{
    "address_types": [
        "ipv4",
        "ipv6"
    ],
    "ipv4base": "10.0.0.0",
    "ipv4mask": 24,
    "ipv6base": "fd00::",
    "ipv6mask": 64,
    "link_ip_start": {
        "ipv4": "10.0.0.0",
        "v4mask": 24,
        "ipv6": "fd00::",
        "v6mask": 64
    },
    "lo_prefix": {
        "ipv4": "1.0.",
        "v4mask": 32,
        "ipv6": "2001:DB8:F::",
        "v6mask": 128
    },
    "routers": {
        "r1": {
            "links": {
                "lo": {
                    "ipv4": "auto",
                    "ipv6": "auto",
                    "type": "loopback"
                },
                "r2-link1": {
                    "ipv4": "auto",
                    "ipv6": "auto"
                }
            },
            "bgp": [{
                "local_as": "100",
                "address_family": {
                    "ipv4": {
                        "unicast": {
                            "redistribute": [
                                {"redist_type": "static"}
                             ],
                            "neighbor": {
                                "r2": {
                                    "dest_link": {
                                        "r1-link1": {}
                                    }
                                }
                            }
                        }
                    },
                    "ipv6": {
                        "unicast": {
                            "redistribute": [
                                {"redist_type": "static"}
                             ],
                            "neighbor": {
                                "r2": {
                                    "dest_link": {
                                        "r1-link1": {}
                                    }
                                }
                            }
                        }
                    }
                }
            }

            ],
            "static_routes":[
                {
                   "network":"10.0.0.1/32",
                   "next_hop":"Null0"
                },
                {
                   "network":"10::1/128",
                   "next_hop":"Null0"
                }
            ]
        },
        "r2": {
            "links": {
                "lo": {
                    "ipv4": "auto",
                    "ipv6": "auto",
                    "type": "loopback"
                },
                "r1-link1": {
                    "ipv4": "auto",
                    "ipv6": "auto"
                },
                "r3-link1": {
                    "ipv4": "auto",
                    "ipv6": "auto"
                }
            },
            "bgp": [{
                "local_as": "200",
                "address_family": {
                    "ipv4": {
                        "unicast": {
                            "neighbor": {
                                "r1": {
                                    "dest_link": {
                                        "r2-link1": {}
                                    }
                                },
                                "r3": {
                                    "dest_link": {
                                        "r2-link1": {}
                                    }
                                }
                            }
                        }
                    },
                    "ipv6": {
                        "unicast": {
                            "neighbor": {
                                "r1": {
                                    "dest_link": {
                                        "r2-link1": {}
                                    }
                                },
                                "r3": {
                                    "dest_link": {
                                        "r2-link1": {}
                                    }
                                }
                            }
                        }
                    }
                }
            }
        ]
        },
        "r3": {
            "links": {
                "lo": {
                    "ipv4": "auto",
                    "ipv6": "auto",
                    "type": "loopback"
                },
                "r2-link1": {
                    "ipv4": "auto",
                    "ipv6": "auto"
                },
                "r4-link1": {
                    "ipv4": "auto",
                    "ipv6": "auto"
                },
                "r4-link2": {
                    "ipv4": "auto",
                    "ipv6": "auto"
                },
                "r4-link3": {
                    "ipv4": "auto",
                    "ipv6": "auto"
                },
                "r4-link4": {
                    "ipv4": "auto",
                    "ipv6": "auto"
                },
                "r4-link5": {
                    "ipv4": "auto",
                    "ipv6": "auto"
                },
                "r4-link6": {
                    "ipv4": "auto",
                    "ipv6": "auto"
                },
                "r4-link7": {
                    "ipv4": "auto",
                    "ipv6": "auto"
                },
                "r4-link8": {
                    "ipv4": "auto",
                    "ipv6": "auto"
                }
            },
            "bgp": [{
                "local_as": "300",
                "address_family": {
                    "ipv4": {
                        "unicast": {
                            "neighbor": {
                                "r2": {
                                    "dest_link": {
                                        "r3-link1": {}
                                    }
                                },
                                "r4": {
                                    "dest_link": {
                                        "r3-link1": {},
                                        "r3-link2": {},
                                        "r3-link3": {},
                                        "r3-link4": {},
                                        "r3-link5": {},
                                        "r3-link6": {},
                                        "r3-link7": {},
                                        "r3-link8": {}
                                    }
                                }
                            }
                        }
                    },
                    "ipv6": {
                        "unicast": {
                            "neighbor": {
                                "r2": {
                                    "dest_link": {
                                        "r3-link1": {}
                                    }
                                },
                                "r4": {
                                    "dest_link": {
                                        "r3-link1": {},
                                        "r3-link2": {},
                                        "r3-link3": {},
                                        "r3-link4": {},
                                        "r3-link5": {},
                                        "r3-link6": {},
                                        "r3-link7": {},
                                        "r3-link8": {}
                                    }
                                }
                            }
                        }
                    }
                }
            }
        ]
        },
        "r4": {
            "links": {
                "lo": {
                    "ipv4": "auto",
                    "ipv6": "auto",
                    "type": "loopback"
                },
                "r3-link1": {
                    "ipv4": "auto",
                    "ipv6": "auto"
                },
                "r3-link2": {
                    "ipv4": "auto",
                    "ipv6": "auto"
                },
                "r3-link3": {
                    "ipv4": "auto",
                    "ipv6": "auto"
                },
                "r3-link4": {
                    "ipv4": "auto",
                    "ipv6": "auto"
                },
                "r3-link5": {
                    "ipv4": "auto",
                    "ipv6": "auto"
                },
                "r3-link6": {
                    "ipv4": "auto",
                    "ipv6": "auto"
                },
                "r3-link7": {
                    "ipv4": "auto",
                    "ipv6": "auto"
                },
                "r3-link8": {
                    "ipv4": "auto",
                    "ipv6": "auto"
                }
            },
            "bgp": [{
                "local_as": "400",
                "address_family": {
                    "ipv4": {
                        "unicast": {
                            "neighbor": {
                                "r3": {
                                    "dest_link": {
                                        "r4-link1": {},
                                        "r4-link2": {},
                                        "r4-link3": {},
                                        "r4-link4": {},
                                        "r4-link5": {},
                                        "r4-link6": {},
                                        "r4-link7": {},
                                        "r4-link8": {}
                                    }
                                }
                            }
                        }
                    },
                    "ipv6": {
                        "unicast": {
                            "neighbor": {
                                "r3": {
                                    "dest_link": {
                                        "r4-link1": {},
                                        "r4-link2": {},
                                        "r4-link3": {},
                                        "r4-link4": {},
                                        "r4-link5": {},
                                        "r4-link6": {},
                                        "r4-link7": {},
                                        "r4-link8": {}
                                    }
                                }
                            }
                        }
                    }
                }
            }
        ]
        }
    }
}