How to change Azure Public IP SKU upgrade Basic to Standard #Azure #IP #SKU #Blog   Leave a comment

Azure public IP addresses now support the ability to be upgraded from Basic to Standard SKU.  Additionally, any Basic Public Load Balancer can now be upgraded to a Standard Public Load Balancer, while retaining the same public IP address.  So what could be the reason to change the SKU.

First the Difference and the price between Standard and basic

Standard

Standard SKU public IP addresses:

  • Always use static allocation method.
  • Have an adjustable inbound originated flow idle timeout of 4-30 minutes, with a default of 4 minutes, and fixed outbound originated flow idle timeout of 4 minutes.
  • Secure by default and closed to inbound traffic. Allow list inbound traffic with a network security group.
  • Assigned to network interfaces, standard public load balancers, or Application Gateways. For more information about Standard load balancer, see Azure Standard Load Balancer.
  • Can be zone-redundant (advertized from all 3 zones) or zonal (can be created zonal and guaranteed in a specific availability zone). To learn more about availability zones, see Availability zones overview and Standard Load Balancer and Availability Zones. Zone redundant IPs can only be created in regions where 3 availability zones are live. IPs created before zones are live will not be zone redundant.
  • Can be used as anycast frontend IPs for cross-region load balancers (preview functionality).

Cost of single IP Sample

How to change Azure Public IP SKU upgrade Basic to Standard #Azure #IP #SKU #Blog

Basic

All public IP addresses created before the introduction of SKUs are Basic SKU public IP addresses.

With the introduction of SKUs, specify which SKU you would like the public IP address to be.

Basic SKU addresses:

  • Assigned with the static or dynamic allocation method.
  • Have an adjustable inbound originated flow idle timeout of 4-30 minutes, with a default of 4 minutes, and fixed outbound originated flow idle timeout of 4 minutes.
  • Are open by default. Network security groups are recommended but optional for restricting inbound or outbound traffic.
  • Assigned to any Azure resource that can be assigned a public IP address, such as:
    • Network interfaces
    • VPN Gateways
    • Application Gateways
    • Public load balancers
  • Don’t support Availability Zone scenarios. Use Standard SKU public IP for Availability Zone scenarios. To learn more about availability zones, see Availability zones overview and Standard Load Balancer and Availability Zones.

Cost of single IP Sample

How to change Azure Public IP SKU upgrade Basic to Standard #Azure #IP #SKU #Blog

With this Standard seems to have more and better options but is 1 euro more expensive So you could think Always use standard But A public IP address is assigned to the VPN Gateway to enable communication with the remote network. You can only assign a dynamic basic public IP address to a VPN gateway.

So it really depends on what you want to use, suppose you start with basic and need standard you can change this now with PowerShell or cli but not in the GUI

Limitations

  • In order to upgrade a Basic Public IP, it cannot be associated with any Azure resource. Please review this page for more information on how to disassociate public IPs. Similarly, in order to migrate a Reserved IP, it cannot be associated with any Cloud Service. Please review this page for more information on how to disassociate reserved IPs.
  • Public IPs upgraded from Basic to Standard SKU will continue to have no availability zones and therefore cannot be associated with an Azure resource that is either zone-redundant or zonal. Note this only applies to regions that offer availability zones.
  • You cannot downgrade from Standard to Basic.

How to change Azure Public IP SKU upgrade Basic to Standard #Azure #IP #SKU #Blog

In my fresh created IP called demo We change this to a standard IP address

Using the portal to run some powershell commands.

## Variables for the command ##
$rg =”rg-demo-weu-01”
$name = “demo”
$newsku = ‘Standard’
$pubIP = Get-AzPublicIpAddress -name $name -ResourceGroupName $rg

basic resource group and IP address name

How to change Azure Public IP SKU upgrade Basic to Standard #Azure #IP #SKU #Blog

 

## This section is only needed if the Basic IP is not already set to Static ##
$pubIP.PublicIpAllocationMethod = ‘Static’
Set-AzPublicIpAddress -PublicIpAddress $pubIP

image

 

## This section is for conversion to Standard ##
$pubIP.Sku.Name = $newsku
Set-AzPublicIpAddress -PublicIpAddress $pubIP

 

How to change Azure Public IP SKU upgrade Basic to Standard #Azure #IP #SKU #Blog

Fixed IP address SKU changed from Basic to Standard.  Remember there is no option to undo this.

 

Now testing with an used IP and connected to an VM. ( this VM is currently deallocated) as these changes can only be done offline.

How to change Azure Public IP SKU upgrade Basic to Standard #Azure #IP #SKU #Blog

With this the resource changed from basic to Standard.

How to change Azure Public IP SKU upgrade Basic to Standard #Azure #IP #SKU #Blog

 

Try to undo this then the following message is there

Set-AzPublicIpAddress -PublicIpAddress $pubIP

Set-AzPublicIpAddress: Sku property is set at creation time and cannot be changed from Standard to Basic on resource update for resource

 

Changing the SKU is a nice option, that way you can keep the IP and lift the needed options with zero downtime.

 

 

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Posted January 15, 2021 by Robert Smit [MVP] in Azure

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