Hogie2's profile

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Thursday, July 30th, 2020 9:00 AM

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Xfinity xb7 and AirPort Extreme

I currently have xfinity internet with an xb7 modem/router and an AirPort Extreme. My question is: do I really need the AirPort Extreme since the xb7 can act as a modem and router? Will AirPort Extreme make my wireless faster?
Thanks!

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111.4K Messages

5 years ago

If you are going to hang a stand-alone / separate router like the Airport off of the gateway device, and the gateway is not in *bridge mode*, you are cascading 2 routing devices which results in an undesirable "double NAT" condition on your home network.

Google "double NAT" for info about it's potential pitfalls.

You really should put it in to bridge mode. Here's how;

http://customer.comcast.com/help-and-support/internet/wireless-gateway-enable-disable-bridge-mode

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