W7200 with Xfinity gateway in bridge mode

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W7200 with Xfinity gateway in bridge mode

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
W7200 with Xfinity gateway in bridge mode
W7200 with Xfinity gateway in bridge mode
2021-11-24 01:05:45

Is it possible to set up the W7200 mesh with an Xfinity CGM4331COM gateway in bridge mode?

How would you configure the DNS server and do port forwarding?

Thank you.

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#1
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Re:W7200 with Xfinity gateway in bridge mode
2021-11-24 01:54:20 - last edited 2021-11-24 01:54:34

@Goldheart 

Hi, yes, it would work with Xfinity CGM4331COM gateway when Xfinity gateway is in bridge mode.

As for how to configure the DNS and port forwarding, please have a look at the following links:

2022 TP-Link Wi-Fi 7 Product Launch Event | Watch the Replay at https://www.tp-link.com/us/wifi7/event/.
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#2
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Re:W7200 with Xfinity gateway in bridge mode
2021-11-24 02:10:51

@TP-Link 

The DNS and forwarding worked.  I especially wanted to bypass the Comcast DNS.

I'm not sure if I need to bother with bridge mode?  Would there be any advantage to using it?

Thanks again!

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#3
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Re:W7200 with Xfinity gateway in bridge mode
2021-11-24 02:47:36

@Goldheart 

Hi, if the Xfinity gateway is on the router mode as Deco W7200, you will have a double NAT issue which is to say, if there is a local server behind Deco, you will have to open ports twice, first on Xfinity, then on Deco.

Since your mention that port forwarding is working already, I think there is no need to bother with bridge mode anymore.

 

2022 TP-Link Wi-Fi 7 Product Launch Event | Watch the Replay at https://www.tp-link.com/us/wifi7/event/.
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Re:W7200 with Xfinity gateway in bridge mode
2021-11-24 03:11:53

@TP-Link 

Looks like you're right, ran a port check and it shows closed.

I tried to set up bridge mode earlier today but could not connect the w7200 after enabling it.  Light flashed red.  Any ideas?

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#5
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Re:W7200 with Xfinity gateway in bridge mode
2021-11-24 03:24:09

@Goldheart 

There might be two possible reasons:

1. the Xfinity might use PPPoE connection on their gateway and when setting up their gateway as a bridge mode, you might configure PPPoE broadband connection on W7200, but it is very rare for cable service.

2. the Xfinity service might lock a particular MAC address to their internet service.

--normally, you could reboot the Xfinity gateway and check the LED light later on Deco; otherwise, you might need to contact Xfinity to unbind the MAC for you.

2022 TP-Link Wi-Fi 7 Product Launch Event | Watch the Replay at https://www.tp-link.com/us/wifi7/event/.
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