Documentation
LiveNXConfigure sFlow on Nexus 9kDownload PDF
Configure sFlow on a Nexus 9k : Apply commands to your Nexus 9k : Configuring the sFlow Sampling Data Source
Configuring the sFlow Sampling Data Source
sflow data-source interface Ethernet1/1
vrf context management
sflow collector-ip 10.29.33.20 vrf management source 172.20.12.20
sflow agent-ip 172.19.12.71

sflow data-source interface Ethernet1/1