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Knowledge Base

Creating PKS cluster fails in NSX-T Data Center 2.4.x (75208)

Last Updated: 12/3/2021Categories: TroubleshootingTotal Views: 9500Language:
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Symptoms

When provisioning a Kubernetes cluster using Enterprise PKS on vSphere with NSX-T, NCP creates a logical switch for Kubernetes nodes (the Node Network). Although a logical switch may be successfully created and visible in the NSX Manager web interface, the logical switch may not exist in vSphere (vCenter) when nested ESXi hosts are used, resulting in an error.

If the logical switch does not exist in vSphere, when PKS tries to create the Kubernetes primary and worker node VMs on that logical switch, BOSH reports an error similar to:

Error: Unknown CPI error 'Unknown' with message 'Unable to find network 'pks-500bebbd-a41d-425b-bff7-f7415f8a2fz9'. Verify that the portgroup exists.' in 'create_vm' CPI method (CPI request ID: 'cpi-662509')

Cause

This issue occurs because the NSX-T 2.4.x logical switch is not synced to the nested ESXi host and vCenter Server.

Resolution

This issue is resolved in VMware NSX-T 2.5.0, available at VMware Downloads.

Workaround

To work around this issue, invoke the NSX-T Management API and perform a PUT operation on each logical switch object that is in this intermediate state. For more information, see the Update Logical Switch section of the NSX-T Data Center API Guide.

Note: The use of nested ESXi hosts is not supported for production environments of Enterprise PKS.

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Related Products:

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