Proxmox + OPNsense + IPv6
... / Proxmox + OPNsense + IPv6
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Question

Proxmox + OPNsense + IPv6

by
ChristopheV
Created on 2020-06-25 19:35:25 (edited on 2024-09-04 14:25:41) in Dedicated Servers

Hi @all,

i managed to set up all of my Failover-IP to use them in OPNsense which is hosted on a PROXMOX PVE. I tried setting up IPv6 whith in PROXMOX by using an How-To i found some days ago https://forum.proxmox.com/threads/opnsense-pfsense-ipv6-and-vips-vips-not-routable-ovh-network.59711/ an according to OVHs IPv6-configuration.

My /etc/network/interfaces looks like this:

auto vmbr0
iface vmbr0 inet static
address XX.XX.XX.XX/24
gateway XX.XX.XX.254
bridge-ports eno1
bridge-stp off
bridge-fd 0
#WAN

iface vmbr0 inet6 static
address XXXX:XXXX:XXX:XXXX::1/64
gateway XXXX:XXXX:XXXX:XXff:ff:ff:ff:ff
post-up /sbin/ip -f inet6 route add XXXX:XXXX:XXXX:XXff:ff:ff:ff:ff dev vmbr0
post-up /sbin/ip -f inet6 route add default via XXXX:XXXX:XXXX:XXff:ff:ff:ff:ff
pre-down /sbin/ip -f inet6 route del default via XXXX:XXXX:XXXX:XXff:ff:ff:ff:ff
pre-down /sbin/ip -f inet6 route del XXXX:XXXX:XXXX:XXff:ff:ff:ff:ff dev vmbr0

-> net.ipv6.conf.all.forwarding is enabled.

On OPNsense i configured IPv6-WAN-Address to XXXX:XXXX:XXX:XXXX:1000::1/64 with gateway to XXXX:XXXX:XXXX:XXff:ff:ff:ff:ff.

I cant get a ping to any IPv6-Servers, because OPNsense tells me that my IPv6-Gateway ist down.

Has someone done this on an OVH-Server and would like to share his knowledge how to cofigure this in a correct way?

Thanks for your help.

Regards


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