The IEEE’s 802.1Q standard was developed to address the problem of how to break large networks into smaller parts so broadcast and multicast traffic wouldn’t grab more bandwidth than necessary. The ...

Abstract: With the development of Ethernet in the MAN(Metro Access Network).There is a big limit to isolate and identify the user with 802.1Q VLAN.Because of the VLAN tag which is defined in IEEE ...

Abstract: Ethernet has been used for connecting hosts in PC clusters, besides its use in local area networks. Although a layer-2 Ethernet topology is limited to a tree structure because of the need to ...

Here is a Proof-of-Concept (PoC) in Python using Scapy to simulate a VLAN Hopping Double Tagging attack. This script creates and sends an Ethernet packet with double 802.1Q tagging, where the first ...

In a "dumb-AP" setup using a vlan-filtering enabled bridge which includes ethernet ports and wireless phy-aps, a wireless client connecting to a phy-ap that is bridged to a tagged VLAN will send a tag ...