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Unable to create cluster peer relationships

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Applies to

  • ONTAP 9.6+
  • Cluster Peer
  • Pre-Shared Key (PSK) cipher suites

Issue

Cluster Peering stopped working and all new configuration attempts fail after removing  weak cipher suites.
 
Warning in EMS log:
 
Wed Apr 12 11:14:23 +0100 [node-01: mgwd: cpeer.psk.disabled:notice]: The system was unable to find a suitable pre-shared key (PSK) cipher suite required for cluster peering. This is likely because the PSK cipher suites are disabled in the ONTAP security configuration. Cluster peering connections and associated applications may fail as a result.

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