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
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Updated
May 19, 2025 - Jupyter Notebook