Configuring Cisco Nexus 5k Series Devices

This document outlines the steps to configure Netflow on Cisco Nexus 5k Series devices.

Enter configuration mode:

configure terminal

Enable the netflow feature:

feature netflow

Set flow timeouts:

flow timeout 60

Configure the flow exporter:

flow exporter MFEexporter
destination {MOTADATA_SERVER_IP}
transport udp 2055
source {Source interface}
version 9
template data timeout 60
option exporter-stats timeout 60
option sampler-table timeout 60
option interface-table timeout 60

Define the flow record:

flow record MFErecord
match ipv4 source address
match ipv4 destination address
match ip protocol
match transport source-port
match transport destination-port
collect counter bytes
collect counter packets long
collect timestamp sys-uptime first
collect timestamp sys-uptime last

Create the flow monitor:

flow monitor MFEmonitor
record MFErecord
exporter MFEexporter

Configure the sampler:

sampler MFEsampler
mode 1 out-of 100

Apply the flow monitor and sampler to all interfaces:

ip flow monitor MFEmonitor input sampler MFEsampler

note

Ensure that the netflow license is enabled on the device.

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