About This Installation Guide

Before installing VENs on the hosts in your environment, ensure that you meet the necessary technical background.

This guide explains how deploy the Virtual Enforcement Node (VEN) on your distributed, on-premises systems.

The guide provides the details to complete the following tasks:

An explanation of the VEN installation methods: using the VEN Library in the PCE and using the VEN Control Interface (CTL)
How to install VENs using the VEN Library
How to install VENs using packaging technology and the workload operating systems' native command line interface
How to uninstall, upgrade, activate, and deactivate VENs by using the VEN CTL
How to set up the PCE to install VENs by using the PCE web console and the VEN Library

Newly introduced terminology is italicized. Example: activation code (also known as pairing key)
Command-line examples are monospace. Example: illumio-ven-ctl --activate
Arguments on command lines are monospace italics. Example: illumio-ven-ctl --activate activation_code
In some examples, the output might be shown across several lines but is actually on one single line.
Command input or output lines not essential to an example are sometimes omitted, as indicated by three periods in a row. Example:
```
...
some command or command output
...
```

Illumio Core 25.1 Install, Configure, Upgrade