My archer C6 can no longer get 1000 mbps

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My archer C6 can no longer get 1000 mbps

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My archer C6 can no longer get 1000 mbps
My archer C6 can no longer get 1000 mbps
2021-06-12 21:53:24 - last edited 2021-06-14 16:11:41
Model: Archer A10  
Hardware Version: V2
Firmware Version: 1.3.6 Build 20200902 rel.65591(4555)

After buying an ArcherC6 (european version, v2) in Amazon, it was working for a couple of weeks at gigabit speeds. But now, for some reason, no matter how many times i reboot it, it always syncs to 100mbps instead of 1000mbps full duplex.

 

I've tried forcing 1000 mbps in archer's settings, I also forced it on my pc. It does show, however, that it's syncing to 1000mbps with my pc. The problem is between the archer and the main router. 

This is my main router screen, you can see it's negotiating 1000mbps full duplex with my provider, though archer is listed as 100MB FD:

 

 

This is archer's network screen, it shows it's negotiating 1000mbps with my pc, though only 100mbps with main router.

 

 

And this is the setting I tweaked to no avail:

 

Lastly, I used a cable tester with the cable that runs from archer's wan port to main router's lan port, and it seems the cable is OK, as the light went through all numbers.

Can you help me to fix it? Thanks in advance.

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1 Accepted Solution
Re:My archer C6 can no longer get 1000 mbps-Solution
2021-06-13 10:54:47 - last edited 2021-06-14 16:11:41

@Jorico 

 

Either change the cable between your main router and C6 with another one (Cat5E/6) or use another LAN port on your main router to connect to C6.

It's best to use factory made ethernet cables, as a rule it's recommended to use the cable from the router kit or buy a new one if needed.

Experiment with these two options to see which one could fix your issue.

If this was helpful click once on the arrow pointing upward. If this solves your issue, click once the star to mark it as a "Recommended Solution".
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Re:My archer C6 can no longer get 1000 mbps-Solution
2021-06-13 10:54:47 - last edited 2021-06-14 16:11:41

@Jorico 

 

Either change the cable between your main router and C6 with another one (Cat5E/6) or use another LAN port on your main router to connect to C6.

It's best to use factory made ethernet cables, as a rule it's recommended to use the cable from the router kit or buy a new one if needed.

Experiment with these two options to see which one could fix your issue.

If this was helpful click once on the arrow pointing upward. If this solves your issue, click once the star to mark it as a "Recommended Solution".
Recommended Solution
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#2
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Re:My archer C6 can no longer get 1000 mbps
2021-06-13 17:25:05

@terziyski Thank you! Changing the ethernet cable in the main router to another port did the trick. However, now I'm wondering what might be the issue. I crimped the connectors in the cable myself, maybe they didn't fit perfectly?

 

Again, many thanks for your kind help!

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