vSAN Skyline Health Check - "Hosts with duplicate IP issues" may report an alert if configured with BMC NICs
Article ID: 326715
Updated On:
Products
VMware vSAN
Issue/Introduction
The KB provides information on the reasons for reporting false alarms and how to diagnose and resolve them.
Symptoms:
Hosts running ESXi version prior to 8.0U1 with a BMC (Baseboard Management Controller) NIC may report an alert on the vSAN Health Check - Hosts with duplicate IP issues.
For example, the BMC NICs of Dell and HPE are assigned the default addresses of "169.254.1.2" and "16.1.15.2" respectively. These types of private pNICs should be skipped in the check.
Symptoms:
Hosts running ESXi version prior to 8.0U1 with a BMC (Baseboard Management Controller) NIC may report an alert on the vSAN Health Check - Hosts with duplicate IP issues.
For example, the BMC NICs of Dell and HPE are assigned the default addresses of "169.254.1.2" and "16.1.15.2" respectively. These types of private pNICs should be skipped in the check.
Environment
VMware vSAN 8.0.x
Resolution
Upgrade both vCenter and ESXi to version 8.0U1
Workaround:
If an upgrade is not possible then navigate to vSAN Skyline Health and go to "Hosts with duplicate IP issues" to check for duplicate IP info. In the column Duplicate IP if the IP address is for the BMC NICs, for example, "169.254.1.2" or "16.1.15.2" then this can be safely ignored and you can silence the alert.
Workaround:
If an upgrade is not possible then navigate to vSAN Skyline Health and go to "Hosts with duplicate IP issues" to check for duplicate IP info. In the column Duplicate IP if the IP address is for the BMC NICs, for example, "169.254.1.2" or "16.1.15.2" then this can be safely ignored and you can silence the alert.
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