NTA reflects Inaccurate Utilization from Cisco ASR 9902 Routers
Customers may observe significant mismatches between SNMP interface utilization and NetFlow‑reported utilization when using Cisco ASR 9902 routers exporting NetFlow v9/IPFIX to WhatsUp Gold. The issue is commonly related to sampling, missing template fields, and exporter configuration behaviors on ASR 9000‑series devices.