Visitor
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4 Messages
Chronic intermittent signal issue. Requesting Line Maintenance
Hey there,
I’ve been lost for hours with chat going nowhere and having my modem’s MAC address re provisioned for the second time in a month just to get back up and running is frustrating. A technician is scheduled for Sunday, but I think I need someone else! I’m reaching out because I’ve been dealing with a persistent connection issue that’s definitely on the street side, and I’m hoping to get a Network/Line Tech to check the local node.
I’m running a Netgear CAX80 (Broadcom chipset), and while the hardware is healthy, the signal coming in is trashed. Earlier today at 2:57 PM, I was getting a perfect 322 Mbps with an 11ms ping. But minutes later, the whole thing fell apart again.
The proof it's the line:
• Sync Loops: My logs are full of Code 16 (Loss of Sync) followed by Code 24 (Recovery) over and over.
• Packet Destruction: I’m seeing 29,346 Uncorrectable Codewords on the OFDM channel right now.
• Walled Garden: These signal drops are so bad they’re breaking the authentication, giving me 'Your connection isn't private' errors and certificate warnings.
• Network Chaos: It’s hitting every device in the house. My Apple Watch has been flooding the logs with DHCP requests just trying to stay connected while the line flaps.
My modem is pulling a solid 41.5 dB SNR, so the hardware is doing its job; it just can't handle the 'dirty gas' coming from the street.
I’ve already checked my internal wiring. Can you please skip the standard home visit and just have a Line Maintenance crew look for noise leaks at the tap or neighborhood node? I don't want to waste anyone's time with a home tech for a line failure.
Thanks for the help.



XfinityShawn
Official Employee
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2.1K Messages
2 days ago
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user_4lbbcn
Visitor
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4 Messages
1 day ago
The good news is that I’m holding steady at 30k of uncorrectable codewords (same as last night after the reset, but my modem had to 'fix' over 1.7 billion packets just to stay online. Unless the normal operation of Xfinity is to have your setup repair almost half of my total traffic? Even though my signal levels look 'green' on your end, this error rate suggests the street line is physically failing. I need a tech to find the noise at the tap or node, because the hardware is clearly struggling to keep up.
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