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IPv6 and Apple Music slowdowns?

Recently, I subscribed to Apple Music. I had a trial period of 5 months and iTunes worked fine. After I started the subscription, iTunes, and Apple Music, slowed to a crawl where playing music or any type of downloads would take maybe 5-10 minutes. Just populating its 4 sections would not populate, except for the local music library. But the Local Library would play music normally, if previously downloaded.
I discovered I could disable IPv6 and the performance would return to normal.
I read Apple likes to use IPv6 with a Stateful instead of Stateless which Spectrum uses. I will assume, for the time being, this situation is causing the slow downs because the IPv6 was trying to connect and keeping from the IPv4 from taking over.
So, I am wondering if I am correct in what I believe and if so, does Spectrum plan on addressing this situation? I have reported this to Apple Music but they probably were already aware.
Thanks for reading.
Replies
Good evening @Saltgrass
Thank you for reaching out to us about the concerns you are experiencing with Apple Music. I have checked and I am not seeing any known concerns at this time. Are you able to disconnect from the internet with your mobile phone to see if you are still noticing this? Is this happening with all devices or just one device?
-Lyn
I have a Windows 11 Desktop system involved. The iPhone is normal but I don't know if it uses IPv6.
I have confirmation from another user on the Apple community of this situation.
I assume I have to use the IPv6 settings Spectrum requires.
Connection type Native
DHCP-PD Enabled
Auto Configuration Stateless
IPv6 DNS Enable
Enable Router Advertisement Enable
Thanks for the response.
I found a workaround. It seems Windows favors IPv6 over IPv4 but there is a way to change that. It is a Registry change for Advanced Users, as the link implies.
Go to the site below and follow the instructions for giving IPv4 priority over IPv6
Configure IPv6 for advanced users - Windows Server | Microsoft Learn
If you follow the instructions, I suggest you make note of the process so you can reverse it in the future, if that becomes necessary.