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Solaris Cluster 3.x and VLAN: MESSAGES "WARNING: IP: Hardware address .. trying to be our address" Reported Regularly Implying a Conflict to the IP address of Logical Host in Public Network. (Doc ID 1011117.1)

Last updated on AUGUST 09, 2017

Applies to:

Solaris Cluster - Version 3.0 to 3.3 U2 [Release 3.0 to 3.3]
Oracle Solaris on SPARC (64-bit)
Oracle Solaris on x86-64 (64-bit)

Symptoms

On a Solaris Cluster 3.x the warning messages below have been reported regularly each hour:

 

Cause

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In this Document
Symptoms
Cause
Solution
 (1) Confirm that there is NO defective network adapters OR VLAN switches.
 (2) Confirm if the IP address involved has already been assigned somewhere in the public network.
 (3) If cluster 3.0 is involved, confirm if any of the NAFO INTERFACES are configured as promiscuous mode unexpectedly, by checking the kernel statistics.
 (4) If there is NO conflicting IP addresses in the public network, isolate VLAN switches from performing any routing, if possible.
     (4-1) OPTION 1 : Without rebooting. ( Possible hanging may be experienced )
     (4-2) OPTION 2 : This is a disruptive approach where rebooting is needed.
 (5) If isolating VLAN confirms that the root cause is linked to VLAN switches perform the following accordingly.
References

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