Troubleshooting Archer AX6000 Slow Upload Speed
This Article Applies to:
Archer AX6000
Archer AX11000
Issue Description/Background:
Some customers reported the upload speed is much slower than that provided by the ISP when connecting to the Wi-Fi router even with a cable connection. The download speed is as good as expected. This article aims to guide you to get this resolved.
Troubleshooting Suggestions:
1. Ensure you get the correct expected download and upload speed when connecting the computer directly to the ISP-provided modem. This is very important, which will help address whether the issue lies actually in the ISP modem or in the router.
2. If point 1 is confirmed and the download and upload are good, please login to the web interface page of the TP-Link router, check if the Internet Negotiation Speed is 1000Mbps Full Duplex, manually change it to that if it is on Auto or 100Mbps:
3. If you have ever modified the QoS settings on the router, check the following to see if that helps with the upload speed:
-Set the total bandwidth speed manually to that higher than your actual speed or more than 999 Mbps for up and down (Advanced > QoS, top of menu);
-Set the application priority to Standard (Advanced > QoS > Application Priority);
-Disable any device priority (Advanced > QoS > Device Priority);
-Disable HomeCare features (Advanced > Security > Antivirus);
-Save and reboot the router.
QoS Configuration Guide: How to turn off the QoS feature on TP-Link Router?
If the issue is not resolved, it is suggested to comment below and be sure to provide the following information:
- Name of your ISP
- Model of the ISP provided modem
- Download and Upload bandwidth provided by ISP
- Speedtest result when connecting to the ISP modem
- Speedtest result when connecting to the TP-Link router with an Ethernet cable
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Hello, have you gone through all the basic troubleshooting suggestions we provided in the original post, especially the QoS setting on the AX11000? Be sure it is on Standard mode, and no device on the priority list.
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@Kevin_Z TY For all the replies!!
Appreciate the time.
Yes, all procedures...several times. Reboots etc..
I can literally plug in my old router and the speeds are exactly what I'm paying for so I know it's there.
I'll say this again, the link posted as a solution in other threads is NOT a solution because you can not turn off QOS.
There is NO option for that.
I'm really not in the situation to be beta testing equipment.
I build workstations and do all my own networking and I've seen this scenerio several times w/ Companies who refuse to address known issues and just play circle the clowns w/their users.
This has been going on HOW LONG NOW? I literally just got it and the dates of some of these posts are over a year old now.
I would love to get a solution because as i said the router seems like it's everything I needed but if the solution is to turn off all the features then why the hell would someone spend premium $$ for that??
Again, TY For the responses @Kevin_Z but this is a serious issue that doesn't seem to be taken seriously if that's the solution being given to it's users,..
This is my 1st ever tplink and probably my last. Ihave a few weeks before my return window closes but I doubt this will get resolved before that.
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Apologies as I am running out of solutions if you've gone through all the troubleshooting suggestions we provided here. I know this can be frustrating and as much as I want to help I would like to escalate your case to our engineers, the engineering team will investigate to see if it is a concern in the router that can be resolved.
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@Kevin_Z Did you have manually configured the QoS download and upload speeds to match the ones delivered by your ISP? I have another tplink model (Archer A20) and it only works at full upload speeds if I set the QoS speeds manually. The router itself cannot measure the upload correctly using it's own test ( I have 150 Mbps ul, but it measures just 60 Mbps), but measuring using an computer or cellphone connected to it, it matches my ISP speeds.
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Same issue here. Just upgraed to the Frontier FIOS FiberOptic Gig Service service from the 500 and not getting the 940/880 Mbps through the router.
Archer AX6000 v1.0
1.2.4 Build 20210719 rel.12163
Name of your ISP
Frontier FIOS
Model of the ISP provided modem
FOG 421 ONT
Download and Upload bandwidth provided by ISP
940/880 Mbps
Speedtest result when connecting to the ISP modem
940/940 Mbps
Speedtest result when connecting to the TP-Link router with an Ethernet cable
760/498 Mbps
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RonnieZ wrote
Same issue here. Just upgraed to the Frontier FIOS FiberOptic Gig Service service from the 500 and not getting the 940/880 Mbps through the router.
Archer AX6000 v1.0
1.2.4 Build 20210719 rel.12163
Name of your ISP
Frontier FIOS
Model of the ISP provided modem
FOG 421 ONT
Download and Upload bandwidth provided by ISP
940/880 Mbps
Speedtest result when connecting to the ISP modem
940/940 Mbps
Speedtest result when connecting to the TP-Link router with an Ethernet cable
760/498 Mbps
@RonnieZ Have you gone through all the troubleshooting suggestions we provided here? Please be sure the QoS settings on the router is configured correctly, or I would suggest reset the AX6000 to factory defaults, then reconfigure it from scratch and just set up the internet on it, monitor and test the speed.
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@Kevin_Z I have tried adjusting all the settings and get the same results. I have also opened [TP-Link Support]-[TKID220122999] 16495495 and spent over an hour troubleshooting the issue and got no where.
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Hello, sorry to hear that the issue didn't get resolved with the support agents, and it seems now you are getting in touch with the engineers, I hope you can get it fixed with their help.
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Aurelius1975 wrote
@Kevin_Z I have the same issue and the solutions provided here don't work.
In fact, I already sent my first AX6000 back to Amazon for repair. A week later I was told that the device can't be repaired and I was sent a replacement device. The replacement device has exactly the same issue as the original device.
My internet service provider is Proximus (Belgium) and with a wired connection I get a decent upload and download speed (https://www.speedtest.net/result/d/365304417). However, when connected to AX6000, the upload speed drops to zero (both wired and wireless) and SpeedTest won't even finish.
Considering that AX6000 is the most expensive router I've ever had I'm at the end of my patience now. I have until 25 November 2021 to return the replacement device to Amazon and unless I will be provided a working solution before that date, I will return the router and ask my money back.
@Aurelius1975 agreed with your comment
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