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This plugin allows you to see reports based off the data in your Netflow flows.


Fully customizable reports



Before you start, with this version of Flowview, you have to ensure that you are at MariaDB 10.0.12+. Cacti has been shown to support MariaDB upto 14.x. MySQL 5.6+ is required, and it has been reported that Cacti work with MySQL 8.x, but this MySQL release was a major paradigm shift for Oracle. So, if you go there, be prepared for some extra love/hate in your relashionship, but many of the changes are very welcome.

Then, Install flowview just like any other plugin, just copy it into the plugin directory, and Use Console -> Plugin Mangement to Install and Enable.

This version of the flowview plugin no longer requires flowtools or OpenFlashCharts. In fact the entire import and reporting process is handled through php and uses JavaScript based charting already available in Cacti.

After installing, you should set your partitioning and retention settings from Console > Configuration > Settings > Misc. There is a flowview section there that you can customize.

Next you have to setup your Cacti server as a FlowView sink from your various sources. Then, from FlowView -> Listeners, you must add the various listeners for all your flow-capture sources. It's critical that you specify the correct port, and if there is to be any filtering, having a value other than 0 for the allowed devices.

You must then setup the init.d or systemd service to receive captured data and transfer into the Cacti database. Check the in the service folder to describe this process. Any time you add a new listener, you must restart this service.

Automatic Flow Version Detection:

The new Cacti based flow-capture script will auto-detect either V5, V9 or V10 flows automatically. So, can dynamically switch these streams versions without issue. However, we recommend you have one receiver per flow source, and that you feed multiple streams to the same receiver port. The flow-capture script also detects IPv4 and IPv6 addresses automatically.

Automatic Domain Resolution:

The flow-capture script will receive the flow data, and attempt to resolve the domain names of the flows. In the case that an IP Address does not properly resolve to a domain, Cacti automatically queries IANA to find the owner and assigned as 'assumed' domain for those flows. If your Cacti server can not reach IANA, then those IP's will simply not be resolved.

Upgrading from Prior Versions

Since the current release does not leverage flow-capture, you will need to migrate your existing flow data into the Cacti database. Before you perform this migration, ensure that your Cacti system, has enough space to handle all the flow data. You should check the size of your existing flows, and then verify that you have enough space to handle the data inside of a MySQL database.

Once you have done this, simply run the 'import_flows.php' script and all your legacy flow data will be imported. Remember, it's important that you define your partitioning scheme ahead of time, especially if you have large quantities of flow data streaming into the Cacti server.

Possible Bugs?

If you figure out this problem, goto GitHub and create a pulls request or open an issue.

Future Changes

Got any ideas or complaints, please see the Cacti forums or GitHub for a resolution.