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We can create a switch using the open source Open vSwitch (OVS) project. It comes with many command line utilities, one of which is ovs-vctl (OVS virtual switch control). These will only be installed if you use the "Ubuntu 14 with OVS by Niky" image.
To add a virtual switch:
Any interface shown in ifconfig can be added as a port to a previously created OVS virtual switch. To add a port to a virtual switch:
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