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MTU for Virtual Networks Cannot be Modified

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Problem

  • MTU for Virtual Networks cannot be modified.

  • PCD UI does not provide any option to increase the MTU for Virtual Networks.

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Environment

  • Private Cloud Director Virtualization - v2026.1 and Higher

  • Self Hosted Private Cloud Director Virtualization - v2026.1 and Higher

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Cause

  • This is a known issue and is already reported with ID: PCD-6454.

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Refer the Workaround section on how to set the MTU for Virtual Networks.

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Workaround

  • MTU for Virtual Networks can be modified through CLI.

  • In the RC file that is needed for the communication between pcdctl CLI and PCD, change the variable OS_INTERFACE value from public to admin.

  • Set the relevant tenant name in the OS_PROJECT_NAME variable if applicable.

  • Re-source the RC file.

  • Change the MTU using the below command:

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Additional Information

  • Reach out to Platform9 Support with the issue ID mentioned in the Cause section if there are any questions/concerns.

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