New AX11000 Slow Upload Speed

New AX11000 Slow Upload Speed

New AX11000 Slow Upload Speed
New AX11000 Slow Upload Speed
2024-03-29 16:52:18
Model: Archer AX11000  
Hardware Version: V2
Firmware Version: 2.1.6 Build 20230907 rel.65510(4555)

Hi all,

    Looks like there are a few threads about this, for this router but for others also. I just swapped out a Netgear router for this and get the 1/2 upload speed issue. Connected by ethernet from laptop to ONT, previous speedtest showed 500Mbps download and 900Mbps upload. Exactly as it should be. Currently I'm getting 500Mbps down and ~450-500Mbps up. Tried different QOS settings, turning off Antivirus etc. 1000/1000 Full duplex set. Etc. etc.

    

    Realistically has anyone actually fixed this problem?

 

Regards

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#1
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3 Reply
Re:New AX11000 Slow Upload Speed
2024-03-29 16:53:03

Forgot to mention. Doing a speedtest speeds start off at 900 and then quickly drop to the final 500.

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#2
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Re:New AX11000 Slow Upload Speed
2024-04-01 07:02:56

  @RalfyFM 

 

Hi, please disable QoS and test the router speed again.

 

By the way, if you bypass the router, and connect the same computer to your ONT or modem directly, what is the speed now?

If you found the post or response helpful, please click Helpful. If an answer solves your problem, click "Recommended Solution" so that others can benefit from it.
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#3
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Re:New AX11000 Slow Upload Speed
2024-04-01 09:51:56

  @Sunshine It turns out the following is happening:

 

Ports 1 and 2 are full speed and I haven't seen a drop on these.

Port 4 mostly is at full speed but sometimes there is a drop.

I didn't check port 3

Ports 7 and 8 would mostly not even negotiate and when they did the upload speed was always 100Mbps. Even if I then swapped from 8 to 2 and back again, for example, 2 was always 900Mbps upload but 7/8 was 100Mbps. 

I didn't check ports 5 and 6

 

I couldn't work out how to connect the laptop directly to the ONT due to VLan id settings required by my ISP. However, given the tests above it seems some are negotiating at expected speeds, 4 is weird and I'm putting that down to "other factors". I suspect 5 to 8 are all the same and negotiation is always 1000Mbps down but only 100Mbps up for some reason. Certainly 7 and 8 do this. That's when they negotiate. More often than not they reported no connection.

 

This was with QOS -> Standard. I forgot to try QOS off though it is now and port 1 is still working as expected.

 

Regards

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