A Virtual Ethernet Adapter (VEA) is a software-based network interface that emulates a physical Ethernet adapter. It allows multiple virtual machines (VMs) or containers to share a single physical network interface, or to create a virtual network between them.
A virtual Ethernet adapter works by:
| Use Case | Description | |----------|-------------| | | Each VM gets one or more virtual adapters for network access. | | Cloud data centers | AWS, Azure, GCP use virtual adapters for tenant isolation. | | Network simulation | Tools like GNS3, EVE-NG emulate entire networks. | | Testing and development | Sandbox network configurations without hardware. | | Live migration | Virtual adapter state can be moved between physical hosts. | | Software-defined networking (SDN) | OpenFlow, OVS enable programmable virtual adapters. | virtual ethernet adapter
A is a software-based emulation of a physical Ethernet network interface card (NIC). It provides network connectivity to virtual machines (VMs), containers, and other virtualized environments by allowing them to send and receive Ethernet frames without requiring dedicated physical hardware. Virtual Ethernet adapters are fundamental to modern cloud computing, virtualization platforms (e.g., VMware, Hyper-V, KVM), and container runtimes (e.g., Docker). A Virtual Ethernet Adapter (VEA) is a software-based