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Hetzner - IPV6 Not rechable
I have Debian stretch installed on Hetzner Dedi. Fresh install. I checked that an IPv6 is activated, but, when I try to ping/ ssh to the server via IPV6, it does not respond. Any help is appreciated:
Here is my /etc/network/interfaces config....
root@Debian-94-stretch-64-minimal ~ # cat /etc/network/interfaces
Hetzner Online GmbH installimage
source /etc/network/interfaces.d/*
auto lo
iface lo inet loopback
iface lo inet6 loopback
auto enp2s0
iface enp2s0 inet static
address 46.4.XX.XX
netmask 255.255.255.192
gateway 46.4.19.65
# route 46.4.19.64/26 via 46.4.19.65
up route add -net 46.4.19.64 netmask 255.255.255.192 gw 46.4.19.65 dev enp2s0
iface enp2s0 inet6 static
address 2a01:X4X8:XXX:XXXX::2
netmask 64
gateway fe80::1
Comments
First of all.. I banned IPv6 from my hetzner machines. It was a lot of work to make it work, but I had several problems later on (mainly caused by openvpn), so i dropped the config.
When I had it on my host I installed bridge-utils and got the following settings which made the machine reachable via ipv6:
of course youll have to change the settings for the bridge_ports accordingly
Have a look at this topic too
I had an issue with IPv6 on one of my dedis with them - opened a ticket and they fixed it as it was a routing issue.
Seems it was a temp issue with the network, my host is reachable via IPV6.
I was interested in Proxmox, and seems like your referenced topic is relevant. I will go through that and try to get the same setup on a guest OS.
Thanks
So I got ProxMox Installed. I created a Debian Guest VM. But, I have no connectivity on the guest. I am trying to see if I can get the guest vms (multiple) be accessible via IPv6 because of the /64 subnet available
Host Settings (it is reachable via both ipv4 and IPv6 (2a01:4f8:XXXX:XXXX::2) without issues.
On Guest:
Not sure what I am doing wrong. The Guest can SSH to my host via ipv6 (::2).
Thanks
you're lacking a gateway on the guest (should be your hosts) and most likely need to enable ipv6 forwarding on the host (sysctl)
i added the gateway (hosts ipv6 ip).
Also, here is the op of sysctl -p on host:
root@Debian-94-stretch-64-minimal ~ # sysctl -p net.ipv4.ip_forward = 1 net.ipv6.conf.all.forwarding = 1
Thanks