{
    "address_types": [
        "ipv6"
    ],

    "ipv6base": "fd00::",
    "ipv6mask": 64,
    "link_ip_start": {

        "ipv6": "fd00::",
        "v6mask": 64
    },
    "lo_prefix": {

        "ipv6": "2001:db8:f::",
        "v6mask": 128
    },
    "switches": {
        "s1": {
            "links": {
                "r0": {
                    "ipv6": "auto",

                    "ospf6": {
                        "area": "0.0.0.3",
                        "hello_interval": 1,
                        "dead_interval": 4,
                        "priority": 98
                    }
                },
                "r1": {
                    "ipv6": "auto",

                    "ospf6": {
                        "area": "0.0.0.3",
                        "hello_interval": 1,
                        "dead_interval": 4,
                        "priority": 99
                    }
                },
                "r2": {
                    "ipv6": "auto",

                    "ospf6": {
                        "area": "0.0.0.3",
                        "hello_interval": 1,
                        "dead_interval": 4,
                        "priority": 0
                    }
                },
                "r3": {
                    "ipv6": "auto",

                    "ospf6": {
                        "area": "0.0.0.3",
                        "hello_interval": 1,
                        "dead_interval": 4,
                        "priority": 0
                    }
                }
            }
        }
    },
    "routers": {
        "r0": {
            "links": {
                "lo": {
                    "ipv6": "auto",
                    "type": "loopback"
                }
            },

            "ospf6": {
                "router_id": "100.1.1.0",
                "neighbors": {
                    "r1": {},
                    "r2": {},
                    "r3": {}
                }
            }
        },
        "r1": {
            "links": {
                "lo": {
                    "ipv6": "auto",
                    "type": "loopback"
                },
                "r3-link0": {
                    "ipv6": "auto",
                    "description": "DummyIntftoR3"
                }
            },

            "ospf6": {
                "router_id": "100.1.1.1",
                "neighbors": {
                    "r0": {},
                    "r2": {},
                    "r3": {}
                }
            }
        },
        "r2": {
            "links": {
                "lo": {
                    "ipv6": "auto",
                    "type": "loopback"
                }
            },

            "ospf6": {
                "router_id": "100.1.1.2",
                "neighbors": {
                    "r1": {},
                    "r0": {}
                }
            }
        },
        "r3": {
            "links": {
                "lo": {
                    "ipv6": "auto",
                    "type": "loopback"
                },
                "r1-link0": {
                    "ipv6": "auto",
                    "description": "DummyIntftoR1"
                }
            },

            "ospf6": {
                "router_id": "100.1.1.3",
                "neighbors": {
                    "r0": {},
                    "r1": {}
                }
            }
        }
    }
}