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Knowledge Base

In an NSX-T environment VRNI/VROPs/vCenter report Dropped Packets (79441)

Last Updated: 2/22/2024Categories: InformationalTotal Views: 14450Language:
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Symptoms

Software versions

NSX-T Data Center not configured with Service Insertion and vSphere ESXi pre 7.0 Update 1

or

NSX-T Data Center configured with Service Insertion and any vSphere ESXi version

The following Warning Events may be present on VRNI

NSX-T Logical Port Received Packets are getting dropped

Received packets are getting dropped on the NSX-T Logical Port and associated entities might get affected

NSX-T Logical Port Transmitted Packets are getting dropped.

Transmitted packets are getting dropped on the NSX-T Logical Port and associated entities might get affected

VROPs reports dropped packets for VMs including Edge VMs

vCenter advanced performance charts report Dropped packets

There is no other indication of a networking issue and no indication of application impact

Drop Counters are seen to be increasing when running the API GET api/v1/logical-ports/<portid>/statistics

On ESXi net-dvs output shows increasing values for "pktsInDropped" and "pktsOutDropped" on the associated port

Cause

VRNI queries NSX-T via API for port statistics.
NSX-T in turn gets this port statistic information from the ESXi host.
Additionally, VROPs queries vCenter for port drop information which again is reported from the ESXi hosts.
Due to a software issue on the ESXi host, the dropped counter stats are calculated incorrectly.

Resolution

This issue is resolved in VMware vSphere ESXi 7 Update 1.

Note in NSX-T environments configured with Service Insertion, false reports of packet drops will continue to be reported on all versions of ESXi. This Service Insertion specific issue is currently under investigation.

Workaround

To avoid false positives VRNI System Events can be disabled.
Please note if there is a real condition that is causing dropped packets you will not be alerted.

In VRNI go to Settings -> Events -> System Events
Disable the following Events

NSX-T Logical Port Received Packets are getting dropped.

NSX-T Logical Port Transmitted Packets are getting dropped.

Detectable by VMware SkylineTM

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Workspace ONE Content 5.0.1 for iOS リリースのお知らせ (79468)

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Workspace ONE Intelligence 2020/06/10 リリースのお知らせ (79493)

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Related Products:

VMware vSphere ESXi

Related Versions:

VMware vSphere ESXi 7.0.0

VMware vSphere ESXi 6.7

VMware vSphere ESXi 6.5

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