, especially if it is acting as the wired "routing" Main unit (i.e. the one connected directly to the "gateway"/ISP device).
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Greetings & Good Wishes.
I have recently installed with the exactly same setup , with an Asus Router and 3 TP Link 8 Port switches.
I have configured the 3 Deco's (X60) as an Access Point.
I have multiple devices wired to the Ethernet TP Switches and WiFi to the Deco.
My setup is just 2 days old and I wondered if your system has stabilized.
Have you made any changes ? Appreciate your inputs.
Kiyamoh wrote
@TP-Link Deco , I'm having major issues with setup.
Is there something wrong with my setup? My Deco M5 cannot connect to the internet. Please help.
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