Duplicate IP address detected
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Duplicate IP address detected

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Article ID: 317922

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Updated On:

Products

VMware vCenter Server VMware vSphere ESXi

Issue/Introduction

Summary

A duplicate IP address is detected for a vmknic interface configuration. This impacts IPv4 and IPv6.

Example

If 192.168.3.1 is the IP address used by the remote interface 00:50:56:76:b9:ae, the following event will be seen when this very same IP address is being assigned to the local vmknic interface vmk2.

Duplicate IP address detected for 192.168.3.1 on interface vmk2, current owner being 00:50:56:76:b9:ae

Impact

Any services that rely on the misconfigured interface might be affected by IP network connectivity issues. For example, if the interface on which the duplicate IP address is detected is on the vMotion NIC, then vMotion attempts might fail.

Resolution

Correctly set the IP address with the esxcfg-vmknic command or set it to DHCP mode.



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