Release Your IP Address

For Cable Modem Users

1. Shut down your computer.
2. Disconnect the power supply from your cable modem.
3. Disconnect the Ethernet cable from your cable modem.
4. Connect the Ethernet cable for your router (link port) to the cable modem.
5. Connect the Ethernet cable for the port recommended by the router manufacturer to your computer.
6. Turn on the cable modem and allow it to cycle through and lock onto the network (approximately 90 seconds).
7. Turn on your router and allow it to cycle through (approximately 90 seconds) — at this point, the router has obtained a new IP address from us.
8. Turn on your computer. You’ll notice the computer now has the private IP range provided by the router.
9. Configure your router in compliance with the manufacturer's guidelines.

For XFINITY Voice Modem Users

1. Shut down your computer.
2. Disconnect the Ethernet cable from your cable modem.
3. Connect the Ethernet cable for your router (link port) to the cable modem.
4. Connect the Ethernet cable for the port recommended by the router manufacturer to your computer.
5. Power cycle the XFINITY Voice modem by taking a ballpoint pen and lightly depressing the reset button on the back of your modem.
   Warning: Never remove the battery and then disconnect the modem from the power supply to power cycle. Allow it to cycle through and lock on to the network (approximately 90 seconds).
6. Turn on your router and allow it to cycle through (approximately 90 seconds). At this point, the router has obtained an IP address from us.
7. Turn on your computer. You’ll notice the computer now has the private IP range provided by the router.
8. Configure the router in compliance with the manufacturer's guidelines.

If your computer doesn’t obtain a private IP address from your router, find your operating system below and follow the associated steps.

Windows Vista

1. Click Start and then click All Programs.
2. Click Accessories.
3. Right-click Command Prompt.
4. Select Run as Administrator.
5. Type ipconfig/release and then click Enter.

Windows XP/2000

1. Click the Start menu in the lower left-hand corner of the screen and click Run.
2. In the space provided, type ipconfig /release and click ok.
   Note: There is a space between ipconfig and /release.

Mac OS X (10.x)

1. Close any open Internet applications (web browsers, email, etc.).
2. Choose System Preferences from the Apple menu.
3. Choose Network from the View menu.
4. Choose Active Network Ports from the Show menu.
5. Deselect the on check box for the port you use to connect to the Internet (built-in Ethernet, Airport, etc.). 
6. Click Apply Now.

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