Configure DHCP Reservations on your ZyXEL C1100Z modem

DHCP Reservations leases a permanent DHCP allocated address to a client.
Modem Advanced Step 1-3
  1. Connect a device directly to your modem.
  1. Open a web browser and go to
  1. Login to your modem by entering the Admin Username and Admin Password, then select "Apply." If your modem is using the default settings, this information is located on the modem sticker.
Learn more about password security best practices.
  1. Select "Advanced Setup."
  1. Select "DHCP Reservation."
  1. From here you can view or edit the "DHCP Reservation" settings.
If you are having trouble connecting new devices to your modem, disable DHCP reservations and remove all devices from the list at the bottom of the page.
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