A network configuration and management subsystem for Linux that uses the /etc/net directory for storing configuration. Provides declarative interface descriptions with support for configuration profiles, interface dependencies, and a framework for QoS and firewall setup.

Supported interface types: Ethernet, WiFi, VLAN, bridge, bonding, IPv4/IPv6 tunnels, IPSec, PPP, PLIP, and others.

ALT Linux Wiki: https://www.altlinux.org/Etcnet