Netifrc

netifrc is a collection of modules created to configure and manage network interfaces via individual, per-interface scripts located in the directory. In Gentoo Linux netifrc comes installed as part of the system profile. They can be uninstalled or simply not used in favorite of using another network manager.

USE flags
Since netifrc are simply a few scripts that integrate into OpenRC no USE flags exist for them.

Emerge
The netifrc modules come in standard stage3 tarballs so they should be already installed on the system. In the case they have been removed, they can be re-installed via:

Configuration
Provided in the package is a parent script called  which is installed to. This parent script should be symlinked to create additional scripts for each network interface to be configured. For example, to create a script for a network interface called, run the following command:

Configuration of the interfaces is handled in the file. A default (empty or missing) will automatically use DHCP to configure any network interfaces started by  scripts.