Under System -> Network, Proxmox has two network categories
Linux:
- Simple, lightweight Layer 2 learning bridge
- Part of the Linux kernel since early versions
- Follows traditional Ethernet bridging standards (IEEE 802.1D)
- Minimal feature set focused on basic bridging functionality
Modes
Bridge = Switch
Bond: Combines multiple physical network interfaces into a single logical interface for redundancy and/or increased bandwidth
VLAN: Create little rooms for devices to live in.
Open vSwitch
- Full-featured software switch designed for virtualization
- Userspace and kernel components working together
- Built specifically for cloud and virtualization environments
- Extensive feature set with advanced networking capabilities
Modes
Bridge = Switch
Bond: Combines multiple physical network interfaces into a single logical interface for redundancy and/or increased bandwidth
IntPort = VLAN