During a Tomcat restart on a DX NetOps Virtual Network Assurance (VNA)-integrated OneClick or a User Domain full synchronization, historical alarms/events are retrieved from VNA, leading to the creation of duplicate alarms in Spectrum

Products

• Network Observability

Issue/Introduction

When restarting VNA, Spectrum is flooded with old events/alarms

Environment

Spectrum 24.3.7 and earlier
Virtual Network Assurance all supported versions.

Cause

DE166356

Resolution

This issue is resolved in DX NetOps 24.3.8 and later:

Symptom:
 During a Tomcat restart on a DX NetOps Virtual Network Assurance
 (VNA)-integrated OneClick or a User Domain full synchronization, historical alarms/events are retrieved from VNA, leading to the creation of duplicate alarms in Spectrum. 

Resolution:
 With this fix, Spectrum implements the code changes to manage the Tomcat restart and VNA User Domain full synchronization functionality so that no duplicate alarms are generated. 
(DE166356, 36105594, 24.3.8)