topology.json

{
    "hosts": {
        "h1": {
            "ip": "10.0.1.1/24",
            "mac": "08:00:00:00:01:11",
            "commands": [
                "route add default gw 10.0.1.10 dev eth0",
                "arp -i eth0 -s 10.0.1.10 08:00:00:00:01:00"
            ]
        },
        "h2": {
            "ip": "10.0.2.2/24",
            "mac": "08:00:00:00:02:22",
            "commands": [
                "route add default gw 10.0.2.20 dev eth0",
                "arp -i eth0 -s 10.0.2.20 08:00:00:00:02:00"
            ]
        },
        "h3": {
            "ip": "10.0.3.3/24",
            "mac": "08:00:00:00:03:33",
            "commands": [
                "route add default gw 10.0.3.30 dev eth0",
                "arp -i eth0 -s 10.0.3.30 08:00:00:00:03:00"
            ]
        },
        "h4": {
            "ip": "10.0.4.4/24",
            "mac": "08:00:00:00:04:44",
            "commands": [
                "route add default gw 10.0.4.40 dev eth0",
                "arp -i eth0 -s 10.0.4.40 08:00:00:00:04:00"
            ]
        }
    },
    "switches": {
        "s1": {
            "runtime_json": "pod-topo/s1-runtime.json",
            "program": "build/firewall.json"
        },
        "s2": {
            "runtime_json": "pod-topo/s2-runtime.json"
        },
        "s3": {
            "runtime_json": "pod-topo/s3-runtime.json"
        },
        "s4": {
            "runtime_json": "pod-topo/s4-runtime.json"
        }
    },
    "links": [
        [
            "h1",
            "s1-p1"
        ],
        [
            "h2",
            "s1-p2"
        ],
        [
            "s1-p3",
            "s3-p1"
        ],
        [
            "s1-p4",
            "s4-p2"
        ],
        [
            "h3",
            "s2-p1"
        ],
        [
            "h4",
            "s2-p2"
        ],
        [
            "s2-p3",
            "s4-p1"
        ],
        [
            "s2-p4",
            "s3-p2"
        ]
    ]
}