layer2-attacks

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101zh / Layer2AttacksLab

A lab in which the execution and prevention of layer 2 attacks are detailed.

networking arp-spoof-attack arp-spoofing layer2 dhcp-starvation-attack arp-spoof computer-networking-lab layer-2 dhcp-starvation networking-labs mac-flooding layer2-attacks networking-lab layer-2-attack layer-2-attacks

Updated Feb 15, 2026

Compcode1 / ioc15-vlan-hopping

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This case study examines VLAN hopping—a network segmentation bypass technique where an attacker crafts specially tagged Ethernet frames to escape their assigned VLAN and access restricted segments. The attack exploits trust assumptions in Layer 2 switch configurations, especially mismanaged trunk ports and native VLAN behaviors.

vlan-hopping layer2-attacks network-segmentation-bypass switch-misconfiguation host-to-network-triage