DOCSIS 3.0 channels | Xfinity Community Forum
Jun 10, 2022 · The modem will use all the DOCSIS 3.0 QAM and DOCSIS 3.1 OFDM channels it can. Your plan just determines how much of that bandwidth Comcast lets you use. Most of the time it …
DOCSIS 3.1 connectivity problem with ARRIS SB8200 | Xfinity …
Jun 3, 2025 · DOCSIS 3.1 connectivity problem with ARRIS SB8200 I replaced my DOCSIS 3.0 modem DOCSIS 3.1 one (ARRIS SB8200) after upgrading my Xfinity internet plan (500Mbps to 1100). I was …
DOCSIS3.0 is slow but consistent while DOCSIS3.1 is faster but fails ...
Jul 24, 2023 · It's probably a line issue. DOCSIS 3.1 modems are backwards compatible with DOCSIS 3.0, but also support signaling modes that 3.0 doesn't. Comcast runs a mixed network with some of …
Docsis | Xfinity Community Forum
Dec 24, 2024 · Actual Docsis speed.What is the actual version? They support DOCSIS 3.0 and 3.1 devices. Some version 2 devices may be "grandfathered". DOCSIS 4 is coming, date unknown. …
SB8200 Modem using Docsis 3.0 - Xfinity Community Forum
Nov 28, 2024 · Figured a Docsis 3.1 modem might help. After I set up the new modem, however, I noticed it was running in Docsis 3.0 (green lights instead of blue on the front). I will say my speeds …
Equipment Upgrade Notice from Xfinity | Xfinity Community Forum
Jan 13, 2023 · Because of a certificate expiration issue related to the DOCSIS 3.0 modem I’m currently using, I need to upgrade my equipment. The email has a link to modems I can upgrade to - most of …
Arris 8200 modem flips between DOCSIS 3.0 and 3.1 (blue light to …
May 9, 2021 · The downstream light on my Arris 8200 modem changes from blue (DOCSIS 3.1) to Green (DOCSIS 3.0) several times per hour. I'd been having disconnections from the internet every …
Modem Keeps Dropping From Docsis 3.1 to 3.0, Causing Major Packet …
Jan 5, 2024 · The modem will then stay in docsis 3.0 for varied times (10, 20, 30 minutes etc.) before trying to reconnect to the 3.1. When it does switch back to 3.1, there is no noticeable lag or packet loss.
DOCSIS 3.1 Modem not provisioned correctly (DOCSIS 3.0 QAM 256 ...
Mar 13, 2020 · I'd rather just provision my DOCSIS 3.1 modem appropriately. Something that sticks out to me, I thought you could only get gig speed tier via the DOCSIS 3.1 / OFDM downstream channel, …
DOCSIS 3.0? | Xfinity Community Forum
May 22, 2020 · DOCSIS 3.0? When shopping for a new cable modem, is it pointless to look at DOCSIS 3.0 modems? Are they still accepted? Currently have a SB6183, rated at 683mbps but limited by …