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S33 | S34

DOCSIS® 3.1 Gigabit Cable Modem

  • 283 Topics
  • 734 Replies
283 Topics
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The Many
CLBThe Many
asked in S33 | S34
What is the S34

I was considering the S33 for my GB Xfinity connection.While checking out the S33 on the Arris website I noticed the S34. It looks like it might be based on the S33 but firmware optimized for faster uploads. The description page states “ Next Generation Upload Speed Optimized” where the description page for the S33 does not.If I click “Buy Online Now” on the S34 page I get redirected to a page suggesting I add an S33 to my cart.Is the S34 an available product? If not, when will it be available?Thx in advance.

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C
The Many
6 months ago
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The Many
mafinokcThe Many
asked in S33 | S34
Can't log in to Surfboard Central management console -S33

I just installed and set up an Arris Surfboard S33. We are running Windows 10 on our PCs. When I go to the Surfboard Management console at 192.168.100.1 and enter “admin” and “password:” as instructed by the user manual, I get an error message that the username and password are not correct. This happens with all browsers. Can anyone provide any guidance, assistance or correct instructions? Thank you.

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Guardians of the Gateways
6 months ago
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The Many
mrmiseeksThe Many
asked in S33 | S34
Internet randomly drops and speeds are slow - S33

S33 & Xfinity gigabyte plan Past few days  I have been experiencing frequent outages. Usually a reboot of the modem and routers resolves it but the past few times the speeds are not coming back to what they should be. I took a look out the downstream channels and saw a lot of corrections and uncorrectable(s). This screen shot was taken with a modem uptime of about 20 minutes.   Spoke with Xfinity rep and basically said everything is good on their end and to contact manufacturer.  If anyone could provide any suggestions I am all ears. 

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Guardians of the Gateways
7 months ago
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The Many
lunarThe Many
asked in S33 | S34
S33 Upload Speed Issue

Like most I’m on Xfinity with my own S33 modem. I updated my service to an 800Mbps/100Mbps plan and haven’t been able to get anywhere higher than 11.8Mbps uploads on the Xfinity speedtest site. A tech came out and ran a new line today and we removed a splitter that was no longer needed and he said the signal levels were much improved. The only thing I’ve seen improve so far is the number of correctable and uncorrectable errors on channel 1 have gone away with the new line. Otherwise, the power levels on the upstream connection actually seem to have dropped (maybe that’s ok) from 47.5 dBmV to 43.0 dBmV. I’m still not getting any higher than the 11.8Mbps even though I’d expect to at least hit 20Mbps if they still haven’t opened up support to 100Mbps to the S33.Here are the levels from the modem status page after the new line was installed (and splitter removed). Does anything stand out as a problem? Xfinity support replied that they’re showing downstream SNR is at 44.5 and your upstream

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L
The Many
7 months ago
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The Many
DonPThe Many
asked in S33 | S34
New S33v2 Already in use and unable to activate the modem

I bought a new, factory sealed S33v2 but Xfinity (Comcast) was unable to provision it as the MAC address was already in use. How can that be?

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D
The Many
7 months ago
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The Many
bobmaccThe Many
asked in S33 | S34
excessive data usage-S33

Nov 2023 installed ARIS S-33 modem. Data usage went from an average of 350Gb/month to 1323Gb/month for Nov & Dec 2023 and Jan 2024.No changes in data intensive activity, no gamers. Only change is went to Hulu Streaming TV and dropped Xfinity Cable TV.Any ideas why this would happen?

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The Many
7 months ago
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The Many
norsemanThe Many
asked in S33 | S34
S33 Firmware

What version do I have? The info page shows "NA". How do I perform an update? 

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plemans
Legends
7 months ago
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The Many
Jackie113The Many
asked in S33 | S34
S33 Replacement not working - Arris won't refund

So I had a S33 for a few months, then it stopped working. Arris sent a replacement. The new one won’t connect at all. I worked with Xfinity for over an hour trying to get it connected and they told me there was a Docsis error on the modem. So I’m using a rented Xfinity modem now and it works perfectly.I called Arris about just sending theirs back for a refund but I was told that was impossible since it was a replacement. They want to go through troubleshooting before they’ll even offer any recourse.I am done with Arris I think. After going through two bad modems I just want a refund. Will they offer a refund if I go through troubleshooting with them and it still doesn’t work or will they just send an endless stream of replacements until my warranty runs out?

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Guardians of the Gateways
7 months ago
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The Many
dabeekThe Many
asked in S33 | S34
S 33 won't regrister with Xfinity

Tried to activate an Arris S 33 with Xfinity, Xfinity said that my old 6190 modem is too slow for my internet speed, and I needed to upgrade.  My modem won’t activate, I have tried many times using the app, the light flashes green, and after 11 minutes the app says it couldn’t find the modem.  I hooked up a computer to the modem and on the status page is says security failed, and Docsis network access enabled, Status Denied.  Today, Xfinity came out to check my lines, I had a weak signal, they replaced lines and connectors and when the tech was done, I had a great connection.  He tried many times to activate the modem and couldn’t.  He finally called his tech people.  The tech lady tried to activate the modem on her side and said that it showed active, but wasn’t connected.  She said that she couldn’t see an IP address for this modem, and because of that, couldn’t activate the modem.  She told me to contact Arris and see if anyone has had this problem and how to fix this problem.  This

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The Many
7 months ago
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The Certified
billin30The Certified
asked in S33 | S34
Arris S33v2 Xfinity Issue and modem rebooting on its own.

I posted on here a while back about my S33v2 randomly rebooting several times a day. I have been chatting with some Xfinity agents on Reddit and they lead me to an interesting discovery. While the S33 is on the list of recommended devices, the S33v2 is merely listed as compatible and not recommended. According to the internet, the v2 was released in mid-2021. Despite a different chipset and firmware, there is little difference between the two. Why has Xfinity not certified the v2 version in the last 2.5 years when it is clearly the newer product and probably the only one you can actually buy for the last 2.5 years?My issue is clearly something to do with this modem as I had been using Xfinity’s XB8-T modem for the last month and had zero issues.Is there anything I can do about this except just keep using the XB8-T and eating the $15 bucks a month?If they havent certified the S33v2 in 2.5 years, is there a decent chance they will ever do it?Thanks

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The Certified
7 months ago
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The Many
sjalalThe Many
asked in S33 | S34
Surfboard does not connect early morning on S33

Hi , I just returned my Xfinity Arris modem and got a SurfBoard S33. I have LinkSys mesh routers in both the cases that work OKI have noticed early morning the Wifi connection does not work and Internet starts to works about 5 mins after connecting.  Can you pls suggest an fix for this ? Is there any upgrade that needs to be done as I bought this SurfBoard from Amazon ?? Thanks in advance  

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Guardians of the Gateways
7 months ago
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The Many
KENN8859The Many
asked in S33 | S34
Arris S33 won't connect to Linksys EA8500 router.

I purchased the “Arris Surfboard S33” router today to replace my old Lynksys router.  I have upgraded my internet speed to 1GB.  I got the S33 activated by Xfinity and followed the procedure for registering the product as the instructions listed.  After verifying that the modem was converting the cable signal to an internet signal, I attempted to connect my EA8500 router...1st on the 2.5G port then the 1G port.  In either situation the light on the EA8500 continues to flash and no “new” network is seen.  Any helpful suggestions are appreciated as to how to troubleshoot this problem.  Thank you

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plemans
Legends
7 months ago
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The Many
ijs32The Many
asked in S33 | S34
S33: Front Panel LED is solid Amber for 20s and then flashes white (and repeats)

I came home from being out for a couple of days and my Arris S33 modem appeared in an error state. No internet connection on any of my devices. The front LED turns a solid amber for 20 seconds, then flashes white, then turns off for 2 seconds before repeating that cycle. Tried hard resets and checking cables; also tried troubleshooting with Cox, but the modem just remains in whatever state it’s in. Modem is not responding to input from the reset button, either.  I’m not sure what to do as I haven’t seen any posts with a similar issue to this. I received the modem as a hand-me-down and have only had it plugged in for less than a month (and it’s worked fine until now). 

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Guardians of the Gateways
7 months ago
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The Many
CpudzThe Many
asked in S33 | S34
Slow Wi-Fi internet on Arris s33

First Ethernet cable worked to hardwire a desktop- internet was fast and reliable. Then connected wireless router to second Ethernet port- Wi-Fi internet is now good, but the desktop that was hardwired does not have an internet connection. 

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plemans
Legends
7 months ago
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The Many
HaoruiThe Many
asked in S33 | S34
S33V3 LOW INTERNET SPEED

I recently upgrade my xifnity plan to 2Gig with the Xfi router, it was 1900mbps for downloading and 45mbps for uploading. I replaced the Xfi Gateway with the newest S33V2 surfboard and the speed drops to only 700mbps with direct internet connection and 5mbps for uploading. I have a tech from xfinity do the test, the Xfi Gateway can run full of 2000mbps but the S33V2 cannot. The tech suggested me to contact the Arris customer suport for a solution. He thought there might be a issue with the Arris cable modem since the speed is only 700mbps.Best

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Guardians of the Gateways
7 months ago
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The Many
DiyGuyThe Many
asked in S33 | S34
S33 Login to GUI web portal

I cannot log into my S33 for the first time.Using admin for the user name and password for the password.Even tried using the last eight digits of the serial number.Thanks in advance.  

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plemans
Legends
7 months ago
C
The Many
Cellular_MatrixThe Many
asked in S33 | S34
Arris S33 Web Manager New Password Length Login Issue

I just purchased this modem yesterday. What is the maximum number of characters when changing the default password for the Arris Web Manager website to something unique? I successfully changed this to a 16 character password (documented in Last Pass) and the website confirmed my new password as having been applied. When I now try to login with my new password, I can only enter the first 15 characters in the field and thus cannot login. What gives? If the 16th character was silently ignored during new password creation, then the first 15 characters should suffice but it’s a no go with just the first 15.

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Guardians of the Gateways
7 months ago
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The Many
ddwebbThe Many
asked in S33 | S34
SMS via WiFI doesn't work with S33 Modem

I have Xfinity Internet with mobile.S33 Modem with Asus ZenWiFi AX6600 mesh routers (3 ea).I think around the time I installed this setup from the Xfinity modem/router setup, I lost the ability to send and receive text messages with pictures via SMS. Don’t know how to find that ability to correct that.Any suggestions would be appreciated. 

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plemans
Legends
7 months ago
J
The Many
Jackie113The Many
asked in S33 | S34
S33 won't connect and makes high pitched whining

Was working for a few weeks, then started to have trouble connecting and makes a high pitch swuealing noise before connecting. Yesterday it took about 30 minutes to connect after power outage. Today we rearranged and unplugged it for a while. Now it wont connect at all. The light is solid amber except every 8 seconds it turns green for one second then back to amber. The whine is constant.

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J
The Many
7 months ago
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The Many
namrevil71The Many
asked in S33 | S34
Arris S33 periodic slow down to 30mbps on Cox

Hi everyone,I have a brand new Arris S33 on Cox Hampton Roads VA Beyond Fast internet Tier 2g down/100mbps up speed package. It is connected to also a brand new Orbi Mesh RBR60 with one additional satellite. Wan cable between the modem/router is connected to the Arris 2.5gb port of course. My speeds tests average around 2300gbps down and 100up consistently 98% percent of the time and all my devices throughout the house apple TV’s, cams, etc work great no buffering. The coax running to the house( RG-11) by Cox are relatively new from the pedestal to the demark and from there to the modem(New RG 6)and great signal readings have been verified by both senior Cox field techs and their supervisors and maintenance and headend techs have indicated everything looks perfect ayt every connection point(I used to work for Cox in tech support and still have some contacts fortunately in field services:) It is also a straight coax run all the way from the street, no splitters, amps etc as we only have

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The Many
7 months ago
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The Many
PabloThe Many
asked in S33 | S34
No internet on S33

My Arris S33v2 stopped working and has a white light in the front. What does a white light indicate? Seen meaning for other colored lights but not white

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Guardians of the Gateways
7 months ago
N
The Many
nelsons21The Many
asked in S33 | S34
Firmware release name/ number for S33

I am looking to find out what the latest release and version is for my S33.   I would like to know if the one I purchased is up to date.   I understand because I own it I cant update it from you nor will my ISP.  And dont tell me they auto update it, because they dont.That isn’t the question.   I  want to know it for my knowledge, and if you wont tell me, why wont you?So, when we think it might be too old we can replace it.

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plemans
Legends
7 months ago
C
The Many
charlotte_lynn99The Many
asked in S33 | S34
Warranty S33

Modem not maintaining connection and overheating as well warranty is still in effect.

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Guardians of the Gateways
7 months ago
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The Many
steven17sThe Many
asked in S33 | S34
S33 Not connecting to the internet with a direct ethernet wired connection

Hello, I have an S33 modem with Spectrum internet. The spectrum tech installed the modem and it has been hooked up to a wireless router and working fine with all wi-fi connections. After the install I connected the modem directly to a network switch and the wireless router still works fine. However I have connected an NVR home security system to the switch that requires direct ethernet and it wont connect. I called the security camera support and they are telling me that the direct line is IPV6 and it needs to be IPV4 to work. I am also experiencing no internet connection my wired Samsung smart tvs. Is there an easy fix?

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The Many
8 months ago
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The Many
WellerslThe Many
asked in S33 | S34
Led light turned off on S33

Years ago, when I set up my S33, I turned the LED off. Now I want it back on. I was mistaken that a hard reset would do that. I'm kind of surprised that it didn't.I downloaded and installed the web manager. No joy there because the app can't find the modem (?!?).So... What's the trick?

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plemans
Legends
8 months ago
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