{
    "ipv4base": "10.0.0.0",
    "ipv4mask": 24,
    "link_ip_start": {
        "ipv4": "10.0.0.0",
        "v4mask": 24
    },
    "lo_prefix": {
        "ipv4": "1.0.",
        "v4mask": 32
    },
    "routers": {
        "r1": {
            "links": {
                "r3": {
                    "ipv4": "10.0.13.1/24",
                    "ipv6": "2013:13::1/64",
                     "ospf": {
                        "area": "1.1.1.1",
                        "hello_interval": 1,
                        "dead_interval": 4,
                        "network": "point-to-point"
                    },
                     "ospf6": {
                        "hello_interval": 1,
                        "dead_interval": 4,
                        "area": "1.1.1.1"
                    }
               }
            },
            "ospf": {
                "router_id": "1.1.1.1",
                "neighbors": {
                    "r3": {}
                }
            },
            "ospf6": {
                "router_id": "1.1.1.1",
                "neighbors": {
                    "r3": {}
                }
            }
        },
        "r2": {
            "links": {
                "r3": {
                    "ipv4": "10.0.23.2/24",
                    "ipv6": "2023:23::2/64",
                     "ospf": {
                        "area": "1.1.1.1",
                        "hello_interval": 1,
                        "dead_interval": 4,
                        "network": "point-to-point"
                    },
                    "ospf6": {
                        "hello_interval": 1,
                        "dead_interval": 4,
                        "network": "point-to-point",
                        "area": "1.1.1.1"
                    }
                },
                "r4": {
                    "ipv4": "10.0.24.2/24",
                    "ipv6": "2034:34::2/64",
                     "ospf": {
                        "area": "0.0.0.0",
                        "hello_interval": 1,
                        "dead_interval": 4,
                        "network": "point-to-point"
                    },
                    "ospf6": {
                        "hello_interval": 1,
                        "dead_interval": 4,
                        "network": "point-to-point",
                        "area": "0.0.0.0"
                    }
                }
            },
            "ospf": {
                "router_id": "2.2.2.2",
                "neighbors": {
                    "r3": {},
                    "r4": {}
                }
            },
            "ospf6": {
                "router_id": "2.2.2.2",
                "neighbors": {
                    "r3": {},
                    "r4": {}
                }
            }
        },
        "r3": {
            "links": {
                "r1": {
                    "ipv4": "10.0.13.3/24",
                    "ipv6": "2013:13::3/64",
                     "ospf": {
                        "area": "1.1.1.1",
                        "hello_interval": 1,
                        "dead_interval": 4,
                        "network": "point-to-point"
                    },
                    "ospf6": {
                        "hello_interval": 1,
                        "dead_interval": 4,
                        "network": "point-to-point",
                        "area": "1.1.1.1"
                    }
                },
                "r2": {
                    "ipv4": "10.0.23.3/24",
                    "ipv6": "2023:23::3/64",
                     "ospf": {
                        "area": "1.1.1.1",
                        "hello_interval": 1,
                        "dead_interval": 4,
                        "network": "point-to-point"
                    },
                    "ospf6": {
                        "hello_interval": 1,
                        "dead_interval": 4,
                        "network": "point-to-point",
                        "area": "1.1.1.1"
                    }
                },
                "r4": {
                    "ipv4": "10.0.34.3/24",
                    "ipv6": "2034:34::3/64",
                     "ospf": {
                        "area": "0.0.0.0",
                        "hello_interval": 1,
                        "dead_interval": 4,
                        "network": "point-to-point"
                    },
                    "ospf6": {
                        "hello_interval": 1,
                        "dead_interval": 4,
                        "network": "point-to-point",
                        "area": "0.0.0.0"
                    }
                }
            },
            "ospf": {
                "router_id": "3.3.3.3",
                "neighbors": {
                    "r1": {},
                    "r2": {},
                    "r4": {}
                }
            },
            "ospf6": {
                "router_id": "3.3.3.3",
                "neighbors": {
                    "r1": {},
                    "r2": {},
                    "r4": {}
                }
            }
        },
        "r4": {
            "links": {
                "r2": {
                    "ipv4": "10.0.24.4/24",
                    "ipv6": "2024:24::4/64",
                     "ospf": {
                        "area": "0.0.0.0",
                        "hello_interval": 1,
                        "dead_interval": 4,
                        "network": "point-to-point"
                    },
                    "ospf6": {
                        "hello_interval": 1,
                        "dead_interval": 4,
                        "network": "point-to-point",
                        "area": "0.0.0.0"
                    }
                },
                "r3": {
                    "ipv4": "10.0.34.4/24",
                    "ipv6": "2034:34::4/64",
                     "ospf": {
                        "area": "0.0.0.0",
                        "hello_interval": 1,
                        "dead_interval": 4,
                        "network": "point-to-point"
                    },
                    "ospf6": {
                        "hello_interval": 1,
                        "dead_interval": 4,
                        "network": "point-to-point",
                        "area": "0.0.0.0"
                    }
                },
                "r5": {
                    "ipv4": "10.0.45.4/24",
                    "ipv6": "2045:45::4/64",
                     "ospf": {
                        "area": "2.2.2.2",
                        "hello_interval": 1,
                        "dead_interval": 4,
                        "network": "point-to-point"
                    },
                    "ospf6": {
                        "hello_interval": 1,
                        "dead_interval": 4,
                        "network": "point-to-point",
                        "area": "2.2.2.2"
                    }
                }
            },
            "ospf": {
                "router_id": "4.4.4.4",
                "neighbors": {
                    "r2": {},
                    "r3": {},
                    "r5": {}
                }
            },
            "ospf6": {
                "router_id": "4.4.4.4",
                "neighbors": {
                    "r2": {},
                    "r3": {},
                    "r5": {}
                }
            }
        },
        "r5": {
            "links": {
                "r4": {
                    "ipv4": "10.0.45.5/24",
                    "ipv6": "2045:45::5/64",
                     "ospf": {
                        "area": "2.2.2.2",
                        "hello_interval": 1,
                        "dead_interval": 4,
                        "network": "point-to-point"
                    },
                    "ospf6": {
                        "hello_interval": 1,
                        "dead_interval": 4,
                        "network": "point-to-point",
                        "area": "2.2.2.2"
                    }
                }
            },
            "ospf": {
                "router_id": "5.5.5.5",
                "neighbors": {
                    "r4": {}
                }
            },
            "ospf6": {
                "router_id": "5.5.5.5",
                "neighbors": {
                    "r4": {}
                }
            }
        }
    }
}