Sam's Tech Blog

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2019-08-21

What is vnet

vnet interfaces are types of virtual interfaces called tap interfaces.

What is vnet

vnet interfaces are types of virtual interfaces called tap interfaces. They are attached to a process (in this case the process running the qemu-kvm emulator). What the process writes to that interface will appear as having been received on that interface by the host and what the host transmits on that interface is available for reading by that process. qemu typically uses it for its virtualized network interface in the guest.