Again, the Arris XB6 locks all (4) US Channels on the same cable and connector. Reconnecting the Arris XB6 to same connection, it locks all (4) US channels just as it did before. That implies a CM1150V firmware problem, erroneously flashing the LED when no problem exists, but I don't have enough data to conclusively prove that. 1. 2a. The CM1150V is activated (data and voice), the XB6 is not. CM1150V Upstream Channel Problem with Xfinity, Re: CM1150V Upstream Channel Problem with Xfinity, My Setup (Cable 1Gbps/50Mbps)>CM1200 v2.02.03(LAG Disabled)>RBK853 v3.2.17.12, Model: CM1150V|DOCSIS 3.1 Nighthawk® Multi-Gig Speed Cable Modem for XFINITY® Voice. Disconnect it, connect CM1150V, and CM1150V only locks (2) channels. You can also take advantage of the X1 Voice Remote and issue commands catered to your viewing tastes. If I unplug the router, the comptuer will start working. Are you willing to work with us to debug if this is CM or Comcast issue? Also, is there a way to reduce the upstream channel … Also, my router is plugged into Ethernet Port 1. or connector? MoneySavingPro believes everyone should be able to cut their bills and choose the best deal based on their individual requirements. Works. The XB6 locks all (4), so it doesn't seem to be a wiring, interference, or headend problem. If you require a higher internet speed of 1Gbps, then this is not the right modem for you, you will need the DOCSIS 3.1 modems instead of MB7621. Surprisingly, the router is a bottleneck to the modem, whose powerful 1.5 GHz processor and 32×8 channel bonding can theoretically pass through a max upstream of … I disconnected the XB6, connected the CM1150V, and powered it up. Have rebooted and factory reset, but the LED is still flashing. If you have a DOCSIS 3… There's no way Comcast would cut legacy upstream bandwidth in half on sub splits systems just to have an OFDMA. Can do this over-and-over, the problem is NOT intermittent. It still would only lock (2) of the (4) upstream channels. I should just get direct hardwired internet to my PC? Day 1 of activation, all four upstream channels bonded. 2d. Added Spectrum's streaming package that had all of the OTA channels plus the C-SPANs and public channels. That's a different issue...  Xfinity residential service only supports one device (one MAC address) and a single IP at a time. BUT THE LIGHT IS STILL FLASHING. Your not having all 8 channels bonded does NOT indicate any problem. Upload/download speeds exceeded my plan rating by 20%. Not sure if you read my post -- as I mentioned earlier in this thread, I opened tickets with Comcast and Netgear. It won't be quick I presume. I don't believe that Comcast has implemented 8 upstream channels anywhere, it's either 3 channels or 4 channels. This may influence which plans we compare and review and write about, but it does not effect our recommendations or advice, which are based on thousands of hours of research. Still, it's a $250 piece of equipment so I would eventually like a resolution. :-). The additional ethernet ports are for the "port aggregation" feature, which allows (if you have latest firmware, a plan with sufficient speed to need it, and a modem that supports it) a multi-gigabyte connection between the modem and the router. If the modem is working accept for this one thing, then it may not be critical. Tried a couple power cycles, then a factory reset. The exact price depends on your area and the package you choose. The ISP should be able to fix this. I have restarted the CM1150V multiple times over a 48hr period. Now that I'm getting all 4 upstream channels, the "(partial service)" text is gone from the GUI -- but the upstream … DOCSIS® 3.0 compliant designs Up to 8 downstream and 4 upstream channel bonding Tuners support two 48MHz blocks each consisting of up to 4 bonded channels High performance … The CM1150V will only bond (2) upstream channels. Works. Signal levels are of course degraded a bit for both, because of the additional splitter, but are still within operating range. All downstream signal levels are good, between 0 and -3 dBmV, with SNR between 38 and 39. Obviously something is wrong, with either the service or the status reporting, and it would be nice to know that someone cares about fixing that problem even if speed/reliability isn't impacted. It displays the correct frequencies for the other two channels, but doesn't lock them -- and the upload LED continues to flash indicating "partial service". If you're looking for a wide selection of TV packages, a state-of-the-art set-top box, plus perks like DVR service, you can't go wrong with Comcast XFINITY TV. In a theorhetical sense, each upstream channel is capable of providing around 30Mbps. Our partners cannot pay us to guarantee favorable reviews of their products or services. Comcast serves homes and businesses in 40 states and the District of Columbia. So I now question the veracity of the Arris XB6 status page. Port 2,3,4 will only work if you have Multiple IP service package for different IPs. Just activiated my cm1150v. Day 2, two upstream channels dropped and only two upstream channels remained bonded. The constant T3/T4 errors are gone as well. You'll have to keep in contact with NG and CC. Please reset to confirm if you have 2 or 4 US channels. The problem I am having is that I have an ethernet cable run right from the modem to my computer (from port 2), and then an ethernet cable running to my router out of port 1 as instructed in the manual. The two US channels that lock have upstream power between 40 and 42 dBmV. This provides a peak theoretical bandwidth of 1029Mbps/245Mbps. The upstream light is always flashing green. Day 3, one more upstream channel dropped and only one upstream channel … 6. So at a minimum, Netgear needs to fix their firmware to consistently report status via the GUI and LED. Rob has 15+ years experience in the US and UK running price comparison sites for cell phone plans, smartphone deals, TV, and internet. The modem provides 32 downstream channels along with 8 upstream channels for DOCSIS 3.0 and 2 OFDM downstream channels along with 2 OFDM upstream channels … Then I'm sure you'll agree that one of the most important aspects of choosing a cable television provider is making sure you get the channels you want. Xfinity cable TV prices start at $20. 2b. via tickets with both Netgear and Comcast, I feel like I've already gone further than any customer should have to go. While our site doesn't feature every carrier or provider available on the market, we're sure you'll be able to make significant savings from the information we provide and the free independent tools we create. 2c. The Arris XB6 has an occassional T3/T4, perhaps a couple per day. Comcast … Today we’ll look more into depth at DOCSIS 3.0 or D3 channel bonding—CB for … This is because of partial service on upstream. Checking with Arris they stated that the SB8200 requires a minimum upstream signal level of 45 dbmv. Comcast, the largest cable television company in the U.S., offers a hefty range of plans from basic to sports to Latino packages. Once the tech removed the noise block filter at the pole, the CM1150V immediately locked all (4) channels. So, If unplug my laptop, the router will start connecting to the internet. Comcast says everything is good at their end, all signal levels are great (both at modem and CMTS), correct firmware and provisioning file are in place, I'm getting provisioned speeds, and therefore it must be Netgear problem. You can also bundle Comcast XFINITY cable with high-speed internet or XFINITY Voice home phone services to help you save. Acquire Downstream Channel: This should say "Locked", "OK" or similar. Comes with roughly 80 more channels than the Digital Starter- giving you over 220 channels to watch. used?) There is one package that stands out like a sore thumb, and that is the Limited Basic package. I'd use the Arris SBV3202, but it isn't Comcast-approved for future gigabit service which is why I went with the CM1150V -- but am keeping the SBV3202 as a backup / emergency spare. XFINITY offers several Latino packages, all at an affordable price. No idea when or why it was installed. Firmware is reported as V2.02.03. My question would be: Is it common that not all the channels … This package is perfect for the general sports nut as it includes the NFL Network, NBA, and the MLB Network. That said, one downside is that the X1 receiver upgrade can only stream Netflix - not other services such as Hulu and Amazon Prime instant video (as of yet, anyway). The XB6 always gets (4) US channels, the CM1150V always gets (2). Interestingly, upstream light is green (indicating DOCSIS 3.0 for upstream… How can we provide this service for free? Nope.. Never solid green like all other lights. Compared to the Digital Economy package, you'll receive close to 100 more channels. Day 1 of activation, all four upstream channels bonded. I procured a second CM1150V, and it behaves exactly the same way -- it only locks 2 US channels. Port 1,2 will work together if you enable LAG and have LAG-capable router. Unfortunately, cable providers like Comcast have had trouble enough meeting the demand for 8 downstream and 4 upstream channels. That said, one downside is that the X1 receiver upgrade can only … if you fix the coax/line/plant issues and all 4 upstreams are locked. Some ISPs offer it, not all though. An Xfinity tech was out today. The Arris XB6 locks all (4) channels. Comcast XFINITY has got you covered. This router meets the DOCSIS 3.0 standard and will work up to a 400 Mbps download speed with Comcast Xfinity. A noise block filter had previously been ruled out, because the Xfinity-supplied Arris XB6 was reporting all (4) channels locked. if you fix the coax/line/plant issues and all 4 upstreams are locked then LED will be solid. Never solid green like all other lights. He found a noise block filter at the pole. Disconnect the CM1150V and reconnect XB6, it again locks (4) channels. Having the dealer just tell me to "ignore the flashing light as long as its still running" would not satisfy me. I can't tell if my problem is the same or not. The CM1150V only locks (2) US channels. Looking for a range of channels with a Latino flair? These US and DS levels seem to indicate good cable and connections. DOCSIS 3.0 – Channel Bonding • Channel bonding is logical (two phy channels tied together at data link layer) – Increases peak rate, but not upstream channel capacity • Possible physical … The XB6 had been in place, running in bridge mode, for 2 months. While the Comcast XFINITY's packages aren't as numerous or flexible compared to Dish Network or DIRECTV, this cable TV service is still home to a wide variety of packages, all with enticing incentives. such as coax cable? Considering most of their system is only running 3 upstream channels (whether its because there are noise issues or Comcast is being cheapskates is up for debate), adding a D3.1 channel … Now that I'm getting all 4 upstream channels, the "(partial service)" text is gone from the GUI -- but the upstream light is still flashing. Have you changed anything on your side? For one, with XFINITY's X1 HD receiver, you can stream Netflix - provided that you have a membership with the service - to your TV with ease. I suspect the flashing LED I'm seeing is a firmware error, and am inclined to believe the GUI (and Comcast) which both say everything is fine regarding signal lock. Both are connected to CMTS. I will PM you with additional details as requested. 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