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Forum Discussion
Solved
Firmware 12.1.11.10 iPhone disconnects
After quite a good run with the previous firmware, this update is causing issues again with at least my iPhone. It randomly disconnects and most times I can toggle the WIFI on the phone a few times ...
Turns out, if IPV4 is set to manual, automatic DNS doesn't work on iPhone/iPad. The DNS has to be set manually as well. Not sure why this wasn't a problem with v9.13.2.1, but it is now.
I cannot replicate this behavior on my PC as there is not an automatic DNS option, DNS must be set manually when setting a manual IP address.
At any rate, I think this is the solution: when setting a manual IPV4 address on an Apple device, scroll down to the DNS settings and configure the DNS manually as well - Automatic DNS does not work in this case.
I'll write this down to user error, I guess, uncovered by new firmware behavior.
Well we know IPv6 has issues so not focused on that at the moment. What really troubles me is that IPv4 with a manual IP is not working.
Oh WAIT!!! Are you using a manual or automatic config for DNS? I remember a bug, if you set up manual IP address, you MUST MUST MUST have a manual DNS configured - manual IP and automatic DNS will not work!
Is that what you have that won't work with IPv4 by any chance?