VLAN hopping - demonstration

From: dubaisans dubai (dubaisans@gmail.com)
Date: Tue Oct 17 2006 - 10:35:43 EDT


How do you demonstrate VLAN hopping?. I am trying to show this to a
customer who has mutliple DMZ segments configured as Layer2 VLANs on a
Cisco 6500 switch. There is NO trunk port on this switch but DTP is
turned on on all ports.

Is it enough to cascade another L2 switch on an access port [ say VLAN
100] of the 6509, connect a desktop on this second switch and send a
packet with different VLAN ID [say VLAN 200] on the 6509.

Am I on the right track?

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