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What TCP ports does ONTAP FlexCache use between cache and origin?

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ontap-9
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nas
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Applies to

ONTAP 9

Answer

  • The FlexCache feature uses the intercluster LIFs to connect the cache to the origin
  • The Remote Access Layer (RAL) uses TCP  ports 11104 and 11105.
    • The former port is used for intercluster communication sessions and the latter port is used to transfer data.

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