VNA Cisco ACI: api/class/actrlRule.json performance poll failing with HTTP Response Status Code: 400.

Products

• Network Observability
• Virtual Network Assurance

Issue/Introduction

Minor Alarms in Spectrum - Performance Poll Failed

https://<IPADDRESS>/api/class/actrlRule.json is failing and returning an HTTP Response Status Code: 400.

Environment

VNA 24.3.x, 25.4.x

Cause

• The VNA ACI Plugin does not currently implement pagination for performance polling of the actrlRule class.
• When the dataset returned by the APIC exceeds the processing limit, the API call fails returning Error 400.

Resolution

This issue is a known limitation and is being addressed via defect DE208887.

Pagination support for performance polls is targeted to be fixed in release Virtual Network Assurance 25.4.12.