DHCPv6 PD over GRE tunnel

Any idea how I could configure a DHCPv6 server that would delegate a prefix over GRE tunnel to another vyos server?

Hello @dnwk,

You can use dhcpv6-relay:

set service router-advert interface eth0 managed-flag
set service router-advert interface tunX prefix ::/64


set service dhcpv6-relay listen-interface eth1 address 'fd00:1::1' <- Client address and interface
set service dhcpv6-relay max-hop-count '2'
set service dhcpv6-relay upstream-interface tunX address '2001:1111:1111:1111::1' <- DHCPv6 server address

For information:

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