SB8200

The manual instructs me to open a browser & enter an IP address to log in to change the name / password for the modem.  When I do so, I get an error message saying the site can’t be reached.  I’ve tried on 3 different browsers and I get the same error message.  I have the SB8300.

I have an ethernet cable input from my provider (Reliance Connects). How do I connect it to the SB8200 modem?

I had to recently do a complete recovery on one of our laptops. I can't find my security code needed to start my wifi. We bought the Arris in June of this year

I have an sb8200, and it reboots randomly several times a day. The cable company says everything looks good on their side. Is this a sign of a bad modem? I checked all the connections and reset the modem to factory settings,  but even after doing that, it still reboots, kicking us off all our streaming devices.

**** Excuse the SN8200 in the title *****  Moderator can you fix please? **** I had a T25 VOIP modem but dropped VOIP and the T25 was only functioning at maybe 75% of an advertized connection of 500 generally much less maybe 275 or less. This SB8200 doesn’t seem to perform much better or maybe worse from time to time. These are images from a 3 hour fresh Comcast/Xfinity connection and I have used the ‘reset’ depress on it. Channels 33 and 34 interest me. The channels that aren’t in  the image are similar to what’s in those that can be seen. What about the errors on boot that I see?Channel 33 on a fresh boot was 3.7dBmV  40.5dB 123553490  519The table below contains the log of events that the SB8200 has detected. This log can be important to the service provider to help diagnose and correct problems, if any should occur.   Time  Priority  Description 

Arris surfboard sb8200 connected with service provider and double checked - registered modem and still no internet

Is it possible to load my VPN to my Arris Modem and route it through a VPN router to cover all devices in my house? If so, are there instructions somewhere to load the VPN to the modem? Are there any special things I need to do in order for this to work? Let me know. ThanksJim 

In the app I get the modem to connect to my internet and then when I try to sign into the app to use it it tells me it lost the connection try again. Many try’s help!

I am aware that there are other firmware related posts but am lost about what to do next.We are Comcast Business internet customers and decided to get our own SB8200v3 modem and WiFi router as the Comcast modem / router combinations didn’t offer the features we needed. The modem however crashes every few weeks, what is a problem when I am not in the office as people struggle to trouble shoot and reboot the modem.I spoke today twice with the Comcast support, both associates claimed that they have no access to my modem, what I however believe is not true.Can somebody direct me to how I can get the firmware checked and updated if possible?I currently have the firmware version ( edited personal information )

I was able to locate how to update my Password, however I would also like to change the user name to something other than simply “admin”.  Where is there a link to accomplish a user name update?

My wifi went down, I think its my 6 year old router.  I bought a new wifi 7 router but it hasn’t arrived yet.  I did the factory reset on my SB8200 modem, and I’m trying to reset my wifi name and password.  I’ve never reset the password before (ya, I know you are supposed to for security- I had a friend setup the modem when it was new about 2 years ago).  I’m connected to my modem with an ethernet cable, and when I type in 192.168.0.1, I get into an arris page, but it does not have the “system basic set-up” like the youtube help videos show.  Here’s what I see: I have an old Dell XPS computer from 2015 with windows 10.  How can I access the basic setup page to change my wifi password?  Thanks! 

Won't connect to router. Will connect to computer but only one. As soon as you move the cable to a different computer the internet is down.

My sb8200 has no connection (is offline) after a short power outage last night. I have a separate router and it says that the network cable is unplugged and it is not. I have restarted and manually restarted both the modem and the router, even leaving both unplugged completely overnight. I contacted xfinity and they cannot figure it out either. Does this mean I need a new Ethernet cable? I have also read that maybe I have to factory reset the modem but I am not sure what to do. We have only had this modem router combo for under a year I can’t imagine it is already toast. 

Mediacom is my ISP and they are doing an upgrade to their system that will disable all DOCSIS 3.0 modems.  They now only list 2 modems as compatible with their service - Netgear CM2500 and CM3000.  They seem to be promoting mid/high split technology.  I would like to buy a Surfboard SB8200.  My questions are: Will the SB8200 work with Mediacom? Does Arris sell any modems that are mid/high split capable?

Four plus hours today and two yesterday trying to register my Arris SB8200V3 cable modem with Optimum. Optimum tech says it’s the modem. Arris tech says it’s the ISP. After trying two new Arris modems with Optimum I’ve had enough. Bought a Netgear and will see if that works. Pretty soured with Arris. Maybe something simple but if it doesn’t work is doesn’t work. ☹️

SB8200 not working & under warranty, how do I get a replacement.LED lights not coming on at all, even after unplugging and re-replugging. Contacted Internet service provider and they said I needed a new modem..Please let me know how I can obtain a replacement as it is still under two year warranty? thank you- Monet M  

Around 7am in the morning I have had a issue where all of a sudden some websites where blocked I cant even run a VPN my ISP says they have no idea when I contacted customer service and everything shows fine on there side , Anyone know what could be causing this the same sites are blocked on multiple devices

I’ve had an Ooma Telo VOIP router for making phone calls for over a decade.  Recently my Ooma Telo started acting up, requiring frequent reboots to get my phone system to work. In response I ordered a new Ooma Telo but was unable to get it to work with my Arris 8200. After three hours of phone calls to the technical support folks at Ooma, I was sent the following instructions:“Please also check and make sure that the firewall on your modem and/or router have been disabled. Ooma uses the following application ports for outbound data and voice traffic:UDP and TCP So you need to make sure those service ports are open on your internet connection”Has anyone else encountered this difficulty? My first thought was that the new Ooma Telo might be defective.

I have an SB8200 used to Link to COX.The modem keeps dropping out and has to reconnect.  Called Cox, they think the modem is bad (the associate didn’t seem to have a full handle on the situation).  Question is the Event logs show the following when it drops out:Do these events indicate a problem with COX or the Modem?Thanks,  15/11/2024 10:33:11 3 Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC={edit:personal information};CMTS-MAC={edit:personal information};CM-QOS=1.1;CM-VER=3.1;

After moving to a new location (moved to an older house as opposed to being in an apartment), SB8200 can’t establish a downstream connection. Getting errors very similar (almost exact same status message) to the ones in the following post:I also am getting multiple instances of “UCD invalid or channel unusable” and “No ranging response received.” Modem has worked for 2 years and has only started failing after the move. Checked and the warranty has expired in March of this year. Any suggestions on how to fix this issue? Thanks!

Before I go into detail, I want to proactively thank  this community for the help you can provide us.  Thanks!!  Our Wi-Fi account is no longer available on our house system. Our WiFi provider did several tests/checks and said their signal to us was good. They referred us to Arris because we bought an Arris SB8200 modem and router which has worked fine so far. It sounds like we need help setting up a new account through your modem. I have no idea how to do that. 

I have bought a new modem SB8200 and router Tp Link Archer AXE75 for few months.On Saturday October 26, 2024, my wifi stopped connecting to Internet. I followed this site instructions https://www.tp-link.com/us/support/faq/1556/. I removed the power cable and coaxial cable from SB8200 modem, then waited for 1 minutes. I turned on the SB8200 modem and waited to for it to startup. After it booted up, I plugged in the coaxial cable and my wifi stopped giving “connected without internet” and everything was fine. But this happened on Sunday the next day, I redid the steps on I took on Saturday. And today, on Monday, I just unplugged the power cable from SB8200 modem and the wifi started working. I think my router is working fine because I don't have to restart it. But I really don't know which of the two, modem or

My modem is under warranty and is no longer reliable. How do I get a replacement? Patricia N 

Just want to confirm if the unit I got has busted ethernet ports. The front indicator lights on my modem and my ISP show connection is fine. However the lights by the ethernet ports don't seem to go on except when the device is first turning on. My router is showing no connection to the modem and tried the same with laptop with different cables and got the same thing. I assume the lights on the back by the ports should go on if the ethernet port(s) are working. Is that correct? Also I'm only using one port at a time.

Hi,I am having an issue with the modem where all lights are solid blue but the modem is not working.There is obviously no internet. However, even when I plug in ethernet to my computer, it does not even get detected as connected. I know its not the ethernet cable or computer because I plugged the same computer with the same cable into another modem and it detected it fine.  I tried restarted it (plugging it out, leaving it 10 mins and replugging it) and it immediately goes to the solid lights, no blinks or anything else. I tried pressing in the reset button for 4-5 seconds, nothing. Then again I restarted and I tried holding reset button for 10 seconds, nothing. Then I  again restarted and tried holding reset button for 30 seconds nothing. It’s as if its stuck. Like I said it doesn’t even get detected as plugged in into my computer so I cannot even use command prompt to diagnose it. The issue seems similar to