What Layer 2 attack is mitigated by disabling Dynamic Trunking Protocol?

Last Updated: Feb 16, 2022
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What Layer 2 attack is mitigated by disabling Dynamic Trunking Protocol?

  • DHCP spoofing
  • ARP spoofing
  • VLAN hopping
  • ARP poisoning

Explanation: Mitigating a VLAN hopping attack can be done by disabling Dynamic Trunking Protocol (DTP) and by setting the native VLAN of trunk links to VLANs not in use.

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