version 6.3R3.1;
system {
    host-name p3a;
    root-authentication {
        encrypted-password "$1$0DYwhVFJ$eK8RBkHlDFDJdB7WnxYHA/"; # SECRET-DATA
    }
    login {
        user ws {
            full-name Workshop;
            uid 2000;
            class super-user;
            authentication {
                encrypted-password "$1$DfbME2MT$j9exs6I28wAFg3XHfaY79."; # SECRET-DATA
            }
        }
    }
    services {
        ssh;
        telnet;
    }
    syslog {
        user * {
            any emergency;
        }
        file messages {
            any notice;
            authorization info;
        }
    }
}
interfaces {
    fe-0/0/0 {
        description "To P4 - Border B | fa0/0";
        unit 0 {
            family inet {
                address 199.109.204.17/30;
            }
        }
    }
    fe-0/0/1 {
        description "To P3 - Core C | fa0/0";
        unit 0 {
            family inet {
                address 199.109.203.25/30;
            }
        }           
    }
    fe-0/0/3 {
        description "EXTERNAL INTERFACE";
        unit 0 {
            family inet {
                address 199.109.205.10/30;
            }
        }
    }
    fxp0 {
        disable;
    }
    lo0 {
        description "P3 - Border A";
        unit 0 {
            family inet {
                address 199.109.203.1/32;
            }
        }
    }
}
routing-options {
    interface-routes {
        rib-group inet ifrg;
    }
    rib inet.0 {
        aggregate {
            route 199.109.203.0/24;
        }
    }
    rib inet.2 {
        aggregate {
            route 199.109.203.0/24;
        }
    }
    static {
        route 0.0.0.0/0 next-hop 199.109.205.9;
    }
    rib-groups {
        ifrg {
            import-rib [ inet.0 inet.2 ];
        }
        igp-rg {
            export-rib inet.0;
            import-rib [ inet.0 inet.2 ];
        }           
        pim-rg {
            import-rib inet.2;
        }
    }
    router-id 199.109.203.1;
    autonomous-system 65503;
    multicast {
        scope autorp-announce {
            prefix 224.0.1.40/32;
            interface all;
        }
    }
}
protocols {
    bgp {
        family inet {
            unicast;
            multicast;
        }
        group iBGP-mesh {
            type internal;
            local-address 199.109.203.1;
            export set-nexthop-self;
            local-as 65503;
            neighbor 199.109.203.2;
            neighbor 199.109.203.3;
        }
        group external-peers {
            type external;
            traceoptions {
                file pod4 size 1m files 5;
                flag all detail;
            }
            import transit-others;
            export [ announce-our-block transit-others ];
            local-as 65503;
            neighbor 199.109.204.18 {
                description "Pod 4 Border B";
                local-address 199.109.204.17;
                peer-as 65504;
            }
        }
    }
    ospf {
        rib-group igp-rg;
        export default-into-ospf;
        area 0.0.0.0 {
            interface fe-0/0/1.0;
            interface lo0.0 {
                passive;
            }
            interface fe-0/0/0.0 {
                passive;
            }
            interface fe-0/0/3.0 {
                passive;
            }
        }
    }
    pim {
        rib-group inet pim-rg;
        import pim-joins;
        rp {
            bootstrap-import reject-all;
            bootstrap-export reject-all;
            static {
                address 199.109.203.3;
            }
        }           
        interface fe-0/0/1.0 {
            mode sparse;
            version 2;
        }
        interface fe-0/0/0.0 {
            mode sparse;
            version 2;
        }
        interface fe-0/0/3.0 {
            mode sparse;
            version 2;
        }
    }
}
policy-options {
    policy-statement default-into-ospf {
        term default {
            from {
                protocol static;
                route-filter 0.0.0.0/0 exact;
            }
            then accept;
        }           
        term nope {
            then reject;
        }
    }
    policy-statement set-nexthop-self {
        then {
            next-hop self;
            accept;
        }
    }
    policy-statement announce-our-block {
        term announce-203 {
            from {
                protocol aggregate;
                route-filter 199.109.203.0/24 exact;
            }
            then accept;
        }
    }
    policy-statement transit-others {
        term 1 {
            from {
                protocol bgp;
                route-filter 199.109.201.0/24 orlonger;
                route-filter 199.109.202.0/24 orlonger;
                route-filter 199.109.204.0/24 orlonger;
            }
            then accept;
        }
        term reject-other {
            then reject;
        }
    }
    policy-statement reject-all {
        then reject;
    }
    policy-statement pim-joins {
        term reject-joins {
            from {
                interface fe-0/0/0.0;
                route-filter 239.0.0.0/8 orlonger;
            }
            then reject;
        }
        term acecpt-all {
            then accept;
        }
    }
}