Might be. I will have to ask again :)
Yes, If I apply a different mac to my vmbr0 bridge it breaks the server. If I change the mac on vmbr1 it continues to reply to ping.
I'm at my wits end with this issue.
I have about 15 ip's on a /24. My proxmox host works fine. I can't get my VM's to have internet access no matter what I try. I can add the same external IP to a linux bridge and ping it from an external source (very odd). My hosting company provided me...