Member OP
Hello, I need help with IPv6 in LXC container.
I make a server up with Proxmox. IPv6 works on host, I can ping outside. Inside container, only IPv4 works. I try disable firewall, no change. I am not expert with NDP, maybe this is problem?
My provider is HostHatch, they give /64. Host gets address fine. Container gets address from SLAAC but no route outside.
Regards
Member
Okay so I had this exact thing and it drove me absolutely insane for like three days and I was pulling my hair out because the host worked fine and the container would get an address and it looked right and I could ping the host from the container and the container from the host and everything seemed fine and I was checking ip6tables and nftables and firewalld and none of it mattered and then I found out about NDP proxy and it turned out that the host was not responding to neighbor discovery for the container because the container is not on the physical interface and the router is asking who has this address and the host knows but does not tell and you have to set up ndppd or proxy_ndp and once I did that it all worked and I felt like an idiot but also relieved and angry that this is not the default and I have seen so many threads about this and it is always NDP and nobody documents it a
