Adding a Netflow Listener to Cacti

This article explains how to add new Netflow listeners to Cacti. By default, Cacti is not able to show Netflow reports. So, to follow the steps in this article, the Flowview plugin have to be installed on Cacti.

1. Configure Cacti server to receive and store the netflow files adding the lines shown below, one line for each router:

vi /etc/flow-tools/flow-capture.conf

-V 5 -w /var/flow/ABC-Router -n 275 -N 3 -E500M 0/0/3001
-V 5 -w /var/flow/DEF-Router -n 275 -N 3 -E500M 0/0/3002
-V 5 -w /var/flow/GHI-Router -n 275 -N 3 -E500M 0/0/3003
-V 5 -w /var/flow/JKL-Router -n 275 -N 3 -E500M 0/0/3004
-V 5 -w /var/flow/MNO-Router -n 275 -N 3 -E500M 0/0/3005
-V 5 -w /var/flow/PQR-Router -n 275 -N 3 -E500M 0/0/3006
-V 5 -w /var/flow/STU-Router -n 275 -N 3 -E500M 0/0/3007
-V 5 -w /var/flow/VWX-Router -n 275 -N 3 -E500M 0/0/3008
-V 5 -w /var/flow/XYZ-Router -n 275 -N 3 -E500M 0/0/3009

Continue reading “Adding a Netflow Listener to Cacti”