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{
"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": {
"r0": {
"links": {
"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
"r1-link1": {"ipv4": "auto", "ipv6": "auto"},
"r1-link2": {"ipv4": "auto", "ipv6": "auto"},
"r1-link3": {"ipv4": "auto", "ipv6": "auto"},
"r1-link4": {"ipv4": "auto", "ipv6": "auto"},
"r1-link5": {"ipv4": "auto", "ipv6": "auto"}}
},
"r1": {
"links": {
"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
"r0-link1": {"ipv4": "auto", "ipv6": "auto"},
"r0-link2": {"ipv4": "auto", "ipv6": "auto"},
"r0-link3": {"ipv4": "auto", "ipv6": "auto"},
"r0-link4": {"ipv4": "auto", "ipv6": "auto"},
"r0-link5": {"ipv4": "auto", "ipv6": "auto"},
"r2-link0": {"ipv4": "auto", "ipv6": "auto"}},
"bgp": {
"local_as": "100",
"default_ipv4_unicast": "False",
"address_family": {
"ipv6": {
"unicast": {
"neighbor": {
"r2": {
"dest_link": {
"r1-link0": {
"capability": "extended-nexthop",
"activate": "ipv4"
}
}
}
}
}
}
}}},
"r2": {
"links": {
"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
"r1-link0": {"ipv4": "auto", "ipv6": "auto"},
"r3": {"ipv4": "auto", "ipv6": "auto"},
"r4": {"ipv4": "auto", "ipv6": "auto"}},
"bgp": {
"local_as": "100",
"default_ipv4_unicast": "False",
"address_family": {
"ipv4": {
"unicast": {
"neighbor": {
"r4": {"dest_link": {"r2": {"activate": "ipv4"}}}
}
}
},
"ipv6": {
"unicast": {
"neighbor": {
"r1": {
"dest_link": {
"r2-link0": {
"capability": "extended-nexthop",
"activate": "ipv4"
}
}
},
"r3": {"dest_link": {"r2": {}}}}
}
}}}},
"r3": {
"links": {
"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
"r2": {"ipv4": "auto", "ipv6": "auto"}},
"bgp": {
"local_as": "300",
"default_ipv4_unicast": "False",
"address_family": {
"ipv6": {"unicast": {"neighbor": {"r2": {"dest_link": {"r3": {}}}}}}
}}},
"r4": {
"links": {
"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
"r2": {"ipv4": "auto", "ipv6": "auto"}},
"bgp": {
"local_as": "400",
"address_family": {
"ipv4": {"unicast": {"neighbor": {"r2": {"dest_link": {"r4": {}}}}}}
}}}}}
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