{
    "address_types": ["ipv4","ipv6"],
    "ipv4base": "10.0.0.0",
    "ipv4mask": 30,
    "ipv6base": "fd00::",
    "ipv6mask": 64,
    "link_ip_start": {
        "ipv4": "10.0.0.0",
        "v4mask": 30,
        "ipv6": "fd00::",
        "v6mask": 64
    },
    "lo_prefix": {
        "ipv4": "1.0.",
        "v4mask": 32,
        "ipv6": "2001:db8:f::",
        "v6mask": 128
    },
    "routers": {
        "red1": {
            "links": {
                "r1-link1": {"ipv4": "auto", "ipv6": "auto", "vrf": "RED_A"},
                "r1-link2": {"ipv4": "auto", "ipv6": "auto", "vrf": "RED_B"}
            },
            "vrfs":[
                {
                    "name": "RED_A",
                    "id": "1"
                },
                {
                    "name": "RED_B",
                    "id": "2"
                }
            ],
            "bgp":
            [
                {
                    "local_as": "500",
                    "vrf": "RED_A",
                    "address_family": {
                        "ipv4": {
                            "unicast": {
                                "neighbor": {
                                    "r1": {
                                        "dest_link": {
                                            "red1-link1": {}
                                        }
                                    }
                                }
                            }
                        },
                        "ipv6": {
                            "unicast": {
                                "neighbor": {
                                    "r1": {
                                        "dest_link": {
                                            "red1-link1": {}
                                        }
                                    }
                                }
                            }
                        }
                    }
                },
                {
                    "local_as": "500",
                    "vrf": "RED_B",
                    "address_family": {
                        "ipv4": {
                            "unicast": {
                                "neighbor": {
                                    "r1": {
                                        "dest_link": {
                                            "red1-link2": {}
                                        }
                                    }
                                }
                            }
                        },
                        "ipv6": {
                            "unicast": {
                                "neighbor": {
                                    "r1": {
                                        "dest_link": {
                                            "red1-link2": {}
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            ]
        },
        "blue1": {
            "links": {
                "r1-link1": {"ipv4": "auto", "ipv6": "auto", "vrf": "BLUE_A"},
                "r1-link2": {"ipv4": "auto", "ipv6": "auto", "vrf": "BLUE_B"}
            },
            "vrfs":[
                {
                    "name": "BLUE_A",
                    "id": "1"
                },
                {
                    "name": "BLUE_B",
                    "id": "2"
                }
            ],
            "bgp":
            [
                {
                    "local_as": "800",
                    "vrf": "BLUE_A",
                    "address_family": {
                        "ipv4": {
                            "unicast": {
                                "neighbor": {
                                    "r1": {
                                        "dest_link": {
                                            "blue1-link1": {}
                                        }
                                    }
                                }
                            }
                        },
                        "ipv6": {
                            "unicast": {
                                "neighbor": {
                                    "r1": {
                                        "dest_link": {
                                            "blue1-link1": {}
                                        }
                                    }
                                }
                            }
                        }
                    }
                },
                {
                    "local_as": "800",
                    "vrf": "BLUE_B",
                    "address_family": {
                        "ipv4": {
                            "unicast": {
                                "neighbor": {
                                    "r1": {
                                        "dest_link": {
                                            "blue1-link2": {}
                                        }
                                    }
                                }
                            }
                        },
                        "ipv6": {
                            "unicast": {
                                "neighbor": {
                                    "r1": {
                                        "dest_link": {
                                            "blue1-link2": {}
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            ]
        },
        "r1": {
            "links": {
                "red1-link1": {"ipv4": "auto", "ipv6": "auto", "vrf": "RED_A"},
                "red1-link2": {"ipv4": "auto", "ipv6": "auto", "vrf": "RED_B"},
                "blue1-link1": {"ipv4": "auto", "ipv6": "auto", "vrf": "BLUE_A"},
                "blue1-link2": {"ipv4": "auto", "ipv6": "auto", "vrf": "BLUE_B"},
                "r2-link1": {"ipv4": "auto", "ipv6": "auto", "vrf": "RED_A"},
                "r2-link2": {"ipv4": "auto", "ipv6": "auto", "vrf": "RED_B"},
                "r2-link3": {"ipv4": "auto", "ipv6": "auto", "vrf": "BLUE_A"},
                "r2-link4": {"ipv4": "auto", "ipv6": "auto", "vrf": "BLUE_B"}
            },
            "vrfs":[
                {
                    "name": "RED_A",
                    "id": "1"
                },
                {
                    "name": "RED_B",
                    "id": "2"
                },
                {
                    "name": "BLUE_A",
                    "id": "3"
                },
                {
                    "name": "BLUE_B",
                    "id": "4"
                }
            ],
            "bgp":
            [
                {
                    "local_as": "100",
                    "vrf": "RED_A",
                    "address_family": {
                        "ipv4": {
                            "unicast": {
                                "neighbor": {
                                    "red1": {
                                        "dest_link": {
                                            "r1-link1": {}
                                        }
                                    },
                                    "r2": {
                                        "dest_link": {
                                            "r1-link1":
                                            { "next_hop_self": true }
                                        }
                                    }
                                }
                            }
                        },
                        "ipv6": {
                            "unicast": {
                                "neighbor": {
                                    "red1": {
                                        "dest_link": {
                                            "r1-link1": {}
                                        }
                                    },
                                    "r2": {
                                        "dest_link": {
                                            "r1-link1":
                                            { "next_hop_self": true }
                                        }
                                    }
                                }
                            }
                        }
                    }
                },
                {
                    "local_as": "100",
                    "vrf": "RED_B",
                    "address_family": {
                        "ipv4": {
                            "unicast": {
                                "neighbor": {
                                    "red1": {
                                        "dest_link": {
                                            "r1-link2": {}
                                        }
                                    },
                                    "r2": {
                                        "dest_link": {
                                            "r1-link2":
                                            { "next_hop_self": true }
                                        }
                                    }
                                }
                            }
                        },
                        "ipv6": {
                            "unicast": {
                                "neighbor": {
                                    "red1": {
                                        "dest_link": {
                                            "r1-link2": {}
                                        }
                                    },
                                    "r2": {
                                        "dest_link": {
                                            "r1-link2":
                                            { "next_hop_self": true }
                                        }
                                    }
                                }
                            }
                        }
                    }
                },
                {
                    "local_as": "100",
                    "vrf": "BLUE_A",
                    "address_family": {
                        "ipv4": {
                            "unicast": {
                                "neighbor": {
                                    "blue1": {
                                        "dest_link": {
                                            "r1-link1": {}
                                        }
                                    },
                                    "r2": {
                                        "dest_link": {
                                            "r1-link3":
                                            { "next_hop_self": true }
                                        }
                                    }
                                }
                            }
                        },
                        "ipv6": {
                            "unicast": {
                                "neighbor": {
                                    "blue1": {
                                        "dest_link": {
                                            "r1-link1": {}
                                        }
                                    },
                                    "r2": {
                                        "dest_link": {
                                            "r1-link3":
                                            { "next_hop_self": true }
                                        }
                                    }
                                }
                            }
                        }
                    }
                },
                {
                    "local_as": "100",
                    "vrf": "BLUE_B",
                    "address_family": {
                        "ipv4": {
                            "unicast": {
                                "neighbor": {
                                    "blue1": {
                                        "dest_link": {
                                            "r1-link2": {}
                                        }
                                    },
                                    "r2": {
                                        "dest_link": {
                                            "r1-link4":
                                            { "next_hop_self": true }
                                        }
                                    }
                                }
                            }
                        },
                        "ipv6": {
                            "unicast": {
                                "neighbor": {
                                    "blue1": {
                                        "dest_link": {
                                            "r1-link2": {}
                                        }
                                    },
                                    "r2": {
                                        "dest_link": {
                                            "r1-link4":
                                            { "next_hop_self": true }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            ]
        },
        "r2": {
            "links": {
                "r1-link1": {"ipv4": "auto", "ipv6": "auto", "vrf": "RED_A"},
                "r1-link2": {"ipv4": "auto", "ipv6": "auto", "vrf": "RED_B"},
                "r1-link3": {"ipv4": "auto", "ipv6": "auto", "vrf": "BLUE_A"},
                "r1-link4": {"ipv4": "auto", "ipv6": "auto", "vrf": "BLUE_B"},
                "r3-link1": {"ipv4": "auto", "ipv6": "auto", "vrf": "RED_A"},
                "r3-link2": {"ipv4": "auto", "ipv6": "auto", "vrf": "RED_B"},
                "r3-link3": {"ipv4": "auto", "ipv6": "auto", "vrf": "BLUE_A"},
                "r3-link4": {"ipv4": "auto", "ipv6": "auto", "vrf": "BLUE_B"}
            },
            "vrfs":[
                {
                    "name": "RED_A",
                    "id": "1"
                },
                {
                    "name": "RED_B",
                    "id": "2"
                },
                {
                    "name": "BLUE_A",
                    "id": "3"
                },
                {
                    "name": "BLUE_B",
                    "id": "4"
                }
            ],
            "bgp":
            [
                {
                    "local_as": "100",
                    "vrf": "RED_A",
                    "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": {}
                                        }
                                    }
                                }
                            }
                        }
                    }
                },
                {
                    "local_as": "100",
                    "vrf": "RED_B",
                    "address_family": {
                        "ipv4": {
                            "unicast": {
                                "neighbor": {
                                    "r1": {
                                        "dest_link": {
                                            "r2-link2": {}
                                        }
                                    },
                                    "r3": {
                                        "dest_link": {
                                            "r2-link2": {}
                                        }
                                    }
                                }
                            }
                        },
                        "ipv6": {
                            "unicast": {
                                "neighbor": {
                                    "r1": {
                                        "dest_link": {
                                            "r2-link2": {}
                                        }
                                    },
                                    "r3": {
                                        "dest_link": {
                                            "r2-link2": {}
                                        }
                                    }
                                }
                            }
                        }
                    }
                },
                {
                    "local_as": "100",
                    "vrf": "BLUE_A",
                    "address_family": {
                        "ipv4": {
                            "unicast": {
                                "neighbor": {
                                    "r1": {
                                        "dest_link": {
                                            "r2-link3": {}
                                        }
                                    },
                                    "r3": {
                                        "dest_link": {
                                            "r2-link3": {}
                                        }
                                    }
                                }
                            }
                        },
                        "ipv6": {
                            "unicast": {
                                "neighbor": {
                                    "r1": {
                                        "dest_link": {
                                            "r2-link3": {}
                                        }
                                    },
                                    "r3": {
                                        "dest_link": {
                                            "r2-link3": {}
                                        }
                                    }
                                }
                            }
                        }
                    }
                },
                {
                    "local_as": "100",
                    "vrf": "BLUE_B",
                    "address_family": {
                        "ipv4": {
                            "unicast": {
                                "neighbor": {
                                    "r1": {
                                        "dest_link": {
                                            "r2-link4": {}
                                        }
                                    },
                                    "r3": {
                                        "dest_link": {
                                            "r2-link4": {}
                                        }
                                    }
                                }
                            }
                        },
                        "ipv6": {
                            "unicast": {
                                "neighbor": {
                                    "r1": {
                                        "dest_link": {
                                            "r2-link4": {}
                                        }
                                    },
                                    "r3": {
                                        "dest_link": {
                                            "r2-link4": {}
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            ]
        },
        "r3": {
            "links": {
                "r2-link1": {"ipv4": "auto", "ipv6": "auto", "vrf": "RED_A"},
                "r2-link2": {"ipv4": "auto", "ipv6": "auto", "vrf": "RED_B"},
                "r2-link3": {"ipv4": "auto", "ipv6": "auto", "vrf": "BLUE_A"},
                "r2-link4": {"ipv4": "auto", "ipv6": "auto", "vrf": "BLUE_B"},
                "red2-link1": {"ipv4": "auto", "ipv6": "auto", "vrf": "RED_A"},
                "red2-link2": {"ipv4": "auto", "ipv6": "auto", "vrf": "RED_B"},
                "blue2-link1": {"ipv4": "auto", "ipv6": "autor3", "vrf": "BLUE_A"},
                "blue2-link2": {"ipv4": "auto", "ipv6": "auto", "vrf": "BLUE_B"}
            },
            "vrfs":[
                {
                    "name": "RED_A",
                    "id": "1"
                },
                {
                    "name": "RED_B",
                    "id": "2"
                },
                {
                    "name": "BLUE_A",
                    "id": "3"
                },
                {
                    "name": "BLUE_B",
                    "id": "4"
                }
            ],
            "bgp":
            [
                {
                    "local_as": "200",
                    "vrf": "RED_A",
                    "address_family": {
                        "ipv4": {
                            "unicast": {
                                "neighbor": {
                                    "r2": {
                                        "dest_link": {
                                            "r3-link1": {}
                                        }
                                    },
                                    "red2": {
                                        "dest_link": {
                                            "r3-link1": {}
                                        }
                                    }
                                }
                            }
                        },
                        "ipv6": {
                            "unicast": {
                                "neighbor": {
                                    "r2": {
                                        "dest_link": {
                                            "r3-link1": {}
                                        }
                                    },
                                    "red2": {
                                        "dest_link": {
                                            "r3-link1": {}
                                        }
                                    }
                                }
                            }
                        }
                    }
                },
                {
                    "local_as": "200",
                    "vrf": "RED_B",
                    "address_family": {
                        "ipv4": {
                            "unicast": {
                                "neighbor": {
                                    "r2": {
                                        "dest_link": {
                                            "r3-link2": {}
                                        }
                                    },
                                    "red2": {
                                        "dest_link": {
                                            "r3-link2": {}
                                        }
                                    }
                                }
                            }
                        },
                        "ipv6": {
                            "unicast": {
                                "neighbor": {
                                    "r2": {
                                        "dest_link": {
                                            "r3-link2": {}
                                        }
                                    },
                                    "red2": {
                                        "dest_link": {
                                            "r3-link2": {}
                                        }
                                    }
                                }
                            }
                        }
                    }
                },
                {
                    "local_as": "200",
                    "vrf": "BLUE_A",
                    "address_family": {
                        "ipv4": {
                            "unicast": {
                                "neighbor": {
                                    "r2": {
                                        "dest_link": {
                                            "r3-link3": {}
                                        }
                                    },
                                    "blue2": {
                                        "dest_link": {
                                            "r3-link1": {}
                                        }
                                    }
                                }
                            }
                        },
                        "ipv6": {
                            "unicast": {
                                "neighbor": {
                                    "r2": {
                                        "dest_link": {
                                            "r3-link3": {}
                                        }
                                    },
                                    "blue2": {
                                        "dest_link": {
                                            "r3-link1": {}
                                        }
                                    }
                                }
                            }
                        }
                    }
                },
                {
                    "local_as": "200",
                    "vrf": "BLUE_B",
                    "address_family": {
                        "ipv4": {
                            "unicast": {
                                "neighbor": {
                                    "r2": {
                                        "dest_link": {
                                            "r3-link4": {}
                                        }
                                    },
                                    "blue2": {
                                        "dest_link": {
                                            "r3-link2": {}
                                        }
                                    }
                                }
                            }
                        },
                        "ipv6": {
                            "unicast": {
                                "neighbor": {
                                    "r2": {
                                        "dest_link": {
                                            "r3-link4": {}
                                        }
                                    },
                                    "blue2": {
                                        "dest_link": {
                                            "r3-link2": {}
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            ]
        },
        "red2": {
            "links": {
                "r3-link1": {"ipv4": "auto", "ipv6": "auto", "vrf": "RED_A"},
                "r3-link2": {"ipv4": "auto", "ipv6": "auto", "vrf": "RED_B"}
            },
            "vrfs":[
                {
                    "name": "RED_A",
                    "id": "1"
                },
                {
                    "name": "RED_B",
                    "id": "2"
                }
            ],
            "bgp":
            [
                {
                    "local_as": "500",
                    "vrf": "RED_A",
                    "address_family": {
                        "ipv4": {
                            "unicast": {
                                "neighbor": {
                                    "r3": {
                                        "dest_link": {
                                            "red2-link1": {}
                                        }
                                    }
                                }
                            }
                        },
                        "ipv6": {
                            "unicast": {
                                "neighbor": {
                                    "r3": {
                                        "dest_link": {
                                            "red2-link1": {}
                                        }
                                    }
                                }
                            }
                        }
                    }
                },
                {
                    "local_as": "500",
                    "vrf": "RED_B",
                    "address_family": {
                        "ipv4": {
                            "unicast": {
                                "neighbor": {
                                    "r3": {
                                        "dest_link": {
                                            "red2-link2": {}
                                        }
                                    }
                                }
                            }
                        },
                        "ipv6": {
                            "unicast": {
                                "neighbor": {
                                    "r3": {
                                        "dest_link": {
                                            "red2-link2": {}
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            ]
        },
        "blue2": {
            "links": {
                "r3-link1": {"ipv4": "auto", "ipv6": "auto", "vrf": "BLUE_A"},
                "r3-link2": {"ipv4": "auto", "ipv6": "auto", "vrf": "BLUE_B"}
            },
            "vrfs":[
                {
                    "name": "BLUE_A",
                    "id": "1"
                },
                {
                    "name": "BLUE_B",
                    "id": "2"
                }
            ],
            "bgp":
            [
                {
                    "local_as": "800",
                    "vrf": "BLUE_A",
                    "address_family": {
                        "ipv4": {
                            "unicast": {
                                "neighbor": {
                                    "r3": {
                                        "dest_link": {
                                            "blue2-link1": {}
                                        }
                                    }
                                }
                            }
                        },
                        "ipv6": {
                            "unicast": {
                                "neighbor": {
                                    "r3": {
                                        "dest_link": {
                                            "blue2-link1": {}
                                        }
                                    }
                                }
                            }
                        }
                    }
                },
                {
                    "local_as": "800",
                    "vrf": "BLUE_B",
                    "address_family": {
                        "ipv4": {
                            "unicast": {
                                "neighbor": {
                                    "r3": {
                                        "dest_link": {
                                            "blue2-link2": {}
                                        }
                                    }
                                }
                            }
                        },
                        "ipv6": {
                            "unicast": {
                                "neighbor": {
                                    "r3": {
                                        "dest_link": {
                                            "blue2-link2": {}
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            ]
        }
    }
}