Proxmox VE - IPv6 unstable behind bridge

Today, I had a strange issue with IPv6 on my Proxmox VE based Hypervisors. I configured IPv6 for a customer by using a transfer subnet between our gateway router and the virtuel firewall. Additionally, I’ve routed a /56 subnet to be used by the customer onto the firewall and added a few /64s onto the internal interfaces of the customer. Once I configured static addresses on the servers running behind the firewall, they were able to reach the IPv6 internet without any issues....

September 12, 2022 · 2 min · 269 words · Jan Gilla