S33 | S34

I went to my computer and put in the usual 198.168.100.1 and password wasn’t my password but the last 8 of the S/N so I get that straightened out and then it says for a better experience and more options use the app. On my web page there’s no way or option to test my speed from my provider to Xfinity that I could find. Under status there’s bonded channel’s both up and down, frequency, db’s, power and a lot of locked things that I have no idea what they mean, but nothing on the actual speed? Under event log apparently a lot happened in 1969. So I go to the app and in order to check my network I have to ok for this “third party” to look at my network with agreements written by lawyers for lawyers that I need to ok. So I ok it and it searches through all my personal private parts and then list’s what’s on my network but doesn’t list the modem itself, my router is there and everything else but not the actual modem that I want the information from. On the home page i

Hi my modem started flashing at the power source (on the plug-blue light) and at the base in white (Amber). We got a new smart washing machine that shared the same outlet the same day the modem seemed to be dead. The modem used to be on a power strip extension and it was moved to the direct plug.wont reset with the button. is it fried?

I replaced the SB8200 modem with the S33 modem. In the app I click on REMOVE DEVICE, select the 8200, and click on NEXT. I click on YES in the “You are about to delete the last installed device.” The screen returns to the My Network screen and still shows the SB8200. I then tried Add Device, and the two choices are SURFboard mAX or Gaming Bridge or Network Upgrade Kit. Neither relate to the new S33 modem. Is it a waste of time to even use the app?

How do I change the serial number for my S33 modem?  The scanner grabbed the wrong number for my serial number. Thanks. 

Hello all. I recently purchased an s33 to replace comcast modem.using the surfboard app and Xfinity app, I was able to get the s33 modem connected, blue light and the Xfinity app showed it.  I didn’t have internet though.so it got me thinking, I need a router. I pulled out an old Cisco router I have, connected port FE0/1 and set it for “ip addres dhcp”, it won’t obtain an ip. after hours of frustration, I connected the Comcast modem back up, Cisco router obtained an ip from it. what am I doing wrong? Missing? thanks. 

I have an S33 modem I recently installed only to find that Xfinity will only allow a single public IP address for non-Xfinity modems (obviously to encourage you to rent their modems….).  This effectively disables the 2nd ethernet port.  Has anyone come up with a simple way to get around this and utilize both ports?

My family bought an Arris S33 Modem and it just keeps randomly resetting and I’m confused by it, we changed the power source to an outlet but it still resets, we keep it cooled as well but it still resets. I’m completely stumped on why it keeps resetting and I need help resolving this issue.

Just bought this modem the other day.  Spectrum shows good signal on their side, I can see from the modem diag page the signals are within spec but for some reason, every few hours, it tries to get a new profile.   Logs below are from in between WebGUI logins within a few hours.  (edit: CM-MAC information removed by the moderator)18/9/2023 07:29:51 3 Successful LAN WebGUI login from ***.***.***.*** on 23/09/18 at 7:29 AM. 31/12/1969 19:00:16 3 CMSTATUS:US_Diplexer_Mode_Change:Init, 5-42MHz. 31/12/1969 19:00:20 3 SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1; 31/12/1969 19:00:23 3 CMSTATUS:US_Diplexer_Mode_Change:TLV-9, 5-85MHz. 18/9/2023 0

I just purchased the s33v2 modem. My old SB8200 worked just fine with both ports, but I wanted to upgrade because I wanted to get full use out of my internet speeds. I have xfinity gigabite internet. I do have a 2nd IP for my account, one hardwired to my tower, one hardwired to the wifi. The 1gb port isn’t sending signal to the wifi router. I called comcast thinking it might be something on their end, new modem and all, but they did everything on their end and believe its a hardware issue, not their end. Any advice would be appreciated. 

I recently bought an S33 earlier this month (link). But I am unable to get it activated through Xfinity despite numerous phone calls and having a tech out to my home. They were confident that the modem was bad. Is there any way to tell if this is true? I took some screen shots from the Web UI. (edit: Images containing serial number and MAC addresses removed by the moderator)

Hi! I use eero pro 6e and I’m not getting the over 1 GB for wired in a 2.5 gb port. Anyway can get a replacement? This unit feels hot as well.  no longer need this question. 

It assigned 96.29.42.82 but my Unifi USW Lite 8 router, Unifi access points, or any of my computers alone can recognize it. 

I keep getting an invalid IP address. I tried power cycle my modem and it is still not working.

Neither of my laptops have an Ethernet port and I need to complete the setup. 

Can't scan bar code during set up

I have Att at home and xfinity  xfinity to eero won’t connect but Att does

Have my Arris Surfboard S33v2 (using the 2.5G port) hooked up to my Eero 6+ router via a 1.5ft Cat Ethernet cable with Spectrum as my ISP (only currently available in area but hopefully getting Fidium soon).  I use the other of 2 ports in the Eero for a wired connection to my Xbox.   My question is this: am I able to use the open 1G port in the MODEM to connect via internet to anything?  When I try with TV or Xbox, it says I need to enable DHCP for Xbox, or DNP for TV.  Some things have said call ISP to activate another modem port, called spectrum and they say they can’t do that, they can only activate the coax cable.  Any help or ideas?

I just bought the new modem about a month ago to replace another Arris modem. Several times a day, we lost internet for a couple minutes. Every time we lost internet, it is due to the modem randomly shutting down and rebooting. I am having Xfinity out tomorrow morning to take a look at things. Is there anything I should look out for? Is there anything I can fix? Thanks

My s33 modem lights cycle from white, green than solid amber for two minutes and the cycle repeats. I tried hard resetting the modem but the button seems broken and there is no give or tension. I’ve left the power unplugged for hours but it wouldn’t sync with Xfinity. I got a new modem from Xfinity and that works. I’d like to get a replacement as it’s only 6 months since I bought it

I tried upgrading my mesh network to Eero 6+ from a Tp link Deco system on an Xfinity isp. The Eero wont connect to the modem. I tried everything I know but the only way I can get it to connect is to connect the eero to the tp link router instead of the modem. Is it a gateway issue that I need to allow permissions in the S33 for the eero so i dont have to use the Tp Link?

I purchase the S33 that was factory renewed.  It is working fine but the Default admin password is not the serial number. Is there a way to reset the device back to factory default with out it Or and generic PW is may have been set to for testing? Thank you

Just purchased brand new S33 modem. All labels indicating S33v2 (Version 2). When accessing my modem portal (192.168.100.1) Product Information page showing V1.0   Which version do i have?

I recently purchased a new Arris S33 in an attempt to fix my internet’s frequent disconnects.Unfortunately, the problem has persisted. Here are the stats from my modem:Downstream Bonded Channels Channel ID Lock Status Modulation Frequency Power SNR/MER Corrected Uncorrectables 20 Locked QAM256 561000000 Hz -2 dBmV 39 dB 12166 53579 17 Locked QAM256 537000000 Hz -2 dBmV 39 dB 10044 42672 18 Locked QAM256 543000000 Hz -2 dBmV 39 dB

Hi Everyone,Do I need two cables connected from the S33 to the Orbi Router RBR750 (Ether + Internet Port 1) to get the multi-gig speeds?Thanks for you help in advance.

I just bought my device four months ago and it’s not outputting internet. My ISP visited and said it was receiving internet, but it didn’t give a signal to any of my devices while my old modem did. Is anyone else running into this issue? Any solutions? Thanks in advance!