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DOCSIS 3.0 and 3.1 cable modems

1462 Topics
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The Many
rjjThe Many
asked in S33 | S34
S33/S34 2.5G port slow

I have Cox gigablast and was getting 940Mbps speeds with my Motorola MB8600. I’ve “upgraded” to the Arris S33 and S34 and I’m getting weird results with the 2.5G port. Both modem continue to download at 940Mbps when connected to the 1G port. However, when connected to the 2.5G port, I only get between 180-300Mbps. I’ve tried multiple laptops, desktops, and switches with 2.5G ports. I’ve also used Cat6a and Cat 8 cables but the results are all consistent. I would assume I would continue to get 940Mbps when connected to the faster 2.5G port. Also worth noting is that I do not get a link/connection light on any of the modems’ ethernet ports, but the respective activity light flashes green when connected to either port. And of course, I’ve rebooted the modem with and without the ethernet connected to either port. I returned the S33 thinking it was defective and the purchased the S34 which demonstrates the same issue.Is this a firmware issue or does the carrier need to enable the 2.5G port?

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The Many
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The Many
jsymposiumThe Many
asked in SB6183 | SB6190
Age / production date / manufacturing date on SB6190 and SB6183

Hi there, how can I tell how old my modems are?SB6183SB6190Thanks!

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The Many
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The Many
StueyThe Many
asked in S33 | S34
S33 Upstream Power Levels and Gibabit Speed w/Xfinity

Xfinity claims that Upstream Power Levels should be +35 to +50 dBmV. The S33 wants Upstream Power Levels to be +45 to +51 dBmV.A lot of Xfinity customers have +35 to +44.9dBmV Upstream Power Levels and they aren’t getting Gigabit performance.How do we fix this?

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The Certified
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The Many
M32068The Many
asked in SB8200
SB8200 in warranty. All lights stuck on. no internet

My internet stopped working and when I went to reset my modem I noticed something odd, the lights aren’t going off.   Now of course when I unplug it they go off but when I plug it back in they immediately turn fully back on. i tried resetting it with what I think is the reset button on the back (there is a hole but it’s not labeled) and also tried the IP for internet reset but it’s not coming up. 

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Wi-Fi Warriors
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The Many
Stramel
asked in Modem - General
no internet on computer devices only roku, amazon, ring cameras on SB6141

Very strange.Can NOT log laptops, ipad or either phone into internet. connects to router but will not get an internet connection. TVs are running fine on Roku connected to router/modem.All my ring cameras are running fine connected to router/modem.All connected devices show in router admin Client List but no internet on phones iPad or laptops the rest work fineLaptop via Ethernet cable to modem no internet....Logged my phone into other Wi-Fi at different locations with no issues.Asus RT-N66U router firmware version 3.0.0.4.378_9459SURFboard SB6141 modem ipv6 onlyXfinity ISP provider

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The Many
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The Many
quip0709The Many
asked in Modem - General
Changing SSID and Password when logging into router

I don't have warranty on my modem. The model number that I have is SBG6700-AC. I've had it for a few years. In the past, I've always used this IP address http://192.168.0.1 and was able to login into the router using admin and password to go in and change the SSID along with the password. For some reason whenever I attempt to log in with that IP address on my laptop or smartphone, I get the message: This site can’t be reached192.168.0.1 took too long to respond.Try:Checking the connectionChecking the proxy and the firewallRunning Windows Network DiagnosticsERR_CONNECTION_TIMED_OI really want to change the SSID along with the password. Is there another way I can change the SSID and password?

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Wi-Fi Warriors
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The Many
DrewbageThe Many
asked in Modem - General
Password is not working on SBC app

My password and login are not working for the app

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Wi-Fi Warriors
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The Many
JdragenzThe Many
asked in SB8200
Using Moca Adapters with an ARRIS (SB8200) - Cable Modem - Fast DOCSIS 3.1

Hey there, Community, I own the ARRIS (SB8200) - Cable Modem - Fast DOCSIS 3.1 , Approved for Comcast Xfinity, Cox, Charter Spectrum, & more | 1 Gbps Max Internet Speed, 4 OFDM Channels I bought the ( 2x pack ) of  ARRIS SURFboard mAX W121 Tri-Band Mesh Wi-Fi 6 System, AX6600 Speeds up to 6.6 Gbps, Coverage up to 5,500 sq ft  The speeds for wifi have been MUCH better than they were before. We have 3 gamers trying to vy for the wifi so I'd like to drop that to 2 by adding a Moc adapter to my room so I wouldn't need the wifi while gaming. I got a ( 2x ) starter kit of the ScreenBeam Bonded MoCA 2.5 Network Adapter for Highest Speed Internet, Ethernet Over Coax - Starter Kit (Model: ECB7250K02) hoping to be able to plug my PC in that way and take advantage of the ethernet speeds but on the other side of the house from where the router is. However when I connect everything as instructed I can't connect via ethernet due to an IP issue? I think? Is this something I can resolve on my own

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Wi-Fi Warriors
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The Many
Ayjackie93The Many
asked in S33 | S34
s33 orange and white light and intermittent internet connection with high pitch noise

Internet randomly went out and my S33 modem would do one white blink then turn orange and blink slowly and kept repeating the cycle. I tried a to restart it and even plugged it into a different outlet. Making a squeaky noise as well. Contacted xfinity and they are stating it’s the modem. Any help would be great. Also warranty is for another year. Now it’s just staying the color white.

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Wi-Fi Warriors
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The Many
jfb820The Many
asked in S33 | S34
Setting up new modem, network and password

I don’t have a computer that can connect to the modem via ethernet and I need to create a new network name and password since the modem is connected to the ISP provider

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Wi-Fi Warriors
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The Many
jcdaddy3The Many
asked in SB8200
No internet on SB8200

New SB8200 is not receiving internet. Cable provider says they have done what is required on their end. I have restarted and hard booted. The internet light blinks for a bit then stops. What is my next option? 

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Wi-Fi Warriors
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The Many
marymack21The Many
asked in SB8200
Trying to Set Up Arris Modem: Next Step Requires SSID for SB8200

Instructions say to locate the SSID and Password on the device label. There is no sub no label. How do I complete this step? 

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Wi-Fi Warriors
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The Many
JTeemsThe Many
asked in SB8200
Intermittent internet connection on SB8200

SB8200 keeps dropping internet blue light goes out all lights are green no internet I have had isp provider out 3 time tech says it’s the modem 

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Wi-Fi Warriors
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The Many
BuzzmeThe Many
asked in SB8200
Comparison between ARRIS SB8200v2 and v3

What is the difference between V2 and V3 How can I tell what my SB8200 is

2471
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Wi-Fi Warriors
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The Many
Liquid462The Many
asked in SB6183 | SB6190
new arris owner

I just purchased a new modem I thought was a 2 in 1 modem router. It's an SB6190 I see I'm connected directly. I don't see a router name to connect wireless. That & with the direct connection I'm on a nat type 1. I need a nat type 2 to play games online. Anyone know how to get to a type 2 signal ? What happened to the days when we bought a product & could actually talk to someone to get everything set up properly within the first 24hr? 

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Rockstar!
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The Many
BillyClydeThe Many
asked in SB6183 | SB6190
Intermittent internet connection on surfboard sb6190

Have a surfboard SB6190 that seems to be dropping the incoming Spectrum signal between it and my tp-link wireless router. Talked to Spectrum, they swear their incoming signal is steady and not dropping. Firmware on the router is up to date.  Any suggestions on how to remedy this situation? Thank you. 

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Wi-Fi Warriors
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The Many
Mp3zThe Many
asked in SB8200
SB8200 needs an rma due to intermittent internet connection

Hi,  i have a surfboard SB8200 modem. Just today, it started to behave funny, would drop internet connections frequently. I checked with Comcast, everything is fine in my area. Upon rebooting modem (unplug the power cord), I would get Internet for 10 mins before it goes out again.  logging into the arris status page, I see Upstream bonded channels sometimes doesn’t existing and there’s only one downstream bonded channel too, which doesn’t seem right at all considering I have 300mbps service with Comcast.  I already checked the warranty status and luckily I’m in warranty. The SN is 21T5J1699603171. Can you progress an RMA replacement for me asap as Internet is down for my whole house. 

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Wi-Fi Warriors
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The Many
Hay30The Many
asked in SB8200
Slow speed internet on Sb8200

I have had my internet and Arris installed for a grand total of 7 days and I am infuriated. The router reboots randomly. Had Xfinity out, they say Arris is not great and it's not their signals. When it comes back up, it is so slow. I ran a speed test, it didn't complete the test. I see a red error message from Ookla. "UPLOAD TEST ERROR" A socket error  occurred during the upload test. A firewall could be blocking the connection or the server might be having issues." I am not a network tech and have no idea where/how to start finding network logs, etc.  

481
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Wi-Fi Warriors
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The Many
WorkableGoblinThe Many
asked in S33 | S34
S33 Modem Not Acquiring Downstream Channel on Sparklight

Greetings,In the past few days my S33 modem, which until now has performed perfectly well, has suddenly stopped connecting to Sparklight’s cable network. After investigating the interface, I learned that it was stuck at “acquiring downstream channel,” and after calling Sparklight learned that it had suddenly dropped off their network and as far as they could tell everything on their end was working fine. I’ve attempted several restarts and two factory resets, which have done nothing, and am not sure what to do next. I wanted to call or chat with Arris technical support, since this modem is in warranty until December 28th 2025, but the live chat option on their support webpage only says that it’s working without any interface for actually connecting to chat (in Firefox, Safari, or Chrome), and the call section doesn’t actually list any phone numbers to call. So I can’t do that, either. Does anyone have any suggestions for further troubleshooting activity or other suggestions for next st

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Wi-Fi Warriors
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The Many
GdrockThe Many
asked in SB6183 | SB6190
lights on and no internet on sb6190

What does it mean if all four lights are green while rebooting but the two middle ones turn blue and power and glove button go white?  I am not getting internet but isp says signal is just fine.  Also Ethernet  port is flashing yellow on back or modem and router.  Have already tried new Ethernet and resetting router and modem

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Rockstar!
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The Many
kdeangeloThe Many
asked in SB8200
Refurbished SB8200 from Amazon is dropping connection 30+ times a day

Zito Media (my ISP) sent out a tech because how how frequently the internet has been dropping out. But even after running a new line into the house the problem prevails. They told me it’s a problem with the modem. I have only had this modem for 9 months but it was refurbished and now just barely out of warranty of course. Is there any fix or can I get any sort of credit/discount on a replacement modem?

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Wi-Fi Warriors
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The Many
ben.mThe Many
asked in S33 | S34
S34 not compatible with Cox

I have spoken with two customer support folks from Cox trying to activate the S34. They both have told me it is not on their compatible devices list.  I chatted with a Arris customer service agent who said that it is compatible and to use model “RARS34” but this did not help.  Buyer beware.

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The Many
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The Many
TerrygoXThe Many
asked in SB8200
Slow speed internet on SB8200

I have an SB8200 and pay for 1 Gig download from Xfinity.. I get a lot less than that and when I speak with Xfinity they just say its a modem issue with the SB8200. Everything looks fine with the modem. Downstream Bonded Channels are all within range - the Upstream Bonded Channels are a little low but not huge. How do I run a diagnostic test on the SB8200. This is the second SB82000 in 4 years and I don’t want to buy a third if they don’t last much beyond the warranty. Having said that, I don’t trust Xfinity 

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Wi-Fi Warriors
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The Many
ctimmons1339The Many
asked in Modem - General
Want to log in to my app and register my Surfboard if it is not

Hello.  I have a Surfboard router and just downloaded the app and want to make sure I have an account set up and have visibility into this device on my app.   

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Rockstar!
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The Many
ryolseThe Many
asked in S33 | S34
Surfboard S33v2 solid white light, buzzing with no connection

Our Surfboard S33v2 has a solid white light with buzzing and no connections I've done the following steps:1. Power cycle2. Disconnect the RG6 coax cable3.  Have tried to connect to the GUI web portal when directly connected with a rj45 patch cable.4. Reset button and repeated previous steps  

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Rockstar!
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