Documentation forNetFlow Traffic Analyzer
Analyzing network traffic and bandwidth is a key capability of SolarWinds Observability Self-Hosted (formerly Hybrid Cloud Observability) and is available in the Advanced edition. NetFlow Traffic Analyzer (NTA) is also available in a standalone module.

Cisco 6509 native IOS global configuration

!
mls ip multicast flow-stat-timer 9
mls aging long 64
mls aging normal 32
mls flow ip interface-full
mls nde sender version 5
!
ip flow ingress layer2-switched vlan xxxx (separate each VLAN with a comma)
ip flow-export source (port/interface with the IP address that is being monitored in Orion)
ip flow-export version 5
ip flow-export destination IP_Address (Orion NPM server)  2055
!

CEF must be enabled on some devices in order for NTA to work properly.

Layer 3 interfaces

ip route-cache flow

VLANs

ip flow ingress