Frequent Visitor
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11 Messages
ipv6 dns servers and settings
I've used xfinity for 6 years and always had ipv6 connectivity. About 5 months ago I got a new router and used the same settings for ipv6 that my last router used. But I'm not getting ipv6 - all my wifi devices are running at 433mbps. In the past when ipv6 was working wifi devices all ran at 867mbps.
I was using a netgear R6400 router when ipv6 was working. I upgraded to Netgear R6700v3 to get more bandwith because I've added 2 Fire TV sticks.
Andyr1
Gold Problem Solver
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7.9K Messages
3 years ago
The speed should not depend on IPv4 or IPv6. From a computer, you can try doing a "PING GOOGLE.COM" and see if you get an IPv6 or IPv4 address to verify. There are also websites that can check your address externally.
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EG
Expert
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107.1K Messages
3 years ago
Connect the computer directly to the cable modem (no router in the mix), then power cycle the modem. When it fully boots up, try these tests and see if they show IPv6;
http://test-ipv6.com/
https://ipv6-test.com/
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XfinityArmand
Official Employee
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1.8K Messages
3 years ago
Hello there @techaddict! Thanks so much for taking the time to reach out to Xfinity here on our Community Forum. We are so glad to hear from you and ready to assist in any way that we can. I do see once of our experts on hand has suggested how to check on this. Was this of any help to you?
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azdeltawye
Contributor
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68 Messages
3 years ago
You have many options to choose from. Google would probably have the fastest lookup/ping times but not offer any type of malware protection. On the other end of the spectrum you have Quad9 which may have longer ping times but offer more in the way of malware filtering...
Google: 2001:4860:4860::8888, 2001:4860:4860::8844
OpenDNS: 2620:119:35::35, 2620:119:53::53
Cloudflare: 2606:4700:4700::1111,2606:4700:4700::1001
Quad9: 2620:fe::fe, 2620:fe::9
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