vlans:
    office:
        vid: 100
dps:
    sw1:
        dp_id: 0x1
        hardware: "Open vSwitch"
        stack:
            priority: 1
        interfaces:
            1:
                stack:
                    dp: sw2
                    port: 1
            2:
                native_vlan: office
    sw2:
        dp_id: 0x2
        hardware: "Open vSwitch"
        interfaces:
            1:
                stack:
                    dp: sw1
                    port: 1
            2:
                native_vlan: office