Possible Load Balancer Connectivity Issues with Jumbo Frames and TSO in NSX 6.4.2

Products

• VMware NSX

Issue/Introduction

Symptoms:

• Load Balancer Service Monitoring Alerts 
• Load Balancer Connectivity Resets
• vRealize Automation deployments can fail when using NSX Load Balancer

Environment

VMware NSX for vSphere 6.4.x

Cause

The root cause is currently still under investigation.
Currently the problem has only been observed with the Edge vNIC MTU above 1500 and with TSO enabled on the Physical Network Adapter.

Resolution

This is a known issue affecting NSX 6.4.2.
Currently, there is no resolution.

Workaround:
To workaround this issue, change the Load Balancer vNIC to 1500 MTU.

Additional Information

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