HCX migrated VM's from NSX for vSphere to NSX-T may loss network connectivity
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Article ID: 322504
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Updated On:
Products
VMware NSX
Issue/Introduction
Symptoms:
After a VM is migrated from an NSX for vSphere environment to NSX-T environment using HCX, the VM may loss network connectivity for several minutes.
After this connectivity will resume again.
The Segment Security Profile used on the segment in NSX-T has Non-IP Traffic Block enabled.
The default Segment Security Profile has Non-IP Traffic Block disabled.
After a VM is migrated, a RARP is sent from the VM, this is meant to announce its new location and flush any stale cache.
Environment
VMware NSX-T Data Center
Cause
When the non default Segment Security Profile is used and has Non-IP Traffic Block enabled, this RARP packet will be dropped.
Resolution
This is a known issue impacting NSX-T data center.
Workaround: Disable Non-IP Traffic Block on the Segment Security Profile used on the segment. Please review the following guide on how to edit or create Segment Security Profiles Create a Segment Security Segment Profile.