RedEye #3: AirPort Utility 5.x – Reserving an IP address for a client on your local network

Over time, a device’s Internet Protocol (IP) address can change unless you establish a reserved address within your router. With a reserved IP address, RedEye can maintain a reliable communications link with the device (client).


Log onto the AirPort Extreme


Launch AirPort Utility 5.x.

  1. Select your router.
  2. Click Manual Setup

Navigate to the Internet options


Click Internet.

View the current DHCP settings


Click DHCP.

Add a new DHCP Reservation


Click plus to add a DHCP Reservation.

Name your new device

  1. Enter a Description.
  2. Ensure that MAC Address is selected
  3. Click Continue.

Reserve the IP address

  1. Enter your client’s MAC Address.
  2. Enter your desired IPv4 Address.
  3. Click Done.

Update the AirPort Extreme

  1. Your newly added IP client will be in the DHCP Reservations list.
  2. Click Update. The router will go off-line for a minute or so while it saves your changes.



The router’s icon will disappear while being updated. Quit AirPort Utility.