USG config

{
   "interfaces":{
      "ethernet":{
         "eth0":{
            "dhcp-options":{
               "default-route":"no-update",
               "default-route-distance":"1",
               "name-server":"no-update"
            },
            "vif":{
               "4":{
                  "address":[
                     "dhcp"
                  ],
                  "description":"WAN",
                  "dhcp-options":{
                     "client-option":[
                        "send vendor-class-identifier "IPTV_RG";",
                        "request subnet-mask, routers, rfc3442-classless-static-routes;"
                     ],
                     "default-route":"no-update",
                     "default-route-distance":"210",
                     "name-server":"no-update"
                  },
                  "ip":{
                     "source-validation":"loose"
                  },
                  "6":{
                     "description":"WAN",
                     "firewall":{
                        "in":{
                           "ipv6-name":"WANv6_IN",
                           "name":"WAN_IN"
                        },
                        "local":{
                           "ipv6-name":"WANv6_LOCAL",
                           "name":"WAN_LOCAL"
                        },
                        "out":{
                           "ipv6-name":"WANv6_OUT",
                           "name":"WAN_OUT"
                        }
                     },
                     "pppoe":{
                        "2":{
                           "default-route":"auto",
                           "firewall":{
                              "in":{
                                 "ipv6-name":"WANv6_IN",
                                 "name":"WAN_IN"
                              },
                              "local":{
                                 "ipv6-name":"WANv6_LOCAL",
                                 "name":"WAN_LOCAL"
                              },
                              "out":{
                                 "ipv6-name":"WANv6_OUT",
                                 "name":"WAN_OUT"
                              }
                           },
                           "name-server":"auto",
                           "password":"kpn",
                           "user-id":"kpn"
                        }
                     }
                  }
               }
            }
         },
         "protocols":{
            "igmp-proxy":{
               "interface":{
                  "eth0.4":{
                     "alt-subnet":[
                        "0.0.0.0/0"
                     ],
                     "role":"upstream",
                     "threshold":"1"
                  },
                  "eth1":{
                     "alt-subnet":[
                        "0.0.0.0/24"
                     ],
                     "role":"downstream",
                     "threshold":"1"
                  }
               }
            },
            "static":{
               "route":{
                  "213.75.112.0/21":{
                     "next-hop":{
                        "10.0.80.1":"''"
                     }
                  }
               }
            }
         },
         "port-forward":{
            "wan-interface":"pppoe2"
         },
         "service":{
            "dns":{
               "forwarding":{
                  "except-interface":[
                     "pppoe2"
                  ]
               }
            },
            "nat":{
               "rule":{
                  "5000":{
                     "description":"MASQ corporate_network to IPTV network",
                     "destination":{
                        "address":"213.75.112.0/21"
                     },
                     "log":"disable",
                     "outbound-interface":"eth0.4",
                     "protocol":"all",
                     "type":"masquerade"
                  },
                  "6001":{
                     "outbound-interface":"pppoe2"
                  },
                  "6002":{
                     "outbound-interface":"pppoe2"
                  },
                  "6003":{
                     "outbound-interface":"pppoe2"
                  }
               }
            }
         }
      }
   }
}