Re: layer 2 testing lab

[Robin Wood <robin () digininja org>]

On 11 September 2013 12:47, Robin Wood <robin () digininja org> wrote:
> On 9 September 2013 16:38, Robin Wood <robin () digininja org> wrote:
> > I've just released part 1 of a series I'm developing on layer 2 attacks:
> >
> > http://www.digininja.org/blog/gns_vbox_basic_lab.php
> >
> > The lab is built using GNS3 and VirtualBox and starts with VLANs but I've
> > got plans to move on to routing protocols and other things later.
> >
> > Layer 2 is not my thing so if any experts out there want to point out any
> > mistakes or ways to improve things please do, I'm all ears.
>
> And here is part 2, this time adding VLANs to the lab and showing how to
> move between them. Also an intro to trunk ports vs access ports.
>
> http://www.digininja.org/blog/gns_vbox_vlan_lab.php


And the final part on VLANs, abusing Cisco Dynamic Trunking Protocol, DTP:

http://www.digininja.org/blog/abusing_dtp.php

This shows how to spot DTP and then how to use it to turn your access
mode port into a trunk.

Robin
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