diff --git a/NetworkManagement/metadata/V1/ConnectivityTest.php b/NetworkManagement/metadata/V1/ConnectivityTest.php
index 840c90b792b3..51444daa1d34 100644
Binary files a/NetworkManagement/metadata/V1/ConnectivityTest.php and b/NetworkManagement/metadata/V1/ConnectivityTest.php differ
diff --git a/NetworkManagement/metadata/V1/Trace.php b/NetworkManagement/metadata/V1/Trace.php
index 58bcbc14658a..ee6ae38809db 100644
Binary files a/NetworkManagement/metadata/V1/Trace.php and b/NetworkManagement/metadata/V1/Trace.php differ
diff --git a/NetworkManagement/src/V1/DropInfo/Cause.php b/NetworkManagement/src/V1/DropInfo/Cause.php
index 226a8444f9d8..670b4a73f6b8 100644
--- a/NetworkManagement/src/V1/DropInfo/Cause.php
+++ b/NetworkManagement/src/V1/DropInfo/Cause.php
@@ -590,6 +590,13 @@ class Cause
      * Generated from protobuf enum <code>NO_KNOWN_ROUTE_FROM_PEERED_NETWORK_TO_DESTINATION = 82;</code>
      */
     const NO_KNOWN_ROUTE_FROM_PEERED_NETWORK_TO_DESTINATION = 82;
+    /**
+     * Sending packets processed by the Private NAT Gateways to the Private
+     * Service Connect endpoints is not supported.
+     *
+     * Generated from protobuf enum <code>PRIVATE_NAT_TO_PSC_ENDPOINT_UNSUPPORTED = 83;</code>
+     */
+    const PRIVATE_NAT_TO_PSC_ENDPOINT_UNSUPPORTED = 83;
 
     private static $valueToName = [
         self::CAUSE_UNSPECIFIED => 'CAUSE_UNSPECIFIED',
@@ -675,6 +682,7 @@ class Cause
         self::NO_ADVERTISED_ROUTE_TO_GCP_DESTINATION => 'NO_ADVERTISED_ROUTE_TO_GCP_DESTINATION',
         self::NO_TRAFFIC_SELECTOR_TO_GCP_DESTINATION => 'NO_TRAFFIC_SELECTOR_TO_GCP_DESTINATION',
         self::NO_KNOWN_ROUTE_FROM_PEERED_NETWORK_TO_DESTINATION => 'NO_KNOWN_ROUTE_FROM_PEERED_NETWORK_TO_DESTINATION',
+        self::PRIVATE_NAT_TO_PSC_ENDPOINT_UNSUPPORTED => 'PRIVATE_NAT_TO_PSC_ENDPOINT_UNSUPPORTED',
     ];
 
     public static function name($value)
diff --git a/NetworkManagement/src/V1/Endpoint.php b/NetworkManagement/src/V1/Endpoint.php
index 1ea2ffa0a266..eea02063830d 100644
--- a/NetworkManagement/src/V1/Endpoint.php
+++ b/NetworkManagement/src/V1/Endpoint.php
@@ -65,12 +65,21 @@ class Endpoint extends \Google\Protobuf\Internal\Message
      */
     protected $load_balancer_type = null;
     /**
-     * A cluster URI for [Google Kubernetes Engine
-     * master](https://cloud.google.com/kubernetes-engine/docs/concepts/cluster-architecture).
+     * A cluster URI for [Google Kubernetes Engine cluster control
+     * plane](https://cloud.google.com/kubernetes-engine/docs/concepts/cluster-architecture).
      *
      * Generated from protobuf field <code>string gke_master_cluster = 7;</code>
      */
     protected $gke_master_cluster = '';
+    /**
+     * DNS endpoint of [Google Kubernetes Engine cluster control
+     * plane](https://cloud.google.com/kubernetes-engine/docs/concepts/cluster-architecture).
+     * Requires gke_master_cluster to be set, can't be used simultaneoulsly with
+     * ip_address or network. Applicable only to destination endpoint.
+     *
+     * Generated from protobuf field <code>string fqdn = 19;</code>
+     */
+    protected $fqdn = '';
     /**
      * A [Cloud SQL](https://cloud.google.com/sql) instance URI.
      *
@@ -168,8 +177,13 @@ class Endpoint extends \Google\Protobuf\Internal\Message
      *     @type int $load_balancer_type
      *           Output only. Type of the load balancer the forwarding rule points to.
      *     @type string $gke_master_cluster
-     *           A cluster URI for [Google Kubernetes Engine
-     *           master](https://cloud.google.com/kubernetes-engine/docs/concepts/cluster-architecture).
+     *           A cluster URI for [Google Kubernetes Engine cluster control
+     *           plane](https://cloud.google.com/kubernetes-engine/docs/concepts/cluster-architecture).
+     *     @type string $fqdn
+     *           DNS endpoint of [Google Kubernetes Engine cluster control
+     *           plane](https://cloud.google.com/kubernetes-engine/docs/concepts/cluster-architecture).
+     *           Requires gke_master_cluster to be set, can't be used simultaneoulsly with
+     *           ip_address or network. Applicable only to destination endpoint.
      *     @type string $cloud_sql_instance
      *           A [Cloud SQL](https://cloud.google.com/sql) instance URI.
      *     @type string $redis_instance
@@ -436,8 +450,8 @@ public function setLoadBalancerType($var)
     }
 
     /**
-     * A cluster URI for [Google Kubernetes Engine
-     * master](https://cloud.google.com/kubernetes-engine/docs/concepts/cluster-architecture).
+     * A cluster URI for [Google Kubernetes Engine cluster control
+     * plane](https://cloud.google.com/kubernetes-engine/docs/concepts/cluster-architecture).
      *
      * Generated from protobuf field <code>string gke_master_cluster = 7;</code>
      * @return string
@@ -448,8 +462,8 @@ public function getGkeMasterCluster()
     }
 
     /**
-     * A cluster URI for [Google Kubernetes Engine
-     * master](https://cloud.google.com/kubernetes-engine/docs/concepts/cluster-architecture).
+     * A cluster URI for [Google Kubernetes Engine cluster control
+     * plane](https://cloud.google.com/kubernetes-engine/docs/concepts/cluster-architecture).
      *
      * Generated from protobuf field <code>string gke_master_cluster = 7;</code>
      * @param string $var
@@ -463,6 +477,38 @@ public function setGkeMasterCluster($var)
         return $this;
     }
 
+    /**
+     * DNS endpoint of [Google Kubernetes Engine cluster control
+     * plane](https://cloud.google.com/kubernetes-engine/docs/concepts/cluster-architecture).
+     * Requires gke_master_cluster to be set, can't be used simultaneoulsly with
+     * ip_address or network. Applicable only to destination endpoint.
+     *
+     * Generated from protobuf field <code>string fqdn = 19;</code>
+     * @return string
+     */
+    public function getFqdn()
+    {
+        return $this->fqdn;
+    }
+
+    /**
+     * DNS endpoint of [Google Kubernetes Engine cluster control
+     * plane](https://cloud.google.com/kubernetes-engine/docs/concepts/cluster-architecture).
+     * Requires gke_master_cluster to be set, can't be used simultaneoulsly with
+     * ip_address or network. Applicable only to destination endpoint.
+     *
+     * Generated from protobuf field <code>string fqdn = 19;</code>
+     * @param string $var
+     * @return $this
+     */
+    public function setFqdn($var)
+    {
+        GPBUtil::checkString($var, True);
+        $this->fqdn = $var;
+
+        return $this;
+    }
+
     /**
      * A [Cloud SQL](https://cloud.google.com/sql) instance URI.
      *
diff --git a/NetworkManagement/src/V1/GKEMasterInfo.php b/NetworkManagement/src/V1/GKEMasterInfo.php
index f5973a802e12..d3b1ea0afb97 100644
--- a/NetworkManagement/src/V1/GKEMasterInfo.php
+++ b/NetworkManagement/src/V1/GKEMasterInfo.php
@@ -29,17 +29,23 @@ class GKEMasterInfo extends \Google\Protobuf\Internal\Message
      */
     protected $cluster_network_uri = '';
     /**
-     * Internal IP address of a GKE cluster master.
+     * Internal IP address of a GKE cluster control plane.
      *
      * Generated from protobuf field <code>string internal_ip = 5;</code>
      */
     protected $internal_ip = '';
     /**
-     * External IP address of a GKE cluster master.
+     * External IP address of a GKE cluster control plane.
      *
      * Generated from protobuf field <code>string external_ip = 6;</code>
      */
     protected $external_ip = '';
+    /**
+     * DNS endpoint of a GKE cluster control plane.
+     *
+     * Generated from protobuf field <code>string dns_endpoint = 7;</code>
+     */
+    protected $dns_endpoint = '';
 
     /**
      * Constructor.
@@ -52,9 +58,11 @@ class GKEMasterInfo extends \Google\Protobuf\Internal\Message
      *     @type string $cluster_network_uri
      *           URI of a GKE cluster network.
      *     @type string $internal_ip
-     *           Internal IP address of a GKE cluster master.
+     *           Internal IP address of a GKE cluster control plane.
      *     @type string $external_ip
-     *           External IP address of a GKE cluster master.
+     *           External IP address of a GKE cluster control plane.
+     *     @type string $dns_endpoint
+     *           DNS endpoint of a GKE cluster control plane.
      * }
      */
     public function __construct($data = NULL) {
@@ -115,7 +123,7 @@ public function setClusterNetworkUri($var)
     }
 
     /**
-     * Internal IP address of a GKE cluster master.
+     * Internal IP address of a GKE cluster control plane.
      *
      * Generated from protobuf field <code>string internal_ip = 5;</code>
      * @return string
@@ -126,7 +134,7 @@ public function getInternalIp()
     }
 
     /**
-     * Internal IP address of a GKE cluster master.
+     * Internal IP address of a GKE cluster control plane.
      *
      * Generated from protobuf field <code>string internal_ip = 5;</code>
      * @param string $var
@@ -141,7 +149,7 @@ public function setInternalIp($var)
     }
 
     /**
-     * External IP address of a GKE cluster master.
+     * External IP address of a GKE cluster control plane.
      *
      * Generated from protobuf field <code>string external_ip = 6;</code>
      * @return string
@@ -152,7 +160,7 @@ public function getExternalIp()
     }
 
     /**
-     * External IP address of a GKE cluster master.
+     * External IP address of a GKE cluster control plane.
      *
      * Generated from protobuf field <code>string external_ip = 6;</code>
      * @param string $var
@@ -166,5 +174,31 @@ public function setExternalIp($var)
         return $this;
     }
 
+    /**
+     * DNS endpoint of a GKE cluster control plane.
+     *
+     * Generated from protobuf field <code>string dns_endpoint = 7;</code>
+     * @return string
+     */
+    public function getDnsEndpoint()
+    {
+        return $this->dns_endpoint;
+    }
+
+    /**
+     * DNS endpoint of a GKE cluster control plane.
+     *
+     * Generated from protobuf field <code>string dns_endpoint = 7;</code>
+     * @param string $var
+     * @return $this
+     */
+    public function setDnsEndpoint($var)
+    {
+        GPBUtil::checkString($var, True);
+        $this->dns_endpoint = $var;
+
+        return $this;
+    }
+
 }