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Unhealthy SnapMirror relationships because of network issues

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Category:
snapmirror
Specialty:
dp
Last Updated:

Applies to

  • ONTAP 9
  • SnapMirror
  • Networking

Issue

Looking at captured TCPDumps you will see:

  1. A high number of TCP DUP ACK
  2. A high number of fast retransmissions
  3. A high number of Out of Order packets
  4. A high number of resets (RST)

clipboard_efca710231288eeaa5489eb2fa6d7dd6f.png

 

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