Controlling and monitoring Ethernet-based network infrastructures: practical implementations using scapy

This document explores control and monitoring mechanisms commonly employed in Ethernet-based network infrastructures, aiming to provide a comprehensive understanding of their functionality. It presents practical script examples that utilize scapy, a powerful and user-friendly Python library for sensing and manipulating network packets. The showcased scripts focus on essential functionalities such as ARP monitoring, IPv4 collision detection, and rogue DHCP server detection. By examining these examples, readers can gain a comprehensive understanding of how these mechanisms contribute to network control and maintenance. The main objective is to offer valuable insights and practical applications of these mechanisms within Ethernet-based network infrastructures.