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DHCP reservations
I understand we cannot have static IP addresses with xfinity residential accounts. Is this correct? If we can't do this can we at least specify a range of IPs to exclude from the DHCP pool? How would I go about doing this?
EG
Expert
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103.5K Messages
4 years ago
Correct. Only Business Class subscribers can get a statically assigned WAN / public IP addy.
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scersos
New Poster
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3 Messages
4 years ago
Are you talking about a static external IP address? If so, skip this 🙂
If you are referring to internal IP addresses handed out by the xfinity router (DHCP), then it is impossible to simply mark an IP as reserved.
The only work around I have found is to setup port forwarding with an unused port to that device/IP. Then xfininty saves the reservation.
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SkippingMatt
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2 Messages
3 years ago
Logging in directly to the cable modem (on my network its xxx.xxx.0.1) I used to be able to add DHCP reservations and to limit the DHCP pool. However, recently as of the last 6 months or so) I have found that I can't seem to add Reservations, it errors out.
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