Here are some of the sample device commands for Cisco Nexus 9000:
- To enable the NetFlow feature
configure terminal
feature netflow
end
- To create flow record
configure terminal
flow record vrni-record
match ipv4 protocol
match ipv4 source address
match ipv4 destination address
match transport source-port
match transport destination-port
match interface input
collect transport tcp flags
collect counter bytes
collect counter packets
collect timestamp sys-uptime first
collect timestamp sys-uptime last
End
- To create flow exporter
configure terminal
flow exporter vrni-exporter
destination <PROXY_IP>
transport udp 2055
version 9
source <INTERFACE_NAME>
end
- To create the flow monitor for each interface
configure terminal
flow monitor vrni-monitor
record vrni-record
exporter vrni-exporter
end
- To configure timeouts
configure terminal
cache timeout inactive 30
cache timeout active 60
end
- To configure the flow monitor for each interface on the ingress mode and the egress mode or at least the ingress mode
configure terminal
interface <INTERFACE_NAME>
ip flow monitor vrni-monitor input
end