[Archer C80] Ethernet cable capped up at 100 mbps

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[Archer C80] Ethernet cable capped up at 100 mbps

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[Archer C80] Ethernet cable capped up at 100 mbps
[Archer C80] Ethernet cable capped up at 100 mbps
2021-09-29 18:02:24
Model: Archer C80  
Hardware Version: V1
Firmware Version: 1.5.1 Build 201119 Rel.55394n(4555)

Hi guys ,

i need your help!
For some reason my archer C80 is capping Ethernet ports at 100 mpbs

I have 300mpbs connection , when checking the speedtest from my phone on 5G it caps on 300 mpbs

but checking speedtest from PC with Ethernet cable shows around 95

I've configured the ports like following:

 

and when checking network status of the router:

 

and i also have the :

 

On LAN1 is my personal computer .

LAN2 - my TV

LAN3 - nothing

LAN4 - IPTV Device

 

Thanks in advance

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Re:[Archer C80] Ethernet cable capped up at 100 mbps
2021-09-29 22:10:42

@fishy1 

 

Move your PC to LAN3 or use another cable (CAT 5E/6) to connect to C80 and see if that helps.

You may consider upgrading the C80 FW if the former doesn't help and try again.

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Re:[Archer C80] Ethernet cable capped up at 100 mbps
2021-09-30 17:24:10 - last edited 2021-09-30 17:25:09

@terziyski 

How i did not figure that out ....

Thanks, it worked:

Why is it working like that ? What caps Lan1 or Lan2 to be at full 1gbps speed :?

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Re:[Archer C80] Ethernet cable capped up at 100 mbps
2021-09-30 17:34:15

@fishy1 

 

For LAN1 could be a loose RJ45 plug contact. For LAN2 could be that your TV is only 100mbps capable.

You can check LAN2 as well by connecting your PC there and the TV in LAN3.

In general a good quality, factory made ethernet cables are preferable for connection stability.

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