Wednesday 10 July 2024

Create and modify ExpressRoute Circuits

 

Create and modify ExpressRoute Circuits

This quickstart shows you how to create an ExpressRoute circuit using the Azure portal and the Azure Resource Manager deployment model. You can also check the status, update, delete, or deprovision a circuit.

There are currently two create experience for ExpressRoute circuits in the portal. The new preview create experience is available through this Preview link. The current create experience is available through the Azure portal. For guidance on how to create an ExpressRoute circuit with the preview create experience select the Preview tab at the top of the page.

Diagram of ExpressRoute circuit deployment environment using Azure portal.

Prerequisites

Create and provision an ExpressRoute circuit

Sign in to the Azure portal


Create a new ExpressRoute circuit

 Important

Your ExpressRoute circuit is billed from the moment a service key is issued. Ensure that you perform this operation when the connectivity provider is ready to provision the circuit.

  1. On the Azure portal menu, select + Create a resource. Search for ExpressRoute and then select Create.

     Screenshot of ExpressRoute circuit resource.

  2. On the Create ExpressRoute page. Provide the Resource GroupRegion, and Name for the circuit. Then select Next: Configuration >.

    SettingValue
    Resource groupSelect Create new. Enter ExpressRouteResourceGroup
    Select OK.
    RegionWest US 2
    NameTestERCircuit

    Screenshot of how to configure the resource group and region.

  3. When you enter in the values on this page, make sure that you specify the correct SKU tier (Local, Standard, or Premium) and data metering billing model (Unlimited or Metered).

    Screenshot of how to configure the circuit.

    SettingDescription
    Port typeSelect if you're connecting to a service provider or directly into Microsoft's global network at a peering location.
    Create new or import from classicSelect if you're creating a new circuit or if you're migrating a classic circuit to Azure Resource Manager.
    ProviderSelect the internet service provider who you are requesting your service from.
    Peering LocationSelect the physical location where you're peering with Microsoft.
    SKUSelect the SKU for the ExpressRoute circuit. You can specify Local to get the local SKU, Standard to get the standard SKU or Premium for the premium add-on. You can change between Local, Standard, and Premium.
    Billing modelSelect the billing type for egress data charge. You can specify Metered for a metered data plan and Unlimited for an unlimited data plan. You can change the billing type from Metered to Unlimited.
    Allow classic operationsEnable this option to allow classic virtual networks to link to the circuit.


  4. Select Review + create and then select Create to deploy the ExpressRoute circuit.

View the circuits and properties

View all the circuits

You can view all the circuits that you created by searching for ExpressRoute circuits in the search box at the top of the portal.

Screenshot of ExpressRoute circuit menu.

All Expressroute circuits created in the subscription appear here.

Screenshot of ExpressRoute circuit list.

View the properties

You can view the properties of the circuit by selecting it. On the Overview page for your circuit, you find the Service Key. Provide the service key to the service provider to complete the provisioning process. The service key is unique to your circuit.

Screenshot of ExpressRoute properties.

Send the service key to your connectivity provider for provisioning

On this page, Provider status gives you the current state of provisioning on the service-provider side. Circuit status provides you with the state on the Microsoft side. For more information about circuit provisioning states, see the Workflows article.

When you create a new ExpressRoute circuit, the circuit is in the following state:

Provider status: Not provisioned
Circuit status: Enabled

Screenshot of provisioning process.

The circuit changes to the following state when the connectivity provider is currently enabling it for you:

Provider status: Provisioning
Circuit status: Enabled

To use the ExpressRoute circuit, it must be in the following state:

Provider status: Provisioned
Circuit status: Enabled

Periodically check the status and the state of the circuit key

You can view the properties of the circuit that you're interested in by selecting it. Check the Provider status and ensure that it has moved to Provisioned before you continue.

Screenshot of circuit and provider status.

Create your routing configuration

For step-by-step instructions, refer to the ExpressRoute circuit routing configuration article to create and modify circuit peerings.

Next, link a virtual network to your ExpressRoute circuit. Use the Linking virtual networks to ExpressRoute circuits article when you work with the Resource Manager deployment model.

Getting the status of an ExpressRoute circuit

You can view the status of a circuit by selecting it and viewing the Overview page.

Modifying an ExpressRoute circuit

You can modify certain properties of an ExpressRoute circuit without impacting connectivity. You can modify the bandwidth, SKU, billing model and allow classic operations on the Configuration page. For information on limits and limitations, see the ExpressRoute FAQ.

You can do the following tasks with no downtime:

  • Enable or disable an ExpressRoute Premium add-on for your ExpressRoute circuit.

     Important

    Changing the SKU from Standard/Premium to Local is not supported in Azure portal. To downgrade the SKU to Local, you can use Azure PowerShell or Azure CLI.

  • Increase the bandwidth of your ExpressRoute circuit, provided there's capacity available on the port.

     Important

    • Downgrading the bandwidth of a circuit is not supported.
    • To determine if there is available capacity for a bandwidth upgrade, submit a support request.
  • Change the metering plan from Metered Data to Unlimited Data.

     Important

    Changing the metering plan from Unlimited Data to Metered Data is not supported.

  • You can enable and disable Allow Classic Operations.

     Important

    You may have to recreate the ExpressRoute circuit if there is inadequate capacity on the existing port. You cannot upgrade the circuit if there is no additional capacity available at that location.

    Although you can seamlessly upgrade the bandwidth, you cannot reduce the bandwidth of an ExpressRoute circuit without disruption. Downgrading bandwidth requires you to deprovision the ExpressRoute circuit and then reprovision a new ExpressRoute circuit.

    Disabling the Premium add-on operation can fail if you're using resources that are greater than what is permitted for the standard circuit.

To modify an ExpressRoute circuit, select Configuration.

Screenshot of modifying circuit.

Deprovisioning and deleting an ExpressRoute circuit

  1. On the Azure portal menu, navigate to the ExpressRoute circuit you wish to deprovision.

  2. In the Overview page, select Delete. If there are any associated resources attached to the circuit, you're asked to view the resources. Select Yes to see the associations that need to be removed before starting the deprovisioning process. If there are no associated resources, you can proceed with step 4.

    Screenshot of deprovisioning circuit for ExpressRoute.

  3. In the View Associated Resources of Circuit pane, you can see the resources associated with the circuit. Ensure you delete the resources before proceeding with the deprovisioning of the circuit.

    Screenshot of deleting associated resources to ExpressRoute circuit.

  4. After deleting all associated resources, work with your circuit service provider to deprovision the circuit on their end. The circuit is required to be deprovisioned before it can be deleted.

    Screenshot of deprovisioning the ExpressRoute circuit.

  5. After your circuit service provider has confirmed that they've deprovisioned the circuit, confirm that the Provider status changes to Not provisioned in the Azure portal. Once the Provider status is Not provisioned, you'll be able to delete the circuit.

    Screenshot of deprovisioned circuit.

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