SQL Net client trace

1. Add following parameters in the sqlnet.ora file in CLIENT machine

TRACE_LEVEL_CLIENT = 16
TRACE_FILE_CLIENT = CLIENT
TRACE_DIRECTORY_CLIENT = D:\TRACE
TRACE_UNIQUE_CLIENT = ON
LOG_FILE_CLIENT = CLIENT
LOG_DIRECTORY_CLIENT = D:\TRACE\LOG
TNSPING.TRACE_DIRECTORY = D:\TRACE\TRACE
TNSPING.TRACE_LEVEL = ADMIN

2. Reproduce the issue to find error

3. Disable tracing by removing above entries from sqlnet.ora after generating trace.