Penetration Testing mailing list archives

Re: VLAN hopping - demonstration


From: "Kurt Grutzmacher" <grutz () jingojango net>
Date: Wed, 18 Oct 2006 08:27:43 -0700

On 10/17/06, dubaisans dubai <dubaisans () gmail com> wrote:
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.

If DTP is turned on then you just need to send the right DTP packets
and turn on trunking. Check out yersinia @ http://www.yersinia.net/

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