DS-Lite IPv6 Issues

[Carls_Car]

Hi all, pretty new to all of this so excuse any presumptions or lack of knowledge on my end. I did a bunch of digging around the forums and I've got my DS-Lite almost working. I'm successfully connected by IPv4! But I'm having issues with IPv6 connectivity. Seems no matter how I configure my WAN/LAN interfaces I cannot get my LAN hosts any IPv6 connectivity. However! I can ping public v6 addresses from my WAN interface successfully.

This is my current setup~
WAN: No IPv4. IPv6=SLAAC. In Interfaces > Overview I get a /64 public v6 address and LL address, gateway shows a different LL which I assume is upstream/ISP. Routes show default, DNS addresses, AFTR address, public /64 delegated prefix, and LL (fe80::%re1/64).

LAN: Static IPv4. IPv6=Track WAN, RA OFF (this is the only way I am able to get public v6 addresses on the LAN interface and LAN connected devices). In Interfaces > Overview I get a /64 public v6 address from same subnet as WAN and LL address, gateway is the same LL address assigned to LAN interface (weird?), only 2 routes to IPv4 subnet and fe80::%re0/64.

With the config above, I get public v6 addresses on my devices (including a temporary v6 address).
Within LAN, I can ping the public v6 addresses between hosts. I can ping the LL address of the LAN interface. I CANNOT ping the public v6 address of the LAN interface from a host. I can't ping LL of LAN to WAN nor from WAN to LAN (error bind: can't assign requested address). I can ping ipv6.google.com from LAN public v6 address but it has a ~40% packet loss.

If I had to guess, there's a routing issue between my LAN and WAN interfaces for IPv6. I get the same public v6 /64 address on my WAN interface if I set it to DHCPv6 and I can still ping ipv6.google.com, but I get no v6 address on the LAN interface nor on my devices no matter how I set my LAN interface.

Any suggestions are welcome!

[franco]

You still want DHCPv6 on WAN as you intend to track your WAN. The SLAAC-track was a workaround for an Israeli ISP as far as I remember that was distributing over PPTP IPv4.


Cheers,
Franco