RE: VLANs confusing

["David Gillett" <gillettdavid () fhda edu>]

  Your questions are about VPNs, not VLANs.  BIG difference.

David Gillett
 

> -----Original Message-----
> From: listbounce () securityfocus com 
> [mailto:listbounce () securityfocus com] On Behalf Of Raj Shaz
> Sent: Saturday, November 11, 2006 11:19 PM
> To: security-basics () lists securityfocus com
> Subject: VLANs confusing
>
> Hi group
>
> Few basic stuffs bothering me, thus needed clarification.
>
> All i understand of VLANs is encryption of packets at source 
> and decryption at destination. Now If at both ends i have 
> cisco devices,which protocols/ algorithms are used by them?. 
> I have notices configuration of DAX switches on cisco network 
> the VLANS doesnot work.
> Which protocol does these machines should used then?
>
> When two cisco devices are configured for VLANs , we 
> basically make these devices to transfer key (for 
> en/decryption) ,does these keys has any relevance with other 
> VLANs?. Is there exists a possibility of key overlapping on 
> gigantic network ( akin internet ).
>
> Which layer VLANS works, layer 3 right?. Then what do u mean 
> when u say VLAN enabled layer 2 switches?
>
> Sorry, seems rudimentary stuff. But hope my brain is 
> highlighted with some wisdom.Some ref to good notes online?
>
> -Raj
>
> ___________________
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