Answering myself. There is an option PrefixDelegationHint in DHCPv6 section.
Vitalii On Fri, Nov 10, 2023 at 7:24 AM Vitalii Aksonov <vitaliy.aksyo...@gmail.com> wrote: > Hi. > > I configured a new server and decided to use systemd-networkd for network > configuration. > Server is running on Debian 12.2 and the systemd version is 252 > (252.17-1~deb12u1). > > I'd like to use DHCPv6 prefix delegation. Specifically - prefix length > hint. > > I couldn't find it in systemd.network man. Looks like I need to use DHCPv6 > SendOption parameter for that. But what exactly needs to be set there? > > Thanks, > Vitalii >