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DNS Issue: 11gR1 Through ONLY: Connections To Oracle 11g are Slow or Delayed (Doc ID 561429.1)

Last updated on MARCH 31, 2022

Applies to:

Oracle Net Services - Version to [Release 11.1 to 11.2]
Information in this document applies to any platform.
Impacts ONLY versions to


Connections to Oracle 11g are slow and can take anywhere from 10 seconds to 2 minutes.
On connection handshake, Oracle Net client trace shows the delay between 1st Connect Packet and Resend packet on nttrd function.



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