Proxmox host setup instructions for setting up IPv6 using DHCPv6 or static configuration. This configuration example also allows the default port 8006 on 443 so that you can directly access your Proxmox server without typing :8006 in the end.
Proxmox bridge example with static IPv6 and IPv4, change the IPs accordingly
# network interface settings; autogenerated
# Please do NOT modify this file directly, unless you know what
# you're doing.
#
# If you want to manage parts of the network configuration manually,
# please utilize the 'source' or 'source-directory' directives to do
# so.
# PVE will preserve these directives, but will NOT read its network
# configuration from sourced files, so do not attempt to move any of
# the PVE managed interfaces into external files!
auto lo
iface lo inet loopback
iface eno1 inet manual
auto vmbr0
iface vmbr0 inet static
address 192.168.1.10/24
gateway 192.168.1.1
bridge-ports eno1
bridge-stp off
bridge-fd 0
post-up iptables -t nat -A PREROUTING -p tcp -d 192.168.1.10 --dport 443 -j REDIRECT --to-ports 8006
iface vmbr0 inet6 static
address fd00::10/64
gateway fd00::1
accept_ra 2
post-up ip6tables -t nat -A PREROUTING -p tcp -d fd00::10 --dport 443 -j REDIRECT --to-ports 8006
Proxmox bridge example with DHCPv6 for IPv6 and DHCPv4 for IPv4, change the IPs accordingly
# network interface settings; autogenerated
# Please do NOT modify this file directly, unless you know what
# you're doing.
#
# If you want to manage parts of the network configuration manually,
# please utilize the 'source' or 'source-directory' directives to do
# so.
# PVE will preserve these directives, but will NOT read its network
# configuration from sourced files, so do not attempt to move any of
# the PVE managed interfaces into external files!
auto lo
iface lo inet loopback
iface eno1 inet manual
auto vmbr0
allow-hotplug vmbr0
iface vmbr0 inet dhcp
gateway 192.168.1.1
bridge-ports eno1
bridge-stp off
bridge-fd 0
post-up iptables -t nat -A PREROUTING -p tcp -d 192.168.1.10 --dport 443 -j REDIRECT --to-ports 8006
iface vmbr0 inet6 dhcp
gateway fd00::1
accept_ra 2
pre-down dhclient -6 -r vmbr0
post-up ip6tables -t nat -A PREROUTING -p tcp -d fd00::10 --dport 443 -j REDIRECT --to-ports 8006
Finally don't forget to add net.ipv6.conf.vmbr0.accept_ra=2 to your /etc/sysctl.conf file and reboot ProxMox.
Let me know if you have any comments or if there is any error in this guide.