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I have a TP-Link WR941ND with DD-WRT firmware. Another ISP provided router dials the PPPoE connection for internet. The DD-WRT router was connected to the ISP router once through LAN in DHCP forwarder mode and another time in Wireless Client Bridge mode as a Range Extender.

In both scenarios, QoS set to Lan/Wlan ports did not work and any of the connected devices were able to use as much bandwidth as needed. However, when I connected the DD-WRT router through its WAN port and use it as a main router that dials the connection, the QoS works fine, when set to WAN port.

Am I doing something wrong or is it only supposed to work through WAN port?

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  • what kind of packet scheduler do you use?
    – MTG
    Commented Apr 12, 2018 at 11:37
  • @MTG I’ve tried both of HTB and HFSC but same results. Only works through the WAN port.
    – Asad Moeen
    Commented Apr 12, 2018 at 12:17
  • Can you take a screenshot of your current qos setup?
    – Tim_Stewart
    Commented Apr 16, 2018 at 0:02
  • @Tim_Stewart screenshots have been attached.
    – Asad Moeen
    Commented May 6, 2018 at 8:53
  • possible duplicate of this question. superuser.com/questions/1292147/…
    – Tim_Stewart
    Commented May 6, 2018 at 20:05

1 Answer 1

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You haven't set the mac addresses at the bottom of the page.

Make sure your total uplink and downlink bandwidth are accurate. You want them about 10% lower than the actual amount you receive under a speed test.

This method of bandwidth control permanently limits the device added. Its a much better choice to use the dynamic features outlined in the link i gave you.

A couple pointers from using dd-wrt since its inception on countless routers.

  1. using virtual access points and repeaters on the same physical radio will significantly reduce the chip-sets lifetime.

  2. don't jack up the TX power past what the factory firmware setting was. its usually about 27-30 Dbm, or the end result will be a significantly reduced router lifetime.

  3. when you have the router in bridge or client bridge mode disable the spi firewall.

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  • I have already set it up once using Mac and another using IP. It works completely fine on WAN port, in either configuration just not LAN & WLAN.
    – Asad Moeen
    Commented May 6, 2018 at 20:16
  • The image of the IP netmask settings is also wrong, you have no netmask set. It would be /24 for a private class c network
    – Tim_Stewart
    Commented May 6, 2018 at 20:23
  • It does work through the lan and wlan. You can check qos at the command prompt, I suggest using the dynamic rules. They are a little more complicated to setup but it's well worth it.
    – Tim_Stewart
    Commented May 6, 2018 at 20:24
  • I’ll replace the image. Another way of limiting it and checking whether QoS works is to set a bandwidth limit in uplink/downlink. I have a 10mbps and I specified 2000kbps there if you notice, but even them it hits 10 easily.
    – Asad Moeen
    Commented May 6, 2018 at 20:26
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    Updating the DD-WRT to the latest beta version and then following your tips made it work. Thank you so much.
    – Asad Moeen
    Commented May 7, 2018 at 14:06

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