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14.14. Managing Virtual Networks
This section covers managing virtual networks with the
virsh command. To list virtual networks:
# virsh net-list
This command generates output similar to:
# virsh net-list Name State Autostart ----------------------------------------- default active yes vnet1 active yes vnet2 active yes
To view network information for a specific virtual network:
# virsh net-dumpxml NetworkName
This displays information about a specified virtual network in XML format:
# virsh net-dumpxml vnet1
<network>
<name>vnet1</name>
<uuid>98361b46-1581-acb7-1643-85a412626e70</uuid>
<forward dev='eth0'/>
<bridge name='vnet0' stp='on' forwardDelay='0' />
<ip address='192.168.100.1' netmask='255.255.255.0'>
<dhcp>
<range start='192.168.100.128' end='192.168.100.254' />
</dhcp>
</ip>
</network>
Other
virsh commands used in managing virtual networks are:
virsh net-autostart network-name— Autostart a network specified as network-name.virsh net-create XMLfile— generates and starts a new network using an existing XML file.virsh net-define XMLfile— generates a new network device from an existing XML file without starting it.virsh net-destroy network-name— destroy a network specified as network-name.virsh net-name networkUUID— convert a specified networkUUID to a network name.virsh net-uuid network-name— convert a specified network-name to a network UUID.virsh net-start nameOfInactiveNetwork— starts an inactive network.virsh net-undefine nameOfInactiveNetwork— removes the definition of an inactive network.
