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Forum Discussion
walruspete
Dec 13, 2018Guide
CM1150v Availability
Hi,
Does anybody know when the CM1150v cable modem will be available for sale? Thanks.
CPTWingit
Jan 16, 2019Guide
Well, don't know if this has been answered but I just received mine today. Must be pretty fresh becasue I can't find much in the way of feedback out there.
I will say I have Xfinity Gigbit internet service and spent 4 hours going back and forth with different chat agents tonight trying to receive the promised speed. Never could get DOCSIS 3.1 or the proper speed. Xfinity finally gave up and referred me to Netgrear support. BTW, I purchased it from BB and received it quickly. Other sites such as AMZ don't list it as being for sale until the end of January.
Don't get me wrong, I'm sure it will be a fantastic modem, but I'm not off to a good start!
Best of luck.
TedInCall
Jan 29, 2019Tutor
Got mine today, can't get over 580mbps!
Also sucks to find out the firmare is not available for port aggration with the matching nighthawk router
- CPTWingitJan 29, 2019Guide
Sorry, very frustrating indeed. I gave up and bought a Motorola MB8600 as it was one of the 3 approved and compatible modems. Still no luck. At lease I can verify that I"m locked onto DOCSIS 3.1 as the lights are all blue. When running speed tests it will jump up to and over 1GBps but then bounce quickly down to under 500 and stay there. Doesn't seem to matter where it test, wired to modem, from wired router using Orbi's speed test, or wirelessly. All about the same. My money is that it's Comcast somehow. I will say also that I purchased an attenuator to tweak my signal strenght a bit. All of my numbers are well within optimal range now so no idea. The one Netgear guy who was helping abandoned ship on me as well, so there's that then. Good luck to you.
- TedInCallJan 29, 2019Tutor
Unfortunately this is the ONLY gig-speed modem with Voice and comcast/xfinity does not offer or support seperate VoIP adapters and I have xfinity voice for my home phone line.
- JimSaJan 29, 2019Initiate
I gave up waiting... I decided to use a splitter and use my old modem for phone only and a new Arris DOCSYS 3.1 gBit speed. No problems so far.
I did make one interesting discovery in my own testing. When plugged directly to the router I saw dramatic speed differences from one browser to another, even a after clearing all caches etc. Chrome was consistently over 900Mbit. Edge was in 500 Mbit range. I suspect there is more packet sniffing somehwere in the stack for Edge, but that's just a guess. Anyway, YMMV but you might want to try another browser for the speed tests.
- darkangelicJan 29, 2019Aspirant
JimSa wrote:
I gave up waiting... I decided to use a splitter and use my old modem for phone only and a new Arris DOCSYS 3.1 gBit speed. No problems so far.
I was using a dual modem setup with Comcast (ARRIS SB8200 + ARRIS TM722G) before I got the CM1150v. The SB8200 I bought retail on BestBuy, the TM722G I got cheap used on Amazon, around $25. This worked pretty well for me too.
Only reason I have the CM1150V is because I was a beta tester for the product prior to launch.
I did make one interesting discovery in my own testing. When plugged directly to the router I saw dramatic speed differences from one browser to another, even a after clearing all caches etc. Chrome was consistently over 900Mbit. Edge was in 500 Mbit range. I suspect there is more packet sniffing somehwere in the stack for Edge, but that's just a guess. Anyway, YMMV but you might want to try another browser for the speed tests.
Browsers themselves, as well as the machine used for testing, will have some overhead due to operating system, hardware, and other limitations. Ideally, one should use a dedicated app such as the OOKLA Speedtest app, which is available on multiple platforms.