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Configure virtual network peering

In this procedure, you use Windows PowerShell to create two virtual networks, each with one subnet. Then, you configure peering between the two virtual networks to enable connectivity between them.

Important

Remember to update the properties for your environment.

Step 1: Create the first virtual network

In this step, you use Windows PowerShell find the HNV provider logical network to create the first virtual network with one subnet. The following example script creates Contoso's virtual network with one subnet.

#Find the HNV Provider Logical Network

$logicalnetworks = Get-NetworkControllerLogicalNetwork -ConnectionUri $uri
foreach ($ln in $logicalnetworks) {
   if ($ln.Properties.NetworkVirtualizationEnabled -eq "True") {
      $HNVProviderLogicalNetwork = $ln
   }
}

#Create the Virtual Subnet

$vsubnet = new-object Microsoft.Windows.NetworkController.VirtualSubnet
$vsubnet.ResourceId = "Contoso"
$vsubnet.Properties = new-object Microsoft.Windows.NetworkController.VirtualSubnetProperties
$vsubnet.Properties.AddressPrefix = "24.30.1.0/24"
$uri=”https://restserver”

#Create the Virtual Network

$vnetproperties = new-object Microsoft.Windows.NetworkController.VirtualNetworkProperties
$vnetproperties.AddressSpace = new-object Microsoft.Windows.NetworkController.AddressSpace
$vnetproperties.AddressSpace.AddressPrefixes = @("24.30.1.0/24")
$vnetproperties.LogicalNetwork = $HNVProviderLogicalNetwork
$vnetproperties.Subnets = @($vsubnet)
New-NetworkControllerVirtualNetwork -ResourceId "Contoso_VNet1" -ConnectionUri $uri -Properties $vnetproperties

Step 2: Create the second virtual network

In this step, you create a second virtual network with one subnet. The following example script creates Woodgrove's virtual network with one subnet.


#Create the Virtual Subnet

$vsubnet = new-object Microsoft.Windows.NetworkController.VirtualSubnet
$vsubnet.ResourceId = "Woodgrove"
$vsubnet.Properties = new-object Microsoft.Windows.NetworkController.VirtualSubnetProperties
$vsubnet.Properties.AddressPrefix = "24.30.2.0/24"
$uri=”https://restserver”

#Create the Virtual Network

$vnetproperties = new-object Microsoft.Windows.NetworkController.VirtualNetworkProperties
$vnetproperties.AddressSpace = new-object Microsoft.Windows.NetworkController.AddressSpace
$vnetproperties.AddressSpace.AddressPrefixes = @("24.30.2.0/24")
$vnetproperties.LogicalNetwork = $HNVProviderLogicalNetwork
$vnetproperties.Subnets = @($vsubnet)
New-NetworkControllerVirtualNetwork -ResourceId "Woodgrove_VNet1" -ConnectionUri $uri -Properties $vnetproperties

Step 3: Configure peering from the first virtual network to the second virtual network

In this step, you configure the peering between the first virtual network and the second virtual network you created in the previous two steps. The following example script establishes virtual network peering from Contoso_vnet1 to Woodgrove_vnet1.

$peeringProperties = New-Object Microsoft.Windows.NetworkController.VirtualNetworkPeeringProperties
$vnet2 = Get-NetworkControllerVirtualNetwork -ConnectionUri $uri -ResourceId "Woodgrove_VNet1"
$peeringProperties.remoteVirtualNetwork = $vnet2

#Indicate whether communication between the two virtual networks
$peeringProperties.allowVirtualnetworkAccess = $true

#Indicates whether forwarded traffic is allowed across the vnets
$peeringProperties.allowForwardedTraffic = $true

#Indicates whether the peer virtual network can access this virtual networks gateway
$peeringProperties.allowGatewayTransit = $false

#Indicates whether this virtual network uses peer virtual networks gateway
$peeringProperties.useRemoteGateways =$false

New-NetworkControllerVirtualNetworkPeering -ConnectionUri $uri -VirtualNetworkId “Contoso_vnet1” -ResourceId “ContosotoWoodgrove” -Properties $peeringProperties

Important

After creating this peering, the vnet status shows Initiated.

Step 4: Configure peering from the second virtual network to the first virtual network

In this step, you configure the peering between the second virtual network and the first virtual network you created in steps 1 and 2 above. The following example script establishes virtual network peering from Woodgrove_vnet1 to Contoso_vnet1.

$peeringProperties = New-Object Microsoft.Windows.NetworkController.VirtualNetworkPeeringProperties
$vnet2=Get-NetworkControllerVirtualNetwork -ConnectionUri $uri -ResourceId "Contoso_VNet1"
$peeringProperties.remoteVirtualNetwork = $vnet2

# Indicates whether communication between the two virtual networks is allowed
$peeringProperties.allowVirtualnetworkAccess = $true

# Indicates whether forwarded traffic will be allowed across the vnets
$peeringProperties.allowForwardedTraffic = $true

# Indicates whether the peer virtual network can access this virtual network's gateway
$peeringProperties.allowGatewayTransit = $false

# Indicates whether this virtual network will use peer virtual network's gateway
$peeringProperties.useRemoteGateways =$false

New-NetworkControllerVirtualNetworkPeering -ConnectionUri $uri -VirtualNetworkId “Woodgrove_vnet1” -ResourceId “WoodgrovetoContoso” -Properties $peeringProperties

After creating this peering, the vnet peering status shows Connected for both the peers. Now, virtual machines in one virtual network can communicate with virtual machines in the peered virtual network.