JHuntVols

In case anyone is having a similar issue, then I'm happy to say I found a solution. I got rid of the XR1000 Nighthawk and bought a Ubiquiti gateway / router. I've since had 0 issues with again the only thing changed being the gateway / router. The screenshot of the bufferbloat test below is honestly the worst I've seen it; smart queues is enabled during this test. Thanks.

Fraser, I have a BGW320-500 gateway from AT&T. I have a 1GB Fiber plan. I disabled the DHCP server on my gateway thinking it may be causing IP Address conflicts with the understanding that function was now only to be done by my router. Unfortunately, I lost the ability to connect to either the router or gateway. I had to factory reset both to be able to access the gateway again. I obviously touched nothing on the gateway side, then I let the router set itself up the wizard. It all worked again, so I decided to attempt to redo the settings as it was before disabling the DHCP Server on the gateway. This included bandwith allocation on both the application and device side, setting up QoS with speeds confirmed to by SpeedTest to be in the low 900s on both the upload and download for the relatively simple things. I then went into the advanced settings to manually select "Use this MAC Address" for the Router MAC Address (confirmed to be the router BTW). I changed nothing in the WAN or LAN setup, and I also noticed that "Use Router as DHCP Server" was checked as expected. I went to the gateway and set the device to be in IP Passthrough with the mode being DHCS Fixed and tied to the router's MAC Address. I also disabled all WiFi on the gateway. The last change I made was in the router to the "Internet Connection Type" to be Pass Through before applying it and restarting both the router and gateway. Alas, the screenshot was my result from Bufferbloat. QoS was not enabled for the test to be clear. Any ideas?

Well, I'm just going by what their website says... I get your point but wouldn't dropping it down to 15% account for any margin of error in the connection speed? I'd presume so, and I still have the packet loss problem too.

Here's my pingplotter results BTW. If I'm reading this correctly, then the problem is packet loss on my side, eh?

Are you saying that's what causing my bufferbloat?

They're all around the same now... mid to high 700s on download, then I'll see high 700s to high 800s on upload.

I don't know who to believe honestly... speedtest is telling me no, but the gateway is telling me yes.

I'm starting to wonder if this might be an AT&T problem again. I'm simply not getting full speed (1GB) even with QoS disabled. When it is enabled... the speed is noticeably inconsistent. I did retest with other sliders (15%, 30%, 40%), but I got no improvement regardless of which way I went on the slider. I also did disable traffic prioritization as you suggested. Is it possible AT&T is updating their gateway and changing settings without me noticing?

Well, frustration is growing even more now. I did a system recovery to before the last update, but I'm still having the same issues. This is certainly not "bad reporting" on the part of WaveForm ... it's not coincidental to me that bad scores = bad game feel, while good scores = good game feel. It's a night and day difference to me, and it's again especially annoying when nothing else has changed yet it's simply not working now. Any help is appreciated!

I'm a bit frustrated here folks. I have a Nighthawk XR1000 router, and it has been working perfectly up until tonight when I resumed my gaming. For example, I was returning +0 on every bufferbloat test, and my online gaming felt amazing. Seriously chef's kiss. Lo and behold tonight it has gone to dog doo doo. I'm consistently getting +40 or more despite not changing any settings. I've even read a few threads and thought maybe disabling IPv6 on my AT&T fiber gateway would fix the issue, but it's made no difference. I had an epiphany when I was restarting my equipment though... the only change that has been made was me downloading a windows update. How could that affect my router performance though? Is that a possibility?