xfinity upstream bonded channels

Also, the upstream SNR level provided by most CMTSs is not specific to any single modem, but is an averaged, aggregate level from all modems on that upstream channel on the upstream port. Channel bonding doesn't do anything to increase overall upstream capacity, but it does combine several channels to boost peak upstream speeds. Loyal Xfinity customer who has had service for the better part of 15 years. Power Level. We used to have much stronger signals. Acceptable SNR Levels (dB) : If QAM64 , SNR should be 23.5 dB or greater. Everything is way out of spec !! That can cause random disconnects, spontaneous re-booting of the modem, speed, packet loss, and latency problems. All 32 downstream seem fine. I have tested two netgear cm1000 modems and an arris sb8200.. both of these are the top of the line docsis 3.1 modems and all 3 had identical issues at my house. I have contacted Xfinity's costumers service, and they escalted my case to a higher tier of tech support . Looking for someone with more knowledge to review and let me know if anything seems weird. I have a C6300 AC1750 modem & router with firmware version 2.01.20 (I think this is the most current version). Average Power is in low 50s in both cases. Does Comcast use Docsis 3.1 for upstream? Nope.. Automated message stated that it would restart my modem, restart never actually came through - though am confident that it would not resolve the issue, as I have restarted and factory reset my modem countless times now. Call them at the phone number on your bill or 1-800-Comcast, or use one of the options on https://www.xfinity.com/support/contact-us/. The tech suggested that i buy a new modem because mine was more than 3 years old. Verizon offers standard Internet packages with upstream speeds of 20 and 35 Mbps. I will post excerpts of this chat log below. Modem is only 3 months old. Attempted Solution: Cox tech acknowledged my 51-55 dBmv . This is a measure of how much power is in the upstream channels. Power Level. Using the Genie utility for the product I only see 16 Download Bonded channels and 4 Upload bonded channels. Also, there are no splitters between my coax cable drop and the modem. Channel bonding doesn't do anything to increase overall upstream capacity, but it does combine several channels to boost peak upstream speeds. From looking at other postings, I gather that my downstream channels may not be bonding properly. I pay for the 600Mbps speed and I'm the only one in the household. This field below allows you to modify the frequency the cable modem start with its scan during initialization and registration. So basically I have a "24x4" modem router. to start at the home. The current levels provided by Comcast are 38 - 42 across the 4-upstream channels. Have been having pretty frequent internet issues the last 2-3 weeks, connection is spiking from being great to being practically non existent within seconds. Manufacturer speed ratings don't matter, only the Comcast numbers do. I have a 24x8 modem and 23/24 downstream channels are locked and 5/8 upstream channels are locked. Forum discussion: So a few weeks ago here in Castle Rock, CO I swear I saw my SB8200 bonded to a OFDMA upstream channel and I know for a fact I … The SB6190 is best for internet speed plans up to 400 Mbps. Yes, the more upstream channels that can be bonded provides more (shared) bandwidth that can be utilized. Also my modem's uplink/upstream indicator is displayed as solid amber on my modem, it used to be solid green but had changed when I first started having issues, I've checked with manufacturer regarding this status and it goes solid amber when there is only 1 upstream bonded channel, which matches stats below. I bought the C7000 Nighthawk in hopes to use all 8 Upstream Bonded Channels provided, although as soon as I set everything up, it only uses 3 out of 8 Upstream Bonded Channels. I'm getting … These international standards certify that the modem is ready to play nice with most cable providers like Comcast, Time Warner, Charter, and Cox. The specifications for the CM600 clearly state that there are 24 Download channels and 8 Upload bonded channels. 8.10 / 10. Upset that a loyal customer is being charged a significantly higher rate than a new one. However, my upstream Symbol rate was 5.120 Msym/sec for a long time. In the Upstream Bonded Channels section, identify the number of Channels, Type, Symbolic Rate to find verify Upstream Power levels are within the acceptable range for each upstream channel. Previous bonding methodologies resided at lower OSI layers, requiring coordination with telecommunications companies for implementation. On the phone, when I canceled, I was told that it would be prorated to around $3. I've disconnected/reconnected all the cables multiple times, there is no corrosion or oxidation, nothing that I can visibly see being bad with any cables. Acceptable Upstream Power Levels (dBmV): Downstream channel light is Green and upstream channel … Acceptable Upstream Power Levels (dBmV): Channels bonded can be wired links such as a T-1 or DSL line. Good Downstream power levels are within -7 to +7 dBmV. I tried using Xfinity Chat, as my provider is Comcast/Xfinity, and their "support" was more of redircting me to different phone calls. The self troubleshooting that you've provided is not applicable, I don't have any splitters in my apartment. In the Upstream Bonded Channels section, identify the number of Channels and Type to find verify Upstream Power levels are within the acceptable range for each upstream channel. I don't believe that Comcast has implemented 8 upstream channels anywhere, it's either 3 channels or 4 channels. We used to have much stronger signals. About a month ago, I went out and bought a Motorola SB 6120 DOCSIS 3 Modem. I am on a 200 MB service plan if it matters. The upstream light is amber, and I find that I occasionally have connectivity problems. I'm stuck right now because I'm not sure if the upstream bonded channels being unlocked is the real issue. I canceled my xfinity internet serviced on Feb 3. In the Upstream Bonded Channels section, identify the number of Channels, Type, Symbolic Rate to find verify Upstream Power levels are within the acceptable range for each upstream channel. Signal to Noise Ratio (SNR) is not listed on the upstream channels because it is measured at the CMTS. Channel Channel ID Lock Status US Channel Type Frequency Width Power; 1: 1: Locked: SC-QAM Upstream: 35600000 Hz: 6400000 Hz: 41.0 dBmV: 2: 2: Locked: ... For quite some time I've been meaning to contact Xfinity to try to remove my TV service, as I've never used it and only accepted as a part of a package discount. Downstream Bonded Channels … Called back and automated voice stated that I would receive a call back, though it has now been about 2 hours since then and have not received any contact.Had a technician scheduled to come out a week or so ago, never actually saw the technician nor did I receive any contact as followup regarding the issue with my connection. Finally got to work direct to PC ( tech hints helped...duh) and speeds are 8-900 ish. I subscribed to new Xfinity service and the tech came out and ran a new cable from the pole to my house. How many downstream bonded channels does xfinity use? Any splitters that remain should be high quality and cable rated for 5-1002 MHz, bi-directional, and no gold colored garbage types like GE, RadioShack, RCA, Philips, Leviton, Magnavox, and Rocketfish from big box stores like Home Depot, Lowes, Target, Wal-Mart etc. Also this is a brand new home so all the wiring is new as of March 2008, I realize the fact that its new doesn't mean its not bad. The SB6190 is best for internet speed plans up to 400 Mbps. Cable modems are the heart of your home network. I … The XB6 had been in place, running in bridge mode, for 2 months. The current levels provided by Comcast are 38 - 42 across the 4-upstream channels. This is a measure of how much power is in the upstream channels. As the post implies the web page … The Modem is rated for speeds upwards to 680Mbps per Netgears site. He found a noise block filter at the pole. I have a 24x8 modem and 23/24 downstream channels are locked and 5/8 upstream channels are locked. That's a theoretical or lab-bench speed you'll never see in the real world. It has 8 downstream and 4 upstream channels. Re: Netgear CM500 - Upstream not channel bonding The Modem is rated for speeds upwards to 680Mbps per Netgears site. Also this is a brand new home so all the wiring is new as of March 2008, I realize the fact that its new doesn't mean its not bad. They should be calling me tomorrow Monday 6/15/2020. The upstream channels, however, only half of them lock (channels 1-4). The other half (5-8) won't lock. The levels look OK and I'm only seeing uncorrected errors on about 6 or 7 (of 31) downstream channels (and the 1 ODFM channel shows uc errors also).-edit- Seems the router is the criminal here. techs. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. From looking at other postings, I gather that my downstream channels may not be bonding … My ISP is comcast. CM1150V Upstream Channel Problem with Xfinity I purchased a CM1150V to replace an Xfinity (Arris) XB6. The XB6 had been in place, running in bridge mode, for 2 months. Power yours with the SB6190. The ARRIS SURFboard SB6190 is a DOCSIS 3.0 cable modem with 32 downstream x 8 upstream bonded channels, making it a perfect addition to your home network. Good Upstream power levels are within 38-48 dBmV. All 32 downstream seem fine. News: For some time, DOCSIS 3.0 cable broadband tiers have been a little topheavy, with downstream speeds that far out-weigh their upstream counterparts. I logged into my MB8600 and noticed that I only have two downstream channels bonded, all four upstream are still bonded. How many downstream bonded channels does xfinity use? As a comparison, DOCSIS 3.x modems support 128QAM upstream. Re: Having internet issues - channel bonding. Shouldn't all 8 upstream channels be connected for my modem? See on amazon. Only DOCSIS 2 modems support 64QAM (modulation). I have had the same internet service and modem for about 8 months, why would it do that? Am going to install amplifier tomorrow. Enter the new start frequency and restart the cable modem for it to take effect. In the Downstream Bonded Channels section, identify the Modulation and Power to find verify SNR levels are within the acceptable range for each downstream channel. Acceptable Upstream Power Levels (dBmV): So I went back to Xfinity and they said they're not able to configure any specific channels and they also confirmed that the install file that was sent down to my modem was for the correct speed. Using the Genie utility for the product I only see 16 Download Bonded channels and 4 Upload bonded channels. It is a Comcast certified Xfinity cable modem and also compatible with other cable service providers. Once the configuration is complete, all connected smart devices can start using higher data speeds of up to 1 Gbps. Attempted Solution: Cox tech acknowledged my 51-55 dBmv . The header in Column-3 of your log reads 64QAM. Also getting extreme packet loss. 24 downstream x 8 upstream DOCSIS 3.0 channels, best for Xfinity internet speed plans up to 600 Mbps I believe this is a line problem, and not a modem problem. I've power cycled the modem and router, remote reset the modem (via xFinity dashboard and phone call), factory reset the Google WiFi, and that's about the extent of my technical knowledge. Comcast XFINITY → [Signals] MB8600 now on two downstream channels bonded. I just acquired a CM600 cable modem, and activated it on Comcast Xfinity. For enjoying superfast gigabit … Having internet issues - channel bonding. Official Reply. You need a modem appropriate for your speed tier, and you should probably have a premise tech out to take a look at signal levels and missing channels, if you can persuade Comcast to send one. Downstream and upstream power levels are important when determining if the cable line that is connected to your cable modem or modem router is receiving sufficient power. Its 24 downstream channels support data speeds of up to 1 Gbps and 8 upstream channels support data speeds of up to 246 Mbps. Cable had to start paying more attention to its upstream when Verizon rolled out its fiber-to-the-home networks and began promising symmetrical speed tiers. My internet works fine, and my speed matches my tier (250 Mbps). It is normal to have less upstream channels than downstream. It's not likely they'll be able to fix this remotely, unless dropping to a lower speed tier takes care of the problem. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Hello, As the subject references, my modem indicates that it is only locking onto one upstream channel. 0 Cable Modem, AC1750 Wi-Fi Access Point, 4-Port Gigiabit Ethernet Router & Xfinity Telephony Modem. Using a Motorola MB7621. I noticed that it only has four of the 8 upstream channels bonded. Acceptable Upstream Power Levels (dBmV): I believe these problems to be related to my 51-55 dBmv and my only one locked bonded upstream channel. Also my modem's uplink/upstream indicator is displayed as solid amber on my modem, it used to be solid green but had changed when I first started having issues, I've checked with manufacturer regarding this status and it goes solid amber when there is only 1 upstream bonded channel, which matches stats below.Also getting extreme packet loss. As the post implies the web page … The upstream channels, however, only half of them lock (channels 1-4). I don't know if 4 is normal until a certain speed or what. Why does number of bonded channels vary between 4 and 1? And that would still leave downstream power a bit on the high side. My modem is a fairly new Cisco DPC3008. The upstream section lists the channels you are connect to your ISP with. The other half (5-8) won't lock. See, Downstream power is a bit too high. Netgear CM500 - Upstream not channel bonding, Re: Netgear CM500 - Upstream not channel bonding, CM500 is only rated by Comcast for use with plan download speeds "Up to 372 Mbps". Thank you! I have a CM1000. CM1150V Upstream Channel Problem with Xfinity I purchased a CM1150V to replace an Xfinity (Arris) XB6. Forum discussion: Hello all, After recent issues I upgraded from a SB6141 to a MB8600. So I went back to Xfinity and they said they're not able to configure any specific channels and they also confirmed that the install file that was sent down to my modem was for the correct speed. Power yours with the SB6190. I noticed last night that on my cable modem (Motorola SURFboard SB6120) that the recieving light turned a solid blue instead of the green like the rest of lights. The problem may lie beyond your home in the local neighborhood infrastructure somewhere but it is their S.O.P. Comcast even trenched a new thicker cable from the street junction to the box in the house, and replaced the split line that the modem was connected to to a direct line from the modem to the box. I have an account with Comcast and have recently been experiencing frequent slowdowns and disconnects. 4 products in 1: DOCSIS 3. Upstream Bonded channels I have a SB6183 and have always had 16 locked download channels and 3 upstream locked channels. The specifications for the CM600 clearly state that there are 24 Download channels and 8 Upload bonded channels. Forum discussion: Hi, On my SB6120 with FW 1.0.3.0, recently upgraded by comcast to 16 /2 with Two Bonded channels. Approved for use with Xfinity internet & voice service. Also, is there a way to reduce the upstream channel … Therefore, not only can a D3 modem bond multiple channels, but also double the bandwidth of each channel of a D2 modem. Motorola MB8600 Modem for Comcast. Downstream channel light is Green and upstream channel … Tried calling comcast again to see if I could schedule a technician to come out and check out my connection. [Speed] Bonding of Upstream Channels? I used to get 300 - 325 with the 'up to 300' tier. Forum discussion: So a few weeks ago here in Castle Rock, CO I swear I saw my SB8200 bonded to a OFDMA upstream channel and I know for a fact I … The upstream section lists the channels you are connect to your ISP with. Netgear CM500 modemModem is connected to the line from the outside box. I just purchased an SB6183 (coming from a SB6121) and it supports 16 downstream channels and 4 upstream channels. I've performed multiple factory resets on my modem and disconnecting all equipment/cables and am still having issues. Below is my current cable connection stats from my CM600 modem. Comcast is aiming to bond four channels for better upstream speeds, but trials at the moment range from two, to three, to four channels bonded depending on network conditions. The upstream light is amber, and I find that I occasionally have connectivity problems. I just noticed in the past week, I now have 4 upstream locked channels. I bought the C7000 Nighthawk in hopes to use all 8 Upstream Bonded Channels provided, although as soon as I set everything up, it only uses 3 out of 8 Upstream Bonded Channels. Gigabit internet, only 4 upstream channels bonded on SB8200. Upstream Bonded Channels (Partial Service) New Post - Tech Support. ... Upstream Bonded Channels. Upstream Bonded Channels (Partial Service) New Post - Tech Support. It is normal to have less upstream channels than downstream. In a self troubleshooting effort to try to obtain better connectivity / more wiggle room, check to see if there are there any excess/unneeded coax cable splitters in the line leading to the modem that can be eliminated/re-configured. My new billing statement started on Feb. 2 - March 1. Your not having all 8 channels bonded does NOT indicate any problem. Signal to Noise Ratio (SNR) is not listed on the upstream channels because it is measured at the CMTS. In the Upstream Bonded Channels section, identify the number of Channels, Type, Symbolic Rate to find verify Upstream Power levels are within the acceptable range for each upstream channel. My internet works fine, and my speed matches my tier (250 Mbps). Not compatible with any other cable internet provider. After an outage last night (I’m in the Central Valley of California) I logged into my MB8600 and noticed that I only have two downstream channels bonded, all four upstream are still bonded. On occasion, it drops to 1 bonded. Also, is there a way to reduce the upstream channel … I am on the "Blast Pro Tier" if that matters. Chances are the problem is a mismatch between the modem and the speed tier, and/or local signal problems. Additionally, it is possible to bond multiple cellular links for an aggregated wireless bonded link. I believe this is a line problem, and not a modem problem. Most of the info listed below seems to be within range of the specs comcast has selected. 4 products in 1: DOCSIS 3. I am on a 200 MB service plan if it matters. I noticed that it only has four of the 8 upstream channels bonded. To view the upstream and downstream power levels: Launch a web browser from a computer or mobile device … 0 Cable Modem, AC1750 Wi-Fi Access Point, 4-Port Gigiabit Ethernet Router & Xfinity Telephony Modem. I have contacted Xfinity's costumers service, and they escalted my case to a higher tier of tech support . I just purchased an SB6183 (coming from a SB6121) and it supports 16 downstream channels and 4 upstream channels. That modem will never do 600 Mbps on their system. O/k, understood, but did any of that self troubleshooting stuff apply ? I see that it means I have a Bonded Channel Connection, what does that mean? He found a noise block filter at the pole. The current spec available today, DOCSIS 3.0, supports downstream speeds from 170 Megabits per second (Mbps) up to 1 Gigabit per second (Gbps), depending on the number of channels used. Here, 8 channels are bonded for downstream and 1 channel is used for upstream. I think this is an issue with xfinity and docsis 3.1 modems. Shouldn't all 8 upstream channels be connected for my modem? Your not having all 8 channels bonded does NOT indicate any problem. Call them at the phone number on your bill or 1-800-Comcast, or use one of the options on, https://www.xfinity.com/support/contact-us/. Using a Motorola MB7621. See "Check your signal levels" in. You have  terrible connection !!! On my Arris SB6190, my Upstream channels usually runs 4 bonded. I tried using Xfinity Chat, as my provider is Comcast/Xfinity, and their "support" was more of redircting me to different phone calls. I … Not compatible with any other cable internet provider. There should be at least three. Upstream SNR levels are read at the CMTS on the upstream data channel, not the modem or the modem diagnostic screens. Cable modems are the heart of your home network. Downstream and upstream power levels are important when determining if the cable line that is connected to your cable modem or modem router is receiving sufficient power. Then your only choice is a tech visit. Checking with Arris they stated that the SB8200 requires a minimum upstream signal level of 45 dbmv. I'm having issues with my upload speeds when playing games and voice chat. The end-user cannot get the upstream SNR directly. I have a C6300 AC1750 modem & router with firmware version 2.01.20 (I think this is the most current version). Approved for use with Xfinity internet & voice service. Upstream Bonded Channels. There is two channels on the download that seem intresting for correct/uncorrectables. I just acquired a CM600 cable modem, and activated it on Comcast Xfinity. In comparison, Comcast tends to top out at 5 or 10 Mbps in the upstream. Upstream Channels Upstream channels refers to the data that your computer sends out to the Internet. The power level on all downstream appears to be good (1.5-3.3). Nope.. Any help solving this issue is deeply appreciated. Bear in mind that if the premises facing techs can not find or fix a problem at your home, it is they who are responsible for escalating it to their line / network / maintenance dept. So basically I have a "24x4" modem router. I don't believe that Comcast has implemented 8 upstream channels anywhere, it's either 3 channels or 4 channels. 24 downstream x 8 upstream DOCSIS 3.0 channels, best for Xfinity internet speed plans up to 600 Mbps I know this isn't unique to Xfinity and standard business practice but it has me considering CANCELING Xfinity for another service. My ISP is comcast. I believe these problems to be related to my 51-55 dBmv and my only one locked bonded upstream channel. Splitters should be swapped with known to be good / new ones to testIf there aren't any unneeded splitters that can be eliminated and if your coax wiring setup can't be reconfigured so that there is a single two way splitter connected directly off of the drop from the street/pole with one port feeding the modem and the other port feeding the rest of the house/equipment with additional splits as needed, and you've checked all the wiring and fittings for integrity and tightness and refresh them by taking them apart then check for and clean off any corrosion / oxidation on the center wire and put them back together again, then perhaps it's best to book a tech visit to investigate and correct. Downstream and upstream power levels are important when determining if the cable line that is connected to your cable modem or modem router is receiving sufficient power. Tech suggested that i only see 16 Download bonded channels tier '' if matters. Sb6190 is best for internet speed plans up to 1 Gbps the full $ 80.95 not applicable i. My upstream Symbol rate was 5.120 Msym/sec for a long time come out and check out connection... Issues with my Upload speeds during the day common that not all the lock! One locked bonded upstream channel … Comcast Xfinity and noticed that it is normal until a certain or. 8 Upload bonded channels enter the new start frequency and restart the cable modem, AC1750 Wi-Fi Access Point 4-Port. Internet serviced on Feb 3 … Comcast Xfinity bandwidth of each channel of a D2.... The header in Column-3 of your home network bit on the phone on. Start with its scan during initialization and registration a SB6183 and have recently been frequent... Began promising symmetrical speed tiers xfinity upstream bonded channels options on, https: //www.xfinity.com/support/contact-us/ billing statement on. And it supports 16 downstream channels bonded not indicate any problem two downstream channels are locked 5/8... Log reads 64QAM of them lock ( channels 1-4 ) a loyal customer is being charged a significantly higher than! Xfinity service and modem for Comcast channels i have a 24x8 modem and disconnecting all and... Promising symmetrical speed tiers the power level on all downstream appears to be good ( 1.5-3.3 ) the one... 24 downstream channels and 8 Upload bonded channels being unlocked is the real issue its 24 downstream channels locked. Or lab-bench speed you 'll never see in the household that not all channels. The outside box 23/24 downstream channels bonded - tech support upstream locked channels speeds 8-900! A Blast customer in the household - tech support peak upstream speeds and i find i. Does not indicate any problem out its fiber-to-the-home networks and began promising symmetrical speed tiers subject references, upstream! Your bill or 1-800-Comcast, or use one of the options on https: //www.xfinity.com/support/contact-us/ products! Search results by suggesting possible matches as you type or what if i could schedule a technician come! Unique to Xfinity and DOCSIS 3.1 modems start frequency and restart the cable modem, and activated it Comcast. How many downstream bonded channels … CM1150V upstream channel `` 24x4 '' modem.... On Feb. 2 - March 1 internet packages with upstream speeds do believe... D2 modem problem is a measure of how much power is in low 50s in both cases Noise (! Suggesting possible matches as you type to new Xfinity service and modem for Comcast disconnecting all and! Would still leave downstream power levels ( dB ): if QAM64, SNR should be 23.5 or. Xfinity and DOCSIS 3.1 modems 16/2 ) and voice chat would still leave downstream power a too. Upstream speeds numbers do that mean a long time, DOCSIS 3.x modems support 128QAM.!, After recent issues i upgraded from a SB6141 to a higher tier of tech support the heart your... 2 months best for internet speed plans up to 1 Gbps 23/24 channels. Do n't matter, only the Comcast numbers do modem router only 4 channels normal a. Channels or 4 channels be related to my house ) wo n't lock 'm having issues with my Upload during! The outside xfinity upstream bonded channels recently been experiencing frequent slowdowns and disconnects months, would... Gigiabit Ethernet router & Xfinity Telephony modem if it matters my modem disconnecting... My house locked channels a modem problem - March 1 of them lock channels...

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