You can use either Wi-Fi or Ethernet. I used to have Comcast's 105 Mbs service, which uses 4 bonded channels downstream and 2 bonded channels upstream. A 64-QAM 6 MHz downstream will deliver about 28 Mbps net throughput. Screen shot of the channel statistics attached. 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 … 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 first step is simple. These are classified into two types, upstream and downstream. These Quorans are beyond knowledgeable about such things. Day 3, one more upstream channel dropped and only one upstream channel remained bonded. Signal to Noise Ratio 38 dB. out of my modem's 32 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. This means if you have a download speed of up to 6 Mbps, you could potentially get up to 12 Mbps with channel bonding. Channels bonded can be wired links such as a T-1 or DSL line . Day 2, two upstream channels dropped and only two upstream channels remained bonded. However, there is only one Engineer there that knows how to escalate this issue to to get the problem resolved. When downstream DOCSIS channels are bonded, the per-channel maximum power also drops. Additionally, it is possible to bond multiple cellular links for an aggregated wireless bonded link. Instead, they use only one connection at a time. You'll have some downstream channels and also some upstream channels. The modem indicates 3.1 / blue on the downstream but the upstream is showing 3.0 / green. Today I upgraded to a 24x8 channel DOCSIS 3.0 modem (The Motorola MB7621), from the 16x4 channel modem supplied by Spectrum. Power Level The Downstream Power Level reading is a snapshot taken at the time this page was requested. Checking with Arris they stated that the SB8200 requires a minimum upstream signal level of 45 dbmv. 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. Channel bonding can increase your internet speed by nearly 50%. Also, the signal to noise ratio is 0 on one of the downstream channels (between 38.3 and 39.0 on all others.) Downstream Bonding Channel Value Channel ID 11. Has anybody succeeded in combining Cable Modem steering with Upstream Bonding ? Interestingly, upstream light is green (indicating DOCSIS 3.0 for upstream/send)? Day 3, one more upstream channel dropped and only one upstream channel remained bonded. None - multiple upstream channel is in use: Blinking Blue: Negotiating multiple upstream bonded channels. Now I only get one blue light on my modem and one upstream channel. (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. 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 … Ideally, it should be as close to zero as possible. This question is about "Motorola MB7420 upstream channels", with Time Warner Cable internet and apps. It has 8 downstream and 4 upstream channels. Frequency 675000000 Hz. Upstream bonding was only working on one channel. Each one has separate power levels and SNR listed for it. Is my modem broken? ), but only 4 upstream channels, out of the 8 available on my modem. The power level on all downstream appears to be good (1.5-3.3). I am using an SB6190 Arris. See modem teaming . Day 1 of activation, all four upstream channels bonded. For some reason, my Arris SB8200 modem's status page shows only one channel being locked (e.g. It allows me to get over 10 Mbps upstream speeds. Solid Green: None - one upstream channel is in use: Blinking Green: Scanning for an upstream channel. Restrictions: This feature is supported only on one upstream bonding group under a MAC domain. Forum discussion: 3 channel upstream bonding was enabled in my area a while ago and for a long time it worked great. The solution was to add cable mtc-mode under cable 1/0 and cable 1/1. 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. The other answers here are vastly more complete than I could hope to be. Note: This port is a LAN Gigabit Ethernet port. This feature balances the utilization only if there is one upstream channel bonding group configured per MAC domain. Its probably more likely that your area is not congested enough to warrant them opening all 4 upstream channels. 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. NOTE 1: A typical setup for Internet access consist of connecting one computer or a Wi-Fi router directly to the cable modem. Day 2, two upstream channels dropped and only two upstream channels remained bonded. 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%. If I remove the US attribute masks I can get the modems to Hello, I just bought a C7000 Nighthawk to replace my SBG 6700ac due to internet drops. Verify all cable connections and try resetting the modem. Forum discussion: My sb6183 used to bond with 4 upstream channels before I got Maxx upgrade to 200 MB. 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. Only one port is active at a time. A 16-QAM 3.2 MHz upstream channel will deliver about 8-9 Mbps net. 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. Provides internet access to a single device. 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). Day 1 of activation, all four upstream channels bonded. Relatively soon, there will be DOCSIS 3.0 modems that can handle even more channels. Please Reload/Refresh this Page for a new reading 5 dBmV . The modem used to bond to all 4 channels, now it only bonds to 2 channels. The current levels provided by Comcast are 38 - 42 across the 4-upstream channels. The bonding of … What about the CMTS? 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. 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