Mi hanno solo detto DHCP e DHCP6 con prefisso /56.
Comunque anche Netgate non ce l'ha fatta. Dicono che non vedono arrivare l'assegnazione di un gateway. Mi hanno fatto una cattura del traffico e hanno detto che ne devo parlare col provider e poi far loro sapere.
A rendere più difficile il tutto è il fatto che anche l'assegnazione dell'indirizzo non avviene sempre. Dopo alcuni riavvii dell'interfaccia il loro DHCP smette di rispondere ai solleciti, anche per un ora.
Poi ad un certo punto ritorna.
Guardando il log del dhcp6c in debug, vedo che vengono assegnati prefisso, DNS e IP per la track interface, ma nessun gateway.
Aggiunte:
1) quando smetto di ricevere risposta dal dhcp6 del provider l'unica soluzione è riavviare pfsense. Ha a che fare con il DUID?
2) questa volta ho configurato due interfacce come track, con diverso prefix id. Conclusione: hanno entrambe lo stesso indirizzo.
@bast ho una configurazione troppo estesa e complessa per solo pensare di cambiare router. Piuttosto resto senza IPV6 o ripristino il tunnel HE che non mia ha mai dato problemi. E preferirei non tornare a PPPOE per la questione del carico CPU, anche se con if_ppoe sembra molto migliorato
Aggiunta 2:
questo il log di una replica dhcp6 (con ip modificati). Si noti che ho attivato due track interface, con prefix id diversi, ma ottengono entrambe lo stesso IP.
Jun 7 09:02:18 pfSense dhcp6c[23949]: send solicit to ff02::1:2%igb0.835
Jun 7 09:02:18 pfSense dhcp6c[23949]: reset a timer on igb0.835, state=SOLICIT, timeo=11, retrans=120720
Jun 7 09:02:18 pfSense dhcp6c[23949]: receive advertise from fe80::6e3b:6bff:feef:10dc%igb0.835 on igb0.835
Jun 7 09:02:18 pfSense dhcp6c[23949]: get DHCP option client ID, len 14
Jun 7 09:02:18 pfSense dhcp6c[23949]: DUID: 00:01:00:01:2f:d5:f0:a6:a0:36:9f:49:50:08
Jun 7 09:02:18 pfSense dhcp6c[23949]: get DHCP option server ID, len 10
Jun 7 09:02:18 pfSense dhcp6c[23949]: DUID: 00:03:00:01:6c:3b:6b:ef:10:e4
Jun 7 09:02:18 pfSense dhcp6c[23949]: get DHCP option preference, len 1
Jun 7 09:02:18 pfSense dhcp6c[23949]: preference: 255
Jun 7 09:02:18 pfSense dhcp6c[23949]: get DHCP option DNS, len 32
Jun 7 09:02:18 pfSense dhcp6c[23949]: get DHCP option IA_PD, len 41
Jun 7 09:02:18 pfSense dhcp6c[23949]: IA_PD: ID=0, T1=43200, T2=69120
Jun 7 09:02:18 pfSense dhcp6c[23949]: get DHCP option IA_PD prefix, len 25
Jun 7 09:02:18 pfSense dhcp6c[23949]: IA_PD prefix: aaaa:bbbb:1111:2222::/56 pltime=77760 vltime=4295053696
Jun 7 09:02:18 pfSense dhcp6c[23949]: server ID: 00:03:00:01:6c:3b:6b:ef:10:e4, pref=255
Jun 7 09:02:18 pfSense dhcp6c[23949]: Sending Request
Jun 7 09:02:18 pfSense dhcp6c[23949]: a new XID (fe1521) is generated
Jun 7 09:02:18 pfSense dhcp6c[23949]: set client ID (len 14)
Jun 7 09:02:18 pfSense dhcp6c[23949]: set server ID (len 10)
Jun 7 09:02:18 pfSense dhcp6c[23949]: set elapsed time (len 2)
Jun 7 09:02:18 pfSense dhcp6c[23949]: set option request (len 4)
Jun 7 09:02:18 pfSense dhcp6c[23949]: set IA_PD prefix
Jun 7 09:02:18 pfSense dhcp6c[23949]: set IA_PD
Jun 7 09:02:18 pfSense dhcp6c[23949]: send request to ff02::1:2%igb0.835
Jun 7 09:02:18 pfSense dhcp6c[23949]: reset a timer on igb0.835, state=REQUEST, timeo=0, retrans=904
Jun 7 09:02:19 pfSense dhcp6c[23949]: Sending Request
Jun 7 09:02:19 pfSense dhcp6c[23949]: set client ID (len 14)
Jun 7 09:02:19 pfSense dhcp6c[23949]: set server ID (len 10)
Jun 7 09:02:19 pfSense dhcp6c[23949]: set elapsed time (len 2)
Jun 7 09:02:19 pfSense dhcp6c[23949]: set option request (len 4)
Jun 7 09:02:19 pfSense dhcp6c[23949]: set IA_PD prefix
Jun 7 09:02:19 pfSense dhcp6c[23949]: set IA_PD
Jun 7 09:02:19 pfSense dhcp6c[23949]: send request to ff02::1:2%igb0.835
Jun 7 09:02:19 pfSense dhcp6c[23949]: reset a timer on igb0.835, state=REQUEST, timeo=1, retrans=1739
Jun 7 09:02:21 pfSense dhcp6c[23949]: Sending Request
Jun 7 09:02:21 pfSense dhcp6c[23949]: set client ID (len 14)
Jun 7 09:02:21 pfSense dhcp6c[23949]: set server ID (len 10)
Jun 7 09:02:21 pfSense dhcp6c[23949]: set elapsed time (len 2)
Jun 7 09:02:21 pfSense dhcp6c[23949]: set option request (len 4)
Jun 7 09:02:21 pfSense dhcp6c[23949]: set IA_PD prefix
Jun 7 09:02:21 pfSense dhcp6c[23949]: set IA_PD
Jun 7 09:02:21 pfSense dhcp6c[23949]: send request to ff02::1:2%igb0.835
Jun 7 09:02:21 pfSense dhcp6c[23949]: reset a timer on igb0.835, state=REQUEST, timeo=2, retrans=3448
Jun 7 09:02:24 pfSense dhcp6c[23949]: Sending Request
Jun 7 09:02:24 pfSense dhcp6c[23949]: set client ID (len 14)
Jun 7 09:02:24 pfSense dhcp6c[23949]: set server ID (len 10)
Jun 7 09:02:24 pfSense dhcp6c[23949]: set elapsed time (len 2)
Jun 7 09:02:24 pfSense dhcp6c[23949]: set option request (len 4)
Jun 7 09:02:24 pfSense dhcp6c[23949]: set IA_PD prefix
Jun 7 09:02:24 pfSense dhcp6c[23949]: set IA_PD
Jun 7 09:02:24 pfSense dhcp6c[23949]: send request to ff02::1:2%igb0.835
Jun 7 09:02:24 pfSense dhcp6c[23949]: reset a timer on igb0.835, state=REQUEST, timeo=3, retrans=6837
Jun 7 09:02:31 pfSense dhcp6c[23949]: Sending Request
Jun 7 09:02:31 pfSense dhcp6c[23949]: set client ID (len 14)
Jun 7 09:02:31 pfSense dhcp6c[23949]: set server ID (len 10)
Jun 7 09:02:31 pfSense dhcp6c[23949]: set elapsed time (len 2)
Jun 7 09:02:31 pfSense dhcp6c[23949]: set option request (len 4)
Jun 7 09:02:31 pfSense dhcp6c[23949]: set IA_PD prefix
Jun 7 09:02:31 pfSense dhcp6c[23949]: set IA_PD
Jun 7 09:02:31 pfSense dhcp6c[23949]: send request to ff02::1:2%igb0.835
Jun 7 09:02:31 pfSense dhcp6c[23949]: reset a timer on igb0.835, state=REQUEST, timeo=4, retrans=13033
Jun 7 09:02:31 pfSense dhcp6c[23949]: receive reply from fe80::6e3b:6bff:feef:10dc%igb0.835 on igb0.835
Jun 7 09:02:31 pfSense dhcp6c[23949]: get DHCP option client ID, len 14
Jun 7 09:02:31 pfSense dhcp6c[23949]: DUID: 00:01:00:01:2f:d5:f0:a6:a0:36:9f:49:50:08
Jun 7 09:02:31 pfSense dhcp6c[23949]: get DHCP option server ID, len 10
Jun 7 09:02:31 pfSense dhcp6c[23949]: DUID: 00:03:00:01:6c:3b:6b:ef:10:e4
Jun 7 09:02:31 pfSense dhcp6c[23949]: get DHCP option DNS, len 32
Jun 7 09:02:31 pfSense dhcp6c[23949]: get DHCP option IA_PD, len 41
Jun 7 09:02:31 pfSense dhcp6c[23949]: IA_PD: ID=0, T1=43200, T2=69120
Jun 7 09:02:31 pfSense dhcp6c[23949]: get DHCP option IA_PD prefix, len 25
Jun 7 09:02:31 pfSense dhcp6c[23949]: IA_PD prefix: aaaa:bbbb:1111:2222::/56 pltime=77760 vltime=4295053696
Jun 7 09:02:31 pfSense dhcp6c[23949]: dhcp6c Received REQUEST
Jun 7 09:02:31 pfSense dhcp6c[23949]: nameserver[0] 2001:4860:4860::8888
Jun 7 09:02:31 pfSense dhcp6c[23949]: nameserver[1] 2001:4860:4860::8844
Jun 7 09:02:31 pfSense dhcp6c[23949]: make an IA: PD-0
Jun 7 09:02:31 pfSense dhcp6c[23949]: create a prefix aaaa:bbbb:1111:2222::/56 pltime=77760, vltime=86400
Jun 7 09:02:31 pfSense dhcp6c[23949]: add an address aaaa:bbbb:1111:2222:cccc:dddd:3333:5009/64 on lagg0.10
Jun 7 09:02:31 pfSense dhcp6c[23949]: add an address aaaa:bbbb:1111:2222:cccc:dddd:3333:5009/64 on lagg0.40
Jun 7 09:02:31 pfSense dhcp6c[23949]: executes /var/etc/dhcp6c_wan_dhcp6withoutra_script.sh
Jun 7 09:02:31 pfSense dhcp6c[90848]: dhcp6c REQUEST on igb0.835 - running rtsold
Jun 7 09:02:31 pfSense dhcp6c[23949]: script "/var/etc/dhcp6c_wan_dhcp6withoutra_script.sh" terminated
Jun 7 09:02:31 pfSense dhcp6c[23949]: removing an event on igb0.835, state=REQUEST
Jun 7 09:02:31 pfSense dhcp6c[23949]: removing server (ID: 00:03:00:01:6c:3b:6b:ef:10:e4)
Jun 7 09:02:31 pfSense dhcp6c[23949]: got an expected reply, sleeping.
SPETTA SPETTA che sembra che da telefono funzioni...