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Oracle ZFS Storage Appliance: NAS in Exadata/Exalogic gets Duplicate IP Address Warnings and Disables the N/W Interfaces (Doc ID 1900210.1)

Last updated on JULY 31, 2018

Applies to:

Oracle Exalogic Elastic Cloud X2-2 Full Rack - Version X3 to X4 [Release X3 to X4]
Oracle Exalogic Elastic Cloud X2-2 Half Rack - Version X4 to X4 [Release X4]
Oracle Exalogic Elastic Cloud X2-2 Hardware - Version X4 to X4 [Release X4]
Exadata X3-8b Hardware - Version All Versions to All Versions [Release All Releases]
Exadata X3-2 Hardware - Version All Versions to All Versions [Release All Releases]
7000 Appliance OS (Fishworks)

Goal

How to resolve duplicate address warnings in debug.sys and that the affected interfaces get disabled

This is normal behaviour for Solaris network interfaces when faced with other devices on the network that share the same IP address

 

Example

ip: [ID 759807 kern.warning] WARNING: ipmp2 has duplicate address xxx.xxx.xxx.x (in use by xx:00:00:xx:xx:xx:00:00:00:00:00:00:00:xx:xx:00:xx:xx:xx:x; disabled


Loss of network connectivity is the result

 

Solution

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Goal
Solution


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