VM Can't connect to Upstream Gateway

[haraldmbs]

I have spent several hours trying to debug why my PFSense VM can't reach the Upstream gateway, from what I have been able to test it appears there is something going wrong between vmbr0 and enp6s0,

I have the IP's ending in 137 and 138, the PFsense is configured to use 138 and the PVE 137

I am both unable to reach 138 from the outside and 138 is unable to reach 129 or anything else on the outside,

 

[Lukas Wagner]

Could you share the VM config from /etc/pve/qemu/<vmid>.conf and your /etc/network/interfaces file?
Have you enabled a firewall for this VM/Node/Cluster?