NSX UI does not display statistics for dFW rules hit count and N_VDS physical NIC statistics.

Products

• VMware NSX

Issue/Introduction

• NSX-T version 2.5.x, 3.0.x 
• NSX-T Manager UI is unable to display N-VDS physical NIC statistics.
• NSX-T Manager UI is unable to display dFW rules hit count statistics. 
• API Call api/v1/transport-nodes/<TN-ID>/network/interfaces/<interfaceID>/stats returns an empty output. 
• A remote console interface exists on the affected ESXi hosts as for example "vusb0"

In the NSX-T syslog.log and nsxapi.log you can see: 

2020-05-11T15:38:14.306Z WARN cvn-hv:HostNodeStatusVertical-0 GSROverwritePullResponseHandler - - [nsx@6876 comp="nsx-manager" level="WARN" subcomp="manager"] Failed to process overwrite stats: app=HostNodeStatusVertical, clientType=cvn-hv, clientToken=66b7c13c-8be0-###-####-########253, error=java.lang.Exception: target type must not be null.d

In the ESXi host logs nsx-syslog.log: 

2021-06-16T04:09:54Z nsx-exporter: NSX 2129105 - [nsx@6876 comp="nsx-esx" subcomp="agg-service" tid="2129548" level="INFO"] [EsxHostNodeStatusVertical][GetHostNodeInterfaceStatistics] Collecting all overwrite interface statistics
2021-06-16T04:09:54Z nsx-exporter: NSX 2129105 - [nsx@6876 comp="nsx-esx" subcomp="agg-service" tid="2129548" level="INFO"] [AddTargetError]: Adding target error [-5002] for [::node_interface:vusb0]
2021-06-16T04:09:54Z nsx-exporter: NSX 2129105 - [nsx@6876 comp="nsx-esx" subcomp="agg-service" tid="2129548" level="ERROR" errorCode="MPA12003"] [EsxHostNodeStatusVertical][SetInterfaceStatistics] Unable to set stats for intf: vusb0

Note: The preceding log excerpts are only examples. Date, time, and environmental variables may vary depending on your environment

Environment

VMware NSX-T Data Center

Cause

This issue occurs due to a software defect in VMware NSX-T Data Center.

Resolution

This issue is resolved in VMware NSX 3.1.0, available at Broadcom downloads.

If you are having difficulty finding and downloading software, please review the Download Broadcom products and software KB.