100 MB ports ETH are delivering less than 50 MB

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100 MB ports ETH are delivering less than 50 MB

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
100 MB ports ETH are delivering less than 50 MB
100 MB ports ETH are delivering less than 50 MB
2021-04-17 18:50:06 - last edited 2021-04-17 18:56:44
Model: TL-SG1008D  
Hardware Version: V8
Firmware Version: 8,20

HI! I m checking my velocity networking and noticed something that I can´t understand till now. If anyone can help me, I'd  thanks a lot! 

My network is Hauwei Modem 600 Mpbs - eth port 1GB connected by a cat6 cable to Swtich TP-LINK TL-SG1008D, this model suport 10/100/1000 MBps connections . The connection between Modem and the Switch is through a  CAT6 cable support till 1 GB.  There are 6 users are connected on this switch with CAT5e cable. The problem is the folowing:

 

1 - When I connect a notebook with 1GB eth port throught a 3 meters CAT6 cable directly on the TP-LINK TL-SG1008D switch the velocity is around 450/500 MBps, what is perfect!

2 - When I connect any other equipment(router ou notebook with eth ports 100 MB) usint a CAT5E on the TP-LINK TL-SG1008D switch, the velocity is around 50 MBps, even with a only one meter cable.

 

I have no idea. I tried with another same model switch, and it happens the same thing. The solution I chosed was use CAT6 cable from Modem to Switches.  And from that Switches I'm using a CAT5 cable. I was expectting at least 70/80 MBps for the 100MB Users.

100 MB ports ETH  are delivering less than 50 MB

 

Sorry by some english mistakes.

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Re:100 MB ports ETH are delivering less than 50 MB
2021-04-23 08:14:45

@Luiz_Segantini 

 

What if you connect this other equipment(router ou notebook with eth ports 100 MB) to the Hauwei Modem directly, will you be able to get around 70/80 MBps? If the answer is yes, refer to the below troubleshooting:

https://www.tp-link.com/support/faq/737/

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