Hoping someone might have experienced this weird issue before and knows of a potential solution. I am currently subscribed Comcast Business service. Normally with no activity (I.E. No downloading) I run at 35mbps down and 11.57 mbps up (http://stage.results.speedtest.comcast.net/result/385101324.png) . As soon as a download over 3mbps is initiated my download and upload drastically drop, 6.42 mbps down and 3.56 mbps up (http://stage.results.speedtest.comcast.net/result/385106264.png) Once the download is completed speeds restore to normal. I have been dealing with this issue for months and finally decided enough was enough and contacted Comcast in November. Since then I have had my modem replaced, multiple techs from Comcast onsite, replaced my layer 3 switch, replaced all cat5 cables and no avail. I know the issue is not in my residence but potentially with the line in the junction box, Comcast keeps promising to send out a line tech but no one ever shows or calls to update. Would appreciate any insight and help on this issue, hate to get to the point of cancelling my service.
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Ditto here.... I have been trying to get my issues resolved since I went on Comcast Business. The only solution offered is to pay more money for higher speeds - and with no guarantee that it will resolve the problem. I had more reliable internet service with my residential plan. Time to take my business elsewhere... I'm sure comcast will be glad to see me go.