New Poster
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4 Messages
Intermittant internet
Two days ago our internet starting disconnecting for a minute, every 10 minutes or so. Not so great during home schooling times!
I called customer service and they were not helpful.
I looked in the event log on my netgear modem/router (an approved one by xfinity) and there are errors that say the below message. I saw a lot of messages on here about that error message but do not understand what people actually did to correct it.
Started Unicast Maintenance Ranging - No Response received - T3 time-out
jl07960
New Poster
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4 Messages
5 years ago
I will get the exact model#, below is a copy and paste of the spot I could find downsream, upstream, and SNR unless there is a specific spot I look for exact numbers?
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jl07960
New Poster
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4 Messages
5 years ago
Netgear AC1600 wi-fi cable modem router model C6250
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EG
Expert
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111.7K Messages
5 years ago
What do the modem's signal stats look like ? Try getting them here http://192.168.100.1
Please post the *Downstream Power Level*, the *Upstream Power Level*, and the *SNR* (Signal to Noise Ratio) numbers.
What is the exact make and model number of the modem ?
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EG
Expert
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111.7K Messages
5 years ago
The signals are terrible !
In a self troubleshooting effort to try to obtain better connectivity / more wiggle room, check to see if there are there any excess/unneeded coax cable splitters in the line leading to the modem that can be eliminated/re-configured. Any splitters that remain should be high quality and cable rated for 5-1002 MHz, bi-directional, and no gold colored garbage types like GE, RadioShack, RCA, Philips, Leviton, Magnavox, and Rocketfish from big box stores like Home Depot, Lowes, Target, Wal-Mart etc. Splitters should be swapped with known to be good / new ones to test
If there aren't any unneeded splitters that can be eliminated and if your coax wiring setup can't be reconfigured so that there is a single two way splitter connected directly off of the drop from the street/pole with one port feeding the modem and the other port feeding the rest of the house/equipment with additional splits as needed, and you've checked all the wiring and fittings for integrity and tightness and refresh them by taking them apart then check for and clean off any corrosion / oxidation on the center wire and put them back together again, then perhaps it's best to book a tech visit to investigate and correct.
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EG
Expert
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111.7K Messages
5 years ago
Much better but the downstream is still on the weak side, and it may be intermittently fluctuating even lower out of spec. I like to see more wiggle room there. It may be best to book a tech visit for this one.
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jl07960
New Poster
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4 Messages
5 years ago
I went through my entire line run from outside, got rid of uneeded splitters from past homeowners here, got to the below signals with that downstream ot -5ish but it still craps out intermittantly with the error now "MDD message timeout;CM-MAC=a0:40:a0:31:be:18;CMTS-MAC=00:01:5c:82:96:47;CM-QOS=1.1;CM-VER=3.0;"
Here is the cable connection status:
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