Contributor
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217 Messages
IPv6 failing after a few hours w/Netgear Orbi router
Well, this morning I turned IPv6 back on after having it off for around 2 weeks, as I was losing the connection even though all the settings looked fine on the RBR850 web page. I think this is the same issue others have reported, something has broken between Xfinity and Netgear on IPv6 (and neither company seems to be owning up to anything).
I turned IPv6 on at 7:30 today, less than three hours later I checked IPv6 again, and it's failing the IPv6 tests (see picture of one site test). The router web page shows a WAN and LAN IPv6 address, DNS is automatic from ISP, IP address assignment is Auto Config. Everything else is working great on the network. I am running this test from a laptop direct wired to a switch to the modem (Netgear CM1200). I see the same thing from MacOS and from Windows 11 running in a Parallels VM on the same laptop. I am not running any special security or parental controls add-on packages.
So I guess until or unless something comes down as a fix, I am leaving it off. I hope there is some progress in solving this problem, I have seen it for a couple of months as have others on reddit, netgear forums, etc.
CCHeather
Problem Solver
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1.1K Messages
3 years ago
@dawalt Thank you for reaching out to our Digital Care Team. I hate to hear this has been your experience. Are you experiencing an issue with the internet or just showing poor results on the IPv6 testing?
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user_daw312
Contributor
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217 Messages
3 years ago
No, IPv6 is not functional until it is reset, the test just shows the issue. Just a guess, there is an issue getting a new IP address when the lease expires - some interaction issue between the netgear router and comcast. This issue has been reported on these forums, reddit, on netgear forums, DSL reports, and probably more, for a couple of months that I am aware of.
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BruceW
Gold Problem Solver
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26.3K Messages
3 years ago
Release/renew won't do anything useful in the usual case where the system running those commands is downstream from a router or gateway. In fact, it usually won't do anything useful even if the system running those commands is directly connected to a straight cable modem, or to a gateway in bridge mode. They won't hurt anything, but they're not likely to help either.
Please be aware that there are 2 kinds of responses in this Forum: Replies and Comments. When you Comment on a post by scrolling down to "Comment on this post here...", I am notified of your response. But if you select Reply, I am NOT notified and may not be aware of your response.
(edited)
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user_daw312
Contributor
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217 Messages
3 years ago
Yes you are right @BruceW this is about router to comcast, not any device on my network to my router. @XfinityHeather thanks for the reply, I don’t think you have read the problem carefully. Is there any chance you could research this or escalate it since a number of people on different forums have reported this? I Have heard Netgear has contacted Comcast, as this was based on a change Comcast made a little while back. Can you find out anything?
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