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High Jitter and Latency Spikes from Gateway
Over the last couple of months I have noticed my internet has very noticeable spikes in latency, even though my router is getting 100% of my gigabit plan speed. It's noticeable the most when playing any online game or video calling. I ran a Speedtest today and the download and upload speeds are norm
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Your Home Network
I had this issue recently - the Speedtest results typically good but slowness switching web site to website occasionally- better when Comcast resets the line, goes bad in a few hoursAfter hours of run-arounds , blaming my Netgear modem or my internal
Intermittent connection issues with Xfinity
I have been facing a lot of intermittent internet connection drop issues with Xfinity recently. For me, the connection becomes completely unreliable from 11am to late evening(6pm approx). I have tried multiple modems which includes trying Comcast Modem as well. I have had multiple visits from variou
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Upload speeds are approximately half of the provisioned speed
I recently moved and brought my comcast XB8 modem with me. It is hooked up in the same configuration: bridge mode -> my eero system. I have the same "Gigabit Extra" plan and my downloads are fine ~940Mbps. My uploads at the new house are 15-20Mbps. At my old house I would consistently pull 40-42Mbps
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Your Home Network
Intermittent Internet
My internet has been having issues since at least yesterday. Yesterday every couple of minutes it would lag out, ping would go crazy and upload would go to nothing. Couldn't even open a speedtest page reliably, and then recover for a couple of minutes before starting over again. Today its happening
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Your Home Network
Before I managed to call, an Xfinity representative called me to follow up on my feedback. The representative significantly improved my opinion of Xfinity. The representative scheduled a Tech to look at my connection. The Tech wound up doing what @No
Maybe rain slows my internet connection
Last week, I realized that it seems to be every time it rains, my internet connection slows drastically. This last rain is an example. The Ookla speed test showed: 2.28 Mbps down and 21.40 up. So in the rain, I was getting 2.28 instead of the 600 Mbps that my plan is supposed to give me. The days be
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Connectivity issues nightly/high packet loss and jitter
For most of the day I'm getting fantastic speeds and no problems at all, but for the past three weeks between the hours of 8-10PM I'm having serious internet connectivity issues nearly every night. When I use the internet speedtest tool from Cloudflare I can see absurd (25%+) packet loss and signal
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Your Home Network
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Gigabit Internet Plan: Slow DL Speed After Service Outage
I have had the Gigabit Internet plan for several years which has been very reliable and always averaged about 800mbps download. After a brief service outage on night of 4/4/24 near the downtown Miami, FL area, download speeds max out at only 220mbps as per speedtest.net using Comcast servers. Much w
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Your Home Network
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Latency Issues During Load (especially Uploading)
Owned modem: CM1000v2 Plan: 1,200 / 40 I've tried every possible combination. The following result is with me directly connect to modem straight from point of entry removing any splits between.... I get high latency issues the second my modem is put under any kind of load. I even have a hard time pl
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Your Home Network
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Internet keeps disconnecting on large file download
For the past few days I've been trying to download a large package of files -- a game -- Call of duty modern warfare warzone in particular -- which is around 100 GB. It works fine for a little bit as I let it run, (for a couple minutes), then the speed of the download gradually gets slower until it
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Your Home Network
Accepted Solution
One last update if anyone is following this thread. The Ubiquiti router was a success. I recommend it to anyone as a solution for use with Comcast gigabit service. I also discovered that, while the Comcast speed test run in a browser consistently get
Only getting 400mbps on gigabit plan
Back at the end of March I changed to the gigabit plan mostly to get the upload speeds for posting video files for our church services. I installed my own Netgear CM1100 bought from Costco. The upload speeds were fine and what I needed, about 42mbps, but from day 1 of the gigabit service, the downlo
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Extreme slow speed for for servers in certian states (east and west coasts)
I have a very similar issue like from this post. https://forums.xfinity.com/conversations/your-home-network/certain-websites-and-apps-loading-content-super-slow/678622f182448c7bf166a3b2 Since a few days ago, I've noticed some websites or services are much slower or even unusable. For example, I coul
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Your Home Network
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only getting half the speed i am paying for
For the past few months i have been experiencing slow internet speeds that are only around half the advertised speed that I am paying for. I have the Gigabit internet only plan but only ever get ~500gbps or even less. I have spent hours chatting with agents trying to get my problem resolved but all
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Your Home Network
Not Getting Full Upload Speed
I'm not sure what to do, I just signed up with Xfinity for the 1GB plan after entering my home address - I really was thrilled to see they had a plan that fit my needs really well. However, now that I've had it for a few days, I'm seeing issue, and experiencing disapointment. This is the speedtest I
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Your Home Network
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I'm beyond frustrated with the worthless virtual assistant. I'm looking into other wifi providers. I can't live with the VA and no humans.
YOUR VIRTUAL "ASSISTANT" (I use that term VERY loosely)is the exact OPPOSITE of helpful. I'm almost in tears. I wish I could copy the foot and a half long chat so I could prove how unhelpful it is. How FRUSTRATING it is. HOW MADDENING it is. How much it makes me WISH I had any other service besides
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Billing
I've restarted the cable modem. An initial speedtest from the machine directly plugged into the modem shows no real change. It was 160 Mbps. Looking at the downstream channels it looks somewhat better. The power is between 2 and 6 and only one chann
1 GB plan very slow
I upgraded to the 1 GB plan a while ago but I've never gotten above 300 BG download. The average for the past seven days is just under 97 GBs (as tested with speedtest-cli every 15 minutes). The tests are run over ethernet, not wireless. It's wires all the way. When I run the test from the gateway i
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@PAJoeS, is that over WiFi?? If it is, then that’s still pretty decent speeds. But not so good if that’s over Ethernet, did you already try a hard reset?For anyone reading this, you can easily hard reset this modem by using a paper clip, use it to pu
Re: cable modem t25
Looks like they finally updated the firmware on the T25 Arris modem.... I haven't had any disconnects recently but I'm also not going to celeberate just yet since it seems to happen about every 11 days and I'm not sure when this firmware version was pushed. Last time I checked my modems settings/fir
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why are my internet speeds lower
I got an e-mail from Xfinity that they increased my internet speed for free. I have 1Gb service on an internal 10Gb network. Xfinity over provisions so I have been getting 1.2Gb down and 20Mb up consistently for some time. I did a Speedtest and my speeds increased to 1.3Gb down and 40Mb up. I checke
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Your Home Network
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Internet Issues
I'm having the same issues as the post noted below: https://forums.xfinity.com/conversations/customer-service/maintenance-crew-wont-fix-the-main-line-to-my-neighborhood/66a9710359bf556396a16384 I have had 3 technicians come to my house. Great techs who have tried hard, but my issues have yet to be r
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Your Home Network
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Intermittent Wi-Fi speeds - dramatic slowdowns
My Wi-Fi connection speeds vary throughout the day from over 800Mps to less than 2Mbps on devices that are stationary throughout the house. All Wi-Fi connections register as "Strong" on the app even though the speedtest results are VERY weak. The Wi-Fi bandwidth just disappears. The Xfinity network
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Your Home Network
I'm not having any operational problems that I can detect. I just did a speedtest and I got 913 Mbps down, 23.4 Mbps up. I've attached a picture of the splitter above. The cable from the wall is about 2 feet. The black cable goes to the X1 box
Barmar
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2 years ago
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Downstream light blinking, but gateway status page says "looks fine"
I have a NetGear Nighthawk CAX80 gateway. The downstream light has been blinking for several days, which the manual says means " The modem router is scanning for a downstream channel." I have a splitter between the cable box and the modem. It was supplied by Comcast in a tech visit shortly after I s
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