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メトリックが同じ複数のデフォルトゲートウェイが原因でネームサービスが失敗する

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ontap-9
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環境

  • ONTAP 9
  • CIFS
  • NFSv4

問題

  • クライアントがCIFS / SMB共有にアクセスできない
  • SVMを Active Directoryドメイン(AD)に追加できない
  • ドメインクレデンシャルでログインできません。
  • クライアントから次のエラーが報告されます。

There are currently no logon servers available to service the logon request system error 1311

  • NFSクライアントがホスト名を含むエクスポートをマウントできない
  • ネームサービスに依存するすべてのプロトコル(LDAP、NIS、DNS)に影響
  • 例:

Thu May 26 00:06:13 EDT [<NODENAME>: mgwd: dns.server.timed.out:warning]: DNS server <DNS_IP> did not respond to vserver = <VSERVER> within timeout interval.

EMS logs may include message which include the phrase: "No route to host"

  • 例:

[ 12] Failed to connect to <DNS_IP> for DNS: No route to host

 

  • 設定されたゲートウェイ2エントリのメトリックは同じです。

例:

cluster1::>network route show
Vserver             Destination     Gateway         Metric
------------------- --------------- --------------- ------
CIFS                0.0.0.0/0       10.0.0.254      20
                    0.0.0.0/0       172.16.0.254    10
                    0.0.0.0/0       192.168.0.254   20

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