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クラスタ間LIFからのスプーフィングアラート

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Category:
ontap-9
Specialty:
dp<a>2009433088</a>
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環境

  • ONTAP 9
  • ファイアウォールアラート

問題

  • 不明なIPアドレスから次のエラーが報告されました:
[Node_A1: kernel: csm.connectionFailed:debug]: CSM failed to create a connection: localBladeUUID = xxxxx:dblade, remoteBladeUUID = xxxxxx:dblade, uniquifier = 0e05e9bf38812f41, transportType = CT,localVifId = 1026, remoteVifIP = xx.xx.xx.xx, CsmError = CSM_CONNTIMEOUT, ctLoError = CTLOPCP_ERR_UNKNOWN, socketError = 60, and TLSerror = 0.
  • cluster peer ping 到達不能アドレスの表示:



::> cluster peer ping -originating-node xxxx -destination-cluster xxxx
Node: xxxxx          Destination Cluster: xxx
Destination Node IP Address       Count  TTL RTT(ms) Status
---------------- ---------------- ----- ---- ------- -------------------------
Node_B1    <Known IP>      1   64  33.774 interface_reachable
Node_B1        <Unknown IP>        1    -       - unreachable
Node_B2    <Known IP>      1   64  33.807 interface_reachable
Node_B2    <Unknown IP>     1    -       - unreachable

  • cluster peer show -instance 未使用または不明なIPアドレスを表示しています:

例:

::> cluster peer show -cluster Node_B 

            Peer Cluster Name: Node_B
      Remote Intercluster Addresses: 10.61.66.52, 10.61.66.53
    Availability of the Remote Cluster: Available
           Remote Cluster Name: Cluster_B
           Active IP Addresses: 10.61.66.53, 10.61.66.52, 1.1.1.1, 1.2.2.2
          Cluster Serial Number: 1-80-000012
           Remote Cluster Nodes: Node_B1, Node_B2

  • 外部ファイアウォールは、これらを「スプーフィングログ」として検出できます。

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