{
    "ipv4base": "10.0.0.0",
    "ipv4mask": 24,
    "link_ip_start": {"ipv4": "10.0.0.0", "v4mask": 24, "link_local": "disable"},
    "lo_prefix": {"ipv4": "1.0.", "v4mask": 32},
    "routers": {
        "l1": {
            "links": {
                "lo": {"ipv4": "auto", "type": "loopback", "pim": "enable"},
                "i1": {"ipv4": "auto", "pim": "enable"},
                "i6": {"ipv4": "auto", "pim": "enable"},
                "i7": {"ipv4": "auto", "pim": "enable"},
                "r2": {"ipv4": "auto", "pim": "enable"},
                "c1": {"ipv4": "auto", "pim": "enable"}
            },
            "pim": { "join-prune-interval": "5", "keep-alive-timer": 15, "register-suppress-time": 12 },
            "igmp": {
                "interfaces": {
                    "l1-i1-eth1" :{
                        "igmp":{
                            "query": {"query-max-response-time": 40, "query-interval": 5},
                            "version":  "2"
                        }
                    }
                }
            },
            "static_routes": [{
                "network": ["10.0.4.0/24", "10.0.3.1/24"],
                "next_hop": "10.0.12.2"
            },
            {
                "network": ["10.0.1.2/24"],
                "next_hop":  "10.0.2.1"
            }]

        },

        "r2": {
            "links": {
                "lo": {"ipv4": "auto", "type": "loopback", "pim": "enable"},
                "l1": {"ipv4": "auto", "pim": "enable"},
                "f1": {"ipv4": "auto", "pim": "enable"},
                "i3": {"ipv4": "auto", "pim": "enable"}
            },
            "pim": { "join-prune-interval": "5", "keep-alive-timer": 15, "register-suppress-time": 12 },
            "static_routes": [{
                "network": ["10.0.4.0/24","10.0.3.1/24"],
                "next_hop": "10.0.7.1"
            },
            {
                "network": ["1.0.4.11/32", "10.0.2.1/24", "10.0.1.2/24"],
                "next_hop": "10.0.12.1"
            }]
        },
        "f1": {
            "links": {
                "lo": {"ipv4": "auto", "type": "loopback", "pim": "enable"},
                "r2": {"ipv4": "auto", "pim": "enable"},
                "c2": {"ipv4": "auto", "pim": "enable"},
                "i2": {"ipv4": "auto", "pim": "enable"},
                "i8": {"ipv4": "auto", "pim": "enable"}
            },
            "pim": { "join-prune-interval": "5", "keep-alive-timer": 15, "register-suppress-time": 12 },
            "static_routes": [{
                "network": ["10.0.4.0/24","10.0.3.1/24"],
                "next_hop": "10.0.3.1"
	        },
            {
                "network": ["1.0.4.11/32", "10.0.2.1/24", "10.0.1.2/24"],
                "next_hop": "10.0.7.2"
            }]
        },
        "c1": {
            "links": {
                "lo": {"ipv4": "auto", "type": "loopback", "pim": "enable"},
                "c2": {"ipv4": "auto", "pim": "enable"},
                "l1": {"ipv4": "auto", "pim": "enable"},
                "i4": {"ipv4": "auto", "pim": "enable"}
            },
            "pim": { "join-prune-interval": "5", "keep-alive-timer": 15, "register-suppress-time": 12 },
            "static_routes": [{
                "network": ["1.0.4.11/32","10.0.4.2/24", "10.0.3.1/24"],
                "next_hop": "10.0.2.2"
	        }]


        },
        "c2": {
            "links": {
                "lo": {"ipv4": "auto", "type": "loopback", "pim": "enable"},
                "c1": {"ipv4": "auto", "pim": "enable"},
                "f1": {"ipv4": "auto", "pim": "enable"},
                "i5": {"ipv4": "auto", "pim": "enable"}
            },
            "pim": { "join-prune-interval": "5", "keep-alive-timer": 15, "register-suppress-time": 12 },
            "static_routes": [
            {
                "network": ["1.0.4.11/32", "10.0.2.1/24", "10.0.1.2/24"],
                "next_hop": "10.0.3.2"
            }]
        },
        "i1": {
            "links": {
                "l1": {"ipv4": "auto"}
            }
        },
        "i2": {
            "links": {
                "f1": {"ipv4": "auto"}
            }
        },
        "i3": {
            "links": {
                "r2": {"ipv4": "auto"}
            }
        },
        "i4": {
            "links": {
                "c1": {"ipv4": "auto"}
            }
        },
        "i5": {
            "links": {
                "c2": {"ipv4": "auto"}
            }
        },
        "i6": {
            "links": {
                "l1": {"ipv4": "auto"}
            }
        },
        "i7": {
            "links": {
                "l1": {"ipv4": "auto"}
            }
        },
        "i8": {
            "links": {
                "f1": {"ipv4": "auto"}
            }
        }
    }
}