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FPolicy server frequently disconnects due to TCP port not Listening

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Category:
ontap-9
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nas
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Applies to

  • ONTAP 9
  • FPolicy

Issue

  • After enabling a FPolicy policy, the external engine does not connect
  • Fpolicy is running and listening on the configured port as per netstat -an

Example of netstat -an on the FPolicy server when service is not LISTENING on TCP port 2002, to which Vserver attempts to connect:

C:\> netstat -an | findstr 2002
  Active Connections
    Proto  Local Address          Foreign Address        State
    TCP    0.0.0.0:135            0.0.0.0:0              LISTENING
    TCP    0.0.0.0:445            0.0.0.0:0              LISTENING
    TCP    0.0.0.0:49664          0.0.0.0:0              LISTENING

  • When reviewing a packet trace, the TCP handshake fails
    1. SVM sends a TCP SYN
    2. FPolicy server immediately replies with TCP RST,ACK

 

 

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