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905d4eb36e
The systemd DHCPv6 client requires a hardware address only to
determine the IAID; NM always overrides the IAID with its own and
therefore the hwaddr is not used.
Removing such requirement allows DHCPv6 to run over PPP, which is
useful with DHCPv6-PD to get a prefix from the ISP.
To test this, I set up a server with pppoe-server, radvd and the Wide
DHCPv6 server providing an address and a prefix. On the client, NM was
able to obtain a prefix using both dhcp=dhclient and dhcp=systemd.
Note that if there is no hardware address and you specify
ipv6.dhcp-duid=ll or ipv6.dhcp-iaid=mac, a warning will be emitted and
NM will use a random DUID/IAID.
https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/issues/478
(cherry picked from commit
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| .. | ||
| tests | ||
| meson.build | ||
| nm-dhcp-client-logging.h | ||
| nm-dhcp-client.c | ||
| nm-dhcp-client.h | ||
| nm-dhcp-dhclient-utils.c | ||
| nm-dhcp-dhclient-utils.h | ||
| nm-dhcp-dhclient.c | ||
| nm-dhcp-dhcpcanon.c | ||
| nm-dhcp-dhcpcd.c | ||
| nm-dhcp-helper-api.h | ||
| nm-dhcp-helper.c | ||
| nm-dhcp-listener.c | ||
| nm-dhcp-listener.h | ||
| nm-dhcp-manager.c | ||
| nm-dhcp-manager.h | ||
| nm-dhcp-nettools.c | ||
| nm-dhcp-options.c | ||
| nm-dhcp-options.h | ||
| nm-dhcp-systemd.c | ||
| nm-dhcp-utils.c | ||
| nm-dhcp-utils.h | ||