Perform A Speed Test; Cable The Modem Router To A Router And Use Bridge Mode - NETGEAR C6250 User Manual

Before you start the self-activation process, make sure that your account number, account
phone number, and login information (your email address or user name and password) are
nearby.
To activate your Internet connection with Comcast XFINITY's self-activation process:

1. Close all web browsers.
2. Launch a web browser.
You are redirected to the XFINITY self-activation page. If you are not redirected to the
XFINITY self-activation page, visit www.comcast.com/activate.
3. Provide your XFINITY credentials and complete the self-activation process.
This process might take up to 15 minutes, during which the modem router reboots a
couple of times.
4. If you are unable to activate your modem router using the XFINITY self-activation process,
call Comcast XFINITY customer service at 1-800-XFINITY (1-800-934-6489).
a. When asked, provide your account information and provide the modem router's
model number and MAC address, which are on the product label on the modem
router.
For more information, see
b. Wait for Comcast XFINITY to confirm that your modem router is active.
c. If you do not get an Internet connection with the modem router, ask Comcast
XFINITY to look for your modem router online, and do one of the following
depending on what Comcast XFINITY tells you about your modem router:
• If the modem router is not visible, Comcast XFINITY can give you instructions to
verify why the modem router does not connect with your high-speed Internet
service.
• If the modem router is visible to Comcast XFINITY, reboot the modem router.
Check your online status again.

Perform a Speed Test

To determine the accurate Internet speed, visit the speed test website of your cable Internet
provider and perform a speed test.
If your actual speed is lower than your subscribed speed, contact your cable Internet
provider.

Cable the Modem Router to a Router and Use Bridge Mode

In the unlikely situation that you want to use the modem router as a cable modem only that
you can connect to an existing router or gateway, you must cable the modem router to the
router or gateway, log in to the modem router, and change its router mode setting. Changing
this setting prevents certain network conflicts that can occur when two devices on the same
network perform routing functions such as network address translation (NAT) and DHCP
AC1600 WiFi Cable Modem Router
Product Label on page 23.
Hardware Overview and Setup
17