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RE: Re: Anonymous access to Voice VLAN using CDP
From: "Jacek Materna" <jmaterna () voipshield com>
Date: Tue, 25 Jul 2006 18:04:04 -0400

Hash: SHA512


It is not public, sorry. You can reference some Yersinia and related papers about manipulating VLANs.

Jacek M.

- -----Original Message-----
From: jpecou () gmail com [mailto:jpecou () gmail com] 
Sent: Monday, July 24, 2006 8:28 PM
To: pen-test () securityfocus com
Subject: Re: Re: Anonymous access to Voice VLAN using CDP

It doesnt seem feasible to have completely seperate networks in my opinion. The idea is to implement in a cost 
effective manner and with as little work as possible. I find it odd that data can be trunked through the phone from the 
pc but in turn the ideal solution is to keep them completely seperate. I guess I can understand your point but like I 
said this is not the way our VoIP solution has been implemented. My question was "does anyone know of any source code 
out there that allows you to spoof a CDP packet to allow a machine access to a voice VLAN.?"

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