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What are the firewall requirements for intercluster SnapMirror with ONTAP 9?

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Applies to

  • ONTAP 9
  • Intercluster SnapMirror

Answer

Firewalls and the intercluster firewall policy must allow

  • ICMP
  • TCP to all source and destination intercluster LIFs, on ports:
    • 10000
    • 11104
    • 11105

Note: ONTAP uses port 11104 to manage intercluster communication sessions; it uses port 11105 to transfer data

  • Bidirectional HTTPS between the intercluster LIFs

Note:  HTTPS is required to configure Data Protection with System Manager

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