Visitor
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4 Messages
Terrible latency spikes every night and randomly throughout day.
Internet has always been questionable in this house that we bought in 2021.
I mainly play League of Legends which is not a taxing game but over the last few months it's gotten so bad that every other night the latency will spike up to 600ms+ and as high as 1600ms which is obviously unplayable. This has been happening almost every night for the last few months and has become a joke between my wife and I. "Oh it's 9pm now the internet is gonna go down for 20 mins - hour."
Sometimes I have to hotspot my phone to finish the game and even my 1 bar of lte can get me 70ms of ping, enough to finish out the game. Typical ping in LoL is 68ms MAX, usually resting around 65ms average.
I play using ethernet and am sitting right next to the modem and router. Lately, around 9PM it sporadically jumps between 65-100 ms and then eventually just goes haywire into the hundreds of ms making the game unplayable. During this time the internet becomes unusable and webpages won't load, videos wont play etc. It affects the entire household.
I noticed a couple of months ago that my CM2500 modem had tons of T3 timeouts and tens of thousands of uncorrectables so it thought it would be a good idea to replace the modem in case that was the issue. However the problem of nightly and random daytime latency spikes remained. I then replaced the router with a new one. Still the same issue.
Things I have done to troubleshoot:
Replace the Modem (Netgear CM2500) with Netgear CM3000
Replace Router with Netgear RS300
Brand new Cat6 Ethernet cables.
Bought 100ft RJ6 to wire modem directly into the line coming into the demarc.
Installed new Moca Filter at line since the original once looked really bad and was rusting.
Even with all of these in place I still get random bouts of latency spikes and I've noticed growing uncorrectables in my new modem's log, even after going back to using the coax in the house. I'm convinced theres ingress happening somewhere between the "drop" and the house or maybe even a bigger issue with a "node".
After dropping $800 in new equipment I can pretty safely say that the problem is not on my end. I just want to be able to use the internet service I am paying almost $100 for. Any help is appreciated, and I would like to request a tech visit if possible as I think there are some severe issues in our area.
user_8o0kzo
Visitor
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1 Message
2 days ago
I have been having this EXACT same issue for the past couple months now. This is the first post im seeing describe the issue exactly to a T. Ive done just about everything you have in terms of troubleshooting (barring the filter and 100ft wire) I was told the cause was 'loose fittings". Had a tech come out and test the signal. They said they had to sit there and test for a good while before they were able to see what ive been talking about. The guy seemed pretty confident it has something to do with the fittings and said that he'd push the issue up to a tech capable of doing the change and to expect results in about a weeks time. Its been 2 and the issue persists. I have a laundry list of requests that im going to run by support tomorrow in hopes that one of these will be the answer. Im not really well versed in networking and networking issues so please excuse any incorrect terminology.
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user_bq8p6d
Visitor
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4 Messages
1 day ago
Tonight again, latency spikes as high as 800ms when it is normally ~65ms. Some games it will be fine then others the latency is rapidly fluctuating between 65-100ms. I notice the latency increases when more players are on the screen so teamfights are unplayable.
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XfinityDemitrius
Official Employee
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2.4K Messages
2 hours ago
Hey @user_bq8p6d, Thank you for visiting our official Xfinity Forums Community support page. I greatly appreciate you leaving a details understanding of what is taking place and the troubleshooting steps you have already taken. I would like to take a deeper look to see what may be possibly taking place and troubleshoot further.
Please send a direct message by clicking the chat icon in the upper right corner of the page, clicking on the pen and paper icon, and then entering “Xfinity Support” in the “To” section. Please include your full first/last name and complete service address (Including the city, state, and zip code), and I'll be happy to help.
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