< QEMU < Devices
Network devices are somewhat special, since besides being able to add them the standard way,
there's a much easier one to configure them through the -net nic parameter.
Also, please note that -device doesn't suppress the default configuration, so it might not do what you intend.
Adding a card
Simply specifying -net nic on the command line adds an interface.
You can select the hardware being emulated using the model modifier.
Example:
qemu -net nic,model=ne2k_pci ...
Network card models
For PC emulation
| Model | Bus | Speed | Description |
|---|---|---|---|
| e1000 | PCI | 1Gb/s | Intel Gigabit Ethernet |
| i82551 | ? | ? | ? |
| i82557b | ? | ? | ? |
| i82559er | ? | 100Mb/s | ? |
| ne2k_pci | PCI | 10Mb/s | NE2000 |
| ne2k_isa | ISA | 10Mb/s | NE2000 |
| pcnet | PCI | 10Mb/s | AMD Ethernet Card |
| rtl8139 | PCI | 10/100Mb/s | Realtek Fast Ethernet |
| virtio | PCI | 1Gb/s | Virtual High Performance Ethernet card (see Virtio) |
Others emulated architectures
You have to launch this command to list emulated network card
qemu-system-<arch> -net nic,model=?
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