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ONTAP 9.7 から 9.8 にアップグレードすると、 SSH 接続に失敗します

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ontap-9
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に適用されます

  • 9.8RC1 へのアップグレード後の ONTAP
  • Secure Shell ( SSH )管理
  • キー交換( KEX )アルゴリズム

問題

  • SSHクライアントからクラスタにログインできません。 SSH クライアントに次の情報が表示されます。
ssh_exchange_identification: Connection closed by remote host.
  • messages.log には次のような

Mon Nov 09 2020 17:24:19 +01:00 [auth:error] 1 2020-11-09T17:24:19.300385+01:00 node-01 sshd 20346 - - error: Unsupported KEX algorithm "diffie-hellman-group14-sha1"

Mon Nov 09 2020 17:24:21 +01:00 [auth:CRITICAL] 1 2020-11-09T17:24:21.042063+01:00 node-01 sshd 20426 - - fatal: /etc/ssh/sshd_config line 101: Bad SSH2 KexAlgorithms 'diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521'.

  • System Manager ( HTTPS アクセス) は影響を受けず、期待どおりに動作します

 

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