![]() I learned the need for limiting upstream traffic when my daughter would come home and her phone would start uploading her photos, videos, etc. Use Speedtest ® on all your devices with our free native apps. Depending on the input parameters, the output can include the DNS lookup results, a list of IP interfaces, IPsec rules, route/source address selection results, and/or confirmation of. It supports ping test, TCP test, route tracing, and route selection diagnostics. MRTG calls it every 5 minutes, but a 5 minute window may be too large for you to detect such an issue. The Test-NetConnection cmdlet displays diagnostic information for a connection. ![]() Switch off or unplug your router for 1 minute, then power it back on again. ![]() These issues can be caused by hardware failures, network congestion, or other factors. Check if you have an outage in your local area via our Zen Broadband Status and Service Alerts pages. I have a PowerShell script that I use with MRTG to poll the counters on an NVG 589. Intermittent Internet connectivity: Intermittent Internet connectivity issues can cause disruptions in internet access, such as dropped connections or intermittent outages. Apart from refresh rate and FPS, TestUFO also has other tools that can test various parameters of your monitor. While you can see some results during the sync, you must wait for it to show a green Ready sign to get accurate results. You can use something to sample and record your upstream traffic counters from your Gateway to see if you have significant upstream during the period. If you have an intermittent internet connection, the site will warn you about it. Make sure the Ethernet cable is securely plugged into the Ethernet port on both your router and Windows 11 PC. You can provide your own by using your own router that provides it between your network and the AT&T Gateway. Try these things first to help you fix or narrow down the connection problem. The AT&T Gateways do not any meaningful QoS traffic queuing. The hard part about intermittent issues is determining where it is intermittent - you need the where before you can determine the why. Note that DNS uses UDP, which is a connection-less protocol with no retry. from progressing in a timely manner (due to delayed acknowledgements). Your first test should always be with a single computer directly connected to the modem and then ping your primary DNS for about an hour. Which simply means that your upstream channel is too congested, and is not allowing traffic to exit your router in a timely fashion, which can also keep downloads, etc. Your graphs are consistent with flooded upstream. ![]()
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