diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2019-07-01/examples/VirtualNetworkGatewayConnectionStartPacketCapture.json b/specification/network/resource-manager/Microsoft.Network/stable/2019-07-01/examples/VirtualNetworkGatewayConnectionStartPacketCapture.json
new file mode 100644
index 000000000000..1d4b60431577
--- /dev/null
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2019-07-01/examples/VirtualNetworkGatewayConnectionStartPacketCapture.json
@@ -0,0 +1,14 @@
+{
+  "parameters": {
+    "api-version": "2019-07-01",
+    "subscriptionId": "subid",
+    "resourceGroupName": "rg1",
+    "virtualNetworkGatewayConnectionName": "vpngwcn1"
+  },
+  "responses": {
+    "202": {},
+    "200": {
+      "body": "\"{\"Status\":\"Successful\",\"Data\":null}\""
+    }
+  }
+}
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2019-07-01/examples/VirtualNetworkGatewayConnectionStartPacketCaptureFilterData.json b/specification/network/resource-manager/Microsoft.Network/stable/2019-07-01/examples/VirtualNetworkGatewayConnectionStartPacketCaptureFilterData.json
new file mode 100644
index 000000000000..42b7b23f7656
--- /dev/null
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2019-07-01/examples/VirtualNetworkGatewayConnectionStartPacketCaptureFilterData.json
@@ -0,0 +1,17 @@
+{
+  "parameters": {
+    "api-version": "2019-07-01",
+    "subscriptionId": "subid",
+    "resourceGroupName": "rg1",
+    "virtualNetworkGatewayConnectionName": "vpngwcn1",
+    "parameters": {
+      "filterData": "{'TracingFlags': 11,'MaxPacketBufferSize': 120,'MaxFileSize': 200,'Filters': [{'SourceSubnets': ['20.1.1.0/24'],'DestinationSubnets': ['10.1.1.0/24'],'SourcePort': [500],'DestinationPort': [4500],'Protocol': null,'IpSubnetValueAsAny': true,'TcpFlags': 16,'PortValueAsAny': true}]}"
+    }
+  },
+  "responses": {
+    "202": {},
+    "200": {
+      "body": "\"{\"Status\":\"Successful\",\"Data\":null}\""
+    }
+  }
+}
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2019-07-01/examples/VirtualNetworkGatewayConnectionStopPacketCapture.json b/specification/network/resource-manager/Microsoft.Network/stable/2019-07-01/examples/VirtualNetworkGatewayConnectionStopPacketCapture.json
new file mode 100644
index 000000000000..cc3515877631
--- /dev/null
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2019-07-01/examples/VirtualNetworkGatewayConnectionStopPacketCapture.json
@@ -0,0 +1,17 @@
+{
+  "parameters": {
+    "api-version": "2019-07-01",
+    "subscriptionId": "subid",
+    "resourceGroupName": "rg1",
+    "virtualNetworkGatewayConnectionName": "vpngwcn1",
+    "parameters": {
+      "sasUrl": "https://teststorage.blob.core.windows.net/?sv=2018-03-28&ss=bfqt&srt=sco&sp=rwdlacup&se=2019-09-13T07:44:05Z&st=2019-09-06T23:44:05Z&spr=https&sig=V1h9D1riltvZMI69d6ihENnFo%2FrCvTqGgjO2lf%2FVBhE%3D"
+    }
+  },
+  "responses": {
+    "202": {},
+    "200": {
+      "body": "\"{\"Status\":\"Successful\",\"Data\":null}\""
+    }
+  }
+}
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2019-07-01/examples/VirtualNetworkGatewayStartPacketCapture.json b/specification/network/resource-manager/Microsoft.Network/stable/2019-07-01/examples/VirtualNetworkGatewayStartPacketCapture.json
new file mode 100644
index 000000000000..092dabb8d803
--- /dev/null
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2019-07-01/examples/VirtualNetworkGatewayStartPacketCapture.json
@@ -0,0 +1,14 @@
+{
+  "parameters": {
+    "api-version": "2019-07-01",
+    "subscriptionId": "subid",
+    "resourceGroupName": "rg1",
+    "virtualNetworkGatewayName": "vpngw"
+  },
+  "responses": {
+    "202": {},
+    "200": {
+      "body": "\"{\"Status\":\"Successful\",\"Data\":null}\""
+    }
+  }
+}
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2019-07-01/examples/VirtualNetworkGatewayStartPacketCaptureFilterData.json b/specification/network/resource-manager/Microsoft.Network/stable/2019-07-01/examples/VirtualNetworkGatewayStartPacketCaptureFilterData.json
new file mode 100644
index 000000000000..15dd5c0d7723
--- /dev/null
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2019-07-01/examples/VirtualNetworkGatewayStartPacketCaptureFilterData.json
@@ -0,0 +1,17 @@
+{
+  "parameters": {
+    "api-version": "2019-07-01",
+    "subscriptionId": "subid",
+    "resourceGroupName": "rg1",
+    "virtualNetworkGatewayName": "vpngw",
+    "parameters": {
+      "filterData": "{'TracingFlags': 11,'MaxPacketBufferSize': 120,'MaxFileSize': 200,'Filters': [{'SourceSubnets': ['20.1.1.0/24'],'DestinationSubnets': ['10.1.1.0/24'],'SourcePort': [500],'DestinationPort': [4500],'Protocol': null,'IpSubnetValueAsAny': true,'TcpFlags': 16,'PortValueAsAny': true}]}"
+    }
+  },
+  "responses": {
+    "202": {},
+    "200": {
+      "body": "\"{\"Status\":\"Successful\",\"Data\":null}\""
+    }
+  }
+}
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2019-07-01/examples/VirtualNetworkGatewayStopPacketCapture.json b/specification/network/resource-manager/Microsoft.Network/stable/2019-07-01/examples/VirtualNetworkGatewayStopPacketCapture.json
new file mode 100644
index 000000000000..57cae98293f0
--- /dev/null
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2019-07-01/examples/VirtualNetworkGatewayStopPacketCapture.json
@@ -0,0 +1,17 @@
+{
+  "parameters": {
+    "api-version": "2019-07-01",
+    "subscriptionId": "subid",
+    "resourceGroupName": "rg1",
+    "virtualNetworkGatewayName": "vpngw",
+    "parameters": {
+      "sasUrl": "https://teststorage.blob.core.windows.net/?sv=2018-03-28&ss=bfqt&srt=sco&sp=rwdlacup&se=2019-09-13T07:44:05Z&st=2019-09-06T23:44:05Z&spr=https&sig=V1h9D1riltvZMI69d6ihENnFo%2FrCvTqGgjO2lf%2FVBhE%3D"
+    }
+  },
+  "responses": {
+    "202": {},
+    "200": {
+      "body": "\"{\"Status\":\"Successful\",\"Data\":null}\""
+    }
+  }
+}
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2019-07-01/virtualNetworkGateway.json b/specification/network/resource-manager/Microsoft.Network/stable/2019-07-01/virtualNetworkGateway.json
index 7981eff6fcc5..72fd74d07726 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2019-07-01/virtualNetworkGateway.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2019-07-01/virtualNetworkGateway.json
@@ -982,6 +982,141 @@
         }
       }
     },
+    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/virtualNetworkGateways/{virtualNetworkGatewayName}/startPacketCapture": {
+      "post": {
+        "tags": [
+          "VirtualNetworkGateways"
+        ],
+        "operationId": "VirtualNetworkGateways_StartPacketCapture",
+        "description": "Starts packet capture on virtual network gateway in the specified resource group.",
+        "parameters": [
+          {
+            "name": "resourceGroupName",
+            "in": "path",
+            "required": true,
+            "type": "string",
+            "description": "The name of the resource group."
+          },
+          {
+            "name": "virtualNetworkGatewayName",
+            "in": "path",
+            "required": true,
+            "type": "string",
+            "description": "The name of the virtual network gateway."
+          },
+          {
+            "name": "parameters",
+            "in": "body",
+            "required": false,
+            "schema": {
+              "$ref": "#/definitions/VpnPacketCaptureStartParameters"
+            },
+            "description": "Virtual network gateway packet capture parameters supplied to start packet capture on gateway."
+          },
+          {
+            "$ref": "./network.json#/parameters/ApiVersionParameter"
+          },
+          {
+            "$ref": "./network.json#/parameters/SubscriptionIdParameter"
+          }
+        ],
+        "responses": {
+          "202": {
+            "description": "Accepted and the operation will complete asynchronously."
+          },
+          "200": {
+            "description": "Request successful. The operation packet capture started on virtual network gateway.",
+            "schema": {
+              "type": "string"
+            }
+          },
+          "default": {
+            "description": "Error response describing why the operation failed.",
+            "schema": {
+              "$ref": "./network.json#/definitions/Error"
+            }
+          }
+        },
+        "x-ms-examples": {
+          "Start packet capture on virtual network gateway without filter": {
+            "$ref": "./examples/VirtualNetworkGatewayStartPacketCapture.json"
+          },
+          "Start packet capture on virtual network gateway with filter": {
+            "$ref": "./examples/VirtualNetworkGatewayStartPacketCaptureFilterData.json"
+          }
+        },
+        "x-ms-long-running-operation": true,
+        "x-ms-long-running-operation-options": {
+          "final-state-via": "location"
+        }
+      }
+    },
+    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/virtualNetworkGateways/{virtualNetworkGatewayName}/stopPacketCapture": {
+      "post": {
+        "tags": [
+          "VirtualNetworkGateways"
+        ],
+        "operationId": "VirtualNetworkGateways_StopPacketCapture",
+        "description": "Stops packet capture on virtual network gateway in the specified resource group.",
+        "parameters": [
+          {
+            "name": "resourceGroupName",
+            "in": "path",
+            "required": true,
+            "type": "string",
+            "description": "The name of the resource group."
+          },
+          {
+            "name": "virtualNetworkGatewayName",
+            "in": "path",
+            "required": true,
+            "type": "string",
+            "description": "The name of the virtual network gateway."
+          },
+          {
+            "name": "parameters",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/VpnPacketCaptureStopParameters"
+            },
+            "description": "Virtual network gateway packet capture parameters supplied to stop packet capture on gateway."
+          },
+          {
+            "$ref": "./network.json#/parameters/ApiVersionParameter"
+          },
+          {
+            "$ref": "./network.json#/parameters/SubscriptionIdParameter"
+          }
+        ],
+        "responses": {
+          "202": {
+            "description": "Accepted and the operation will complete asynchronously."
+          },
+          "200": {
+            "description": "Request successful. The operation packet capture stopped on virtual network gateway.",
+            "schema": {
+              "type": "string"
+            }
+          },
+          "default": {
+            "description": "Error response describing why the operation failed.",
+            "schema": {
+              "$ref": "./network.json#/definitions/Error"
+            }
+          }
+        },
+        "x-ms-examples": {
+          "Stop packet capture on virtual network gateway": {
+            "$ref": "./examples/VirtualNetworkGatewayStopPacketCapture.json"
+          }
+        },
+        "x-ms-long-running-operation": true,
+        "x-ms-long-running-operation-options": {
+          "final-state-via": "location"
+        }
+      }
+    },
     "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/connections/{virtualNetworkGatewayConnectionName}": {
       "put": {
         "tags": [
@@ -1399,6 +1534,141 @@
         }
       }
     },
+    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/connections/{virtualNetworkGatewayConnectionName}/startPacketCapture": {
+      "post": {
+        "tags": [
+          "VirtualNetworkGatewayConnections"
+        ],
+        "operationId": "VirtualNetworkGatewayConnections_StartPacketCapture",
+        "description": "Starts packet capture on virtual network gateway connection in the specified resource group.",
+        "parameters": [
+          {
+            "name": "resourceGroupName",
+            "in": "path",
+            "required": true,
+            "type": "string",
+            "description": "The name of the resource group."
+          },
+          {
+            "name": "virtualNetworkGatewayConnectionName",
+            "in": "path",
+            "required": true,
+            "type": "string",
+            "description": "The name of the virtual network gateway connection."
+          },
+          {
+            "name": "parameters",
+            "in": "body",
+            "required": false,
+            "schema": {
+              "$ref": "#/definitions/VpnPacketCaptureStartParameters"
+            },
+            "description": "Virtual network gateway packet capture parameters supplied to start packet capture on gateway connection."
+          },
+          {
+            "$ref": "./network.json#/parameters/ApiVersionParameter"
+          },
+          {
+            "$ref": "./network.json#/parameters/SubscriptionIdParameter"
+          }
+        ],
+        "responses": {
+          "202": {
+            "description": "Accepted and the operation will complete asynchronously."
+          },
+          "200": {
+            "description": "Request successful. The operation packet capture started on virtual network gateway connection.",
+            "schema": {
+              "type": "string"
+            }
+          },
+          "default": {
+            "description": "Error response describing why the operation failed.",
+            "schema": {
+              "$ref": "./network.json#/definitions/Error"
+            }
+          }
+        },
+        "x-ms-examples": {
+          "Start packet capture on virtual network gateway connection without filter": {
+            "$ref": "./examples/VirtualNetworkGatewayConnectionStartPacketCapture.json"
+          },
+          "Start packet capture on virtual network gateway connection with filter": {
+            "$ref": "./examples/VirtualNetworkGatewayConnectionStartPacketCaptureFilterData.json"
+          }
+        },
+        "x-ms-long-running-operation": true,
+        "x-ms-long-running-operation-options": {
+          "final-state-via": "location"
+        }
+      }
+    },
+    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/connections/{virtualNetworkGatewayConnectionName}/stopPacketCapture": {
+      "post": {
+        "tags": [
+          "VirtualNetworkGatewayConnections"
+        ],
+        "operationId": "VirtualNetworkGatewayConnections_StopPacketCapture",
+        "description": "Stops packet capture on virtual network gateway connection in the specified resource group.",
+        "parameters": [
+          {
+            "name": "resourceGroupName",
+            "in": "path",
+            "required": true,
+            "type": "string",
+            "description": "The name of the resource group."
+          },
+          {
+            "name": "virtualNetworkGatewayConnectionName",
+            "in": "path",
+            "required": true,
+            "type": "string",
+            "description": "The name of the virtual network gateway Connection."
+          },
+          {
+            "name": "parameters",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/VpnPacketCaptureStopParameters"
+            },
+            "description": "Virtual network gateway packet capture parameters supplied to stop packet capture on gateway connection."
+          },
+          {
+            "$ref": "./network.json#/parameters/ApiVersionParameter"
+          },
+          {
+            "$ref": "./network.json#/parameters/SubscriptionIdParameter"
+          }
+        ],
+        "responses": {
+          "202": {
+            "description": "Accepted and the operation will complete asynchronously."
+          },
+          "200": {
+            "description": "Request successful. The operation packet capture stopped on virtual network gateway connection.",
+            "schema": {
+              "type": "string"
+            }
+          },
+          "default": {
+            "description": "Error response describing why the operation failed.",
+            "schema": {
+              "$ref": "./network.json#/definitions/Error"
+            }
+          }
+        },
+        "x-ms-examples": {
+          "Stop packet capture on virtual network gateway connection": {
+            "$ref": "./examples/VirtualNetworkGatewayConnectionStopPacketCapture.json"
+          }
+        },
+        "x-ms-long-running-operation": true,
+        "x-ms-long-running-operation-options": {
+          "final-state-via": "location"
+        }
+      }
+    },
     "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/localNetworkGateways/{localNetworkGatewayName}": {
       "put": {
         "tags": [
@@ -3056,6 +3326,24 @@
         }
       },
       "description": "VPN client connection health detail."
+    },
+    "VpnPacketCaptureStopParameters": {
+      "properties": {
+        "sasUrl": {
+          "type": "string",
+          "description": "SAS url for packet capture on virtual network gateway."
+        }
+      },
+      "description": "Stop packet capture parameters."
+    },
+    "VpnPacketCaptureStartParameters": {
+      "properties": {
+        "filterData": {
+          "type": "string",
+          "description": "Start Packet capture parameters."
+        }
+      },
+      "description": "Start packet capture parameters on virtual network gateway."
     }
   }
 }