Hello,

i try to use (Centos8) NetworkManager builtin Prefix-Delegation for ipv6. Unfortunately i found no howto is helping me.

i do:

/etc/NetworkManager/NetworkManager.conf:

[main]
dhcp=dhclient

Modify Cons:

nmcli con modify LOKAL1 ipv6.method shared
nmcli con modify LOKAL2 ipv6.method shared
nmcli con modify WAN_TK ipv6.method dhcp

Before these modifications i got over pppoe the public ipv6. Now only ipv4.

These steps are right/necassary.

I see in logs these message:

NetworkManager[5204]: <warn>  [1592929660.5084] device (enp6s0.7.wan): failure to start DHCPv6: missing MAC address

What is todo?

Thanks a lot.

Joe

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