Netflow network traffic management

1. Configure netflow on the device.

① netflow v5

Global configuration:

Ip flow-export source Vlan200

Ip flow-export version 5

Ip flow-export destination 10.16.6.166 9996

Interface configuration:

Interface GigabitEthernet0/1

Ip flow ingress

Ip flow egress

② netflow v9

Global configuration record section:

Flow record NetFlow

Match ipv4 source address

Match ipv4 destination address

Match ipv4 protocol

Match transport source-port

Match transport destination-port

Collect interface input

Collect interface output

Collect counter packets

Collect counter bytes

Global configuration exporter section:

Flow exporter NetFlow

Destination 10.16.6.166

Source GigabitEthernet0/1

Transport udp 9996

Global configuration monitor section:

Flow monitor NetFlow

Exporter NetFlow

Record NetFlow

Interface configuration:

Interface GigabitEthernet0/1

Ip flow monitor NetFlow input

Ip flow monitor NetFlow output

2. Log in to the netflow management platform and generally choose solarwinds or ManageEngine. After the landing equipment adds the corresponding equipment to the management platform, the traffic analysis can be carried out. At the same time, traffic monitoring alarms can also be set.