Performance problem with Oracle*Net Failover when TCP Network down (no IP address) (Doc ID 249213.1)

Last updated on JULY 06, 2016

Applies to:

Oracle Net Services - Version 8.1.7.1 to 12.1.0.2 [Release 8.1.7 to 12.1]
Information in this document applies to any platform.

Symptoms

The Network Interface Card (NIC) or Server box is powered off, or the Network cable is
disconnected from the Server.
Transparent Application Failover (TAF) and/or Connect-time Failover that was taking a
few seconds to occur, is now taking minutes, or even longer, and possibly timing out with an error.

Changes

The Network Card (NIC) no longer "exists" on the TCP/IP Network, and cannot be 'ping'ed.

Cause

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