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Configuring Cisco Nexus 3k Series Devices

This document outlines the configuration of sFlow on Cisco Nexus 3K Series devices, including necessary commands and related show commands.

sFlow Configuration Commands​

Enter the following commands in configuration mode:

Open configuration terminal:

config t

Enable sFlow:

feature sflow

Set the maximum sampled size:

sflow max-sampled-size 256

Set the counter poll interval:

sflow counter-poll-interval poll-interval 30

Set the maximum datagram size:

sflow max-datagram-size 2000

Configure the sFlow collector IP:

sflow collector-ip {MOTADATA_NETFLOW Server IP} vrf management

Set the collector port:

sflow collector-port 2055

Set the agent IP:

sflow agent-ip {ip address of device}

Configure the data source interface:

sflow data-source interface ethernet 1/5-12

Example Configuration​

config
feature sflow
sflow max-sampled-size 256
sflow counter-poll-interval poll-interval 30
sflow max-datagram-size 2000
sflow collector-ip 2.2.2.2 vrf management
sflow collector-port 2055
sflow agent-ip 1.1.1.1
sflow data-source interface ethernet 1/5-12

sFlow Show Commands​

To display the sFlow configuration information, use the following commands:

  • To display the global configuration:
show sflow
  • To display sFlow statistics:
show sflow statistics
  • To clear the sFlow statistics:
clear sflow statistics
  • To display the current running sFlow configuration:
show running-config sflow[all]

After completing the configuration, navigate to Menu > Flow Explorer and select Explorer to view the active flow data.