PHASE: Virtual LANs33% COMPLETION
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MODULE 11

Routing & Switching

VLANs, trunking, and attacks like VLAN Hopping.

Virtual LANs

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Segmentation is security.VLANs separate HR from Engineering on the same physical switch.

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VLAN Hopping Attack

< p class="text-sm text-zinc-400" > Switch Spoofing: Attacker negotiates a trunk link (DTP) and gains access to all VLANs. < br > Double Tagging: Wrapping a packet in two VLAN tags to bypass the native VLAN check.