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Forum Discussion
CM1000v2 modem with slow speeds of 480mbps
I have been using my CM1000v2 Modem for the past six months. My plan with xfinity is 1200 Mbps. I recently gotten in contact with them and they send an electrician over. They fixed an issued on the ou...
Repeat question: Do you have a PC that you can directly connect to the CM1000v2 with an Ethernet cable and test your throughput?
How is your unknown test device connected to your XR1000? Via Wi-Fi or via Ethernet cable.
How are you testing your throughput on your unknown test device? Are you using an application? A web browser and some testing address?
Repeat question: Do you have a PC that you can directly connect to the CM1000v2 with an Ethernet cable and test your throughput?
I do!
How is your unknown test device connected to your XR1000? Via Wi-Fi or via Ethernet cable.
Usually I do test with the Nighthawk app.
3 weeks ago, I noticed the difference in speed because I play intense games. So my latency was high 100 when I usually get 10-14 ping. So this happen out of nowhere.
The last log on the app was at 890 Mbps Upload was 42 MBPS and ping was 13 June 2,2023
Now is at 574.50 Mbps Upload 41.93 Mbps Ping
52.0. Let me remind that I have 1.2 gbps for internet.
How are you testing your throughput on your unknown test device? Are you using an application? A web browser and some testing address?
Nighthawk app hasn’t failed me with testing speed. This is the first time I have troubles with my speed since I usually have been running at 800 and had no issues for the past 7 months.
I do!
How is your unknown test device connected to your XR1000? Via Wi-Fi or via Ethernet cable.
Usually I do test with the Nighthawk app.
3 weeks ago, I noticed the difference in speed because I play intense games. So my latency was high 100 when I usually get 10-14 ping. So this happen out of nowhere.
The last log on the app was at 890 Mbps Upload was 42 MBPS and ping was 13 June 2,2023
Now is at 574.50 Mbps Upload 41.93 Mbps Ping
52.0. Let me remind that I have 1.2 gbps for internet.
How are you testing your throughput on your unknown test device? Are you using an application? A web browser and some testing address?
Nighthawk app hasn’t failed me with testing speed. This is the first time I have troubles with my speed since I usually have been running at 800 and had no issues for the past 7 months.
The Nighthawk application is testing throughput from the internet to your router through your modem. That is a good reference point. Your test values should be 1200+. Xfinity routinely over provisions by 20%.
Are you certain your Ethernet cable between your modem and your router is good? Recommend using a cat 6a for your application.
Xfinity is really fond of pointing fingers at customer owned hardware. The primary goal of Xfinity is to increase their revenue by leasing you one of their modem/gateways.
Recommend you connect a PC direct to your modem as described in my previous post and use the Ookla installable test application.
Additional helpful information would be provided by the cable connection page from your modem. Copy and past just like you did for your modem event log. Xfinity phone support can be erratic at times.
- When I spoke to the technician yesterday. He said everything is fun in the inside, but the outside he change the cables since they were old. He did made a difference in the upload speed, but not the download speed.
So when I msg support because you just can’t call them for whatever reason it takes an hour to get a hold to a physical person. The lady quickly told me to do the reset and do the troubleshoot. Then after all of that she was it may be your device that is malfunctioning you need to get a hold to NETGEAR to send you a replace one. I am like what!!
I strictly told her, speed doesn’t just randomly decreases in less than 3 weeks and it starts shooting up up and downs she was is a hardware problem.
Sorry to bug you what is a cat 6 and which one is the best one in your opinion.
Just to note I just bought a Netgear Nighthawk ax2700 just to test the waters and see if the hardware is actual the problem, but I want to fix the issue with the one I have first before anything. I wouldn’t be surprise is their end.Cat 6a recommendation available from Amazon. https://a.co/d/bJA8TgW
I seriously doubt if the problem is your modem. However, not an impossibility.
Not sure what part of the country you are located, but Xfinity has a major task on its' plate making upgrades to their system as well as keeping the existing system running smoothly. You might get a glimpse of what is going on looking at the logs in your router. Not something to post here without sanitizing out the IP addresses. I live in the Seattle area and Xfinity has been all over the place the past 6 months and I expect it to continue for at least another year.
As a general rule, you do not post your WAN IP addresses or MAC addresses on an open forum. It is a task to edit them out when you copy and paste. If I need to share the data, I copy and paste into a word processing program and then use a global search and replace before saving as a PDF file.