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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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Asad Moeen
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1 Answers1

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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.

Tim_Stewart
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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 May 06 '18 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 May 06 '18 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 May 06 '18 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 May 06 '18 at 20:26
  • okay I’ll give it a shot like you said and post the update. – Asad Moeen May 06 '18 at 20:27
  • Don't forget, it's always a good idea to save > apply > reboot after changes to qos. Some models will not apply the new setting until it's soft rebooted – Tim_Stewart May 06 '18 at 20:34
  • Let me know how it works out. – Tim_Stewart May 06 '18 at 20:43
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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 May 07 '18 at 14:06