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🚀 KubeSphere v4.1.2 with Enhancements and Bug Fixes is available now. Read the release notes for v4.1.2 → close
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    1. 1.Create a KubeSphere Cloud account and log in to the platform.
    2. 2.In the upper-right corner, click Console, and then click Lite Cluster on the left.
    3. 3.Create a K8s cluster with KubeSphere installed.
    4. 4.Access KubeSphere with the default account and password (admin/P@88w0rd).
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  2. Documentation / 
  3. Extension User Guide / 
  4. KubeSphere Network / 
  5. Pod IP Pool / 
  6. Edit Overlay Mode

Documentation

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    Edit Overlay Mode

    This section introduces how to edit overlay mode.

    Overlay mode can achieve cross-host container communication without modifying the physical network of the host machines.

    Prerequisites

    • You should join a cluster and have the Cluster Network Resource Management permission within the cluster. For more information, refer to "Cluster Members" and "Cluster Roles".

    • KubeSphere Network should have been installed and enabled.

    Steps

    1. Log in to the KubeSphere web console with a user who has the Cluster Network Resource Management permission, and access your cluster.

    2. Click Network > Pod IP Pools in the left navigation pane.

    3. Click more on the right side of the pod IP pool you want to edit, and then select Edit Overlay Mode from the dropdown list.

    4. In the Edit Overlay Mode dialog box, select IPIP mode or VXLAN mode, and then click OK.

      ModeDescription

      IPIP Mode

      Create an IP in IP tunnel on each node to achieve communication between containers. The values are as follows:

      • Always: Always perform IPIP encapsulation (default).

      • CrossSubnet: Perform IPIP encapsulation only when crossing network segments.

      • Never: Never perform IPIP encapsulation.

      VXLAN Mode

      Create a VXLAN tunnel on each node to achieve communication between containers. The values are as follows:

      • Always: Always perform VXLAN encapsulation.

      • CrossSubnet: Perform VXLAN encapsulation only when crossing network segments.

      • Never: Never perform VXLAN encapsulation.

    Note

    If both are set to Never, BGP mode is used.

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    Thanks for the feedback. If you have a specific question about how to use KubeSphere, ask it on Slack. Open an issue in the GitHub repo if you want to report a problem or suggest an improvement.

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