interface ethernet-1/1 {
    description "To Leaf:e1-51"
    admin-state enable
    subinterface 0 {
        type routed
        ipv6 {
            admin-state enable
            router-advertisement {
                router-role {
                    admin-state enable
                    max-advertisement-interval 120
                    min-advertisement-interval 30
                }
            }
        }
    }
}
interface system0 {
    description "Loopback for EVPN-VXLAN"
    subinterface 0 {
        ipv4 {
            admin-state enable
            address 100.254.0.1/32 {
            }
        }
    }
}
routing-policy {
    prefix-set underlay-loopback-v4 {
        prefix 100.254.0.0/24 mask-length-range 32..32 {
        }
    }
    policy underlay-loopback-in {
        default-action {
            policy-result reject
        }
        statement accept-bgp-learned-loopbacks {
            match {
                prefix-set underlay-loopback-v4
            }
            action {
                policy-result accept
            }
        }
    }
    policy underlay-loopback-out {
        default-action {
            policy-result reject
        }
        statement accept-local-loopback-v4 {
            match {
                prefix-set underlay-loopback-v4
                protocol local
            }
            action {
                policy-result accept
            }
        }
        statement accect-bgp-learned-loopbacks {
            match {
                prefix-set underlay-loopback-v4
                protocol bgp
            }
            action {
                policy-result accept
            }
        }
    }
}
network-instance default {
    admin-state enable
    interface ethernet-1/1.0 {
    }
    interface system0.0 {
    }
    protocols {
        bgp {
            admin-state enable
            autonomous-system 65004
            router-id 100.65.32.1
            dynamic-neighbors {
                interface ethernet-1/1.0 {
                    peer-group underlay_fabric
                    allowed-peer-as [
                        65001
                    ]
                }
            }
            afi-safi ipv4-unicast {
                admin-state enable
                multipath {
                    allow-multiple-as true
                    maximum-paths 8
                }
            }
            afi-safi ipv6-unicast {
                admin-state disable
            }
            group underlay_fabric {
                admin-state enable
                export-policy [
                    underlay-loopback-out
                ]
                import-policy [
                    underlay-loopback-in
                ]
                failure-detection {
                    enable-bfd true
                    fast-failover true
                }
            }
        }
    }
}