Linux kvm private virtual switch with libvirtd

Linux kvm private switch

Create a network xml file


<network>
  <name>privatenet</name>
  <bridge name="privatebr0" />
</network>

Import the network xml file

# virsh net-define /tmp/privatenet.xml 
Network privatenet created from /tmp/privatenet.xml

Verify that the network is created in libvirt



[root@vicky networks]# virsh net-list --all
Name                 State      Autostart
-----------------------------------------
default              active     yes       
privatenet           active     no        

[root@vicky networks]# virsh net-info privatenet
Name            privatenet
UUID            b13de960-72cc-4f66-32df-432ce2e45538
Active:         yes
Persistent:     no
Autostart:      no
Bridge:         privatebr0

Enable auto-start

virsh # net-list
Name                 State      Autostart
-----------------------------------------
default              active     yes       

virsh # net-list --all
Name                 State      Autostart
-----------------------------------------
default              active     yes       
privatenet           inactive   no        

virsh # net-start privatenet
Network privatenet started

virsh # net-autostart privatenet
Network privatenet marked as autostarted

virsh #

Start virt-manager

Add the virtual switch to an existing domain or use it for a new domain.

Start the domain
Start the domain in virt-manager or by virsh

# virsh
Welcome to virsh, the virtualization interactive terminal.

Type:  'help' for help with commands
       'quit' to quit

virsh # list --all
 Id Name                 State
----------------------------------
  - centos6              shut off
  - debian               shut off
  - fed1                 shut off
  - fed2                 shut off
  - mywin                shut off
  - sol10                shut off

virsh # start fed1
Domain fed1 started

virsh #