IPv6 disabling it does not stop it from showing

Looking for some advice regarding disabling IPv6 IP Addresses on my Macbook Air running on Sequoia 15.0

So when using it for work I cannot log into certain software as the Security of my work does not allow IPv6 only IPv4.

I have followed all of the advice of going into Network settings, selecting TCP/IP and selecting Configure IPv6 and on the dropdown selecting Link- Local only and okay.

The issue is it is still connecting to IPv6 and not IPv4, any ideas around this or is it command console time?

Posted on Sep 19, 2024 2:18 AM

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5 replies

hajekmi

Level 1

14 points

Oct 1, 2024 5:15 PM in response to Random107

Now I found out that even iOS 18 has problems with IPv6. Sometimes it connects and sometimes it doesn't. It looks like there will be a problem with the MTU Path Discovery processing, but it's just under the table :-)

I'll investigate tomorrow...

hajekmi

Level 1

14 points

Oct 1, 2024 11:26 AM in response to Random107

I had the same problem on MacBook PRO M1 PRO, I solved it by restarting the system. We'll see when it stops working again...

Random107 Author

Level 1

4 points

Oct 1, 2024 12:58 PM in response to hajekmi

Thanks still not working for me, tried everything but just can’t get onto my works network that doesn’t accept IPv6 addresses.

Random107 Author

Level 1

4 points

Oct 1, 2024 11:03 PM in response to hajekmi

Thank you appreciated

Random107 Author

Level 1

4 points

Oct 4, 2024 6:51 AM in response to Random107

I think I I might have sorted it, the ICloud Private Relay was hiding the IP address. It seems to work without it being on.

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IPv6 disabling it does not stop it from showing