Bonsoir, 
Depuis quelques jours, j'ai un soucis pour le renew du dhcp6 avec pfsense..
Lire de bas en haut 
Oct 17 18:50:33	dhcp6c	80352	remove an address 2a01::bb02/64 on hn1
Oct 17 18:50:33	dhcp6c	80352	Bypassing address release because of -n flag
Oct 17 18:50:33	dhcp6c	80352	exit without release
Oct 17 18:50:32	dhclient	57804	exiting.
Oct 17 18:50:32	dhclient	57804	connection closed
Oct 17 14:00:41	dhcp6c	80352	dhcp6c Received INFO
Oct 17 14:00:41	dhcp6c	80352	unknown or unexpected DHCP6 option vendor specific info, len 18
Oct 17 14:00:41	dhcp6c	80352	freeing op data at 0x823e973c0
Oct 17 14:00:41	dhcp6c	80352	freeing op data at 0x823e8c070
Oct 17 14:00:41	dhcp6c	80352	freeing op data at 0x823edc390
Oct 17 14:00:41	dhcp6c	80352	freeing op data at 0x823e82048
Oct 17 14:00:41	dhcp6c	80352	Sending Renew
ensuite il n'arrive plus a attraper d'ipv6 : 
Oct 17 19:02:27	dhcp6c	86706	freeing op data at 0x82326a048
Oct 17 19:02:27	dhcp6c	86706	transmit failed: Can't assign requested address
Oct 17 19:02:27	dhcp6c	86706	Sending Solicit
Oct 17 19:02:26	dhcp6c	86706	freeing op data at 0x82327f190
Oct 17 19:02:26	dhcp6c	86706	freeing op data at 0x823274040
Oct 17 19:02:26	dhcp6c	86706	freeing op data at 0x8232c9300
Oct 17 19:02:26	dhcp6c	86706	freeing op data at 0x82326a048
Oct 17 19:02:26	dhcp6c	86706	transmit failed: Can't assign requested address
Oct 17 19:02:26	dhcp6c	86706	Sending Solicit
Oct 17 19:02:25	dhcp6c	86413	freeing op data at 0x82327f050
Oct 17 19:02:25	dhcp6c	86413	freeing op data at 0x823274010
un reboot de pfsense semble corriger les choses... jusqu'au prochain renew.