NSX-T Edge Performance Degradation for North-South Data Traffic

Products

• VMware NSX

Issue/Introduction

Symptoms:

• User reports reduction in maximum bandwidth for North-South traffic (i.e., traffic through NSX Edge)
• Higher NetWorlds CPU utilization on the Edge host for same amount of North-South traffic

Cause

• Data packets which flow through the Edge to the uplink do not take the optimized path through the flow cache.

Resolution

  Fix is available in below NSX versions 

• 4.0.1.0
• 3.2.1.1 

Workaround:
No Workaround available

Additional Information

Impact/Risks:

• There will be a performance degradation