Visitor
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3 Messages
XB8/server bugs and XB8 manuals
Today, had one XB8 swapped out for another. The following bugs still exist or recur. It is unvalidated whether these are server or XB8, but figured I'd share with you here and see if you're able to replicate.
- Doesn't software-detect my devices plugged into all Ethernet ports (seems to be better at ports 1 and 3) (the devices work, can connect to Internet, but the Xfinity technician couldn't see them and the Xfinity portal and Xfinity app don't show the devices)
- DMZ function doesn't work ("We're Having Some Trouble" - weird word-capitalization - and "Please try again. If the problem persists, check back later.")
- Port Forwarding doesn't work (either can't find my devices - see first bullet - or "We're Having Some Trouble" - weird word-capitalization - and "Please try again. If the problem persists, check back later.")
- Can't turn off "Xfinity Wifi Hotspot Network" ("There was an error. Try again or check back later.")
- DHCP lease time set in Router menu ("10.0.0.1", though I changed mine) does not propagate to Server (I changed it from default of 2 days to 1 day in Router mentu, does not reflect in App menu or internet.xfinity.com)
Also, the two XB8s I've had each have a USB-C port on the back of them. It is unclear whether these are power-only or offer additional functionality.
As a result of the USB-C ports, the manual mentioned previously in the forums (https://fccid.io/UIDTG4482/Users-Manual/Users-Manual-4676983) is not necessarily correct (it's also for a TG4492A not TG4482A). The proper TG4482A manual (FCC ID G954981X) is:
https://fccid.io/G954981X/Users-Manual/User-Manual-5542915
There are three on the FCC page (I didn't examine each for differences), that's the latest dated one.
The FCC page is:
XfinityRyanE
Official Employee
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1.1K Messages
2 years ago
Hello @bpleat, thanks for reaching out to express your concerns and share your experience with the XB8 modem. We do have a couple of known issues with the XB8, but nothing related to what you posted here.
I would like to take a look at your account in more detail but will need some of your information to get a closer look. To get started, please use the chat icon in the upper right to enter Direct Messaging and send us a message with your full name and full address.
Here are the detailed steps to direct message us:
• Click "Sign In" if necessary
• Click the "direct messaging" icon (upper right corner of this page)
• Click the "New message" (pencil and paper) icon
• Type "Xfinity Support" in the to line and select "Xfinity Support" from the drop-down list
• Type your message in the text area near the bottom of the window
• Press Enter to send your message
Please let me know if you have any questions or run into any problems.
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bpleat
Visitor
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3 Messages
2 years ago
More issues:
Let's Try That Again
Looks like that page didn't load.
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bpleat
Visitor
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3 Messages
2 years ago
You directed me to a chat service where the response time is so slow as to be useless. Would appreciate technical help HERE.
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user_a3190b
Visitor
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1 Message
2 years ago
I also have problem with DMZ in the XB8 ... It was working before when I first get the XB8... and few months back ... I believe there is a FW update pushed to XB8 and since then it doesn't work anymore.
Once I enabled the DMZ ... my router is no longer able to grant DHCP to any client....
I have tried ASUS router & Netgear router both experience the same issue.
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