I’m trying to move from a static IPv6 network to a dynamic allocation from an ISP. The hard part is that some of my hosts have secondary addresses for specific services to use. I need to find a way to listen to router adverts but then manually add an alias with a static lower 64 bits. Looking for suggestions.
FreeBSD’s recent rtsold has a -A option to run a script. I don’t see anything in slaacd or dhcpleased that seems to provide anything like that. Let me know any thoughts you have. Ideally, not rolling my own tool to monitor the interface for a changing primary IPv6 network. - Chris