Just thinking out loud here but aren't RA messages are sent as link local multicast messages? How can it send them if you disable link local addressing?
On Mon, 5 Sept 2022, 19:14 Ede Wolf, <lis...@nebelschwaden.de> wrote: > Am 05.09.22 um 18:34 schrieb Ede Wolf: > > Hello, > > > > For a simple setup, I've tried to replace radvd with systemds > > IPv6SendRA=true. > > > > Now the link supposed to send the RA of course has both a fixed local as > > well as fixed global (ULA) address. As it happens to be the default gw > > as well. > > > > Since the local address is being configured manually, > > LinkLocalAddressing is consequently set to no > > > > > > Now networkd complains, from the journal: > > > > IPv6PrefixDelegation= is enabled but IPv6 link-local addressing is > > disabled. Disabling IPv6PrefixDelegation=. > > > > > > Not sure what I am overlooking, but the SendRA is meant for other > > clients, not for this link. Otherwise I would have set IPv6AcceptRA to > > true, not IPv6SendRA. > > > > What am I misinterpreting here? > > > > Thanks > > > > Ede > > I may have mixed up terms, something that, however, does not make things > more comprehendable to me. > I am not using DHCPv6, I would just like to announce the prefix via RA > to other clients on that link. So prefix delegation is likely something > else. I've just concluded that from the journal message. > > However, my .network file has no DHCPv6 related stanzas: > > [Match] > Name=brlan > > [Link] > MACAddress=02:... > RequiredForOnline=yes > > [Network] > Description=Bridge > LinkLocalAddressing=no > IPForward=ipv4 > IPForward=ipv6 > IPv6AcceptRA=no > ConfigureWithoutCarrier=true > IgnoreCarrierLoss=true > DHCPServer=yes > IPv6AcceptRA=false > IPv6SendRA=true > > [Address] > Address=192.168.38.1/24 > > [Address] > Address=fe80::38:1/64 > Scope=link > > [Address] > Address=fde3:8b13:f1a5:38::1/64 > Scope=global > > [DHCPServer] > PoolOffset=200 > PoolSize=32 > EmitNTP=yes > NTP=192.168.38.101 > > [IPv6SendRA] > Managed=no > OtherInformation=no > > [IPv6Prefix] > AddressAutoconfiguration=true > Prefix=fde3:8b13:f1a5:38::/64 > >
