WAN DHCP

set interfaces ethernet eth1 address dhcp

set interfaces ethernet eth1 ipv6 address autoconf

set interfaces ethernet eth1 dhcpv6-pd pd 0 prefix-length 60

set interfaces ethernet eth0 ipv6 address autoconf

set interfaces ethernet eth0 ipv6 router-advert prefix ::/64

set interfaces ethernet eth0 dhcpv6-pd pd 0 interface eth0 prefix-id :0

set service router-advert interface br0 prefix ::/64 valid-lifetime '172800'