VLAN's

Question 1

What are VLAN’s implemented for?

Answer 1

Segmenting the network
Reducing collisions
Organizing the network
Boosting performance
Increasing security

Note: Switches provide the ability to create VLAN’s. This is useful for adding a layer of separation on the network without having to buy more switches.

Question 2

What is VLAN Hopping? What are the two methods called?

Answer 2

When an attacker breaks out of a VLAN and gains access to other parts of the network.

Switch Spoofing
Double Tagging

Question 3

Explain Switch Spoofing?

Answer 3

The attacker configures their device to pretend its a switch and uses it to negotiate a trunk link to break out of a VLAN.

Question 4

Explain Double Tagging

Answer 4

The attacker adds an additional VLAN tag to create and outer and inner tag.