02-09-2016 2:09 PM
Currently on the 18/1.5 Max Plus plan.
For the last year my download speed have been about 21-22 Mbps.
My upload speeds used to be 1.55, then about 1-Oct-15 they dropped to 1.25.
They have dropped again to 0.85 Mbps (sometime in Dec.).
Solved by: Go to Solution.
02-09-2016 2:32 PM
@gerick I'd try speedof.me and see what speed you get. Not a big fan of DSLRepots latest speed test. Haven't had any uploads going on when it started dropping? Something like torrents, automatic cloud updates, etc.
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02-09-2016 4:31 PM
Speedof.me shows upload speed of 970 kbps. Still less than 1 Mbps.
No software running torrents or anything like that. MS One drive does sync when needed, but that doesn't run all the time.
The graph showing upload and download speed for the last year (1-Feb-15 thru 9-Feb-16) are showing daily averages from several servers tested 12 times a day (every 2 hours) (Samknows reporting).
02-09-2016 5:26 PM
Take a look at your line sync rates on your Gateway. Go to http://192.168.1.254/ , look for the Broadband tab, then root around until you find the table with the sync rates, attenuation, SNR and error counts. Take a screenshot (mask your IP and MAC address, if you please, else the moderator may hide your screenshot) and post it in a reply so we can help you interpret.
It may be that your upstream sync rate is falling due to line quality issues.
02-09-2016 8:02 PM
If no issues with download, only upload I would agree time to check sync rates.
This sounds as if a bridge tap problem within 25 feet of gateway affecting the upload frequency.
In the UVrealtime graphs would have been a left hand check with dip in upload.
It is possible may have a port issue but this is not likely outside plant but inside house wiring problem.
All else, call and schedule a tech service call at 1-800-288-2020 for intermittent internet.
02-10-2016 9:31 AM
Sync rate looks fine, but if my thoughts is right about the bridge tap, I've seen those cause issues and not even show in the error counts.
- edited 02-11-2016 3:28 PM
Found the problem and fixed it. I had QOS upload rules turned on my router and that was limiting bandwidth to 1 Mbps. Turned that off and am now getting speeds over 1.8 Mbps again.
06-14-2017 7:52 PM
Well, maybe whatever he did solved a problem for the OP, but the "solution" is kind of vague. What does QoS mean? What kind of router does he have? I'm getting upload of about 40-50 Kbps while my service plan says "up to 35". I think AT&T is throttling.
06-28-2017 10:26 PM
Quality of Service (QoS) is an advanced feature that prioritizes internet traffic for applications, online gaming, Ethernet LAN ports, or specified MAC addresses to minimize the impact of busy bandwidth. It would be a feature of whatever router that you are using. The OP has an user provided Netgear router behind the ATT router.