9 Messages
Theres a firmware issue on this modem or something beyond, fix it comcast asap!
So after new line to my house (not buried yet) three tech visits, 3 new modems, issues still persist, massive jitter spikes in download in the 150-300ms range, Fast paced FPS Competitive shooter that I play at high tier rank is absolutely unplayable with these latency issues. Over a year i been telling comcast theres an issue outside, ive built 2 new pcs, reformatted them numerous times, removed everything off my network, bought a 5g tmobile modem to keep the house going while i lose my mind troubleshooting everything on my end that i can possible. Even with a router and qos management the spikes dont stop. Channels dissapear and re-appear everytime i refresh the modem status page. the only time the xb8 modem works better (but still latency spikes) is in bridge mode.
Heres the bonding channels in bridged mode and in normal router mode:
Bridge Mode: https://imgur.com/vgHb7fs
Router/Wifi Normal Operation: https://imgur.com/fPTuikC
XfinityEmilyB
Official Employee
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1.7K Messages
26 days ago
@user_bsufu5 Thank you for reaching out about your latency issues and I'm sorry to hear you've been dealing with this for so long. I have a gamer in the house and know how important it is to have a reliable connection for competitive esports. We will stick with you here until we get to the bottom of this together.
Since you've already had a technician out to check on everything, I'd like to dive right in and investigate the network strength. Please send a direct message by clicking the chat icon in the upper right corner of the page, click on the pen and paper icon, then enter “Xfinity Support” in the “To” section. Include your name and address so I can find the account and get started on a resolution.
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EG
Expert
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107.1K Messages
26 days ago
@user_bsufu5 @XfinityEmilyB
Please circle back here and post any possible solutions for the issue here in these open public forums so that all readers here may benefit from the exchange / info. This is in keeping with the spirit for which these public help forums were originally intended. Thank you.
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user_bsufu5
9 Messages
25 days ago
Circling back with high DL latency still. Apparently nobody knows how to fix my internet that costs $120+/month
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user_a56b4b
13 Messages
19 days ago
Have they offered any solutions?
I'm in a similar situation with disconnects, high latency, channels disappearing on the modem, uncorrectable codewords. Got a new outside cable, new modems, three tech visits. Two of the techs blamed my coaxial cables so the modem is now hooked up directly to where the cable comes in from outside. I've seen some improvement but it's only solid (like it was before all these issues started) on ethernet, not wifi, which still has random disconnects and much slower speeds than I've had in the past. I'm also thinking it's a firmware issue.
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