question on PPPoEv6

[vir0020]

How do I use it as if I turn on the PPPoEv6 I don't get an IP address. but if i choose DHCPv6 and then for the LAN IPV6 to track interface then i get an IP but is that the correct way in doing so?

[bartjsmit]

is that the correct way in doing so?

Standard engineer answer - it depends 

If your ISP gives you a /64 (static or dynamic) then tracking WAN is most likely okay ('correct' may not be an appropriate term). However that marks your ISP as a bit of a dinosaur since there are plenty of IPv6 addresses for every subscriber to get at least a static /56 delegation. The IPv6 address space is enormous, to quote Douglas Adams: https://libquotes.com/douglas-adams/quote/lbw4b6d

I would make a fuss and consider voting with your feet.

If they're not and you do get a static delegation of more than one subnet (remember all IPv6 subnets behind your firewall need to be /64) then you can assign LAN a static IP and pass that to all LAN computers using RADVD and SLAAC.

Bart...

[franco]

I've recently added https://docs.opnsense.org/manual/ipv6.html#ipv6-modes to make clear what IPv6 modes actually do. The truth is it really really depends on the ISP. Especially with PPPoE in the mix it can be confusing...


Cheers,
Franco