Deco AX3000 (X55) Backhaul dropping to only 100mbs

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Deco AX3000 (X55) Backhaul dropping to only 100mbs

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
Deco AX3000 (X55) Backhaul dropping to only 100mbs
Deco AX3000 (X55) Backhaul dropping to only 100mbs
2024-03-29 21:33:21 - last edited 2024-03-29 23:08:59
Model: Deco X55  
Hardware Version: V7
Firmware Version:

I have a strange situation. I have the house set as follows:

Surfboard Router (Bridge Mode) >> Deco X55 >> Ethernet Cable 100ft to Deco X55 (Outdoor Rated Cat 7 Cable Amazon) >> To PC.

 

Now I used to have My PC just go to the patch panel >>100 ft Cat7 cable >> Surfoard Router and I got  600+mbps.

 

If I hook it up like above it autonegotiates to 100mbps. I stuck a LinkRunner on the end and I can see it negotiate initially from a gig, blank out, 100mb, blank out, gig, and then finally settled on 100mbps.

 

I tested the long 100ft cable by itself with the LinkRunner and it reads as a Gigabit, then I tested the two smaller cables that terminate from this long outdoor cable and they both show Gigabit. I only speicfy all this becaseu I know people will immediately shout its your cablee but then how can that be if I can direct connect my PC to it and get 600 mbps? 

 

This is driving me nutes and I am starting to suspent the Amazon cable but then still go back to the ability to get 600mbps from the PC.

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Re:Deco AX3000 (X55) Backhaul dropping to only 100mbs
2024-04-02 06:45:08

  @Eric4381 

welcome to the community.

I suspect the Ethernet Backhaul between Deco units did not work well with the long Ethernet cable.

Have you tested the speed on the PC in the layout like:

Surfboard Router (Bridge Mode) >> Deco X55(main) >>100 ft Ethernet cable >> To PC?

Wait for your reply and best regards.

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Re:Deco AX3000 (X55) Backhaul dropping to only 100mbs
2024-04-02 19:05:43

  @David-TP 

 

Yep. I am currently connected that way and tested on two PCs after that long backhaul cable and only get 100mb. I did realize now relooking at the amazon listing I linked they have really bad reviews so maybe I made a mistake in trusting the cable. Not sure

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