Bonds: used for link aggregation for failover
- after bonding change the vmbr bridge port to bond0 interface
- active-backup: sets the failover with 2 or more interface
Integrated Firewall
Firewall rule in PVE can be applied to the entire node or for virtual machine. Do not enable firewall until it’s properly configured.
By default, the firewall reject all traffic
Source: the IP range for allowed access
Dest. Port: the port on the Proxmox PC
Adding firewall rules in a host will only apply to that host, not the specific CT/VM