IPv6

[BERTRAND Joel]

	Hello,

	I have installed a long time ago a diskless workstation running FreeBSD 
9. Today, it runs FreeBSD 11.0-RELEASE-p12.

	When I have installed this workstation, I have disabled IPv6 as IPv6 
connection was done by a slow VPN. Now, I have a full IPv6 access.

	Thus, I have reconfigured my router (NetBSD) to announce IPv6 network 
(rtadvd). All Linux workstations on LAN take a global IPv6 address and 
IPv6 router address. I suppose I have done a mistake on FreeBSD as it 
cannot obtain an address.

root at pythagore:/etc # ifconfig
re0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
         options=201b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,WOL_MAGIC>
         ether d8:cb:8a:7d:10:59
         inet 192.168.10.102 netmask 0xffffff00 broadcast 192.168.10.255
         inet 0.0.0.0 netmask 0xff000000 broadcast 255.255.255.255
         inet6 fe80::dacb:8aff:fe7d:1059%re0 prefixlen 64 tentative 
scopeid 0x1
         nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
         media: Ethernet autoselect (1000baseT <full-duplex>)
         status: active
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
         options=600003<RXCSUM,TXCSUM,RXCSUM_IPV6,TXCSUM_IPV6>
         inet6 ::1 prefixlen 128
         inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2
         inet 127.0.0.1 netmask 0xff000000
         nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
         groups: lo
root at pythagore:/etc # grep ip rc.conf
ip6addrctl_enable="YES"
ip6addrctl_verbose="NO"
ip6addrctl_policy="ipv4_prefer"

	Where is my mistake ?

	Best regards,

	JB