Dynamically assign hosts to VLANs with FAUCET SDN Controller

acls.yaml

acls:
    assign-host-to-experiment-vlan:
        # Send packets from host1 to experiment1 vlan
        - rule:
            eth_src: 2e:f6:43:15:c1:7d  # host1 mac
            actions:
                output:
                  swap_vid: 101         # experiment1 vlan
                allow: 1                # allow
        - rule:
            eth_src: ba:6f:f6:1f:be:37  # host2 mac
            actions:
                output:
                  swap_vid: 102         # experiment2 vlan
                allow: 1                # allow

    assign-to-host-vlan:
        - rule:
            vlan_vid: "0x1000/0x1000"   # match all vlans
            actions:
              force_port_vlan: 1
              output:
                swap_vid: 100           # host vlan
              allow: 1                  # allow

    default_allow:
        # Default allow any other packets to be processed normally
        - rule:
            actions:
              allow: 1                  # allow

    default_drop:
        # Default drop any other packets
        - rule:
            actions:
              allow: 0                  # drop

faucet.yaml

include:
    - acls.yaml

vlans:
    host:
        vid: 100
        description: "Default VLAN when not assigned to an experiment"
        acls_in: [assign-host-to-experiment-vlan, default_allow]
    experiment1:
        vid: 101
        description: "Experiment #1"
    experiment2:
        vid: 102
        description: "Experiment #2"
    experiment3:
        vid: 103
        description: "Experiment #3"

dps:
    sw1:
        dp_id: 0x1
        hardware: "CiscoC9K"
        interfaces:
            1:
                name: "host1"
                description: "host1 container"
                native_vlan: host
            2:
                name: "host2"
                description: "host2 container"
                native_vlan: host
            3:
                name: "host3"
                description: "host3 container"
                native_vlan: host
            4:
                name: "trunk"
                description: "VLAN trunk to sw2"
                tagged_vlans: [host, experiment1, experiment2, experiment3]
                acls_in: [assign-to-host-vlan, default_allow]
    sw2:
        dp_id: 0x2
        hardware: "Allied-Telesis"
        interfaces:
            1:
                name: "server1"
                description: "server1 for experiment #1"
                native_vlan: experiment1
            2:
                name: "server2"
                description: "server2 for experiment #2"
                native_vlan: experiment2
            3:
                name: "server3"
                description: "server3 for experiment #3"
                native_vlan: experiment3
            4:
                name: "server4"
                description: "server4 for experiments #2 and #3"
                tagged_vlans: [experiment2, experiment3]
            5:
                name: "trunk"
                description: "VLAN trunk to sw1"
                tagged_vlans: [host, experiment1, experiment2, experiment3]