Wireshark – can provide additional Oracle monitoring troubleshooting information to determine what part of the connection attempt is having issues

Filter on the listener port in my example I am using port ‚1521‘ (e.g. tcp.port == 1521) once filtered make sure to decode the information on port ‚1521‘a s TNS to do this right-click on one of the packets and select ‚Decode As‘ set port ‚1521‘ to TNS

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