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Customize Subnets with Google Cloud VPC

When a network needs to expand its capacity, you'll need to customize the subnets and associated VM instances to migrate from only using IPv4 addresses to using both IPv4 and IPv6. In this hands-on lab, you'll follow through with all the necessary steps to make such a migration on the provided infrastructure.

Lab platform
Lab Info
Level
Intermediate
Last updated
Sep 19, 2025
Duration
15m

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Table of Contents
  1. Challenge

    Check Available Networks Status

    Using Cloud Shell, list the networks in the current project.

  2. Challenge

    Switch Network Subnet Mode

    Issue the Cloud Shell command to update the default network to the custom subnet mode.

  3. Challenge

    Update Subnet to Dual Stack

    Execute the Cloud Shell command to modify a subnet's stack type from IPv4 only to IPv4 and IPv6.

  4. Challenge

    Modify VM Instance for IPv6 Use

    Change a specified VM instance to be able to use dual stack type.

  5. Challenge

    Establish Firewall Rule for Internal IPv6 Communication

    Execute a Cloud Shell command to define a new firewall rule to allow internal TCP and UDP traffic.

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