user@MX104-2> ping 224.1.1.1 ttl 50 bypass-routing interface ge-0/0/9.1
PING 224.1.1.1 (224.1.1.1): 56 data bytes
^C
--- 224.1.1.1 ping statistics ---
8 packets transmitted, 0 packets received, 100% packet loss

interfaces {
[...]
  ge-0/0/8 {
      description "R4 to CPE-R5 ge-0/0/9";
      unit 0 {
          description "to CPE-R5 ge-0/0/9.1 multicast";
          vlan-id 46;
          family inet {
              address 10.21.45.1/24;
          }
          family inet6 {
              address 2001:0660:b101:cafe::1/64;
          }
      }
  }
  lo0 {
      unit 0 {
          description MX-104-2;
          family inet {
              address 10.4.4.4/32;
          }
          family iso {
              address 49.0001.0104.4444.4444.00;
          }
          family mpls;
      }
  }
}

protocols {
[...]
  pim {
      rp {
          local {
              family inet {
                  address 10.4.4.4;
              }
          }
      }
      interface all {
          mode sparse;
      }
  }
}

interfaces {
[...]
    ge-0/0/9 {
        unit 0 {
            description "to R4 ge-0/0/8.1 - multicast";
            family inet {
                address 10.21.45.2/24;
            }
        }
    }
}
routing-options {
[...]
    static {
        route 0.0.0.0/0 next-hop 10.21.45.1;
    }
}

interfaces {
[...]
    ge-0/0/6 {
        unit 0 {
            family inet {
                address 10.20.138.1/24;
            }
        }
    }
    lt-2/0/0 {
        unit 84 {
            description "to R4 lt-2/0/0 unit 48";
            encapsulation ethernet;
            peer-unit 48;
            family inet {
                address 10.10.48.2/24;
            }
            family iso;
            family mpls;
        }
    }
    lo0 {
        unit 84 {
            description RR;
            family inet {
                address 10.8.8.8/32;
            }
            family iso {
                address 49.0001.0104.8888.8888.00;
            }
            family mpls;
        }
    }
}
protocols {
[...]
    igmp {
        interface ge-0/0/6.0 {
            static {
                group 224.1.1.1;
            }
        }
    }
    pim {
        export block-sap-default;
        rp {
            static {
                address 10.4.4.4;
            }
        }
        interface all {
            mode sparse;
        }
    }
}

interfaces {
    ge-0/0/7 {
        unit 0 {
            family inet {
                address 10.20.138.2/24;
            }
        }
    }
    lo0 {
        unit 138 {
            description CPE-R13;
            family inet {
                address 192.168.15.13/24;
            }
        }
    }
}
protocols {
    sap {
        listen 224.1.1.1;
    }
    pim {
        export block-sap-default;
        rp {
            static {
                address 10.4.4.4;
            }
        }
        interface ge-0/0/7.0;
    }
}
policy-options {
    policy-statement block-sap-default {
        term 1 {
            from {
                route-filter 224.2.127.254/32 exact;
            }
            then reject;
        }
        term 2 {
            then accept;
        }
    }
}
routing-options {
    static {
        route 0.0.0.0/0 next-hop 10.20.138.1;
    }
}