Forum Discussion
ipv4/cgnat down again
same thing happened 20 days ago
https://community.t-mobile.com/tv-home-internet-7/ipv4-went-down-90-of-the-internet-is-down-47041support “experts” are clueless, they don't know what dns is, what ipv4 is, what ipv6 is, and don't understand why i can browse ipv6 sites and not ipv4 ones. they don’t know what cgnat is.
i wonder if they are trained for anything else other than billing and how to turn the device on and off.
It is common to refer to CGNAT but I believe the reality is that the solution is in reality 464XLAT. Cross translation of IPv4 to IPv6 & back to IPv4 which is a bit of an evolution over CGNAT. The dual stack solution seems to also take this to a hybrid routing solution depending upon the type of traffic.
The goal is to move forward to IPv6 which would resolve the limitations of IPv4 and would probably eliminate a considerable amount of complexity.
It is common to refer to CGNAT but I believe the reality is that the solution is in reality 464XLAT. Cross translation of IPv4 to IPv6 & back to IPv4 which is a bit of an evolution over CGNAT. The dual stack solution seems to also take this to a hybrid routing solution depending upon the type of traffic.
The goal is to move forward to IPv6 which would resolve the limitations of IPv4 and would probably eliminate a considerable amount of complexity.
well i wish they understood why this happens and how to prevent it. the twitter guy supposedly kicked me out from the tower and when i turned it back on i got an ipv4 again, but last time i did the same as well (although i left it off overnight)
Visita https://whatismyipaddress.com and allow the location and it should provide both the IPv6 & IPv4 addresses from an external perspective. Interesting to see. They have a speed test tool too. It just reported 357.4 down & 43.9 upload speed. A bit of a surprise but sourcing out of Atlanta so maybe not.
iTinkeralot wrote:
Visita https://whatismyipaddress.com and allow the location and it should provide both the IPv6 & IPv4 addresses from an external perspective. Interesting to see. They have a speed test tool too. It just reported 357.4 down & 43.9 upload speed. A bit of a surprise but sourcing out of Atlanta so maybe not.
i'm aware of how to get my ip addresses , but that doesn't help to determine why i'm unable to get them whenever it's down.
I know just sharing that as it provides both the IPv6 and IPv4 and if one or the other was not resolving that might be good to know. I have seen times when there is clearly both cellular signals and clients that have no internet notifications. If i just statically asking the DNS servers I have seen that to be a fix when the DNS is nor resolving through the default DNS via the gateway IP.
