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Forum Discussion
R6700v2 Buffer bloat How can we fix this ? Can we get SQM or QOS that works like it ?
I get a lot of buffering problems sometimes with this router as it builds up buffering bloat . I tested it on www.waveform.com and got this result --- > https://www.waveform.com/tools/bufferbloat?te...
disconnect everything from the modem and reboot it.
Then connect a pc.
Try it that way
I connected the computer directly to the modem and the buffering was the same . The Router is supposed to fix the buffering problem IF QOS worked correctly. QOS on this model only has the option to throttle Upload which i was locking at 10mb up and the speed tests at 12 to 14mb up .There is no option at all for download buffering which is where most of the problem is anyway. I get around 50 to 80 ms extra ping with the download and even more with longer distances . Lots of people changing over to ddwrt ,tomato and openwrt on routers IF they can upgrade the Firmware easily .With the chipset on this it can not be easily changed to Openwrt which they have a replacement for this router's Firmware . If you look at this page you can see that SQM for OpenWrt has more options than the pretty much half thought out QOS that my Netgear router has . [OpenWrt Wiki] SQM (Smart Queue Management)
If Netgear could just add in that option for throttling download speed as well like they have on other models,I think the buffering could be managed . Here's my latest test which shows the download has the worst buffering which went up to over 200ms .
Ping stats --Min: 49 ms
Median: 125.5 ms
Max: 209.1 ms
Mean: 126.6 ms
https://www.waveform.com/tools/bufferbloat?test-id=a2455445-641e-46f0-b395-99de4836d778
If the buffer bloat is originating from your modem/gateway, how do you expect the router to fix it?
that's where the bottleneck is and the router can't "fix" your gateway's buffer bloat issue.
That's why we usually have people check the modem first.
think of it like a water supply. If the city only supplies you with a 1/2 inch diameter incoming connection, it doesn't matter if you're attach a 4 inch diameter hose to it. its still limited by the incoming supply.
Same with your network. If the modem/connection is causing the buffer bloat, the rest of the network is going to be impacted by it.