qemu - 如何使用 virsh 创建 Tap 设备？

Question

这是使用 qemu-kvm 管理工具创建的配置文件的片段。如何使用 VMM 或 virsh 创建相同的配置？

[net]
  type = "nic"

[net]
  type = "tap"
  script = "/etc/ovs-ifup"
  downscript = "/etc/ovs-ifdown"

Answer 1

This configuration file indicates that you're using OpenVSwitch to manage virtual network ports for you KVM virtual machines.

Refer to this article for howtos and how it creates/destroy virtual network ports.

You can use this command to create and then enable new tap device vnetX: ip tuntap add dev vnetX mode tap ip link set up dev vnetX