> 5) If you want network redundancy you can create a 1G vSwitch (VLAN) on the 1G ports for internal use. Give each server a loopback IP, then use BGP to distribute routes (bird).
Are you willing to share example config for that part?
Are you willing to share example config for that part?
You'll need a bit of baseline networking knowledge.
It's not rocket science, but it is complex, and building something complex you don't fully understand for production services can be a very bad idea.