Connect VMs directly from host using Qemu-monitor

There are many aspects of connecting a virtual machine directly from a physical machine, such as a bridge, Iptables way

An interesting way to see it recently is to access the VM through the settings of QEMU Monitor, and libvirt the control of monitor scoket, so it can be manipulated by the Virsh command.

# Virsh Qemu-monitor-command--hmp instance-00000186 ' help Hostfwd_add '
hostfwd_add [vlan_id name] [tcp|udp]:[ Hostaddr]:hostport-[guestaddr]:guestport--redirect TCP or UDP connections from host to guest (requires-net user)

Finally, let's look at the results:

# Virsh Qemu-monitor-command--hmp instance-0000018 ' hostfwd_add:: 2222-:22 '
# ssh-p 2222 localhost
password:< C3/>last login:tue 10:28:38 from 192.168.5.73
linux-wllabs:~ #