KVM/Virt-Manager/Qemu Networking

kvm_networking.sh

virsh net-list --all #List networks
virsh net-info default #get details about default network
brctl show 

virsh net-dumpxml default #dump xml of default network
virsh net-dhcp-leases default #check VMs and IPs assigned on the network

#nat.xml - NAT Network
<network>
  <name>natntw</name>
  <forward mode='nat'>
    <nat>
      <port start='1024' end='65535'/>
    </nat>
  </forward>
  <bridge name='virbr1' stp='on' delay='0'/>
  <ip address='192.168.100.1' netmask='255.255.255.0'>
    <dhcp>
      <range start='192.168.100.10' end='192.168.100.254'/>
    </dhcp>
  </ip>
</network>

virsh net-define nat.xml #define the new network
virsh net-start natntw #start NAT network 
virsh net-autostart natntw #autostart NAT network 

#hostonly.xml - Host Only Network