Deco P9 unstable connection
Hi
I've had a 3 unit Deco P9 system from February this year. The Deco is in router mode.All units are connected directly to mains, no extension cords are used. Main unit and one of the satellites are located about 10m from each other and only one thin wall between them. The third unit is in the basement of my house and there's a lot of concrete, steel and water pipes (for heating) between the units. The wifi connection to the third unit is very weak, but it does exist. Thats why i wanted a PLC backhaul.
The system has been up and running for about 6 months without any issues. Connection also from the 3 rd.unit in the basement has been fast and stable, enabling remote working and video conferencing.
Suddenly about a week ago problems appreared. I did not change anything. Connection from the basement unit us unbelieavable unreliable.This applies to both wired and wireless devices. Sometimes the connection is as it used to be, but suddenly it is lost, or it is extremely slow (Speedtest showing less that 0,1 Mbps download speed). At the same time connection from the other 2 units is as always, i.e. no problems at all.
When the connection is slow, the led of the unit is solid white. It might also be solid white when there's no connection at all (Windows PC with ethernet cable connected to the unit does not recognize the connection, but white led anyway). And also, there has been times when there's no connection and the led is blinking red.
When the connection is slow, it seems that at least half of the packets are lost when pinging Deco's IP.
The firmware is the latest.
I have tried everything I have found from this forum and elsewhere. I have resetted the whole system, swapped the places of the units, tried fixed IP addresses, removed QoS services etc. In any case there's unstable connection from the unit in the basements and the others are working fine. Could it be so that deco wants to use the very weak wifi backhaul, even though the PLC backhaul is available and the PLC icon is visible in the app? But, I didn't update the firmware and before this week it worked fine. Is the Deco updating itself automatically?
I'm desperate because I need the connection for remote working. I already renovated my old office room and it's now reserved for other use. It's very difficult to carry everything back upstairs.It also will be very difficult to have an ethernet backhaul to the basement.
I paid over 200€ for the system. Now it's 6 months old and it probably will be difficult to get my money back.
Please advise.
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Hi, thanks for your feedback.
For the unstable connection on the Deco P9, please refer to the following firmware:
Latest version: 1.1.3 20210115
Download Link:
https://static.tp-link.com/beta/2021/202101/20210118/Deco_P9_1.1.3_20210115_debug.zip
How to update the firmware:
https://static.tp-link.com/2020/202012/20201207/Documentation for upgrading Deco system.pdf
Thank you very much and wait for your update.
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@Jaytea Is this firmware ever going to be pushed for update from the App?
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Hello,
I recently bought P9 to replace my old powerline adapter and I guess I will have to switch back to my 10 years old powerline.
The communication is very unstable, I tried installing the firmware from https://static.tp-link.com/beta/2021/202101/20210118/Deco_P9_1.1.3_20210115_debug.zip, but still same problem, it drops randomly after a few minutes, sometimes after a few hours, this was never happening with my old powerline adapter.
Do you have an idea what it could be?
Thank you.
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@levo I can't see any "System Parameters" option. How did you enabled it?
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@jjgalera you can find them in the system section on the Deco WEBUI for the router, the App doesnt show them
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@Andyl73 my P9 does not have that option in the web ui.. screenshots are from mobile, but I've tested it also on a pc
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@jjgalera do you see it in the IPV4 option of the Advanced settings page of the App? It also appears in there.
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@Andyl73 nope it's not there either
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is that firmware newer than this one:
P9(EU)_V2_1.1.3_201228
I still don't understand why there's still no advanced option in settings to force a particular backhaul method (i.e. force powerline). This is a premium product for power users - we should be able to dictate how we want our system to operate. It would also be good to have a connection test option between nodes so we can see connection speed, latency etc to test optimise our home networks.
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