{
    "address_types": [
        "ipv4",
        "ipv6"
    ],
    "ipv4base": "20.20.20.0",
    "ipv4mask": 24,
    "ipv6base": "fd00::",
    "ipv6mask": 64,
    "link_ip_start": {
        "ipv4": "10.10.10.0",
        "v4mask": 24,
        "ipv6": "fd00::",
        "v6mask": 64
    },
    "lo_prefix": {
        "ipv4": "1.0.",
        "v4mask": 24,
        "ipv6": "2001:db8:f::",
        "v6mask": 128
    },
    "routers": {
        "r1": {
            "links": {
                "r2-link1": {
                    "ipv4": "auto",
                    "ipv6": "auto",
                    "vrf": "RED"
                }
            },
            "vrfs": [
                {
                    "name": "RED",
                    "id": "1"
                }
            ],
            "bgp": [
                {
                    "local_as": "100",
                    "vrf": "RED",
                    "address_family": {
                        "ipv4": {
                            "unicast": {
                                "neighbor": {
                                    "r2": {
                                        "dest_link": {
                                            "r1-link1": {}
                                        }
                                    }
                                },
                                "redistribute": [
                                    {
                                        "redist_type": "static"
                                    }
                                ]
                            }
                        },
                        "ipv6": {
                            "unicast": {
                                "neighbor": {
                                    "r2": {
                                        "dest_link": {
                                            "r1-link1": {}
                                        }
                                    }
                                },
                                "redistribute": [
                                    {
                                        "redist_type": "static"
                                    }
                                ]
                            }
                        }
                    }
                }
            ]
        },
        "r2": {
            "links": {
                "r1-link1": {
                    "ipv4": "auto",
                    "ipv6": "auto",
                    "vrf": "RED"
                },
                "r3-link1": {
                    "ipv4": "auto",
                    "ipv6": "auto"
                }
            },
            "vrfs": [
                {
                    "name": "RED",
                    "id": "1"
                }
            ],
            "bgp": [
                {
                    "local_as": "200",
                    "address_family": {
                        "ipv4": {
                            "unicast": {
                                "neighbor": {
                                    "r3": {
                                        "dest_link": {
                                            "r2-link1": {}
                                        }
                                    }
                                },
                                "redistribute": [
                                    {
                                        "redist_type": "static"
                                    }
                                ]
                            }
                        },
                        "ipv6": {
                            "unicast": {
                                "neighbor": {
                                    "r3": {
                                        "dest_link": {
                                            "r2-link1": {}
                                        }
                                    }
                                },
                                "redistribute": [
                                    {
                                        "redist_type": "static"
                                    }
                                ]
                            }
                        }
                    }
                },
                {
                    "local_as": "200",
                    "vrf": "RED",
                    "address_family": {
                        "ipv4": {
                            "unicast": {
                                "neighbor": {
                                    "r1": {
                                        "dest_link": {
                                            "r2-link1": {}
                                        }
                                    }
                                },
                                "redistribute": [
                                    {
                                        "redist_type": "static"
                                    }
                                ]
                            }
                        },
                        "ipv6": {
                            "unicast": {
                                "neighbor": {
                                    "r1": {
                                        "dest_link": {
                                            "r2-link1": {}
                                        }
                                    }
                                },
                                "redistribute": [
                                    {
                                        "redist_type": "static"
                                    }
                                ]
                            }
                        }
                    }
                }
            ]
        },
        "r3": {
            "links": {
                "r2-link1": {
                    "ipv4": "auto",
                    "ipv6": "auto"
                }
            },
            "bgp": [
                {
                    "local_as": "300",
                    "address_family": {
                        "ipv4": {
                            "unicast": {
                                "neighbor": {
                                    "r2": {
                                        "dest_link": {
                                            "r3-link1": {}
                                        }
                                    }
                                },
                                "redistribute": [
                                    {
                                        "redist_type": "static"
                                    }
                                ]
                            }
                        },
                        "ipv6": {
                            "unicast": {
                                "neighbor": {
                                    "r2": {
                                        "dest_link": {
                                            "r3-link1": {}
                                        }
                                    }
                                },
                                "redistribute": [
                                    {
                                        "redist_type": "static"
                                    }
                                ]
                            }
                        }
                    }
                }
            ]
        }
    }
}