diff --git a/sdk/network/mgmt-v2019_09_01/pom.xml b/sdk/network/mgmt-v2019_09_01/pom.xml
index 31c06a7bdfd9..467b63b9a441 100644
--- a/sdk/network/mgmt-v2019_09_01/pom.xml
+++ b/sdk/network/mgmt-v2019_09_01/pom.xml
@@ -11,11 +11,11 @@
     <parent>
         <groupId>com.microsoft.azure</groupId>
         <artifactId>azure-arm-parent</artifactId>
-        <version>1.2.0</version>
+        <version>1.1.0</version>
         <relativePath>../../../pom.management.xml</relativePath>
     </parent>
     <artifactId>azure-mgmt-network</artifactId>
-    <version>1.0.0-beta-1</version>
+    <version>1.0.0-beta</version>
     <packaging>jar</packaging>
     <name>Microsoft Azure SDK for Network Management</name>
     <description>This package contains Microsoft Network Management SDK.</description>
diff --git a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/ConnectivityParameters.java b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/ConnectivityParameters.java
index f1d30ab1919b..e9848f0ad270 100644
--- a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/ConnectivityParameters.java
+++ b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/ConnectivityParameters.java
@@ -39,6 +39,13 @@ public class ConnectivityParameters {
     @JsonProperty(value = "protocolConfiguration")
     private ProtocolConfiguration protocolConfiguration;
 
+    /**
+     * Preferred IP version of the connection. Possible values include: 'IPv4',
+     * 'IPv6'.
+     */
+    @JsonProperty(value = "preferredIPVersion")
+    private IPVersion preferredIPVersion;
+
     /**
      * Get describes the source of the connection.
      *
@@ -119,4 +126,24 @@ public ConnectivityParameters withProtocolConfiguration(ProtocolConfiguration pr
         return this;
     }
 
+    /**
+     * Get preferred IP version of the connection. Possible values include: 'IPv4', 'IPv6'.
+     *
+     * @return the preferredIPVersion value
+     */
+    public IPVersion preferredIPVersion() {
+        return this.preferredIPVersion;
+    }
+
+    /**
+     * Set preferred IP version of the connection. Possible values include: 'IPv4', 'IPv6'.
+     *
+     * @param preferredIPVersion the preferredIPVersion value to set
+     * @return the ConnectivityParameters object itself.
+     */
+    public ConnectivityParameters withPreferredIPVersion(IPVersion preferredIPVersion) {
+        this.preferredIPVersion = preferredIPVersion;
+        return this;
+    }
+
 }
diff --git a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/ExpressRouteCircuit.java b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/ExpressRouteCircuit.java
index 05cf62524e6a..9a7b485e445c 100644
--- a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/ExpressRouteCircuit.java
+++ b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/ExpressRouteCircuit.java
@@ -166,6 +166,18 @@ interface WithBandwidthInGbps {
             WithCreate withBandwidthInGbps(Double bandwidthInGbps);
         }
 
+        /**
+         * The stage of the expressroutecircuit definition allowing to specify CircuitProvisioningState.
+         */
+        interface WithCircuitProvisioningState {
+            /**
+             * Specifies circuitProvisioningState.
+             * @param circuitProvisioningState The CircuitProvisioningState state of the resource
+             * @return the next definition stage
+             */
+            WithCreate withCircuitProvisioningState(String circuitProvisioningState);
+        }
+
         /**
          * The stage of the expressroutecircuit definition allowing to specify ExpressRoutePort.
          */
@@ -190,6 +202,18 @@ interface WithGatewayManagerEtag {
             WithCreate withGatewayManagerEtag(String gatewayManagerEtag);
         }
 
+        /**
+         * The stage of the expressroutecircuit definition allowing to specify GlobalReachEnabled.
+         */
+        interface WithGlobalReachEnabled {
+            /**
+             * Specifies globalReachEnabled.
+             * @param globalReachEnabled Flag denoting Global reach status
+             * @return the next definition stage
+             */
+            WithCreate withGlobalReachEnabled(Boolean globalReachEnabled);
+        }
+
         /**
          * The stage of the expressroutecircuit definition allowing to specify Peerings.
          */
@@ -202,6 +226,18 @@ interface WithPeerings {
             WithCreate withPeerings(List<ExpressRouteCircuitPeeringInner> peerings);
         }
 
+        /**
+         * The stage of the expressroutecircuit definition allowing to specify ServiceKey.
+         */
+        interface WithServiceKey {
+            /**
+             * Specifies serviceKey.
+             * @param serviceKey The ServiceKey
+             * @return the next definition stage
+             */
+            WithCreate withServiceKey(String serviceKey);
+        }
+
         /**
          * The stage of the expressroutecircuit definition allowing to specify ServiceProviderNotes.
          */
@@ -226,6 +262,18 @@ interface WithServiceProviderProperties {
             WithCreate withServiceProviderProperties(ExpressRouteCircuitServiceProviderProperties serviceProviderProperties);
         }
 
+        /**
+         * The stage of the expressroutecircuit definition allowing to specify ServiceProviderProvisioningState.
+         */
+        interface WithServiceProviderProvisioningState {
+            /**
+             * Specifies serviceProviderProvisioningState.
+             * @param serviceProviderProvisioningState The ServiceProviderProvisioningState state of the resource. Possible values include: 'NotProvisioned', 'Provisioning', 'Provisioned', 'Deprovisioning'
+             * @return the next definition stage
+             */
+            WithCreate withServiceProviderProvisioningState(ServiceProviderProvisioningState serviceProviderProvisioningState);
+        }
+
         /**
          * The stage of the expressroutecircuit definition allowing to specify Sku.
          */
@@ -243,13 +291,13 @@ interface WithSku {
          * the resource to be created (via {@link WithCreate#create()}), but also allows
          * for any other optional settings to be specified.
          */
-        interface WithCreate extends Creatable<ExpressRouteCircuit>, Resource.DefinitionWithTags<WithCreate>, DefinitionStages.WithAllowClassicOperations, DefinitionStages.WithAuthorizations, DefinitionStages.WithBandwidthInGbps, DefinitionStages.WithExpressRoutePort, DefinitionStages.WithGatewayManagerEtag, DefinitionStages.WithPeerings, DefinitionStages.WithServiceProviderNotes, DefinitionStages.WithServiceProviderProperties, DefinitionStages.WithSku {
+        interface WithCreate extends Creatable<ExpressRouteCircuit>, Resource.DefinitionWithTags<WithCreate>, DefinitionStages.WithAllowClassicOperations, DefinitionStages.WithAuthorizations, DefinitionStages.WithBandwidthInGbps, DefinitionStages.WithCircuitProvisioningState, DefinitionStages.WithExpressRoutePort, DefinitionStages.WithGatewayManagerEtag, DefinitionStages.WithGlobalReachEnabled, DefinitionStages.WithPeerings, DefinitionStages.WithServiceKey, DefinitionStages.WithServiceProviderNotes, DefinitionStages.WithServiceProviderProperties, DefinitionStages.WithServiceProviderProvisioningState, DefinitionStages.WithSku {
         }
     }
     /**
      * The template for a ExpressRouteCircuit update operation, containing all the settings that can be modified.
      */
-    interface Update extends Appliable<ExpressRouteCircuit>, Resource.UpdateWithTags<Update>, UpdateStages.WithAllowClassicOperations, UpdateStages.WithAuthorizations, UpdateStages.WithBandwidthInGbps, UpdateStages.WithExpressRoutePort, UpdateStages.WithGatewayManagerEtag, UpdateStages.WithPeerings, UpdateStages.WithServiceProviderNotes, UpdateStages.WithServiceProviderProperties, UpdateStages.WithSku {
+    interface Update extends Appliable<ExpressRouteCircuit>, Resource.UpdateWithTags<Update>, UpdateStages.WithAllowClassicOperations, UpdateStages.WithAuthorizations, UpdateStages.WithBandwidthInGbps, UpdateStages.WithCircuitProvisioningState, UpdateStages.WithExpressRoutePort, UpdateStages.WithGatewayManagerEtag, UpdateStages.WithGlobalReachEnabled, UpdateStages.WithPeerings, UpdateStages.WithServiceKey, UpdateStages.WithServiceProviderNotes, UpdateStages.WithServiceProviderProperties, UpdateStages.WithServiceProviderProvisioningState, UpdateStages.WithSku {
     }
 
     /**
@@ -292,6 +340,18 @@ interface WithBandwidthInGbps {
             Update withBandwidthInGbps(Double bandwidthInGbps);
         }
 
+        /**
+         * The stage of the expressroutecircuit update allowing to specify CircuitProvisioningState.
+         */
+        interface WithCircuitProvisioningState {
+            /**
+             * Specifies circuitProvisioningState.
+             * @param circuitProvisioningState The CircuitProvisioningState state of the resource
+             * @return the next update stage
+             */
+            Update withCircuitProvisioningState(String circuitProvisioningState);
+        }
+
         /**
          * The stage of the expressroutecircuit update allowing to specify ExpressRoutePort.
          */
@@ -316,6 +376,18 @@ interface WithGatewayManagerEtag {
             Update withGatewayManagerEtag(String gatewayManagerEtag);
         }
 
+        /**
+         * The stage of the expressroutecircuit update allowing to specify GlobalReachEnabled.
+         */
+        interface WithGlobalReachEnabled {
+            /**
+             * Specifies globalReachEnabled.
+             * @param globalReachEnabled Flag denoting Global reach status
+             * @return the next update stage
+             */
+            Update withGlobalReachEnabled(Boolean globalReachEnabled);
+        }
+
         /**
          * The stage of the expressroutecircuit update allowing to specify Peerings.
          */
@@ -328,6 +400,18 @@ interface WithPeerings {
             Update withPeerings(List<ExpressRouteCircuitPeeringInner> peerings);
         }
 
+        /**
+         * The stage of the expressroutecircuit update allowing to specify ServiceKey.
+         */
+        interface WithServiceKey {
+            /**
+             * Specifies serviceKey.
+             * @param serviceKey The ServiceKey
+             * @return the next update stage
+             */
+            Update withServiceKey(String serviceKey);
+        }
+
         /**
          * The stage of the expressroutecircuit update allowing to specify ServiceProviderNotes.
          */
@@ -352,6 +436,18 @@ interface WithServiceProviderProperties {
             Update withServiceProviderProperties(ExpressRouteCircuitServiceProviderProperties serviceProviderProperties);
         }
 
+        /**
+         * The stage of the expressroutecircuit update allowing to specify ServiceProviderProvisioningState.
+         */
+        interface WithServiceProviderProvisioningState {
+            /**
+             * Specifies serviceProviderProvisioningState.
+             * @param serviceProviderProvisioningState The ServiceProviderProvisioningState state of the resource. Possible values include: 'NotProvisioned', 'Provisioning', 'Provisioned', 'Deprovisioning'
+             * @return the next update stage
+             */
+            Update withServiceProviderProvisioningState(ServiceProviderProvisioningState serviceProviderProvisioningState);
+        }
+
         /**
          * The stage of the expressroutecircuit update allowing to specify Sku.
          */
diff --git a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/ExpressRouteCircuitAuthorization.java b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/ExpressRouteCircuitAuthorization.java
index 19cb2d26ba6e..fdb567c618ba 100644
--- a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/ExpressRouteCircuitAuthorization.java
+++ b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/ExpressRouteCircuitAuthorization.java
@@ -86,6 +86,30 @@ interface WithExpressRouteCircuit {
             WithCreate withExistingExpressRouteCircuit(String resourceGroupName, String circuitName);
         }
 
+        /**
+         * The stage of the expressroutecircuitauthorization definition allowing to specify AuthorizationKey.
+         */
+        interface WithAuthorizationKey {
+            /**
+             * Specifies authorizationKey.
+             * @param authorizationKey The authorization key
+             * @return the next definition stage
+             */
+            WithCreate withAuthorizationKey(String authorizationKey);
+        }
+
+        /**
+         * The stage of the expressroutecircuitauthorization definition allowing to specify AuthorizationUseStatus.
+         */
+        interface WithAuthorizationUseStatus {
+            /**
+             * Specifies authorizationUseStatus.
+             * @param authorizationUseStatus The authorization use status. Possible values include: 'Available', 'InUse'
+             * @return the next definition stage
+             */
+            WithCreate withAuthorizationUseStatus(AuthorizationUseStatus authorizationUseStatus);
+        }
+
         /**
          * The stage of the expressroutecircuitauthorization definition allowing to specify Id.
          */
@@ -115,19 +139,43 @@ interface WithName {
          * the resource to be created (via {@link WithCreate#create()}), but also allows
          * for any other optional settings to be specified.
          */
-        interface WithCreate extends Creatable<ExpressRouteCircuitAuthorization>, DefinitionStages.WithId, DefinitionStages.WithName {
+        interface WithCreate extends Creatable<ExpressRouteCircuitAuthorization>, DefinitionStages.WithAuthorizationKey, DefinitionStages.WithAuthorizationUseStatus, DefinitionStages.WithId, DefinitionStages.WithName {
         }
     }
     /**
      * The template for a ExpressRouteCircuitAuthorization update operation, containing all the settings that can be modified.
      */
-    interface Update extends Appliable<ExpressRouteCircuitAuthorization>, UpdateStages.WithId, UpdateStages.WithName {
+    interface Update extends Appliable<ExpressRouteCircuitAuthorization>, UpdateStages.WithAuthorizationKey, UpdateStages.WithAuthorizationUseStatus, UpdateStages.WithId, UpdateStages.WithName {
     }
 
     /**
      * Grouping of ExpressRouteCircuitAuthorization update stages.
      */
     interface UpdateStages {
+        /**
+         * The stage of the expressroutecircuitauthorization update allowing to specify AuthorizationKey.
+         */
+        interface WithAuthorizationKey {
+            /**
+             * Specifies authorizationKey.
+             * @param authorizationKey The authorization key
+             * @return the next update stage
+             */
+            Update withAuthorizationKey(String authorizationKey);
+        }
+
+        /**
+         * The stage of the expressroutecircuitauthorization update allowing to specify AuthorizationUseStatus.
+         */
+        interface WithAuthorizationUseStatus {
+            /**
+             * Specifies authorizationUseStatus.
+             * @param authorizationUseStatus The authorization use status. Possible values include: 'Available', 'InUse'
+             * @return the next update stage
+             */
+            Update withAuthorizationUseStatus(AuthorizationUseStatus authorizationUseStatus);
+        }
+
         /**
          * The stage of the expressroutecircuitauthorization update allowing to specify Id.
          */
diff --git a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/ExpressRouteCircuitConnection.java b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/ExpressRouteCircuitConnection.java
index 63f06bd0115f..4142a4cabce8 100644
--- a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/ExpressRouteCircuitConnection.java
+++ b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/ExpressRouteCircuitConnection.java
@@ -127,6 +127,18 @@ interface WithAuthorizationKey {
             WithCreate withAuthorizationKey(String authorizationKey);
         }
 
+        /**
+         * The stage of the expressroutecircuitconnection definition allowing to specify CircuitConnectionStatus.
+         */
+        interface WithCircuitConnectionStatus {
+            /**
+             * Specifies circuitConnectionStatus.
+             * @param circuitConnectionStatus Express Route Circuit connection state. Possible values include: 'Connected', 'Connecting', 'Disconnected'
+             * @return the next definition stage
+             */
+            WithCreate withCircuitConnectionStatus(CircuitConnectionStatus circuitConnectionStatus);
+        }
+
         /**
          * The stage of the expressroutecircuitconnection definition allowing to specify ExpressRouteCircuitPeering.
          */
@@ -180,13 +192,13 @@ interface WithPeerExpressRouteCircuitPeering {
          * the resource to be created (via {@link WithCreate#create()}), but also allows
          * for any other optional settings to be specified.
          */
-        interface WithCreate extends Creatable<ExpressRouteCircuitConnection>, DefinitionStages.WithAddressPrefix, DefinitionStages.WithAuthorizationKey, DefinitionStages.WithExpressRouteCircuitPeering, DefinitionStages.WithId, DefinitionStages.WithName, DefinitionStages.WithPeerExpressRouteCircuitPeering {
+        interface WithCreate extends Creatable<ExpressRouteCircuitConnection>, DefinitionStages.WithAddressPrefix, DefinitionStages.WithAuthorizationKey, DefinitionStages.WithCircuitConnectionStatus, DefinitionStages.WithExpressRouteCircuitPeering, DefinitionStages.WithId, DefinitionStages.WithName, DefinitionStages.WithPeerExpressRouteCircuitPeering {
         }
     }
     /**
      * The template for a ExpressRouteCircuitConnection update operation, containing all the settings that can be modified.
      */
-    interface Update extends Appliable<ExpressRouteCircuitConnection>, UpdateStages.WithAddressPrefix, UpdateStages.WithAuthorizationKey, UpdateStages.WithExpressRouteCircuitPeering, UpdateStages.WithId, UpdateStages.WithName, UpdateStages.WithPeerExpressRouteCircuitPeering {
+    interface Update extends Appliable<ExpressRouteCircuitConnection>, UpdateStages.WithAddressPrefix, UpdateStages.WithAuthorizationKey, UpdateStages.WithCircuitConnectionStatus, UpdateStages.WithExpressRouteCircuitPeering, UpdateStages.WithId, UpdateStages.WithName, UpdateStages.WithPeerExpressRouteCircuitPeering {
     }
 
     /**
@@ -217,6 +229,18 @@ interface WithAuthorizationKey {
             Update withAuthorizationKey(String authorizationKey);
         }
 
+        /**
+         * The stage of the expressroutecircuitconnection update allowing to specify CircuitConnectionStatus.
+         */
+        interface WithCircuitConnectionStatus {
+            /**
+             * Specifies circuitConnectionStatus.
+             * @param circuitConnectionStatus Express Route Circuit connection state. Possible values include: 'Connected', 'Connecting', 'Disconnected'
+             * @return the next update stage
+             */
+            Update withCircuitConnectionStatus(CircuitConnectionStatus circuitConnectionStatus);
+        }
+
         /**
          * The stage of the expressroutecircuitconnection update allowing to specify ExpressRouteCircuitPeering.
          */
diff --git a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/ExpressRouteCircuitPeering.java b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/ExpressRouteCircuitPeering.java
index 4ea8dbe21476..a3709a358bcc 100644
--- a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/ExpressRouteCircuitPeering.java
+++ b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/ExpressRouteCircuitPeering.java
@@ -19,6 +19,7 @@
 import com.microsoft.azure.management.network.v2019_09_01.implementation.NetworkManager;
 import com.microsoft.azure.SubResource;
 import java.util.List;
+import com.microsoft.azure.management.network.v2019_09_01.implementation.ExpressRouteCircuitConnectionInner;
 import com.microsoft.azure.management.network.v2019_09_01.implementation.ExpressRouteCircuitStatsInner;
 
 /**
@@ -174,6 +175,30 @@ interface WithExpressRouteCircuit {
             WithCreate withExistingExpressRouteCircuit(String resourceGroupName, String circuitName);
         }
 
+        /**
+         * The stage of the expressroutecircuitpeering definition allowing to specify AzureASN.
+         */
+        interface WithAzureASN {
+            /**
+             * Specifies azureASN.
+             * @param azureASN The Azure ASN
+             * @return the next definition stage
+             */
+            WithCreate withAzureASN(Integer azureASN);
+        }
+
+        /**
+         * The stage of the expressroutecircuitpeering definition allowing to specify Connections.
+         */
+        interface WithConnections {
+            /**
+             * Specifies connections.
+             * @param connections The list of circuit connections associated with Azure Private Peering for this circuit
+             * @return the next definition stage
+             */
+            WithCreate withConnections(List<ExpressRouteCircuitConnectionInner> connections);
+        }
+
         /**
          * The stage of the expressroutecircuitpeering definition allowing to specify ExpressRouteConnection.
          */
@@ -270,6 +295,18 @@ interface WithPeeringType {
             WithCreate withPeeringType(ExpressRoutePeeringType peeringType);
         }
 
+        /**
+         * The stage of the expressroutecircuitpeering definition allowing to specify PrimaryAzurePort.
+         */
+        interface WithPrimaryAzurePort {
+            /**
+             * Specifies primaryAzurePort.
+             * @param primaryAzurePort The primary port
+             * @return the next definition stage
+             */
+            WithCreate withPrimaryAzurePort(String primaryAzurePort);
+        }
+
         /**
          * The stage of the expressroutecircuitpeering definition allowing to specify PrimaryPeerAddressPrefix.
          */
@@ -294,6 +331,18 @@ interface WithRouteFilter {
             WithCreate withRouteFilter(SubResource routeFilter);
         }
 
+        /**
+         * The stage of the expressroutecircuitpeering definition allowing to specify SecondaryAzurePort.
+         */
+        interface WithSecondaryAzurePort {
+            /**
+             * Specifies secondaryAzurePort.
+             * @param secondaryAzurePort The secondary port
+             * @return the next definition stage
+             */
+            WithCreate withSecondaryAzurePort(String secondaryAzurePort);
+        }
+
         /**
          * The stage of the expressroutecircuitpeering definition allowing to specify SecondaryPeerAddressPrefix.
          */
@@ -359,19 +408,43 @@ interface WithVlanId {
          * the resource to be created (via {@link WithCreate#create()}), but also allows
          * for any other optional settings to be specified.
          */
-        interface WithCreate extends Creatable<ExpressRouteCircuitPeering>, DefinitionStages.WithExpressRouteConnection, DefinitionStages.WithGatewayManagerEtag, DefinitionStages.WithId, DefinitionStages.WithIpv6PeeringConfig, DefinitionStages.WithMicrosoftPeeringConfig, DefinitionStages.WithName, DefinitionStages.WithPeerASN, DefinitionStages.WithPeeringType, DefinitionStages.WithPrimaryPeerAddressPrefix, DefinitionStages.WithRouteFilter, DefinitionStages.WithSecondaryPeerAddressPrefix, DefinitionStages.WithSharedKey, DefinitionStages.WithState, DefinitionStages.WithStats, DefinitionStages.WithVlanId {
+        interface WithCreate extends Creatable<ExpressRouteCircuitPeering>, DefinitionStages.WithAzureASN, DefinitionStages.WithConnections, DefinitionStages.WithExpressRouteConnection, DefinitionStages.WithGatewayManagerEtag, DefinitionStages.WithId, DefinitionStages.WithIpv6PeeringConfig, DefinitionStages.WithMicrosoftPeeringConfig, DefinitionStages.WithName, DefinitionStages.WithPeerASN, DefinitionStages.WithPeeringType, DefinitionStages.WithPrimaryAzurePort, DefinitionStages.WithPrimaryPeerAddressPrefix, DefinitionStages.WithRouteFilter, DefinitionStages.WithSecondaryAzurePort, DefinitionStages.WithSecondaryPeerAddressPrefix, DefinitionStages.WithSharedKey, DefinitionStages.WithState, DefinitionStages.WithStats, DefinitionStages.WithVlanId {
         }
     }
     /**
      * The template for a ExpressRouteCircuitPeering update operation, containing all the settings that can be modified.
      */
-    interface Update extends Appliable<ExpressRouteCircuitPeering>, UpdateStages.WithExpressRouteConnection, UpdateStages.WithGatewayManagerEtag, UpdateStages.WithId, UpdateStages.WithIpv6PeeringConfig, UpdateStages.WithMicrosoftPeeringConfig, UpdateStages.WithName, UpdateStages.WithPeerASN, UpdateStages.WithPeeringType, UpdateStages.WithPrimaryPeerAddressPrefix, UpdateStages.WithRouteFilter, UpdateStages.WithSecondaryPeerAddressPrefix, UpdateStages.WithSharedKey, UpdateStages.WithState, UpdateStages.WithStats, UpdateStages.WithVlanId {
+    interface Update extends Appliable<ExpressRouteCircuitPeering>, UpdateStages.WithAzureASN, UpdateStages.WithConnections, UpdateStages.WithExpressRouteConnection, UpdateStages.WithGatewayManagerEtag, UpdateStages.WithId, UpdateStages.WithIpv6PeeringConfig, UpdateStages.WithMicrosoftPeeringConfig, UpdateStages.WithName, UpdateStages.WithPeerASN, UpdateStages.WithPeeringType, UpdateStages.WithPrimaryAzurePort, UpdateStages.WithPrimaryPeerAddressPrefix, UpdateStages.WithRouteFilter, UpdateStages.WithSecondaryAzurePort, UpdateStages.WithSecondaryPeerAddressPrefix, UpdateStages.WithSharedKey, UpdateStages.WithState, UpdateStages.WithStats, UpdateStages.WithVlanId {
     }
 
     /**
      * Grouping of ExpressRouteCircuitPeering update stages.
      */
     interface UpdateStages {
+        /**
+         * The stage of the expressroutecircuitpeering update allowing to specify AzureASN.
+         */
+        interface WithAzureASN {
+            /**
+             * Specifies azureASN.
+             * @param azureASN The Azure ASN
+             * @return the next update stage
+             */
+            Update withAzureASN(Integer azureASN);
+        }
+
+        /**
+         * The stage of the expressroutecircuitpeering update allowing to specify Connections.
+         */
+        interface WithConnections {
+            /**
+             * Specifies connections.
+             * @param connections The list of circuit connections associated with Azure Private Peering for this circuit
+             * @return the next update stage
+             */
+            Update withConnections(List<ExpressRouteCircuitConnectionInner> connections);
+        }
+
         /**
          * The stage of the expressroutecircuitpeering update allowing to specify ExpressRouteConnection.
          */
@@ -468,6 +541,18 @@ interface WithPeeringType {
             Update withPeeringType(ExpressRoutePeeringType peeringType);
         }
 
+        /**
+         * The stage of the expressroutecircuitpeering update allowing to specify PrimaryAzurePort.
+         */
+        interface WithPrimaryAzurePort {
+            /**
+             * Specifies primaryAzurePort.
+             * @param primaryAzurePort The primary port
+             * @return the next update stage
+             */
+            Update withPrimaryAzurePort(String primaryAzurePort);
+        }
+
         /**
          * The stage of the expressroutecircuitpeering update allowing to specify PrimaryPeerAddressPrefix.
          */
@@ -492,6 +577,18 @@ interface WithRouteFilter {
             Update withRouteFilter(SubResource routeFilter);
         }
 
+        /**
+         * The stage of the expressroutecircuitpeering update allowing to specify SecondaryAzurePort.
+         */
+        interface WithSecondaryAzurePort {
+            /**
+             * Specifies secondaryAzurePort.
+             * @param secondaryAzurePort The secondary port
+             * @return the next update stage
+             */
+            Update withSecondaryAzurePort(String secondaryAzurePort);
+        }
+
         /**
          * The stage of the expressroutecircuitpeering update allowing to specify SecondaryPeerAddressPrefix.
          */
diff --git a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/Subnet.java b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/Subnet.java
index a53788c19d08..1ee508e1aa06 100644
--- a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/Subnet.java
+++ b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/Subnet.java
@@ -22,8 +22,6 @@
 import com.microsoft.azure.management.network.v2019_09_01.implementation.NetworkSecurityGroupInner;
 import com.microsoft.azure.management.network.v2019_09_01.implementation.RouteTableInner;
 import com.microsoft.azure.management.network.v2019_09_01.implementation.ServiceEndpointPolicyInner;
-import com.microsoft.azure.management.network.v2019_09_01.implementation.ResourceNavigationLinkInner;
-import com.microsoft.azure.management.network.v2019_09_01.implementation.ServiceAssociationLinkInner;
 
 /**
  * Type representing Subnet.
diff --git a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/AzureFirewallsInner.java b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/AzureFirewallsInner.java
index 342e7ad49138..838f485ee7be 100644
--- a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/AzureFirewallsInner.java
+++ b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/AzureFirewallsInner.java
@@ -91,6 +91,10 @@ interface AzureFirewallsService {
         @PATCH("subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/azureFirewalls/{azureFirewallName}")
         Observable<Response<ResponseBody>> updateTags(@Path("resourceGroupName") String resourceGroupName, @Path("azureFirewallName") String azureFirewallName, @Path("subscriptionId") String subscriptionId, @Query("api-version") String apiVersion, @Header("accept-language") String acceptLanguage, @Body TagsObject parameters, @Header("User-Agent") String userAgent);
 
+        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.network.v2019_09_01.AzureFirewalls beginUpdateTags" })
+        @PATCH("subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/azureFirewalls/{azureFirewallName}")
+        Observable<Response<ResponseBody>> beginUpdateTags(@Path("resourceGroupName") String resourceGroupName, @Path("azureFirewallName") String azureFirewallName, @Path("subscriptionId") String subscriptionId, @Query("api-version") String apiVersion, @Header("accept-language") String acceptLanguage, @Body TagsObject parameters, @Header("User-Agent") String userAgent);
+
         @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.network.v2019_09_01.AzureFirewalls listByResourceGroup" })
         @GET("subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/azureFirewalls")
         Observable<Response<ResponseBody>> listByResourceGroup(@Path("resourceGroupName") String resourceGroupName, @Path("subscriptionId") String subscriptionId, @Query("api-version") String apiVersion, @Header("accept-language") String acceptLanguage, @Header("User-Agent") String userAgent);
@@ -523,7 +527,7 @@ private ServiceResponse<AzureFirewallInner> beginCreateOrUpdateDelegate(Response
      * @return the AzureFirewallInner object if successful.
      */
     public AzureFirewallInner updateTags(String resourceGroupName, String azureFirewallName) {
-        return updateTagsWithServiceResponseAsync(resourceGroupName, azureFirewallName).toBlocking().single().body();
+        return updateTagsWithServiceResponseAsync(resourceGroupName, azureFirewallName).toBlocking().last().body();
     }
 
     /**
@@ -545,7 +549,7 @@ public ServiceFuture<AzureFirewallInner> updateTagsAsync(String resourceGroupNam
      * @param resourceGroupName The name of the resource group.
      * @param azureFirewallName The name of the Azure Firewall.
      * @throws IllegalArgumentException thrown if parameters fail the validation
-     * @return the observable to the AzureFirewallInner object
+     * @return the observable for the request
      */
     public Observable<AzureFirewallInner> updateTagsAsync(String resourceGroupName, String azureFirewallName) {
         return updateTagsWithServiceResponseAsync(resourceGroupName, azureFirewallName).map(new Func1<ServiceResponse<AzureFirewallInner>, AzureFirewallInner>() {
@@ -562,7 +566,7 @@ public AzureFirewallInner call(ServiceResponse<AzureFirewallInner> response) {
      * @param resourceGroupName The name of the resource group.
      * @param azureFirewallName The name of the Azure Firewall.
      * @throws IllegalArgumentException thrown if parameters fail the validation
-     * @return the observable to the AzureFirewallInner object
+     * @return the observable for the request
      */
     public Observable<ServiceResponse<AzureFirewallInner>> updateTagsWithServiceResponseAsync(String resourceGroupName, String azureFirewallName) {
         if (resourceGroupName == null) {
@@ -578,12 +582,155 @@ public Observable<ServiceResponse<AzureFirewallInner>> updateTagsWithServiceResp
         final Map<String, String> tags = null;
         TagsObject parameters = new TagsObject();
         parameters.withTags(null);
-        return service.updateTags(resourceGroupName, azureFirewallName, this.client.subscriptionId(), apiVersion, this.client.acceptLanguage(), parameters, this.client.userAgent())
+        Observable<Response<ResponseBody>> observable = service.updateTags(resourceGroupName, azureFirewallName, this.client.subscriptionId(), apiVersion, this.client.acceptLanguage(), parameters, this.client.userAgent());
+        return client.getAzureClient().getPutOrPatchResultAsync(observable, new TypeToken<AzureFirewallInner>() { }.getType());
+    }
+    /**
+     * Updates tags of an Azure Firewall resource.
+     *
+     * @param resourceGroupName The name of the resource group.
+     * @param azureFirewallName The name of the Azure Firewall.
+     * @param tags Resource tags.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @throws CloudException thrown if the request is rejected by server
+     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
+     * @return the AzureFirewallInner object if successful.
+     */
+    public AzureFirewallInner updateTags(String resourceGroupName, String azureFirewallName, Map<String, String> tags) {
+        return updateTagsWithServiceResponseAsync(resourceGroupName, azureFirewallName, tags).toBlocking().last().body();
+    }
+
+    /**
+     * Updates tags of an Azure Firewall resource.
+     *
+     * @param resourceGroupName The name of the resource group.
+     * @param azureFirewallName The name of the Azure Firewall.
+     * @param tags Resource tags.
+     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @return the {@link ServiceFuture} object
+     */
+    public ServiceFuture<AzureFirewallInner> updateTagsAsync(String resourceGroupName, String azureFirewallName, Map<String, String> tags, final ServiceCallback<AzureFirewallInner> serviceCallback) {
+        return ServiceFuture.fromResponse(updateTagsWithServiceResponseAsync(resourceGroupName, azureFirewallName, tags), serviceCallback);
+    }
+
+    /**
+     * Updates tags of an Azure Firewall resource.
+     *
+     * @param resourceGroupName The name of the resource group.
+     * @param azureFirewallName The name of the Azure Firewall.
+     * @param tags Resource tags.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @return the observable for the request
+     */
+    public Observable<AzureFirewallInner> updateTagsAsync(String resourceGroupName, String azureFirewallName, Map<String, String> tags) {
+        return updateTagsWithServiceResponseAsync(resourceGroupName, azureFirewallName, tags).map(new Func1<ServiceResponse<AzureFirewallInner>, AzureFirewallInner>() {
+            @Override
+            public AzureFirewallInner call(ServiceResponse<AzureFirewallInner> response) {
+                return response.body();
+            }
+        });
+    }
+
+    /**
+     * Updates tags of an Azure Firewall resource.
+     *
+     * @param resourceGroupName The name of the resource group.
+     * @param azureFirewallName The name of the Azure Firewall.
+     * @param tags Resource tags.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @return the observable for the request
+     */
+    public Observable<ServiceResponse<AzureFirewallInner>> updateTagsWithServiceResponseAsync(String resourceGroupName, String azureFirewallName, Map<String, String> tags) {
+        if (resourceGroupName == null) {
+            throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
+        }
+        if (azureFirewallName == null) {
+            throw new IllegalArgumentException("Parameter azureFirewallName is required and cannot be null.");
+        }
+        if (this.client.subscriptionId() == null) {
+            throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
+        }
+        Validator.validate(tags);
+        final String apiVersion = "2019-09-01";
+        TagsObject parameters = new TagsObject();
+        parameters.withTags(tags);
+        Observable<Response<ResponseBody>> observable = service.updateTags(resourceGroupName, azureFirewallName, this.client.subscriptionId(), apiVersion, this.client.acceptLanguage(), parameters, this.client.userAgent());
+        return client.getAzureClient().getPutOrPatchResultAsync(observable, new TypeToken<AzureFirewallInner>() { }.getType());
+    }
+
+    /**
+     * Updates tags of an Azure Firewall resource.
+     *
+     * @param resourceGroupName The name of the resource group.
+     * @param azureFirewallName The name of the Azure Firewall.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @throws CloudException thrown if the request is rejected by server
+     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
+     * @return the AzureFirewallInner object if successful.
+     */
+    public AzureFirewallInner beginUpdateTags(String resourceGroupName, String azureFirewallName) {
+        return beginUpdateTagsWithServiceResponseAsync(resourceGroupName, azureFirewallName).toBlocking().single().body();
+    }
+
+    /**
+     * Updates tags of an Azure Firewall resource.
+     *
+     * @param resourceGroupName The name of the resource group.
+     * @param azureFirewallName The name of the Azure Firewall.
+     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @return the {@link ServiceFuture} object
+     */
+    public ServiceFuture<AzureFirewallInner> beginUpdateTagsAsync(String resourceGroupName, String azureFirewallName, final ServiceCallback<AzureFirewallInner> serviceCallback) {
+        return ServiceFuture.fromResponse(beginUpdateTagsWithServiceResponseAsync(resourceGroupName, azureFirewallName), serviceCallback);
+    }
+
+    /**
+     * Updates tags of an Azure Firewall resource.
+     *
+     * @param resourceGroupName The name of the resource group.
+     * @param azureFirewallName The name of the Azure Firewall.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @return the observable to the AzureFirewallInner object
+     */
+    public Observable<AzureFirewallInner> beginUpdateTagsAsync(String resourceGroupName, String azureFirewallName) {
+        return beginUpdateTagsWithServiceResponseAsync(resourceGroupName, azureFirewallName).map(new Func1<ServiceResponse<AzureFirewallInner>, AzureFirewallInner>() {
+            @Override
+            public AzureFirewallInner call(ServiceResponse<AzureFirewallInner> response) {
+                return response.body();
+            }
+        });
+    }
+
+    /**
+     * Updates tags of an Azure Firewall resource.
+     *
+     * @param resourceGroupName The name of the resource group.
+     * @param azureFirewallName The name of the Azure Firewall.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @return the observable to the AzureFirewallInner object
+     */
+    public Observable<ServiceResponse<AzureFirewallInner>> beginUpdateTagsWithServiceResponseAsync(String resourceGroupName, String azureFirewallName) {
+        if (resourceGroupName == null) {
+            throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
+        }
+        if (azureFirewallName == null) {
+            throw new IllegalArgumentException("Parameter azureFirewallName is required and cannot be null.");
+        }
+        if (this.client.subscriptionId() == null) {
+            throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
+        }
+        final String apiVersion = "2019-09-01";
+        final Map<String, String> tags = null;
+        TagsObject parameters = new TagsObject();
+        parameters.withTags(null);
+        return service.beginUpdateTags(resourceGroupName, azureFirewallName, this.client.subscriptionId(), apiVersion, this.client.acceptLanguage(), parameters, this.client.userAgent())
             .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<AzureFirewallInner>>>() {
                 @Override
                 public Observable<ServiceResponse<AzureFirewallInner>> call(Response<ResponseBody> response) {
                     try {
-                        ServiceResponse<AzureFirewallInner> clientResponse = updateTagsDelegate(response);
+                        ServiceResponse<AzureFirewallInner> clientResponse = beginUpdateTagsDelegate(response);
                         return Observable.just(clientResponse);
                     } catch (Throwable t) {
                         return Observable.error(t);
@@ -603,8 +750,8 @@ public Observable<ServiceResponse<AzureFirewallInner>> call(Response<ResponseBod
      * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
      * @return the AzureFirewallInner object if successful.
      */
-    public AzureFirewallInner updateTags(String resourceGroupName, String azureFirewallName, Map<String, String> tags) {
-        return updateTagsWithServiceResponseAsync(resourceGroupName, azureFirewallName, tags).toBlocking().single().body();
+    public AzureFirewallInner beginUpdateTags(String resourceGroupName, String azureFirewallName, Map<String, String> tags) {
+        return beginUpdateTagsWithServiceResponseAsync(resourceGroupName, azureFirewallName, tags).toBlocking().single().body();
     }
 
     /**
@@ -617,8 +764,8 @@ public AzureFirewallInner updateTags(String resourceGroupName, String azureFirew
      * @throws IllegalArgumentException thrown if parameters fail the validation
      * @return the {@link ServiceFuture} object
      */
-    public ServiceFuture<AzureFirewallInner> updateTagsAsync(String resourceGroupName, String azureFirewallName, Map<String, String> tags, final ServiceCallback<AzureFirewallInner> serviceCallback) {
-        return ServiceFuture.fromResponse(updateTagsWithServiceResponseAsync(resourceGroupName, azureFirewallName, tags), serviceCallback);
+    public ServiceFuture<AzureFirewallInner> beginUpdateTagsAsync(String resourceGroupName, String azureFirewallName, Map<String, String> tags, final ServiceCallback<AzureFirewallInner> serviceCallback) {
+        return ServiceFuture.fromResponse(beginUpdateTagsWithServiceResponseAsync(resourceGroupName, azureFirewallName, tags), serviceCallback);
     }
 
     /**
@@ -630,8 +777,8 @@ public ServiceFuture<AzureFirewallInner> updateTagsAsync(String resourceGroupNam
      * @throws IllegalArgumentException thrown if parameters fail the validation
      * @return the observable to the AzureFirewallInner object
      */
-    public Observable<AzureFirewallInner> updateTagsAsync(String resourceGroupName, String azureFirewallName, Map<String, String> tags) {
-        return updateTagsWithServiceResponseAsync(resourceGroupName, azureFirewallName, tags).map(new Func1<ServiceResponse<AzureFirewallInner>, AzureFirewallInner>() {
+    public Observable<AzureFirewallInner> beginUpdateTagsAsync(String resourceGroupName, String azureFirewallName, Map<String, String> tags) {
+        return beginUpdateTagsWithServiceResponseAsync(resourceGroupName, azureFirewallName, tags).map(new Func1<ServiceResponse<AzureFirewallInner>, AzureFirewallInner>() {
             @Override
             public AzureFirewallInner call(ServiceResponse<AzureFirewallInner> response) {
                 return response.body();
@@ -648,7 +795,7 @@ public AzureFirewallInner call(ServiceResponse<AzureFirewallInner> response) {
      * @throws IllegalArgumentException thrown if parameters fail the validation
      * @return the observable to the AzureFirewallInner object
      */
-    public Observable<ServiceResponse<AzureFirewallInner>> updateTagsWithServiceResponseAsync(String resourceGroupName, String azureFirewallName, Map<String, String> tags) {
+    public Observable<ServiceResponse<AzureFirewallInner>> beginUpdateTagsWithServiceResponseAsync(String resourceGroupName, String azureFirewallName, Map<String, String> tags) {
         if (resourceGroupName == null) {
             throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
         }
@@ -662,12 +809,12 @@ public Observable<ServiceResponse<AzureFirewallInner>> updateTagsWithServiceResp
         final String apiVersion = "2019-09-01";
         TagsObject parameters = new TagsObject();
         parameters.withTags(tags);
-        return service.updateTags(resourceGroupName, azureFirewallName, this.client.subscriptionId(), apiVersion, this.client.acceptLanguage(), parameters, this.client.userAgent())
+        return service.beginUpdateTags(resourceGroupName, azureFirewallName, this.client.subscriptionId(), apiVersion, this.client.acceptLanguage(), parameters, this.client.userAgent())
             .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<AzureFirewallInner>>>() {
                 @Override
                 public Observable<ServiceResponse<AzureFirewallInner>> call(Response<ResponseBody> response) {
                     try {
-                        ServiceResponse<AzureFirewallInner> clientResponse = updateTagsDelegate(response);
+                        ServiceResponse<AzureFirewallInner> clientResponse = beginUpdateTagsDelegate(response);
                         return Observable.just(clientResponse);
                     } catch (Throwable t) {
                         return Observable.error(t);
@@ -676,9 +823,10 @@ public Observable<ServiceResponse<AzureFirewallInner>> call(Response<ResponseBod
             });
     }
 
-    private ServiceResponse<AzureFirewallInner> updateTagsDelegate(Response<ResponseBody> response) throws CloudException, IOException, IllegalArgumentException {
+    private ServiceResponse<AzureFirewallInner> beginUpdateTagsDelegate(Response<ResponseBody> response) throws CloudException, IOException, IllegalArgumentException {
         return this.client.restClient().responseBuilderFactory().<AzureFirewallInner, CloudException>newInstance(this.client.serializerAdapter())
                 .register(200, new TypeToken<AzureFirewallInner>() { }.getType())
+                .register(202, new TypeToken<Void>() { }.getType())
                 .registerError(CloudException.class)
                 .build(response);
     }
diff --git a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitAuthorizationImpl.java b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitAuthorizationImpl.java
index 677da33a3667..c9e10414513c 100644
--- a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitAuthorizationImpl.java
+++ b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitAuthorizationImpl.java
@@ -113,6 +113,18 @@ public ExpressRouteCircuitAuthorizationImpl withExistingExpressRouteCircuit(Stri
         return this;
     }
 
+    @Override
+    public ExpressRouteCircuitAuthorizationImpl withAuthorizationKey(String authorizationKey) {
+        this.inner().withAuthorizationKey(authorizationKey);
+        return this;
+    }
+
+    @Override
+    public ExpressRouteCircuitAuthorizationImpl withAuthorizationUseStatus(AuthorizationUseStatus authorizationUseStatus) {
+        this.inner().withAuthorizationUseStatus(authorizationUseStatus);
+        return this;
+    }
+
     @Override
     public ExpressRouteCircuitAuthorizationImpl withId(String id) {
         this.inner().withId(id);
diff --git a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitAuthorizationInner.java b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitAuthorizationInner.java
index bf55f5f64182..7840988b7a9e 100644
--- a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitAuthorizationInner.java
+++ b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitAuthorizationInner.java
@@ -22,14 +22,14 @@ public class ExpressRouteCircuitAuthorizationInner extends SubResource {
     /**
      * The authorization key.
      */
-    @JsonProperty(value = "properties.authorizationKey", access = JsonProperty.Access.WRITE_ONLY)
+    @JsonProperty(value = "properties.authorizationKey")
     private String authorizationKey;
 
     /**
      * The authorization use status. Possible values include: 'Available',
      * 'InUse'.
      */
-    @JsonProperty(value = "properties.authorizationUseStatus", access = JsonProperty.Access.WRITE_ONLY)
+    @JsonProperty(value = "properties.authorizationUseStatus")
     private AuthorizationUseStatus authorizationUseStatus;
 
     /**
@@ -67,6 +67,17 @@ public String authorizationKey() {
         return this.authorizationKey;
     }
 
+    /**
+     * Set the authorization key.
+     *
+     * @param authorizationKey the authorizationKey value to set
+     * @return the ExpressRouteCircuitAuthorizationInner object itself.
+     */
+    public ExpressRouteCircuitAuthorizationInner withAuthorizationKey(String authorizationKey) {
+        this.authorizationKey = authorizationKey;
+        return this;
+    }
+
     /**
      * Get the authorization use status. Possible values include: 'Available', 'InUse'.
      *
@@ -76,6 +87,17 @@ public AuthorizationUseStatus authorizationUseStatus() {
         return this.authorizationUseStatus;
     }
 
+    /**
+     * Set the authorization use status. Possible values include: 'Available', 'InUse'.
+     *
+     * @param authorizationUseStatus the authorizationUseStatus value to set
+     * @return the ExpressRouteCircuitAuthorizationInner object itself.
+     */
+    public ExpressRouteCircuitAuthorizationInner withAuthorizationUseStatus(AuthorizationUseStatus authorizationUseStatus) {
+        this.authorizationUseStatus = authorizationUseStatus;
+        return this;
+    }
+
     /**
      * Get the provisioning state of the authorization resource. Possible values include: 'Succeeded', 'Updating', 'Deleting', 'Failed'.
      *
diff --git a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitConnectionImpl.java b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitConnectionImpl.java
index f86354374a4b..beeeee373ee4 100644
--- a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitConnectionImpl.java
+++ b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitConnectionImpl.java
@@ -144,6 +144,12 @@ public ExpressRouteCircuitConnectionImpl withAuthorizationKey(String authorizati
         return this;
     }
 
+    @Override
+    public ExpressRouteCircuitConnectionImpl withCircuitConnectionStatus(CircuitConnectionStatus circuitConnectionStatus) {
+        this.inner().withCircuitConnectionStatus(circuitConnectionStatus);
+        return this;
+    }
+
     @Override
     public ExpressRouteCircuitConnectionImpl withExpressRouteCircuitPeering(SubResource expressRouteCircuitPeering) {
         this.inner().withExpressRouteCircuitPeering(expressRouteCircuitPeering);
diff --git a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitConnectionInner.java b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitConnectionInner.java
index b0b4be083822..d848ff62c95a 100644
--- a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitConnectionInner.java
+++ b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitConnectionInner.java
@@ -49,7 +49,7 @@ public class ExpressRouteCircuitConnectionInner extends SubResource {
      * Express Route Circuit connection state. Possible values include:
      * 'Connected', 'Connecting', 'Disconnected'.
      */
-    @JsonProperty(value = "properties.circuitConnectionStatus", access = JsonProperty.Access.WRITE_ONLY)
+    @JsonProperty(value = "properties.circuitConnectionStatus")
     private CircuitConnectionStatus circuitConnectionStatus;
 
     /**
@@ -167,6 +167,17 @@ public CircuitConnectionStatus circuitConnectionStatus() {
         return this.circuitConnectionStatus;
     }
 
+    /**
+     * Set express Route Circuit connection state. Possible values include: 'Connected', 'Connecting', 'Disconnected'.
+     *
+     * @param circuitConnectionStatus the circuitConnectionStatus value to set
+     * @return the ExpressRouteCircuitConnectionInner object itself.
+     */
+    public ExpressRouteCircuitConnectionInner withCircuitConnectionStatus(CircuitConnectionStatus circuitConnectionStatus) {
+        this.circuitConnectionStatus = circuitConnectionStatus;
+        return this;
+    }
+
     /**
      * Get the provisioning state of the express route circuit connection resource. Possible values include: 'Succeeded', 'Updating', 'Deleting', 'Failed'.
      *
diff --git a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitImpl.java b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitImpl.java
index a6606ffc19ac..120008a37f23 100644
--- a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitImpl.java
+++ b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitImpl.java
@@ -162,6 +162,12 @@ public ExpressRouteCircuitImpl withBandwidthInGbps(Double bandwidthInGbps) {
         return this;
     }
 
+    @Override
+    public ExpressRouteCircuitImpl withCircuitProvisioningState(String circuitProvisioningState) {
+        this.inner().withCircuitProvisioningState(circuitProvisioningState);
+        return this;
+    }
+
     @Override
     public ExpressRouteCircuitImpl withExpressRoutePort(SubResource expressRoutePort) {
         this.inner().withExpressRoutePort(expressRoutePort);
@@ -174,12 +180,24 @@ public ExpressRouteCircuitImpl withGatewayManagerEtag(String gatewayManagerEtag)
         return this;
     }
 
+    @Override
+    public ExpressRouteCircuitImpl withGlobalReachEnabled(Boolean globalReachEnabled) {
+        this.inner().withGlobalReachEnabled(globalReachEnabled);
+        return this;
+    }
+
     @Override
     public ExpressRouteCircuitImpl withPeerings(List<ExpressRouteCircuitPeeringInner> peerings) {
         this.inner().withPeerings(peerings);
         return this;
     }
 
+    @Override
+    public ExpressRouteCircuitImpl withServiceKey(String serviceKey) {
+        this.inner().withServiceKey(serviceKey);
+        return this;
+    }
+
     @Override
     public ExpressRouteCircuitImpl withServiceProviderNotes(String serviceProviderNotes) {
         this.inner().withServiceProviderNotes(serviceProviderNotes);
@@ -192,6 +210,12 @@ public ExpressRouteCircuitImpl withServiceProviderProperties(ExpressRouteCircuit
         return this;
     }
 
+    @Override
+    public ExpressRouteCircuitImpl withServiceProviderProvisioningState(ServiceProviderProvisioningState serviceProviderProvisioningState) {
+        this.inner().withServiceProviderProvisioningState(serviceProviderProvisioningState);
+        return this;
+    }
+
     @Override
     public ExpressRouteCircuitImpl withSku(ExpressRouteCircuitSku sku) {
         this.inner().withSku(sku);
diff --git a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitInner.java b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitInner.java
index d64458d3ee9c..857c3a99aadd 100644
--- a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitInner.java
+++ b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitInner.java
@@ -40,7 +40,7 @@ public class ExpressRouteCircuitInner extends Resource {
     /**
      * The CircuitProvisioningState state of the resource.
      */
-    @JsonProperty(value = "properties.circuitProvisioningState", access = JsonProperty.Access.WRITE_ONLY)
+    @JsonProperty(value = "properties.circuitProvisioningState")
     private String circuitProvisioningState;
 
     /**
@@ -48,7 +48,7 @@ public class ExpressRouteCircuitInner extends Resource {
      * values include: 'NotProvisioned', 'Provisioning', 'Provisioned',
      * 'Deprovisioning'.
      */
-    @JsonProperty(value = "properties.serviceProviderProvisioningState", access = JsonProperty.Access.WRITE_ONLY)
+    @JsonProperty(value = "properties.serviceProviderProvisioningState")
     private ServiceProviderProvisioningState serviceProviderProvisioningState;
 
     /**
@@ -66,7 +66,7 @@ public class ExpressRouteCircuitInner extends Resource {
     /**
      * The ServiceKey.
      */
-    @JsonProperty(value = "properties.serviceKey", access = JsonProperty.Access.WRITE_ONLY)
+    @JsonProperty(value = "properties.serviceKey")
     private String serviceKey;
 
     /**
@@ -117,7 +117,7 @@ public class ExpressRouteCircuitInner extends Resource {
     /**
      * Flag denoting Global reach status.
      */
-    @JsonProperty(value = "properties.globalReachEnabled", access = JsonProperty.Access.WRITE_ONLY)
+    @JsonProperty(value = "properties.globalReachEnabled")
     private Boolean globalReachEnabled;
 
     /**
@@ -181,6 +181,17 @@ public String circuitProvisioningState() {
         return this.circuitProvisioningState;
     }
 
+    /**
+     * Set the CircuitProvisioningState state of the resource.
+     *
+     * @param circuitProvisioningState the circuitProvisioningState value to set
+     * @return the ExpressRouteCircuitInner object itself.
+     */
+    public ExpressRouteCircuitInner withCircuitProvisioningState(String circuitProvisioningState) {
+        this.circuitProvisioningState = circuitProvisioningState;
+        return this;
+    }
+
     /**
      * Get the ServiceProviderProvisioningState state of the resource. Possible values include: 'NotProvisioned', 'Provisioning', 'Provisioned', 'Deprovisioning'.
      *
@@ -190,6 +201,17 @@ public ServiceProviderProvisioningState serviceProviderProvisioningState() {
         return this.serviceProviderProvisioningState;
     }
 
+    /**
+     * Set the ServiceProviderProvisioningState state of the resource. Possible values include: 'NotProvisioned', 'Provisioning', 'Provisioned', 'Deprovisioning'.
+     *
+     * @param serviceProviderProvisioningState the serviceProviderProvisioningState value to set
+     * @return the ExpressRouteCircuitInner object itself.
+     */
+    public ExpressRouteCircuitInner withServiceProviderProvisioningState(ServiceProviderProvisioningState serviceProviderProvisioningState) {
+        this.serviceProviderProvisioningState = serviceProviderProvisioningState;
+        return this;
+    }
+
     /**
      * Get the list of authorizations.
      *
@@ -239,6 +261,17 @@ public String serviceKey() {
         return this.serviceKey;
     }
 
+    /**
+     * Set the ServiceKey.
+     *
+     * @param serviceKey the serviceKey value to set
+     * @return the ExpressRouteCircuitInner object itself.
+     */
+    public ExpressRouteCircuitInner withServiceKey(String serviceKey) {
+        this.serviceKey = serviceKey;
+        return this;
+    }
+
     /**
      * Get the ServiceProviderNotes.
      *
@@ -366,6 +399,17 @@ public Boolean globalReachEnabled() {
         return this.globalReachEnabled;
     }
 
+    /**
+     * Set flag denoting Global reach status.
+     *
+     * @param globalReachEnabled the globalReachEnabled value to set
+     * @return the ExpressRouteCircuitInner object itself.
+     */
+    public ExpressRouteCircuitInner withGlobalReachEnabled(Boolean globalReachEnabled) {
+        this.globalReachEnabled = globalReachEnabled;
+        return this;
+    }
+
     /**
      * Get a unique read-only string that changes whenever the resource is updated.
      *
diff --git a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitPeeringImpl.java b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitPeeringImpl.java
index b54dff592f5d..53d6eec39994 100644
--- a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitPeeringImpl.java
+++ b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitPeeringImpl.java
@@ -225,6 +225,18 @@ public ExpressRouteCircuitPeeringImpl withExistingExpressRouteCircuit(String res
         return this;
     }
 
+    @Override
+    public ExpressRouteCircuitPeeringImpl withAzureASN(Integer azureASN) {
+        this.inner().withAzureASN(azureASN);
+        return this;
+    }
+
+    @Override
+    public ExpressRouteCircuitPeeringImpl withConnections(List<ExpressRouteCircuitConnectionInner> connections) {
+        this.inner().withConnections(connections);
+        return this;
+    }
+
     @Override
     public ExpressRouteCircuitPeeringImpl withExpressRouteConnection(ExpressRouteConnectionId expressRouteConnection) {
         this.inner().withExpressRouteConnection(expressRouteConnection);
@@ -273,6 +285,12 @@ public ExpressRouteCircuitPeeringImpl withPeeringType(ExpressRoutePeeringType pe
         return this;
     }
 
+    @Override
+    public ExpressRouteCircuitPeeringImpl withPrimaryAzurePort(String primaryAzurePort) {
+        this.inner().withPrimaryAzurePort(primaryAzurePort);
+        return this;
+    }
+
     @Override
     public ExpressRouteCircuitPeeringImpl withPrimaryPeerAddressPrefix(String primaryPeerAddressPrefix) {
         this.inner().withPrimaryPeerAddressPrefix(primaryPeerAddressPrefix);
@@ -285,6 +303,12 @@ public ExpressRouteCircuitPeeringImpl withRouteFilter(SubResource routeFilter) {
         return this;
     }
 
+    @Override
+    public ExpressRouteCircuitPeeringImpl withSecondaryAzurePort(String secondaryAzurePort) {
+        this.inner().withSecondaryAzurePort(secondaryAzurePort);
+        return this;
+    }
+
     @Override
     public ExpressRouteCircuitPeeringImpl withSecondaryPeerAddressPrefix(String secondaryPeerAddressPrefix) {
         this.inner().withSecondaryPeerAddressPrefix(secondaryPeerAddressPrefix);
diff --git a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitPeeringInner.java b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitPeeringInner.java
index e581d660bc36..b683c7e9447e 100644
--- a/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitPeeringInner.java
+++ b/sdk/network/mgmt-v2019_09_01/src/main/java/com/microsoft/azure/management/network/v2019_09_01/implementation/ExpressRouteCircuitPeeringInner.java
@@ -40,7 +40,7 @@ public class ExpressRouteCircuitPeeringInner extends SubResource {
     /**
      * The Azure ASN.
      */
-    @JsonProperty(value = "properties.azureASN", access = JsonProperty.Access.WRITE_ONLY)
+    @JsonProperty(value = "properties.azureASN")
     private Integer azureASN;
 
     /**
@@ -64,13 +64,13 @@ public class ExpressRouteCircuitPeeringInner extends SubResource {
     /**
      * The primary port.
      */
-    @JsonProperty(value = "properties.primaryAzurePort", access = JsonProperty.Access.WRITE_ONLY)
+    @JsonProperty(value = "properties.primaryAzurePort")
     private String primaryAzurePort;
 
     /**
      * The secondary port.
      */
-    @JsonProperty(value = "properties.secondaryAzurePort", access = JsonProperty.Access.WRITE_ONLY)
+    @JsonProperty(value = "properties.secondaryAzurePort")
     private String secondaryAzurePort;
 
     /**
@@ -138,7 +138,7 @@ public class ExpressRouteCircuitPeeringInner extends SubResource {
      * The list of circuit connections associated with Azure Private Peering
      * for this circuit.
      */
-    @JsonProperty(value = "properties.connections", access = JsonProperty.Access.WRITE_ONLY)
+    @JsonProperty(value = "properties.connections")
     private List<ExpressRouteCircuitConnectionInner> connections;
 
     /**
@@ -216,6 +216,17 @@ public Integer azureASN() {
         return this.azureASN;
     }
 
+    /**
+     * Set the Azure ASN.
+     *
+     * @param azureASN the azureASN value to set
+     * @return the ExpressRouteCircuitPeeringInner object itself.
+     */
+    public ExpressRouteCircuitPeeringInner withAzureASN(Integer azureASN) {
+        this.azureASN = azureASN;
+        return this;
+    }
+
     /**
      * Get the peer ASN.
      *
@@ -285,6 +296,17 @@ public String primaryAzurePort() {
         return this.primaryAzurePort;
     }
 
+    /**
+     * Set the primary port.
+     *
+     * @param primaryAzurePort the primaryAzurePort value to set
+     * @return the ExpressRouteCircuitPeeringInner object itself.
+     */
+    public ExpressRouteCircuitPeeringInner withPrimaryAzurePort(String primaryAzurePort) {
+        this.primaryAzurePort = primaryAzurePort;
+        return this;
+    }
+
     /**
      * Get the secondary port.
      *
@@ -294,6 +316,17 @@ public String secondaryAzurePort() {
         return this.secondaryAzurePort;
     }
 
+    /**
+     * Set the secondary port.
+     *
+     * @param secondaryAzurePort the secondaryAzurePort value to set
+     * @return the ExpressRouteCircuitPeeringInner object itself.
+     */
+    public ExpressRouteCircuitPeeringInner withSecondaryAzurePort(String secondaryAzurePort) {
+        this.secondaryAzurePort = secondaryAzurePort;
+        return this;
+    }
+
     /**
      * Get the shared key.
      *
@@ -481,6 +514,17 @@ public List<ExpressRouteCircuitConnectionInner> connections() {
         return this.connections;
     }
 
+    /**
+     * Set the list of circuit connections associated with Azure Private Peering for this circuit.
+     *
+     * @param connections the connections value to set
+     * @return the ExpressRouteCircuitPeeringInner object itself.
+     */
+    public ExpressRouteCircuitPeeringInner withConnections(List<ExpressRouteCircuitConnectionInner> connections) {
+        this.connections = connections;
+        return this;
+    }
+
     /**
      * Get the list of peered circuit connections associated with Azure Private Peering for this circuit.
      *