Dell POWEREDGE M1000E - Manual (Page 408)

408 Monitoring Switch Traffic
sFlow Poll Configuration
Use the sFLow Poll Configuration page to configure how often a port should
collect counter samples.
To display the Sampler Configuration page, click System → sFlow →
Sampler Configuration in the navigation panel.
Figure 15-5. sFlow Poll Configuration
Click Show All to view information about the ports configured to collect
counter samples.