New problem solver
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11 Messages
MDD timeouts, download speeds under 1mbps, upload speed higher than download
My connection has been rock solid at roughly 150mbps down and 20mbps up until this week. Since October 2, my download speed will randomly drop down to under 1mbps for hours at a time-- up to 18 hours. My upload speed will drop to 5 or 10 mbps, but it's consistently higher than my download speeds during these periods. I've had two tech visits that haven't really resulting in fixing anything, but I don't fault them at all. They haven't found any issues with my modem or wiring, and of course they're showing up to diagnose during periods where my speeds are normal. The second tech mentioned a failed CTMS(?) server upgrade on 10/02 but that it had been rectified. The event log of my MB8600 has tons of MDD message timeout entries, as well as T3 timeouts.
I'm at the point of pulling my hair out because when I call the 800 support number, the phone tech will tell me that everything looks good from their end, but that doesn't change the fact that my download speeds are still below dialup speeds and there's no way to predict if I'm be at turtle speed when the onsite tech arrives.
Any advice?
Accepted Solution
jnathanroberts
New problem solver
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11 Messages
6 years ago
For anyone following, my issues have been solved. Since the 10th, my connection has been consistently stable and I'm happy. Thank you Comcast_Gabe (and others) for looking into this.
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CC-Michelle1
New Member
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163 Messages
6 years ago
I am happy to look further into the speed issues. Can you please provide the name, address and phone number on the account through private message?
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jnathanroberts
New problem solver
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11 Messages
6 years ago
I don't have the option to send a private message to Comcast_Michelle1 and that user's profile says she hasn't logged on since 03/30/18. Something seems strange about that.
All the same, I'm attaching a screenshot from the speed tests I've done from 09/17 to today. There's clearly something happening since around 10/02 pretty consistently. We have dropouts about every 12 hours for roughly 2 hours on a good day and then up to 18 hours on a bad day.
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jnathanroberts
New problem solver
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11 Messages
6 years ago
Here is Septemer 30 to October 7 specifically where you can see the download speed drops every 12-ish hours. Upload speeds are consistent, though lower than the expected 20mbps advertised speeds.
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Yong
Visitor
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4 Messages
6 years ago
For some strange reason, you can private message that person at random times but most times you cannot private message them. They are active on these forums though as they were able to get my scheduled appointment via PM.
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user_Phil
Advocate
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1.1K Messages
6 years ago
Hi jnathanroberts and thanks for reaching out on your internet speeds.
I would like to assist and review your signal levels for any issues. I'll need to confirm your account information. Please private message me your first and last name, the name of your business, the full address of your business location and the phone number associated with your business account. If you are also having an issue private messaging me as well, let me know here.
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jnathanroberts
New problem solver
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11 Messages
6 years ago
Sent PMs to the various rep accounts that have messaged me. Here's the last 24 hours of downgraded service.
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