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

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