Netgear cm2000 problems

2022-01-22 05:59 AM. A couple things to check. 1. while hardwired into your modem, check if you're actually connecting at 1gig speeds. I've seen sketchy cables/port cause it to connect at fast ethernet speeds (10/100). This happens more than we'd like to see. so try different cables and try a different pc/laptop (or even port on it) 2.

Netgear cm2000 problems. Sadly that means nothing to them, as far as they told me. The compatible and recommended list are completely different things. Until they add it to the recommended list, they wont support it by pushing firmware updates. Netgear seems to get the short end of the stick when it comes to modems I have ...

The NETGEAR Nighthawk multi-gig cable modem CM2000 is one of the best modems that supports internet speeds of up to 2.5 Gbps. It is compatible with most internet service providers in the united states including Xfinity by Comcast, Cox, and Spectrum. This modem is housed with a multi-gig Ethernet port for the fastest, multi-gig internet connections.

After being a "squeaky wheel" for several days, Netgear reached out to remedy the problem by sending me a new CM2000. Unlike the last, this one has become inoperable. Further, the modem has complemented the Netgear Orbi well and produces significantly better speeds than we were getting with the Spectrum Modem-Router Combo.Issues With CM2000. So I have a JRCM2000. I am trying to Port Forward for Minecraft for some friends at work. Everytime I attempt to save/apply settings for the local IP/Ports, it just says apply but doesn't save the changes. I have gone down this massive rabbit hole, trying to update the firmware of everything attached to my network, which it ...Netgear Nighthawk CM2000 is $199.99 more expensive than an average modem ($99). High-rated Modems in a similar price range. Go to best-rated Modems. 📶 So Motorola MB8611, while being a cheaper option, tends to get more favorable ⭐ reviews than the $299 Netgear Nighthawk CM2000, as seen on the chart below.I have set up my mesh extender fine but it seems to have triggered WiFi problems and we now have interruptions to WiFi that we didn't have before. ... NETGEAR Connection; NETGEAR Website; Support; Downloads; MyNETGEAR; Downloads; MyNETGEAR; Community; Support; Netgear; ... CM2000-> RBKE963B-> Trendnet TEG-S380-> GS716T-> pi-hole also in AP ...Hook up directly then reboot the modem and computer (or just release and renew the ip) and wait for the internet to work. Once working do a speed test using Comcast's local server for your city. If it is still in the 800s then you have a Comcast problem. If it tests at 1200 then your speed is correct and the slowdown is in your network.CM1000 Connectivity Issues - Dynamic Range Window Violation. 2018-09-30 07:57 PM. My internet keeps dropping periodically for a few seconds at at time. My log shows a "Dynamic Range Window Violation" happening every three minutes, roughly. This is very annoying, and I haven't been able to track down a solution online.

CM2000 stop working all of a sudden. bheg. Follower. 2023-01-23 07:49 PM. Hello All, I been troubleshooting my network the last 4 hours and narrow it down to the my modem (CM2000). I bought it in 2021 and looks like the one year warranty expire already, go figure...So all the light comes up but it doesn't do anything else. I know it's the modem ...Tried phone support. Wow... After reading the serial number 4 times, the tech told me to unplug the modem from my PC and then plug it into theEasy setup and use with the Nighthawk App. With the Nighthawk App, setup takes just minutes, so you can start enjoying better WiFi sooner. You can also see your connected devices, run an internet speed test, manage your NETGEAR service subscriptions, and more from the palm of your hand. NIGHTHAWK APP.The Nighthawk app allows you to conveniently access all the various features of your router. For example, if you have a Nighthawk RS700S WiFi 7 Router, you can fully control it, including completely pausing your Wi-Fi and running system updates.The Nighthawk app provides access to set up and monitor smart parental control features for each device.§3 TERMS AND DEFINITIONS - Page 20 Dynamic Range Window (DRW) A 12 dB range defining the maximum power difference between multiple transmitters in aNo idea what your other modem is but it could be a couple things. 1. the other once could be a docsis 3.0 device and the issue is on the 3.1 channels 2. it could be the other modem is starting at a difference frequency and the issues are only on a small section of frequencies. That does happenThis is for Xfinity mid split. Getting it to work with iHAT is probably what failed them from getting the modem approved. That or they never went for getting it approved. I know that Netgear never replies to anyone here, but it would be nice to get an official statement on the CM2000. Which is bad for those who bought these modems like me ...

Starting yesterday, my CM2000 modem starting dropping signal randomly. The downstream light on the modem will start to blink, and my internet will lag or lose connection. My ISP …When I check the modem's diagnostics, I see that the "downstream power level" is bad. Specifically: - Downstream Status: Bad. - Downstream Power Level: Bad. - Downstream power is poor (17.2dBmV). The recommended level is between -10dBmV to 10dBmV. I also get these errors in the event log: Mon Nov 21 16:34:51 2022.wrote: Doesn't look like you have any channels locked after channel 16 on the downstream? I'd have your isp check the line. Like says, check the line for kinks, damage, poor/cheap connectors, loose connectors, extended runs. Preferably, directly connect the coax from where it enters the home to t...Every home has them – minor problems that create major headaches. This week we help condo owner Mary Leavins correct some annoying little issues in her home. Expert Advice On Impro...Jan 13, 2020 · Updates will always come from the ISP!!! For this problem however, the chip set Mfr, i.e. Broadcom has to make the change. Then they will pass it to the cable modem Mfrs for integration. Then the process starts again with the cable modem Mfrs passing to the ISPs for testing and certifiation. Also Some ISPs don't or won't update user owned Modems. Please take a screen snip of your cable connections page and your logs. get all the info off the connections page as this shows the upstream/downstream connection to your isp. Current setup: CM2000-> RBKE963B-> Trendnet TEG-S380-> GS716T-> pi-hole. also in AP setup: RAXE500->EAX80.

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Yes. ATT tends to give people combo units which makes the network run a double nat without some changes to either the att router or the netgear router. 2020-05-29 08:30 AM. Currently I don’t have a router, just a modem. I’m getting about 40-50 mbps download speed, which is the fastest speed available for my area.For the fastest Internet, connect to a NETGEAR WiFi 6 router or Orbi Mesh system. MULTI-GIG ETHERNET 1 x 2.5Gbps Ethernet port for the fastest, true multi-gig Internet connections.Netgear Nighthawk CM2000 Speed Problem. I've had an ongoing performance problem with my Nighthawk CM2000 for months now. I've worked with the online (chat) support multiple times and gotten nowhere. At one point, they seemed to acknowledge an issue on their side and gave me a credit but I don't know the full reason …The Netgear Nighthawk CM2000 is a router that comes with a quick start guide to help users set it up easily. It has a weight of 482 grams and dimensions of 172 millimeters in depth, 208 millimeters in height, and 94 millimeters in width. This router features one Ethernet LAN (RJ-45) port for wired connections.Hearing problems can be temporary or permanent. About 2 or 3 out of every 1,000 children in the U.S. are born deaf or hard-of-hearing. Most children hear and listen from the moment...So Comcast recently revamped their my device info page and they said that the CM2000 as of now is not recommended for their network, neither is it × We are aware of an issue affecting Nighthawk CAX30 Cable Modem Routers that may have resulted in an interruption of internet service.

Similar to the case of the Netgear CM2000, the SURFboard S33 is probably not a great choice for those having a sub-Gigabit internet connection. ... Problems and Comments: - xFINITY app worked, but once I had it on their network, I rebooted the cable modem and my main router (ASUS RT-AX88U). ...I'm having issues with Comcast/Xfinity and T3 timeouts, and would like to show them a day of logs to illustrate how many times my internet goes out. However, the event logs on my CM2000 only holds 40 entries, which covers about 5-10 minutes. Is there anyway to increase the storage, or send logs via ...2022-01-28 12:23 PM. It is. Current setup: CM2000-> RBE973S-> Trendnet TEG-S380-> GS716T-> pi-hole. also in AP setup: RAXE500->EAX80. 1.4gig download/100mbps upload from Xfinity. We're members of the public helping out on our own time. View solution in original post. Message 2 of 2.wrote: I had one of their xb8 gateways and still had the same problems. I'm convinced it's back up the line at the CMTS, whereever it is. Nobody wants to actually go there and have a look, though, from what I'm getting. If their XB8 and the CM2000 have the same issue, it reduces the odds of it be... What going on guys so let's just get straight into it!1.Replace coax cable outside and in (if needed)2.Replace ethernet cable to cat 8 cable -patch for bette... Solid green or white. The cable modem is online. Blinking green or white. The cable modem is synchronizing with the cable provider's cable modem termination system (CMTS). Off. The cable modem is offline. LAN 1, 2, 3, and 4 (some models) Green. A powered-on device is connected to the LAN port at 1000 Mbps.Find support and knowledgebase documentation for your NETGEAR product. Get quick links to NETGEAR Drivers, Warranty Info, and Security Info. ... CM2000 — Nighthawk 2.5Gbps Internet Speed Cable Modem / CM2000 CM2050V — Nighthawk 2.5Gbps Internet Speed Cable Modem / CM2050V CM212 - Broadband Cable Modem / CM212 ...When users cannot connect to 192.168.1.1, it usually means that the default address of the router has been changed or that the connection to the Internet has been lost. The address...Problems for new businesses range from marketing mistakes to financial miscalculation. Read our list of the 10 most common problems for new businesses. Advertisement Every busy dow...New Netgear CM2000 modem runs at 50% the speed of old Netgear CM1000 modem. Got a notice that my CM1000 modem was no longer supported so upgraded yesterday to CM2000. ... SOLVED: I had the same problem when I upgraded to CM2000. The issue is with your old router, it's too slow. I was running an ASUS RT-AC68U and getting speeds of 400- 500 Mbps.

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I recently switched out an older Netgear CM600 Cable Modem for a CM2000 model. My Xfinity plan gets me 1G speed, which the old modem did not do (only up to 400). A Netgear R6300 wireless router is connected to the modem. When I connect my desktop directly to the modem via ethernet, I get full 1G speeds.Starting yesterday, my CM2000 modem starting dropping signal randomly. The downstream light on the modem will start to blink, and my internet will lag or lose connection. My ISP is Xfinity. I contacted them twice yesterday, each time there were no service interruptions on their end and they refreshed my modem.So I'm wondering if there would be any issues running the above wi-fi router with a Netgear CM2000 cable modem. The other option I have been looking at is the Arris S33 but the heat issues I see mentioned so often are very worrying. The CM2000 would be my first choice if there is no compatibility issues. Thank you.If the cable length is not very long, the drop could be the problem, or maybe there's an issue at the tap where the cable connects, or beyond that. You do have an excessive amount of timeouts and your SNR fluctuates more than it should. Ideally, the snr should be near 40 dB across all frequencies.Mar 25, 2022 · CM2000 Dropping Connection. Keener22. Tutor. 2022-03-24 06:37 PM. Looking for some help on my CM2000 modem. I've seen a few threads on this issue but nothing listed in them has solved anything. For around two weeks my modem has constantly dropped downstream connection off and on. I have contacted my ISP, Xfinity, multiple times on the issue. Even when it says it's off. To fix this problem I downloaded the latest firmware, held the reset button for 10 seconds to allow the router to come back to factory specs. Set the router up again. turned ON QOS upload in settings > advanced > QoS setup. Then turned them off.Anti-buffer bloat is designed to remedy this problem by reserving a percentage of your overall Internet bandwidth for interactive applications like VoIP and online gaming. This allows you to prioritize bandwidth for things like gaming traffic while preventing other apps like from stealing that bandwidth. For more information about Nighthawk Pro ...I had one of their xb8 gateways and still had the same problems. I'm convinced it's back up the line at the CMTS, whereever it is. Nobody wants to actually go there and have a look, though, from what I'm getting.2023-02-08 03:39 PM. Models: AX5400 WiFi Gaming Router (XR1000) v. 1.0.0.64_1.0.49 & DOCSIS 3.1 Cable Modem (CM2000) I have been suffering from a weird issue with latency which has shown sporadic packet loss of 100% multiple times a day, causing complete disconnects on both wired and wireless from anything from calls to streaming devices ...

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Anti-buffer bloat is designed to remedy this problem by reserving a percentage of your overall Internet bandwidth for interactive applications like VoIP and online gaming. This allows you to prioritize bandwidth for things like gaming traffic while preventing other apps like from stealing that bandwidth. For more information about Nighthawk Pro ...NETGEAR is aware of an Internet connectivity issue affecting some older cable products manufactured 5 or more years ago. This connectivity issue was not present prior to November 2023 and should not affect your device if you use Xfinity, Cox, or Spectrum as your cable Internet service provider (ISP). However, if you use one of the products listed on the following table and it suddenly stopped ...And some ISP’s charge if the wiring issue is in the home. So this helps prevent this. Current setup: CM2000-> RBKE963B-> Trendnet TEG-S380-> GS716T-> pi-hole× NETGEAR would like to hear from you about specific features so we can improve your experience. ... I replaced cm600 with cox rental and I had problems activating modem with cox. They tell me it now looks good on their end even tho I don't have internet connection. ... CM2000-> RBKE963B-> Trendnet TEG-S380-> GS716T-> pi-hole also in AP ...Netgear CM2000. B. Based on 66 review s. The Looria Grade (A - F) accounts for multiple factors, including sentiment, helpfulness, and more. Learn about our sources and ranking. Great for saving money. Easy to install. Fast speeds. Does not require a router.NETGEAR Support | NETGEARWORKS WITH ANY WIFI ROUTER, BEST WITH WIFI 6. Connect any WiFi router to this modem's Ethernet port to support all your wireless devices. For the fastest Internet, connect to a NETGEAR WiFi 6 router or Orbi Mesh system. MULTI-GIG ETHERNET. 1 x 2.5Gbps Ethernet port for the fastest, true multi-gig Internet connections. SAVE MONTHLY RENTAL FEES.Updates will always come from the ISP!!! For this problem however, the chip set Mfr, i.e. Broadcom has to make the change. Then they will pass it to the cable modem Mfrs for integration. Then the process starts again with the cable modem Mfrs passing to the ISPs for testing and certifiation. Also Some ISPs don't or won't update user owned Modems.I've been trying to stop my internet (800Mbps xfinity) from disconnecting periodically. It works fine for a long period, but then it disconnects relentlessly and I disconnect/restart both the modem and router to get the internet to work again. I called xfinity to check the line and the coax within t... ….

Netgear CM2000 + XR1000 = poor upload speed. Was previously on the "Faster" internet plan with advertised speeds of 800 down 24 up. Promo pricing ended and I switched to the newer "Fast" internet plan because their advertised speeds are 500 down 100 up. I've restarted and power cycled both my modem and router it seems like a …Turn off router and computers. Plug in and turn on modem. Wait 2 minutes for it to connect. Turn on the router and wait 2 minutes for it to connect. Turn on computers and rest of network. Have the ISP check the signal and line quality UP to the modem. Be sure the ISP provisions the modem correctly.Yeah Furry, youre right. Inma keep an eye on it. I really dont understand how I am getting DoS attacks. Or why lol. And no Fraser, we do not have a Vodaphone, but one of my roommates has a phone that was made in Europe. Thats about it. We use our cellphones for most phone calls, and the ocassional ...Today I noticed my internet wasn’t working. I was able to narrow it doing to my modem (Netgear CM2000). The modem is only 5 months old. All lights on the modem are rapidly …Yes. ATT tends to give people combo units which makes the network run a double nat without some changes to either the att router or the netgear router. 2020-05-29 08:30 AM. Currently I don’t have a router, just a modem. I’m getting about 40-50 mbps download speed, which is the fastest speed available for my area.Follow your browser's prompts to continue to routerlogin.net. To enable HTTPS when accessing your NETGEAR router: Launch a web browser from a computer or mobile device that is connected to your router's network. Enter www.routerlogin.net. A login window displays. Enter the router admin user name and password. The user name is admin.Guru. 2021-07-19 06:38 AM. You signal is a little hot (to high) but you don't have detected errors in the line. but your logs indicate quite a few errors. I'd check your line for kinks, damage, old/bad/loose/cheap connectors and replace them. Remove splitters/amplifiers from the line as well.Re: CM2000 all lights flashing, no internet, this is the second unit that has failed Only other thing to check is the coax line. I've seen them poorly grounded or other issues with the coax and it can bleed over and fry the modem.CM600 and RCN stopped working. 2019-10-21 12:14 PM. CM600 cable modem suddenly stopped working with RCN. downlink light - solid yellow. uplink light - blinking yellow. I looked up the modem logs and says "no ranging response received - T3..." Wanted to know if I am having an issue with the modem itself or an issue somewhere between modem and ...Brake problems are fairly common but can often be diagnosed by non-experts. Learn all about various potential brake problems at HowStuffWorks. Advertisement Undetected brake proble... Netgear cm2000 problems, 2023-10-03 03:10 PM. The absence of the NETGEAR CM2000 from the Xfinity list of recommended devices for the Next Gen Speed Tier may simply be a temporary situation, while Xfinity continues to rollout its multi-gig deployment in more Next Generation markets. This is a work-in-progress.... Message 10 of 14., Hi all, Having a sporadic issue with my new Netgear CM2000 modem. I keep losing the downstream connection, or so it seems, the LED blinks and I have no connectivity. Rebooting the modem fixes …, Crutchfield is still a great place to shop. Replaced my old Netgear CM1100 docis 3.0 modem with the 3.1 CM2000 which gave me a 250-300 Mbs increase in download speed. Install is easy but activation via Comcast/Xfinity was a fiasco. You can't replace a modem without going through Comcast support., We are aware of an issue where the downstream LED on the CM2000 and CM2050V occasionally blinks. This is the expected behavior of firmware V1.01.05 and it does not negatively affect connectivity or performance. We plan to address this issue in the next firmware release. For more information, see What do the LEDs on my NETGEAR …, Replaced my old Netgear CM1100 docis 3.0 modem with the 3.1 CM2000 which gave me a 250-300 Mbs increase in download speed. Install is easy but activation via Comcast/Xfinity was a fiasco. You can't replace a modem without going through Comcast support., I have fairly recent netgear CM2000 cable modem (1 month old). I have a 1200 Mbps service with Comcast Xfinity. In the past week or so, the diagnostic page of my modem says that my cable connection is poor. See diagnostic text file attached at the bottom below. The problem seems to come from the downstream power level., Power OFF the CM modem and disconnect all from the modem. Re-connect one ethernet connected PC to the modem. Disconnect the ISP Coax cable from the modem. Power ON the modem give 15 seconds then press the reset button in …, I was wondering if anyone is experiencing an issue with Netgear CM2000 cable modem on Xfinity. My downstream light will blink white. I do not have any connection issues, but I notice the following on the logs: Time. Priority. Description. Tue Mar 30 11:05:14 2021. (Notice (6)) CM-STATUS message sent., Have the ISP check the signal and line quality UP to the modem. Be sure the ISP provisions the modem correctly. Be sure there are no coax cable line splitters in the between the modem and ISP service box. Be sure your using good quality RG6 coax cable up to the modem., Have the tech be sure to check everything I posted about in regards to the CM2000 modem first. × Introducing Nighthawk RS700 WiFi 7 (BE) Router. For more details, please visit Nighthawk Tri-Band WiFi 7 Router., Starting yesterday, my CM2000 modem starting dropping signal randomly. The downstream light on the modem will start to blink, and my internet will lag or lose connection. My ISP is Xfinity. I contacted them twice yesterday, each time there were no service interruptions on their end and they refreshed my modem., The Netgear Nighthawk CM2000 is a high-speed cable modem that is compatible with all major cable internet providers, featuring DOCSIS 3.1 technology, 32x8 channel bonding, a powerful 1.5GHz dual-core Broadcom BCM3390 processor, and a 2.5 Gbps ethernet port, making it ideal for online gaming, streaming, and other high-bandwidth activities., Hi. I just got my first Netgear Modem. CM1000v2. I have Cox GigaBlast. Do these signals look ok? I'm worried about the uncorrectables. Also my speed tests from the Cox gig site suck. less than 200. fast.com is around 200. speedtest.net is around 100-200. All through my Linksys router. I'm a new..., 2020-08-24 09:07 AM. According to Cox Communications, Netgear's CM2000 Docsis 3.1 Cable Modem is approved for use on their Internet Service. According to Netgear, the Nighthawk Multi-Gig Speed Cable Modem, Model CM2000, Netgear User's Manual was published and release to all major ISP's on or about January 23, 2020!, Netgear issued firmware on 9-20-2021 to patch vulnerability CVE-2021-40847. Is my C7100V vulnerable. 2021-09-23 01:32 PM. My NETGEAR NIGHTHAWK model C7100V aka AC1900 Router-Modem is functioning now with my ISP Comcast / Xfinity. The current 'best' firmware NetGear lists is version 2.01.45, which has been around for more than a year., Get 1 year of 24/7 direct access to NETGEAR’s technical support engineers and quickly resolve your technical issues, big or small. 1 year. ... 2.5Gbps Max download, DOCSIS 3.1 (CM2000) 2Gbps Max download, DOCSIS 3.1 (CM1200) 2Gbps Max download, Voice, DOCSIS 3.1 (CM1150V) ... NETGEAR makes no express or implied representations or …, Power down your modem, router, and computer and disconnect the coax from the modem. Connect port 1 of the modem to your router WAN port with an Ethernet cable, connect your computer to a router LAN port with an Ethernet cable. Leave your other hardware disconnected. Connect the coax to the modem and power up the modem., Resetting modem through the access interface. 3. Factory resetting modem. 4. Verifying firmware is up-to-date (see screenshot) 5. Spending a couple hours with Xfinity tech support who have sent several signals since then (Sometimes they can't connect to the modem). They claim it's the modem but are sending a tech anyways., I purchased the CM2000 to replace my aging ARRIS SB6190 that i have been using for about 6 years with no problem. Per Xfinity I needed to upgrade my modem in order to take advantage of my new plan +1g speed. Very easy setup. Plug in network cable, coax cable, and power cord., ‎NETGEAR : Series ‎CM2000-100NAS : Item Model Number ‎CM2000 : Product dimensions ‎25.15 x 22.35 x 11.94 cm; 462.66 Grams : Item Dimensions L x W x H ‎25.1 x 22.4 x 11.9 centimetres : Colour ‎black : Item Weight ‎463 g : Manufacturer ‎Netgear : ASIN ‎B08GWNZ9VF : Date First Available ‎22 September 2020, Jul 18, 2022 · Ask your ISP about turning down the power a bit and have them check the signal on the line. Check the cabling from there box to the modem. Remove any splitters and make sure the coax connections are connected well and snug. Should help with the correct and un-correctables. , The Netgear CM1000 and CM1100 have that same chipset, and thus have identical performance to the Motorola MB8600. So just get whichever costs less and has the best return policy in case something is wonky. The CM2000 looks like a new model number, and I can't easily find which chipset it has. That said, it looks like a repackaged CM1000., it could be the one device hosting the internet browser that's having trouble. what do you think about the top log entry repeatedly being replaced ? and the log table not growing. and what do you think about that squeaky-clean channel table ? what could be better?, Have the ISP check out the items mentioned. This is on them., Have the ISP check the signal and line quality UP to the modem. Be sure the ISP provisions the modem correctly. Be sure there are no coax cable line splitters in the between the modem and ISP service box. Be sure your using good quality RG6 coax cable up to the modem., Brake problems are fairly common but can often be diagnosed by non-experts. Learn all about various potential brake problems at HowStuffWorks. Advertisement Undetected brake proble..., WORKS WITH ANY WIFI ROUTER, BEST WITH WIFI 6. Connect any WiFi router to this modem's Ethernet port to support all your wireless devices. For the fastest Internet, connect to a NETGEAR WiFi 6 router or Orbi Mesh system. MULTI-GIG ETHERNET. 1 x 2.5Gbps Ethernet port for the fastest, true multi-gig Internet connections. SAVE MONTHLY RENTAL FEES., We are aware of an issue affecting Nighthawk CAX30 Cable Modem Routers that may have resulted in an interruption of internet service. For instructions to restore Internet connectivity click here., Status: Poor. Action: [Partial Service] If the Partial Service mode does not go away within a few hours (Click the Refresh button after each step): 1) Make sure the coaxial cable is tightly connected. 2) Remove any unnecessary splitters. 3) Replace any required ones., CS of 10 is similar to a 4.8 star review, CS of 0 is similar to a 2 star review. Netgear CM1000, the cheaper option, tends to get more favorable reviews than Netgear Nighthawk CM2000. As can be seen in the chart above, median best-selling modem receives a consumer score of 7.4 (good). Both Netgear CM1000 and Netgear Nighthawk CM2000 receive ..., Replaced my old Netgear CM1100 docis 3.0 modem with the 3.1 CM2000 which gave me a 250-300 Mbs increase in download speed. Install is easy but activation via Comcast/Xfinity was a fiasco. You can't replace a modem without going through Comcast support., So Comcast recently revamped their my device info page and they said that the CM2000 as of now is not recommended for their network, neither is it × We are aware of an issue affecting Nighthawk CAX30 Cable Modem Routers that may have resulted in an interruption of internet service., Netgear CM2000. B. Based on 66 review s. The Looria Grade (A - F) accounts for multiple factors, including sentiment, helpfulness, and more. Learn about our sources and ranking. Great for saving money. Easy to install. Fast speeds. Does not require a router.