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重複 IP アドレスによる DNS タイムアウト

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ontap-9
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nas
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環境

  • ONTAP 9
  • DNS
  • 重複IP

問題

  • DNSチェックコマンドが失敗しています。
  • ::> dns check -vserver <svm_name>
  • EMSログに以下のエラーが確認されました:
    • secd.dns.server.timed.out:error: DNS server 10.1.2.3 did not respond to vserver=svm1 within timeout interval.
    • netinet.ethr.duplct.ipAdrr: Duplicate IP address XXX.XXX.XXX.XXX!! sent from Ethernet address:XX:XX:XX:XX:XX:XX.
  • LIFをバウンスまたは移行すると一時的に接続が回復しますが、問題はすぐに再発します。
  • ゲートウェイへのパケット損失と重複IPアドレスの警告が確認されました。

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