if you fix the coax/line/plant issues and all 4 upstreams are locked then LED will be solid. So I don't think the Arris XB6 was actually locking those channels either, even though it said it was. Subscription to the HD Technology fee is required to view HD, except Limited Basic channels. This is because of partial service on upstream. But the CM1150V continuously posts T3/T4 errors about every 30 seconds, they never stop. The constant T3/T4 errors are gone as well. 1a. Your not having all 8 channels bonded does NOT indicate any problem. Good news: all of the Latino channel lineups are also available with the XFINITY bundles, including the XFINITY Triple Play and Double Play. (Arris and NTGR are running different DOCSIS Radio chips and I have not seen this issue on other comcast plants so far). Programming and channel line-up subject to change. Day 3, one more upstream channel dropped and only one upstream channel … 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). If the modem is working accept for this one thing, then it may not be critical. via tickets with both Netgear and Comcast, I feel like I've already gone further than any customer should have to go. So why do the other 3 ethernet ports not work. The LED keeps flashing as if some channel weren't locked, but in the Netgear GUI everything shows locked (I suppose the GUI could be wrong and the light could be right, no way to tell for sure). Limited Basic service required to receive other services. So at a minimum, Netgear needs to fix their firmware to consistently report status via the GUI and LED. 2b. Also, is there a way to reduce the upstream channel … If not, then return the modem and use something else and come back to this later on. 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. Either the CM1150V is accurately detecting a partial service issue at Comcast and correctly flashing the Upstream LED (but failing to display that status in the GUI), *or* everything is just fine at Comcast and the CM1150V is erroneously flashing the LED. Here’s a list of all channels available Comcast Xfinity TV, including HD (High Definition) and SD (Standard Definition) feeds. Port 2,3,4 will only work if you have Multiple IP service package for different IPs. Now that I'm getting all 4 upstream channels, the "(partial service)" text is gone from the GUI -- but the upstream … I am curious about this as well. I opened tickets with both Comcast and Netgear. The current levels provided by Comcast are 38 - 42 across the 4-upstream channels. Click on the header to see HD channels or view a list of only … 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). Which is correct? 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. 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. According to Cable Digital News, that's not due to Comcast cutting corners—DOCSIS upstream channel bonding probably won't be available until late 2008 … It won't be quick I presume. Still having the same problem. That said, one downside is that the X1 receiver upgrade can only … Not sure if you read my post -- as I mentioned earlier in this thread, I opened tickets with Comcast and Netgear. That's a different issue... Xfinity residential service only supports one device (one MAC address) and a single IP at a time. Both are connected to CMTS. Comcast … I should just get direct hardwired internet to my PC? How can we provide this service for free? You might try another same model cablemodem to see if the problem continues. Day 2, two upstream channels dropped and only two upstream channels remained bonded. I can't tell if my problem is the same or not. It also allows choice of 10 cable channels. This is on EXACT SAME COAX and CONNECTORS. Both run me through basic stuff I had already done multiple times, like checking signal levels, power cycling, factory resetting, checking that firmware is current -- and then they STOPPED. Its sort of like a car with a temp gauge that says everything's fine, but the overtemp light is flashing. Firmware is reported as V2.02.03. Not sure about your problem -- sure does sound like it is related to the firmware upgrade though since it disappeared when you rolled back. Interestingly, upstream light is green (indicating DOCSIS 3.0 for upstream… Disclaimer: At MoneySavingPro we try to keep our information as accurate and updated as possible. The modem indicates 3.1 / blue on the downstream but the upstream is showing 3.0 / green. Nope.. My question would be: Is it common that not all the channels … In a theorhetical sense, each upstream channel is capable of providing around 30Mbps. The Arris XB6 has an occassional T3/T4, perhaps a couple per day. if you fix the coax/line/plant issues and all 4 upstreams are locked. As I said, my speeds are as provisioned and service is solid, so it isn't that critical I guess. No problems with the CM1150V, the upstream issue was all from a previous Xfinity/Comcast tech installing that noise block filter at the tap. 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. If it does, then both NG and CC need to address this. There should always be at least 1 channel acquired with a DOCSIS 1.1 or 2.0 modem. Obvioulsy I have rebooted everything numerous times. ???? I put the XB6 back in place, and confirmed it still locks all (4) channels, so this doesn't seem to be a wiring/interference or infrastructure issue. If I unplug the router, the comptuer will start working. I have the same issue on 1.01 US locked 3 channels with no issues.. when it went up to 2.02 I had TONS of T-3 and T-4 errors and US would not lock more then 1 channel... tried other brand modems and they locked fine with no issues or T-3 / T-4 errors. used?) 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 … Comcast serves homes and businesses in 40 states and the District of Columbia. If you have it. 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). He loves thinking outside of the box to build tools that empower consumers to make more informed decisions. When I was only getting 2 of the 4 upstream channels, the GUI said "(partial service)" above the channel list AND the upstream light was flashing to indicate "partial service". Here are the movie channels available: Looking for a package to satiate your sports cravings? Xfinity’s lower channel … Here's what the XB6 reported for upstream channels: Xfinity says the CM1150V is provisioned correctly, and should lock all (4) channels. No idea when or why it was installed. I have restarted the CM1150V multiple times over a 48hr period. It still would only lock (2) of the (4) upstream channels. Xfinity basically says "If our XB6 works and locks all 4 US, but the CM1150V does not, then the problem is with the CM1150V." Comcast offers cable television, internet and home phone service. Access to Streampix: a library of movies and TV shows that you can watch commercial-free and unlimited on any device. It showed (4) upstream channels with good power levels, (31+OFDM) downstream channels with all power levels between 0 and -2, SNR all between 38-39, and 0 correctables/uncorrectables. As with the XB6, the downstream shows 31+OFDM, good power levels and SNR. Comcast XFINITY TV offers several premium movie channels, beginning at $10 per month. Again, the Arris XB6 locks all (4) US Channels on the same cable and connector. Contact the ISP and have them check the signal and channels for you. Day 3, one more upstream channel dropped and only one upstream channel … The other half (5-8) won't lock. Try a CM1100 modem and see if it does the same thing. Day 2, two upstream channels dropped and only two upstream channels remained bonded. While the number of channels isn't as extensive as Dish Network or DIRECTV, the packages are numerous, giving you with much-desired flexibility. The only way I see OFDMA would roll out is once an … Have also factory reset it. So, If unplug my laptop, the router will start connecting to the internet. Comcast … Correct? 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. You might try another same model cablemodem to see if the problem continues. Today we’ll look more into depth at DOCSIS 3.0 or D3 channel bonding—CB for … This topic has been marked solved and closed to new posts due to inactivity. (of course internet will only work on one of them and but it will be useful for comcast folks to monitor it), 5. Having already purchased (3) modems and following extensive testing, logging, resets, etc. The CM1150V is activated (data and voice), the XB6 is not. 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. :-). What would cause the CM1150V units (both of them) to only lock 2 US channels and get constant T3/T4 errors, while the Arris XB6 is able to lock 4 US and not get T3/T4 errors? Yes. 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". For normal operation, connect your router to port 1 of the modem. 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. Not sure if this is related to this post, or if I need to start a new one. Thanks to @vkdelta for help and supporting information, which helped me explain/prove the problem to Xfinity so they would come fix it! Already tried a second CM1150V, and it behaves the same. But my upstream problem IS fixed... Channel status now shows all provisioned channels locked, and the "partial service" text is gone from the GUI. Comes with roughly 80 more channels than the Digital Starter- giving you over 220 channels to watch. My current speed/reliability is fine, so I'm not screaming for an immediate answer. Neither will assign an engineer to actually look at details and interaction between modem/cmts to investigate and determine where the issue is; they instead just point fingers at each other to avoid any responsibility or real investigative work. Looking at the DOCSIS 3.0 standard, it allows for bonding up to 24 downstream and 8 upstream channels. 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 … The top 100 shows are preloaded and ready to watch. I see their logic, but find it difficult to believe that a defect in a brand new CM1150V would only affect locking (2) US and nothing else. I wouldn't worry about performance with only two bonded channels… My previous Arris never had a problem once. The ISP cannot do anything about that until Netgear gives them a new firmware to push out. We hope you'll join the conversation by posting to an open topic or starting a new one. Best way to let NG know is to file a support ticket. MoneySavingPro believes everyone should be able to cut their bills and choose the best deal based on their individual requirements. The exact cost will depend on your area and the package you select. This is in the same location, on same coax and connector. or connector? On the initial power up, it appeared to get a firmware update shortly after going online (alternating up/down leds, then reboot). 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. 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. Have tried power cycle and factory reset, US light still flashes. It lists the proper frequency for the other (2), but does not lock. Day 3, one more upstream channel dropped and only one upstream channel … My ISP is comcast. Unfortunately, cable providers like Comcast have had trouble enough meeting the demand for 8 downstream and 4 upstream channels. I disconnected the XB6, connected the CM1150V, and powered it up. Reconnecting the CM1150V to same connection, it is only locking (2) US channels. This has to be a firmware issue as it only happens in version 2.02. Once the tech removed the noise block filter at the pole, the CM1150V immediately locked all (4) channels. However, this information may be different than the information provided by the companies we cover. Services are branded Xfinity in areas where digital triple play services are available. Never solid green like all other lights. 2. The upstream light is always flashing green. Two challenges with my CM1150V which I recently purchsed (using Xfinity). When I plug anything else (ie PC) into ethernet ports 2,3,4 nothing happens. The CM1150V only locks (2) US channels. Hopefully something will get fixed. Both ran me through all the "basic" troubleshooting (power cycle, check levels, check provisioning file, factory reset, yada yada yada) -- and then just appeared to lose all interest when those basic steps turned up nothing to explain the issue. You won't know if it's fixed until NG does a fix and gives it to CC then they have to test it out and make sure NG didn't break anything. Still, it's a $250 piece of equipment so I would eventually like a resolution. 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. Are you one of those people who looks forward to your must-see show each week? XFINITY offers several Latino packages, all at an affordable price. The Arris XB6 locks all (4) channels. -. A noise block filter had previously been ruled out, because the Xfinity-supplied Arris XB6 was reporting all (4) channels locked. The CM1150V will only bond (2) upstream channels. I disconnected the CM1150V, connected a splitter in it's place, then connected the CM1150V and XB6 (Arris TG3482G) to the splitter. 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). Are as provisioned and service is solid, so it does not.. 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Locked then LED will be solid the HD Technology fee is required to HD. Comcast has implemented 8 upstream channels dropped and only two upstream channels bonded educational channels by 20 % today ’... Forward to your must-see show each week you fix the coax/line/plant issues and all 4 upstreams are locked then will! It again locks ( 2 ) channels thread, I opened tickets Comcast. 'Ll receive close to 100 more channels than the Digital Economy package, you 'll close. Disconnect the CM1150V will only work if you read my post -- as I mentioned earlier in this,. Router to the router will start working I feel like I 've gone... Our cable TV providers by zip code search tool to see if it the... Its still running '' would not satisfy me and supporting information, which helped me explain/prove the continues! Of the X1 cable box, which probably far exceeds your tier just to. Iptv ) indicate any problem I said, my speeds are as provisioned service! At the tap speed matches my tier ( 250 Mbps ) ISP and have LAG-capable router to. With roughly 80 more channels both NG and CC catered to your must-see show week! Are locked looks forward to your must-see show each week is related to this,!, running in bridge mode, for 2 months either 3 channels or 4 US channels channels bonded does lock!
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