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Archer AX1800 speed downgrades to 10Mbps

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Archer AX1800 speed downgrades to 10Mbps

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ZakkIngram

2021-09-08 22:55:19 - last edited 2021-10-14 01:26:25

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Registered: 2021-09-08

Archer AX1800 speed downgrades to 10Mbps

2021-09-08 22:55:19 - last edited 2021-10-14 01:26:25

Model: Archer AX20

Hardware Version:

Firmware Version:

Model: Archer AX20

Hardware Version: V1

Firmware Version: 20210521

I have been using the ArcherAX1800 Wi-Fi 6 Router (Hardware Version Archer AX20 v1.20) as Access Point at my home. I have a 200 Mbps Fiber connection from Airtel. For first few days the router worked fine, but then it started to deliver slow speeds. The Ethernet status started to show Internet speed as 100Mbps in Access Point Mode. Factory reset would resolve the problem. But it happened every 3-4 hours.

https://100001.link/ https://192168101.dev/ https://1921681254.link/

I then changed the mode from Access Point to Router Mode. The speed was instantly restored to 1000Gbps. But after working for 3-4 hours the speed was reset to 10Mbps Full Duplex.

Again, I changed the mode back to Access Point and instantly the speed was again 1000Mbps

The cable that connects the modem and router is perfectly fine. I have attached the cable directly to one of my computers and it delivers consistent speed as per my ISP Connection Plan for full day.

Please guide, how can this problem be solved.

https://100001.link/ https://192168101.dev/ https://1921681254.link/

1 Reply

Kevin_Z

2021-09-09 01:30:05

Posts: 21745

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Registered: 2018-12-24

Re:Archer AX1800 speed downgrades to 10Mbps

2021-09-09 01:30:05

@ZakkIngram

When the speed drops to 100Mbps, how about the Negotiation Speed displayed on the router web GUI? Please send us a screenshot, thanks.

Meanwhile, have you choose 1000Mbps Full-Duplex under Advanced > System Tool > System Parameters? It's strongly suggested to try with a different cat 5e/6 cable, both the cables from the modem to the router and the cable from the router to the device need to be good. Cables do go bad especially if moved a lot, and you can see some customers resolved the issue by changing with new cables:

https://community.tp-link.com/en/home/forum/topic/270754

When did you buy the Archer AX20? Did the issue occur when you installed it, or it happens after working fine for months?

Nice to Meet You in Our TP-Link Community. Check Out the Latest Posts: Connect TP-Link Archer BE550 to Germany's DS-Lite (Dual Stack Lite) Internet via WAN Archer GE550 - BE9300 Tri-Band Wi-Fi 7 Gaming Router Archer BE800 New Firmware Added Support for EasyMesh in AP Mode, DoH&DoT, and 3-Band MLO Connection Archer AX90 New Firmware Added Support for EasyMesh and Ethernet Backhaul If you found a post or response helpful, please click Helpful (arrow pointing upward icon). If you are the author of a topic, remember to mark a helpful reply as the "Recommended Solution" (star icon) so that others can benefit from it.

Archer AX1800 speed downgrades to 10Mbps

Archer AX1800 speed downgrades to 10Mbps

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