Comcast … Disconnect the CM1150V and reconnect XB6, it again locks (4) channels. such as coax cable? The other 3 ports on the CM1150V are not for additional devices, but rather for using its port aggregation (with proper ISP support and a compatible router). Looking at the DOCSIS 3.0 standard, it allows for bonding up to 24 downstream and 8 upstream channels. Both can't be right! So at a minimum, Netgear needs to fix their firmware to consistently report status via the GUI and LED. 2. Are you willing to work with us to debug if this is CM or Comcast issue? The upstream light is always flashing green. The upstream throughput possible is 30.72 Mbit/s per 6.4 MHz channel (approximately 27 Mbit/s after overhead), or 10.24 Mbit/s per 3.2 MHz channel (approximately 9 Mbit/s after overhead). The XB6 locks 4 US, but the CM1150V only locks 2 US. If it does, then both NG and CC need to address this. The CM1150V units (both of them) also have a constant stream of T3/T4 timeouts, roughly every 30 seconds. Xfinity offers a number of different packages, so the exact number of channels will be based on your choice of package. For activation and testing, connect a computer directly to port 1 of the CM1150V. Comes with roughly 80 more channels than the Digital Starter- giving you over 220 channels to watch. Once the tech removed the noise block filter at the pole, the CM1150V immediately locked all (4) channels. 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 … Day 3, one more upstream channel dropped and only one upstream channel … My previous Arris never had a problem once. 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 … used?) Can you connect both them at same time using splitter ? If it does, then both NG and CC need to address this. The Arris XB6 locks all (4) channels. However, when I have them both plugged in at same time, only 1 works at a time; meaning only 1 can access the internet it seems. out of my modem's 32 channels?!? Hopefully someone from Netgear can answer that for both of us. Firmware is reported as V2.02.03. Not sure if this is related to this post, or if I need to start a new one. For some reason, my Arris SB8200 modem's status page shows only one channel being locked (e.g. Reconnecting the Arris XB6 to same connection, it locks all (4) US channels just as it did before. Day 2, two upstream channels dropped and only two upstream channels remained bonded. The package provides you with over 10 channels, including local broadcast stations (i.e. This topic has been marked solved and closed to new posts due to inactivity. The ISP cannot do anything about that until Netgear gives them a new firmware to push out. As I said, my speeds are as provisioned and service is solid, so it isn't that critical I guess. I will PM you with additional details as requested. Comcast cable TV service offers not only the popular local broadcasting channels, but also sports, movie, and international packages that will satiate your cable television cravings. 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. These packages are enhanced by the X1 cable box, which allows you to track and switch between multiple games. I got v2.02.03 flashed the very first time I connected the CM1150V (27-Mar-2019), so cannot compare to older firmware. Our partners cannot pay us to guarantee favorable reviews of their products or services. The Arris XB6 has an occassional T3/T4, perhaps a couple per day. If not, then return the modem and use something else and come back to this later on. All downstream signal levels are good, between 0 and -3 dBmV, with SNR between 38 and 39. Just want to know that someone is working on it, and that it will eventually be addressed. Here’s a list of all channels available Comcast Xfinity TV, including HD (High Definition) and SD (Standard Definition) feeds. The CM1150V is a modem, not a gateway or router, so it has no routing capability. if you fix the coax/line/plant issues and all 4 upstreams are locked then LED will be solid. Day 3, one more upstream channel dropped and only one upstream channel … I agree, both Netgear and Comcast should be working together to isolate and correct whatever the problem is. Initially I had problems locking US channels and tons of t3/t4 errors, but that was a problem at the tap. How can we provide this service for free? Have rebooted and factory reset, but the LED is still flashing. I disconnected the CM1150V, connected a splitter in it's place, then connected the CM1150V and XB6 (Arris TG3482G) to the splitter. Unfortunately, cable providers like Comcast have had trouble enough meeting the demand for 8 downstream and 4 upstream channels. Could be bad HW as well. This is because of partial service on upstream. I am curious about this as well. With two, your max upload capability would be around 60Mbps (rounding down), which probably far exceeds your tier. The exact cost will depend on your area and the package you select. Works. One Comcast Center, Philadelphia, PA 19103, Includes the top 100 shows preloaded and ready to watch, Just $20 more per month (for the first 12 months). An Xfinity tech was out today. There might have been an outage on comcast plant. He found a noise block filter at the pole. We hope you'll join the conversation by posting to an open topic or starting a new one. If you want to use Comcast Xfinity Gigabit Service, … My ISP is comcast. I should just get direct hardwired internet to my PC? Are you one of those people who looks forward to your must-see show each week? Our partners compensate us. Activation through Xfinity's portal went smoothly, with both voice and data working. Which is correct? That was blocking the two lower frequency channels. While the number of channels isn't as extensive as Dish Network or DIRECTV, the packages are numerous, giving you with much-desired flexibility. Still having the same problem. This means your modem found the frequency with which to receive information from the internet. Disconnect it, connect CM1150V, and CM1150V only locks (2) channels. if you fix the coax/line/plant issues and all 4 upstreams are locked. It is a Comcast … Comcast cable TV service offers not only the popular local broadcasting channels, but also sports, movie, and international packages that will satiate your cable television cravings. When I plug anything else (ie PC) into ethernet ports 2,3,4 nothing happens. Xfinity’s lower channel … If you have a DOCSIS 3… The XB6 always gets (4) US channels, the CM1150V always gets (2). Please reset to confirm if you have 2 or 4 US channels. Obvioulsy I have rebooted everything numerous times. (of course internet will only work on one of them and but it will be useful for comcast folks to monitor it), 5. 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. Correct? DOCSIS 3.1 supports a downstream throughput with 4096-QAM and 25 kHz subcarrier spacing of up to 1.89 Gbit/s per 192 MHz OFDM channel. (Arris and NTGR are running different DOCSIS Radio chips and I have not seen this issue on other comcast plants so far). Works. 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. When Comcast fixed that, the CM1150V (still with v2.02.03) immediately locked all provisioned channels and the t3/t4 errors stopped. Can do this over-and-over, the problem is NOT intermittent. The CM1150V is only locking (2) US channels on the same cable and connector. Comcast serves homes and businesses in 40 states and the District of Columbia. There should always be at least 1 channel acquired with a DOCSIS 1.1 or 2.0 modem. $15 more provides access to all … 2c. You'll have to keep in contact with NG and CC. Never solid green like all other lights. This router meets the DOCSIS 3.0 standard and will work up to a 400 Mbps download speed with Comcast Xfinity. Could be bad HW as well. If you're on the hunt for a decent provider with a broad range of packages to select from, then Comcast should be considered. Xfinity cable TV prices start at $20. BUT THE LIGHT IS STILL FLASHING. Limited Basic service required to receive other services. If I unplug the router, the comptuer will start working. The XB6 locks all (4), so it doesn't seem to be a wiring, interference, or headend problem. Compared to the Digital Economy package, you'll receive close to 100 more channels. This provides a peak theoretical bandwidth of 1029Mbps/245Mbps. 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. ABC, CBS, NBC, FOX, PBS, and more), local government channels, and educational channels. Comcast, the largest cable television company in the U.S., offers a hefty range of plans from basic to sports to Latino packages. No problems with the CM1150V, the upstream issue was all from a previous Xfinity/Comcast tech installing that noise block filter at the tap. So why do the other 3 ethernet ports not work. I purchased a CM1150V to replace an Xfinity (Arris) XB6. I have v2.02.03, am currently locking all provisioned channels US (4) and DS (31+OFDM), and have no errors in log. Correct? NG ticket #41178878; I never heard back after my last follow-up. Also, my router is plugged into Ethernet Port 1. Xfinity basically says "If our XB6 works and locks all 4 US, but the CM1150V does not, then the problem is with the CM1150V." Also, my router is plugged into Ethernet Port 1. Thanks for the assistance! 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 modem indicates 3.1 / blue on the downstream but the upstream is showing 3.0 / green. A noise block filter had previously been ruled out, because the Xfinity-supplied Arris XB6 was reporting all (4) channels locked. You'll need to connect your router to the modem, and your other devices to the router. There are several sports packages to choose from with XFINITY TV service: There are plenty of music channels that your ears will be begging for. Here's what the XB6 reported for upstream channels: Xfinity says the CM1150V is provisioned correctly, and should lock all (4) channels. This has to be a firmware issue as it only happens in version 2.02. The XB6 had been in place, running in bridge mode, for 2 months. Both are connected to CMTS. Xfinity offers over 200 TV channels. There is one package that stands out like a sore thumb, and that is the Limited Basic package. It still would only lock (2) of the (4) upstream channels. Comcast XFINITY has got you covered. Signal levels are of course degraded a bit for both, because of the additional splitter, but are still within operating range. All other modems tested (CM1150V, Arris TM722G, Arris SBV3202) were unable to lock the channels with that filter in place. :-). Thanks to @vkdelta for help and supporting information, which helped me explain/prove the problem to Xfinity so they would come fix it! There's no way Comcast would cut legacy upstream bandwidth in half on sub splits systems just to have an OFDMA. Not sure if you read my post -- as I mentioned earlier in this thread, I opened tickets with Comcast and Netgear. Beyond the 2/3 of customers on X1, I would have to imagine that at least a few percent of their TV customers are on their skinny IPTV-only Xfinity Instant TV service, streaming HD TV service from Comcast only through Rokus, Samsung smart TVs, laptaps, phones, etc. Have tried power cycle and factory reset available in your area and the Network... On Comcast plant companies we cover the 4-upstream channels channel … I am curious about as. 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