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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- I found the rebooting to occur every time D-Link DGS-1008D is in between 2 DECO's.
- another router as switch: please take care that you don't introduce a second DHCP server - the same issue can occur if the IP address ranges are incompatible
...it's a pretty sensitive thing... but since I replaced my switch it has worked rock solid for me.
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Does Deco support the following topology?
|- DECO #1
MODEM/SWITCH |
|- DECO #2
In words: It is basically similar to the start topology described in this post, but the modem and the switch is actually the same device.
I have my modem installed at the entrance of the house, and it can also act as router/switch/whatever. And I have a wired connection from each room to it. It does bridging between all these wires. So I'd like to interconnect the DECOs using these wires.
Will it work...? In your topology, you use separate WAN and LAN ports. But in my case, WAN and LAN port is actually the same... going to the modem/switch.
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Just set up my Deco system yesterday. Setup went (more or less) fine. Setting up first Deco as router and connecting two other (and various cabled network units) via a gigabit ethernet switch.
Then i got various problems, The main Deco (set up as router) seemed to work fine, but every other unit connected to the network experienced massive ping and disconnect issues, the other Deco units rebooted at what seemed like random aswell.
Seemed like streaming would work fine (on a PS3 with wired connection), but i think it was mostly because the speed of the internet connection was enough to feed the buffer before it ran out. In any other way the internet was useless.
After i read about the trouble with some D-link switches i decided to replace the rather old Netgear switch with a newer Svive, and it seems like this solved the problems.
My current setup:
[Modem]
___|
[Deco (router)]
___|
[Svive Opacus (8p 1GB/s switch)]
___| ____| ___| _____| _______|
[Deco] [PC] [PC] [Printer] [Svive Nimbus (5p 1GB/s switch)]
___________________________| _____| _____| __
_________________________ [Deco] [PS3] [AVR]
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Just set up my Deco system yesterday. Setup went (more or less) fine. Setting up first Deco as router and connecting two other (and various cabled network units) via a gigabit ethernet switch.
Then i got various problems, The main Deco (set up as router) seemed to work fine, but every other unit connected to the network experienced massive ping and disconnect issues, the other Deco units rebooted at what seemed like random aswell.
Seemed like streaming would work fine (on a PS3 with wired connection), but i think it was mostly because the speed of the internet connection was enough to feed the buffer before it ran out. In any other way the internet was useless.
After i read about the trouble with some D-link switches i decided to replace the rather old Netgear switch with a newer Svive, and it seems like this solved the problems.
My current setup:
[Modem]
___|
[Deco (router)]
___|
[Svive Opacus (8p 1GB/s switch)]
___|____|___|_____|_______|
[Deco] [PC] [PC] [Printer] [Svive Nimbus (5p 1GB/s switch)]
___________________________|_____|_____|
_________________________[Deco] [PS3] [AVR]
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Yes! In fact that is how I have mine configured, and it works wonderfully.Sho_69 wrote
Could it be configured in the following way?*deco 5-1 to the modem*deco 5-2 to deco 5 1 ethernet. deco 5-3to wifi
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thank you very much. So I save myself buying a swich. I configure everything for wifi and then connect the ethernet cable?Kienzlenator wrote
Yes! In fact that is how I have mine configured, and it works wonderfully.
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Sho_69 wrote
thank you very much. So I save myself buying a swich. I configure everything for wifi and then connect the ethernet cable?
Yes, you should configure everything using only WiFi at first, and then connect ethernet. It took me a couple of tries to get it to switch from wifi to ethernet, so test your speed on a device connected to the specific deco just to make sure it is all correct.
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