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Using S33/34 1Gig port with xFinity internet-only service

  • January 1, 2025
  • 2 replies
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The Many
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S34 activated with xFinity for “internet only” service, no voice. The 1-Gig port does not seem to be useable, at least for my VOIPo service.

  1. Do xFinity settings capture the 1-Gig port, even if xFinity voice is not used?
  2. If they control it, given I don’t use xFinity voice, can I log onto the S34 and somehow open the port for my use? If not, can I request xFinity to release the 1Gig port to me?

I get it that I can work through the various xFinity support options and at some point get this eleveated a time or two to get to someone there who can actually answer my questions and not just read me scripts, but I am hoping an S33/34 user has been through this and can provide practical info first pass.

Thank you, Bill

Best answer by wmbrink

Makes sense. When folks get xFinity internet + phone they must activate the extra port then for their VOIP system, or as you say, configure it  as a business and activate the second port.

Thanks much for the info. I was not looking forward to working with xFinity on it.  :-(

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2 replies

plemans
Juggernaut
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  • plemansJuggernaut
  • Juggernaut
  • 2275 replies
  • January 1, 2025

While the S34 has more than 1 ethernet port, xfinity on supplies 1 public ip address. Unless you pay for a business class line. So you can only connect 1 device to the s34 unfortunately. There’s quite a few modems that run into this issue because of xfinity’s only 1 public ip address. 

Current setup: Netgear CM3000-->Netgear RBE973S-->2.5gig tp-link switch, Xfinity 2.4gig/350mbps
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The Many
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  • wmbrinkThe Many
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  • The Many
  • 1 reply
  • Answer
  • January 1, 2025

Makes sense. When folks get xFinity internet + phone they must activate the extra port then for their VOIP system, or as you say, configure it  as a business and activate the second port.

Thanks much for the info. I was not looking forward to working with xFinity on it.  :-(

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