Post upgrade, incorrect service IP realization happened leading to the removal of some service IPs from the loopback port

Products

• VMware NSX

Issue/Introduction

Incorrect service IP realization happened leading to the removal of some service IPs from the loopback port, we observed VPN session down, traffic loss.

Environment

VMware NSX

Cause

After the upgrade, service IPs were incorrectly realized, causing some service IPs to be removed from the loopback port

Resolution

Fixed upgrade tasks for 3.2.2 & 4.0.1

Workaround: users can preemptively run reprocess API post upgrade on the LRs, so that the service IPs are recalculated- https://{{managerIP}}/api/v1/logical-routers/{{lr-id}}?action=reprocess

Eg.- https://{{managerIP}}/api/v1/logical-routers/f72###30-83e7-####-a91e-b4e####6e87a?action=reprocess

Additional Information

Affected Versions :- 3.2.1, 4.0, 4.0.0.1