}
                 }
                },
                "configuration": {
                 "@type": "type.googleapis.com/envoy.tcp.metadataexchange.config.MetadataExchange"
                }
               }
              }
             },
             {
              "name": "envoy.filters.http.grpc_stats",
              "typed_config": {

            },
            "filters": [
              {
                "name": "istio.metadata_exchange",
                "typed_config": {
                  "@type": "type.googleapis.com/envoy.tcp.metadataexchange.config.MetadataExchange",
                  "protocol": "istio-peer-exchange"
                }
              }
            ],
            "transport_socket_matches": [
              {

                      "typed_config": {
                        "@type": "type.googleapis.com/udpa.type.v1.TypedStruct",
                        "type_url": "type.googleapis.com/envoy.tcp.metadataexchange.config.MetadataExchange",
                        "value": {
                          "protocol": "istio-peer-exchange",
                          "enable_discovery": true
                        }
                      }