Spectrosever crashes when receiving a SNMPv3 trap in Spectrum 25.4.x

Products

• Network Observability
• Spectrum

Issue/Introduction

After upgrading to Spectrum 25.4.x, we have noticed many SpectroSERVER crashes related to an authentication problem with a SNMPv3 trap.

Environment

Dx NetOps Spectrum 25.4.x 

Cause

When we look at the GDB trace, we can see that this is coming from an authentication problem with a SNMPv3 trap.

The following knowledge article details how to collect a gdb stack:

GDB stack

Resolution

Please add the following to the .vnmrc file

 

delete_invalid_empty_profiles=falsedelete_unknown_report_type_profiles=falsedelete_invalid_profiles=false

 

Then save and stop and restart the SpectroSERVER

Additional Information

This will be fixed out of the box in Spectrum 25.4.8 and higher.