Visitor
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5 Messages
Fallback for non-approved but capable modems
I have the Arris S34 which is fully compatible and works great with Xfinity's network after the upgrade.
The way that I know this is that I use it to connect to Xfinity and get 2.2. to 2.3Gbp on all six workstations on my LAN.
But this is only the case if they have me listed as using their gateway. I'm not using their gateway and have their gateway in a box on my shelf.
When they remove the gateway, a default profile is conrfigured for my account limiting my access speed to 400Mbps. Even though my account shows my modem and it's the only way I have connected to Xfinity, as soon as they remove their gateway from my account, the speed drops. When they add it back, I get full speed again.
The tech support on Reddit claims that there is nothing they can do because the Arris S34 is not listed as an approved modem.
Lots of other people are using the S34 Modem and mine works with no problems if they send the same codepage that their gateway uses apparently. Do I have to spoof my MAC address on my modem to make them think it's an S33?
Why can't they just send the same codepage that they are without having their gateway on my accoun t(even though it's not used or connected).
BruceW
Gold Problem Solver
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26.7K Messages
3 days ago
That's incorrect. Follow the "See all modems" link near the bottom of https://www.xfinity.com/support/internet/customerowned, and then under the heading "Compatible modems for enhanced speeds" ("modems that support 100 Mbps upload speeds and above") click the Arris list. The S34 is on that list and so is compatible with higher upload speeds and is rated for "Wired download speed: Up to 2.32 Gbps".
I know of no way to spoof the MAC of a straight cable modem like the S34.
Please be aware that there are 2 kinds of responses in this Forum: Replies and Comments. When you Comment on a post by scrolling down to "Comment on this post here...", I am notified of your response. But if you select Reply, I am NOT notified and may not be aware of your response.
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XfinityJohnG
Official Employee
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2.1K Messages
21 hours ago
Thank you for reaching out to us here @user_5tnnv6. The response from @BruceW is correct, that modem is on the compatible list. I am not sure what is causing the problem with having an Xfinity modem showing on the account. I will be happy to look further into that from here. Can you send me a direct message with the full name and complete address for your service?
To send a direct message [private message]:
Click the "Direct Message" icon or https://forums.xfinity.com/direct-messaging
Click the "New message" (pencil and paper) icon
The "To:" line prompts you to "Type the name of a person". Instead, type "Xfinity Support" there.
- As you are typing a drop-down list appears. Select "Xfinity Support" from that list.
- An "Xfinity Support" graphic replaces the "To:" line.
Type your message in the text area near the bottom of the window
Press Enter to send it
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BruceW
Gold Problem Solver
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26.7K Messages
3 hours ago
I'm not finding a list called "Approved", where are you seeing that?
On the list I mentioned above Compatible = Approved for the plan speeds shown. How could a device be "compatible" if it wasn't "approved", or "approved" if it wasn't "compatible"?
Please be aware that there are 2 kinds of responses in this Forum: Replies and Comments. When you Comment on a post by scrolling down to "Comment on this post here...", I am notified of your response. But if you select Reply, I am NOT notified and may not be aware of your response.
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