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Create and manage network slices - Azure portal

Network slices allow you to host multiple independent logical networks in the same Azure Private 5G Core deployment. Slices are assigned to SIM policies and static IP addresses, providing isolated end-to-end networks that can be customized for different bandwidth and latency requirements.

In this how-to guide, you'll learn how to view, create, modify, and delete network slices using the Azure portal. You can configure a slice/service type (SST) and slice differentiator (SD) for slices associated with SIMs that will be provisioned on a 5G site. If a SIM is provisioned on a 4G site, the slice associated with its SIM policy must contain an empty SD and a value of 1 for the SST.

Prerequisites

  • Ensure you can sign in to the Azure portal using an account with access to the active subscription you identified in Complete the prerequisite tasks for deploying a private mobile network. This account must have the built-in Contributor role at the subscription scope.
  • Identify the name of the Mobile Network resource corresponding to your private mobile network.
  • If you're creating a new slice, collect the information listed in Collect the required information for a network slice. If the slice will be used by 4G UEs, you don't need to collect SST and SD values.
  • If you're making changes to a slice, refer to Collect the required information for a network slice to collect the required values and make sure they're in the correct format.
  • Navigate to your Packet Core Control Plane resource and make sure that the Packet core installation state field contains Succeeded. This to avoid errors when managing your network slices by ensuring no other processes are running. If you just finished running a process, it may take a few minutes for the Packet core installation state field to update.

View existing network slices

You can view your existing network slices in the Azure portal.

  1. Sign in to the Azure portal.

  2. Search for and select the Mobile Network resource representing the private mobile network to which you want to add a slice.

    Screenshot of the Azure portal. It shows the results of a search for a Mobile Network resource.

  3. In the Resource menu, select Slices to see a list of existing network slices.

    Screenshot of the Azure portal showing a list of network slices. The Slices resource menu option is highlighted.

Create a network slice

To provision a new network slice:

  1. Navigate to the list of network slices in your private mobile network, as described in View existing network slices.

  2. Select Create.

    Screenshot of the Azure portal showing the Create slice option.

  3. Use the information you collected in Collect the required information for a network slice to fill in the fields under Create Slice.

    Screenshot of the Azure portal showing the Create slice screen.

  4. Select Create.

  5. Wait while the Azure portal deploys the new network slice. You'll see a confirmation screen when the deployment is complete.

  6. Navigate to the list of network slices, as described in View existing network slices.

  7. Select Refresh.

    Screenshot of the Azure portal showing the Refresh slices option.

  8. Confirm that the new slice exists and shows the expected configuration.

Modify a network slice

To make changes to an existing network slice:

  1. Navigate to the list of network slices in your private mobile network, as described in View existing network slices.

  2. Select the checkbox next to the slice you're interested in and select Modify the selected slice.

    Screenshot of the Azure portal showing the Modify the selected slice option.

  3. Use the information you collected in Collect the required information for a network slice to fill in the fields under Modify Slice with any new values.

    Screenshot of the Azure portal showing the Modify slice screen.

  4. Select Modify.

  5. Wait while the Azure portal redeploys the network slice with the new configuration. You'll see a confirmation screen when the deployment is complete.

  6. Navigate to the list of network slices, as described in View existing network slices.

  7. Select Refresh.

    Screenshot of the Azure portal showing the Refresh slices option.

  8. Confirm that your slice shows the updated configuration.

Delete a network slice

You can delete network slices through the Azure portal. A slice can't be deleted if it's associated with a SIM policy or a static IP address. If you have a 4G site deployed in your mobile network, you can't delete the slice configured with SST value of 1 and empty SD.

To delete a network slice:

  1. Navigate to the list of network slices in your private mobile network, as described in View existing network slices.

  2. Select the checkbox next to each slice you want to delete.

  3. Select Delete.

    Screenshot of the Azure portal showing the Delete slice option.

  4. Select Delete to confirm you want to delete the slice(s).

Next steps