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Archer C6 AC1200 - slow download speed connected directly via ethernet but full speed with Deco M5

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Archer C6 AC1200 - slow download speed connected directly via ethernet but full speed with Deco M5

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
Archer C6 AC1200 - slow download speed connected directly via ethernet but full speed with Deco M5
Archer C6 AC1200 - slow download speed connected directly via ethernet but full speed with Deco M5
2024-05-09 15:15:29 - last edited 2024-05-09 15:22:03
Model: Archer C6U  
Hardware Version: V4
Firmware Version: 1.13.5 Build 240222 Rel.50991n(5553)

I am connected with 15MB/s internet speed and trying to clone a repo from github. My Router is Archer C6 but getting very slow internet speed. When I check with Fast.com the speed shows 14-15 MB/s but it actually isn't working in real life. I called my ISP and they came with this Deco M5 mesh and is wroking perfectly and getting the exact download speed with it.

 

 

I know some of you would ask me to check the Negotiation Speed which I did already and I went through all the FAQ and already answered threads like bellow,

  1. https://community.tp-link.com/en/home/forum/topic/183010?sortDir=DESC&page=1
  2. https://www.tp-link.com/bd/support/faq/2472

 

 

 

You can already see that I have Full Duplex setup with my LAN port.
So, what's the solution for this?

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Re:Archer C6 AC1200 - slow download speed connected directly via ethernet but full speed with Deco M5
2024-05-10 05:56:33

  @Bangladeshi_Boy 

 

Hi, thanks for posting question on our community.

If you are experiencing slow Internet speed with your TP-Link Archer Router, here are some steps to help troubleshoot the issue:

1. Please use https://www.speedtest.net or the speedtest APP/CLI(https://www.speedtest.net/apps) for testing speed accurately.

2. Please make sure the speed of your ISP/Modem is good by connecting a PC directly into the ISP Modem/Router.

3. To verify wired(Ethernet) speed of your Router, please connect the PC directly into the LAN ports of the Router, make sure all Ethernet cables are CAT5E and above.

4. When testing with wireless, please connect your phone/laptop to the high speed network (5G/6G) instead of 2.4G. In order to reach maximum throughput over wireless, put the phone/Laptop next to the Router.

5. Check the router WAN or LAN specification on TP-Link official website, if they are 100Mbps port, the actual internet speed will not be higher than 100Mbps.

6. Here are some tips which might improve the speed of your Archer Router:

    1) If Ethernet speed is slower than expected, please try different Ethernet cables (CAT5E or above) on the Router.

    2) Disable QoS, please access http://tplinkwifi.net and go to Advanced >> QoS to disable it.

    3) Disable Parental Control, please go to Advanced >> Parental Control to disable it.

    4) If wireless speed is slower than expected, please go to Advanced >> Wireless Settings to change the 5GHz Wi-Fi channel, you may try different channels to find the best one for your environment.

    5) Disable SIP ALG and UPNP, please go to Advanced >> NAT Forwarding >> UPNP to disable UPNP, go to Advance >> Security to disable SIP ALG.

    6) Try a few other speedtest servers, other servers might reach better speeds.

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