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DNS Issue: 11gR1 Through 11.2.0.1 ONLY: Connections To Oracle 11g are Slow or Delayed (Doc ID 561429.1)

Last updated on JUNE 30, 2021

Applies to:

Oracle Net Services - Version 11.1.0.6.0 to 11.2.0.1 [Release 11.1 to 11.2]
Information in this document applies to any platform.
Impacts ONLY versions 11.1.0.6 to 11.2.0.1


Symptoms

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.

 

Cause

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In this Document
Symptoms
Cause
Solution
References

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