proxmox_ipv6 [Neoon’s Wiki]

proxmox_ipv6 [Neoon’s Wiki]

If you have a Kimsufi Dedicated, you got a full /64 not just /128 which is a single IP, lets use it.

First we need to enable Forwarding on the Node in: /etc/sysctl.conf

net.ipv6.conf.all.forwarding = 1   net.ipv6.conf.all.proxy_ndp = 1  net.ipv6.bindv6only = 1

Add this to the bottom on the file.

Next, we need to add IPv6 to our vmbr2, which the VM should be connected to.

iface vmbr2 inet6 static       address 2601:xxxx:xx:xxx::2       netmask 64       bridge_ports none       bridge_stp off       bridge_fd 0       post-up echo 1 > /proc/sys/net/ipv6/conf/all/proxy_ndp       post-up echo 1 > /proc/sys/net/ipv6/conf/all/forwarding       post-up echo 1 > /proc/sys/net/ipv6/conf/default/forwarding       post-up /sbin/ip -f inet6 neigh add proxy 2601:xxxx:xx:xxx::2 dev vmbr2       post-up /sbin/ip -f inet6 neigh add proxy 2601:xxxx:xx:xxx::3 dev vmbr0       post-up /sbin/ip -f inet6 route add 2601:xxxx:xx:xxx::3 dev vmbr2

The next thing you need to do, restart your network on your Dedi with:

 service networking restart

Now Login into your VM and add this to your /etc/network/interfaces:

iface eth0 inet6 static       address 2601:xxxx:xx:xxx::3       netmask 64       gateway 2601:xxxx:xx:xxx::2

Restart your Networking on the VM:

 service networking restart

If it dosen’t respond after a while, try to Reboot your VM over Proxmox. Now we still need to add IPv6 DNS Server to our /etc/resolv.conf:

2001:4860:4860::8888  2001:4860:4860::8844

These are the IPv6 Nameservers from Google but you can use different ones.

If you run:


You should get a response and you should be able to reach your VM under this IPv6 which you configured earlier.

Sources used: