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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Hi, welcome to the community.
I might need to follow up on your case via email, and please check later whether you have got an email from me.
By the way, may I know your interment service provider?
Thank you very much.
Best regards.
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having same or similar issue. The only time i ever see this burst speed that may go over 400Mbs is if it's lucky enough to run a speed test from the router
ISP: Xfinity
Package: 1.2Gbs
Modem: Xfi Gateway
Router:
Firmware Version1.2.4 Build 20210719 rel.12163(5553)
Hardware Version:Archer AX6000 v1.0
I have
- adjusted every aspect of the QoS, application and device priority as well as the upload/download total speeds to match
- disabled firewall and antivirus on router
- manually swapped to 1000bms full duplex
- disabled 2.4ghz
- factory reset modem
- hook directly to Xfi gateway modem via ethernet and get well beyond the advertised speed
- hooked directly to Xfi wifi 5g and get nearly 1gbs speeds to phone
- everything slows to 300-500 Mbs soon as i hook up this router
For the amount of money spent on these things, I expect it to work much closer to advertised speeds. I am not sure i want to purchase another tplink product. I haven't had great luck with any of the products. including extenders, repeaters, routers etc
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Sorry to hear that the speed is not good as expected with the AX6000. Please don't worry, we will look into it further and try to help you out.
Is this 300-500 Mbps the download speed or upload? Or both?
Are the QoS settings configured as described in this FAQ (Standard mode, no device in priority)? If possible, we would suggest resetting the AX6000 to factory defaults, reconfiguring it from scratch to observe if it will make a difference. Please don't modify or change any advanced settings this time, especially the QoS.
If no luck, we would like to have a specialist look into this further via email. Please check your mailbox later, and let us know if the issue is resolved. Thank you!
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robbiex wrote
Download speeds are 300-500 Mbs. Upload speeds are anywhere between 100-240Mbs I did mentioned i already did a factory reset and the qos settings.
@robbiex Thank you for confirming the settings. I thought you factory reset the modem but not the AX6000.
To better assist you, I've forwarded your case to the TP-Link support engineers, who will contact you with your registered email address later. Please pay attention to your email box for follow-up. Thank you.
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