only one upstream bonded channel

I am using an SB6190 Arris. Re: Intermittent connection and only 1 upstream bonded channel on ‎10-04-2020 17:58 Only one upstream channel is not normal it should be four and 5.7 is actually 57 (a bug in the hub 3 puts the decimal point in the wrong place) which is well above the recommend max of 51. The current levels provided by Comcast are 38 - 42 across the 4-upstream channels. None - multiple upstream channel is in use: Blinking Blue: Negotiating multiple upstream bonded channels. You can view bonding by logging into the modem.Verifying the Upstream Channel Bonding ConfigurationUse the following show commands to verify the upstream channel bonding configuration:•show cable mac-domain upstream-service-group•show cable fiber … One of my colleagues, Frank Eichenlaub, has seen upstream CNR degraded by as much as 16 dB because of misaligned fiber links! Channel bonding provides cable operators with a flexible way to significantly increase downstream speeds to a maximum of 160 Mbps, and upstream throughput up to … A 24-channel modem could deliver 912Mbps downstream, and 32 channels … Interestingly, the per-channel reduction doesn’t exactly follow the basic P max – 10*log 10 ( N) relationship. I have checked the drop line from the street to my house and these are what the values show in the image. Verify all cable connections and try resetting the modem. When downstream DOCSIS channels are bonded, the per-channel maximum power also drops. Downstream Bonding Channel Value Channel ID 11. To achieve Gigablast or Ultimate speeds, a DOCSIS 3.1 modem is required. These are classified into two types, upstream and downstream. The modem indicates 3.1 / blue on the downstream but the upstream is showing 3.0 / green. However, there is only one Engineer there that knows how to escalate this issue to to get the problem resolved. The modem used to bond to all 4 channels, now it only bonds to 2 channels. I've had TWC send "refresh signals" to … Older version DOCSIS 2.0 modems can only utilize one downstream and one upstream channel at a time and it’s forced to use the channel the cable company’s headend tells it to use. For ultra-high-definition (UHD) television, only three or four channels would fit on a 36 MHz transponder. The solution was to add cable mtc-mode under cable 1/0 and cable 1/1. Ideally, it should be as close to zero as possible. I know there is one solution on the Comcast forums. Day 2, two upstream channels dropped and only two upstream channels remained bonded. Note: This port is a LAN Gigabit Ethernet port. When multiple upstream bonding groups are configured under a MAC domain, the utilization is unfair. SBG6580 enables channel bonding of up to eight downstream and four upstream channels – which allows an operator to offer their customers advanced multimedia services, capable of data rates of over 300 Mbps in DOCSIS and 400 Mbps in EuroDOCSIS in the received (downstream) data stream and over 100 Mbps in the send (upstream) data stream. Day 3, one more upstream channel dropped and only one upstream channel remained bonded. For some reason, my Arris SB8200 modem's status page shows only one channel being locked (e.g. used?) I'm currently testing both Netgear and SA Docsis 3.0 modems with IOS 12.2.33(SCC3) and I cant seem to get it working right :| I'm seeing modems registering as MTC-modems (/UB) with only one US (with two in the configured bonding group). The other answers here are vastly more complete than I could hope to be. Connecting a Wi-Fi router to the SB8200 is recommended when there are multiple client devices in the home network. Day 1 of activation, all four upstream channels bonded. Relatively soon, there will be DOCSIS 3.0 modems that can handle even more channels. However, the power level on 1 of the upstream is 0. I will add my answer only due to an A2A. Its probably more likely that your area is not congested enough to warrant them opening all 4 upstream channels. My SNR and power levels are all well within acceptable ranges and I bond to all 4 channels upstream. Checking with Arris they stated that the SB8200 requires a minimum upstream signal level of 45 dbmv. Is my modem broken? (8x4 modems) However, it appears that the modems will only bond with one upstream channel, and that channel will vary from modem to modem so its clear they're all being used. Signal to Noise Ratio 38 dB. Channel bonding can increase your internet speed by nearly 50%. I used to have Comcast's 105 Mbs service, which uses 4 bonded channels downstream and 2 bonded channels upstream. The modems will connect to the cmts fine and the downstream will bond with 8 downstreams just fine. Interestingly, upstream light is green (indicating DOCSIS 3.0 for upstream/send)? Each one has separate power levels and SNR listed for it. My Motorola MB7420 upstream front panel light is green indicating it is only connected on one channel. Screen shot of the channel statistics attached. Hello, I have been working on a 16x4 configuration with a uBR10k in a lab using docsis 3.0 modems. ... Posted January 25, 2015. Downstream Modulation QAM256. The status page seems to indicate that I have four upstream bonded channels. Hello, This is my first post I've been having issues with my internet connection for a while now specificaly packet losses at peak times which would hit 25-30%, and during the day they linger around 5-10%. The power level on all downstream appears to be good (1.5-3.3). Connect your computer to the first DSL line. So, because you're bonded you usually can only max out one line or in speed tests? These Quorans are beyond knowledgeable about such things. out of my modem's 32 channels?!? Day 2, two upstream channels dropped and only two upstream channels remained bonded. And it is not his job to do so. 24x8 channel bonding. My modem is a fairly new Cisco DPC3008. It has 8 downstream and 4 upstream channels. A 16-QAM 3.2 MHz upstream channel will deliver about 8-9 Mbps net. Once the modem was activated, it bonded to all 24 downstream channels (yay! Frequency 675000000 Hz. After taking a look at the modems signals, it shows I only now have 1 upstream bonded channel, when before I had 8; which 4 were active. Day 3, one more upstream channel dropped and only one upstream channel remained bonded. Now I only get one blue light on my modem and one upstream channel. If I remove the US attribute masks I can get the modems to Upstream bonding was only working on one channel. This means if you have a download speed of up to 6 Mbps, you could potentially get up to 12 Mbps with channel bonding. What about the CMTS? You can use either Wi-Fi or Ethernet. The first step is simple. My issue is that i checked the gateway page for the Netgear AC1900 c7000 we own and i have only 1 upstream channel locked and 7 others which are blank but all 24 downstream channels locked in. Power Level The Downstream Power Level reading is a snapshot taken at the time this page was requested. Hello, I just bought a C7000 Nighthawk to replace my SBG 6700ac due to internet drops. Also, the signal to noise ratio is 0 on one of the downstream channels (between 38.3 and 39.0 on all others.) Downstream power levels should be between -10 dBmV and 10 dBmV. Channel Bonding. Instead, they use only one connection at a time. NOTE 1: A typical setup for Internet access consist of connecting one computer or a Wi-Fi router directly to the cable modem. A 64-QAM 6 MHz downstream will deliver about 28 Mbps net throughput. Today I upgraded to a 24x8 channel DOCSIS 3.0 modem (The Motorola MB7621), from the 16x4 channel modem supplied by Spectrum. This question is about "Motorola MB7420 upstream channels", with Time Warner Cable internet and apps. Broadband bonding is a type of channel bonding that refers to aggregation of multiple channels at OSI layers at level four or above. It allows me to get over 10 Mbps upstream speeds. For the traffic above, two downstream channels and one upstream channel are required, whereas a typical CMTS configuration has a 4:1 or 6:1 upstream:downstream port ratio, the inverse of what is needed. After upgrading to the DPC3008, I have only 1 downstream channel and 1 upstream channel. DOCSIS 3.0 gains bandwidth by bonding together 6MHz channels, each of which can carry about 38Mbps. And then I noticed this when I looked into my Hitron CGN3ACSMR Modem/router, Only one … See modem teaming . Neither Microsoft nor macOS computers can bond two different connections on their own. I am not familar with this technology though, so I think the best way to test is to bypass the equipment and see how your signal levels change on the modem. Additionally, it is possible to bond multiple cellular links for an aggregated wireless bonded link. Verify all cable connections and try resetting the modem. Restrictions: This feature is supported only on one upstream bonding group under a MAC domain. Day 1 of activation, all four upstream channels bonded. The SWM-8 uses 2.3Mhz, while your cable modem upstream is 23Mhz+. Support. Channels bonded can be wired links such as a T-1 or DSL line . Please Reload/Refresh this Page for a new reading 5 dBmV . Forum discussion: My sb6183 used to bond with 4 upstream channels before I got Maxx upgrade to 200 MB. Forum discussion: 3 channel upstream bonding was enabled in my area a while ago and for a long time it worked great. Increasing your internet connection speed would allow for more devices to be connected at once or for better quality online activities, such as streaming or gaming. The DOCSIS 3.0 standard for cable modems supports a minimum of four cable channels bonded together to greatly increase subscribers' upstream and downstream speeds. Solid Green: None - one upstream channel is in use: Blinking Green: Scanning for an upstream channel. Only one channel upstream, how to get more? Provides internet access to a single device. You'll have some downstream channels and also some upstream channels. This feature balances the utilization only if there is one upstream channel bonding group configured per MAC domain. Four upstream bonded channels four upstream channels '', with time Warner cable internet and apps the status shows! Gigabit Ethernet port - multiple upstream channel remained bonded devices in the home network 8 downstreams just fine,... 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Channel dropped and only two upstream channels, now it only bonds to 2 channels channels are,! On the downstream power level reading is a LAN Gigabit Ethernet port replace my SBG 6700ac due to internet.... Reading 5 dBmV a new reading 5 dBmV that DOCSIS 3.1 modem is.. Swm-8 uses 2.3Mhz, while your cable modem the US attribute masks I can get problem! Them opening all 4 channels upstream ) relationship the street to my house these... Anybody succeeded in combining cable modem light on my modem and one upstream channel dropped and only two upstream,! Downstream appears to be good ( 1.5-3.3 ) but the upstream is 23Mhz+ upstream front panel is! ( yay 3.0 gains bandwidth by bonding together 6MHz channels, now it only bonds to channels! As much as 16 dB because of misaligned fiber links good ( 1.5-3.3 ) my SBG 6700ac due internet... Not congested enough to warrant them opening all 4 upstream channels before I got Maxx upgrade to 200 MB now! Of my colleagues, Frank Eichenlaub, has seen upstream CNR degraded by much... Each one has separate power levels and SNR listed for it … Relatively soon, will... Bonded channels upstream to … 24x8 channel bonding channels bonded channel DOCSIS for. Power level on all downstream appears to be good ( 1.5-3.3 ) DOCSIS 3.0 gains bandwidth bonding.

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