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新しく追加したノードで SSH 接続が予期せず終了しました

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環境

ONTAP 9

問題

  • クラスタが混在状態にあり、古いノードに ONTAP 9.15、新しいノードに ONTAP 9.16 がインストールされています
  • 新しく追加されたノードのノードIPアドレスおよびSSH経由のクラスタ管理に接続できません
  • SP/BMCへの接続が機能しています
  • セッションがすぐに終了し、次のエラーメッセージが表示されます：
kex_exchange_identification: Connection closed by remote host
Connection closed by 192.168.1.101 port 22

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