diff --git a/src/Network/Network.Test/ScenarioTests/CortexTests.ps1 b/src/Network/Network.Test/ScenarioTests/CortexTests.ps1
index dfdb416c2a6c..675b1fec7668 100644
--- a/src/Network/Network.Test/ScenarioTests/CortexTests.ps1
+++ b/src/Network/Network.Test/ScenarioTests/CortexTests.ps1
@@ -49,7 +49,7 @@ function Test-CortexCRUD
 		$virtualWan = Get-AzVirtualWan -ResourceGroupName $rgName -Name $virtualWanName
 		Assert-AreEqual $rgName $virtualWan.ResourceGroupName
 		Assert-AreEqual $virtualWanName $virtualWan.Name
-		Assert-AreEqual $false $virtualWan.AllowVnetToVnetTraffic
+		Assert-AreEqual $true $virtualWan.AllowVnetToVnetTraffic
 		Assert-AreEqual $false $virtualWan.AllowBranchToBranchTraffic
 
         $virtualWans = Get-AzureRmVirtualWan -ResourceGroupName $rgName
diff --git a/src/Network/Network/ChangeLog.md b/src/Network/Network/ChangeLog.md
index 02c649d49d8c..3d2ceab1d825 100644
--- a/src/Network/Network/ChangeLog.md
+++ b/src/Network/Network/ChangeLog.md
@@ -20,6 +20,9 @@
 
 ## Upcoming Release
 * Fixed incorrect type of SuccessThresholdRoundTripTimeMs parameter for New-AzNetworkWatcherConnectionMonitorTestConfigurationObject
+* Updated VirtualWan cmdlets to set default value of AllowVnetToVnetTraffic argument to True.
+    - `New-AzVirtualWan`
+    - `Update-AzVirtualWan`
 
 ## Version 2.5.0
 * Updated cmdlets to enable connection on private IP for Virtual Network Gateway.
diff --git a/src/Network/Network/Cortex/VirtualWan/NewAzureRmVirtualWanCommand.cs b/src/Network/Network/Cortex/VirtualWan/NewAzureRmVirtualWanCommand.cs
index bbb9d02f8094..6a1a7ac17e2a 100644
--- a/src/Network/Network/Cortex/VirtualWan/NewAzureRmVirtualWanCommand.cs
+++ b/src/Network/Network/Cortex/VirtualWan/NewAzureRmVirtualWanCommand.cs
@@ -106,7 +106,7 @@ private PSVirtualWan CreateVirtualWan()
             virtualWan.ResourceGroupName = this.ResourceGroupName;
             virtualWan.Location = this.Location;
             virtualWan.AllowBranchToBranchTraffic = this.AllowBranchToBranchTraffic.IsPresent;
-            virtualWan.AllowVnetToVnetTraffic = this.AllowVnetToVnetTraffic.IsPresent;
+            virtualWan.AllowVnetToVnetTraffic = true;
 
             if(string.IsNullOrWhiteSpace(this.VirtualWANType))
             {
diff --git a/src/Network/Network/Cortex/VirtualWan/UpdateAzureRmVirtualWanCommand.cs b/src/Network/Network/Cortex/VirtualWan/UpdateAzureRmVirtualWanCommand.cs
index 8d8bfde8f5df..5abac30b173c 100644
--- a/src/Network/Network/Cortex/VirtualWan/UpdateAzureRmVirtualWanCommand.cs
+++ b/src/Network/Network/Cortex/VirtualWan/UpdateAzureRmVirtualWanCommand.cs
@@ -150,7 +150,7 @@ private PSVirtualWan UpdateVirtualWan()
 
             if (this.AllowVnetToVnetTraffic.HasValue)
             {
-                virtualWanToUpdate.AllowVnetToVnetTraffic = this.AllowVnetToVnetTraffic.Value;
+                virtualWanToUpdate.AllowVnetToVnetTraffic = true;
             }
 
             if (!string.IsNullOrWhiteSpace(this.VirtualWANType))
diff --git a/src/Network/Network/Cortex/VirtualWan/VirtualWanBaseCmdlet.cs b/src/Network/Network/Cortex/VirtualWan/VirtualWanBaseCmdlet.cs
index d36cf65ca609..6ea85be93b88 100644
--- a/src/Network/Network/Cortex/VirtualWan/VirtualWanBaseCmdlet.cs
+++ b/src/Network/Network/Cortex/VirtualWan/VirtualWanBaseCmdlet.cs
@@ -65,6 +65,7 @@ public PSVirtualWan GetVirtualWan(string resourceGroupName, string name)
             var virtualWan = this.VirtualWanClient.Get(resourceGroupName, name);
             var psVirtualWan = ToPsVirtualWan(virtualWan);
             psVirtualWan.ResourceGroupName = resourceGroupName;
+            psVirtualWan.AllowVnetToVnetTraffic = true;
 
             return psVirtualWan;
         }