Re: Different terms for the same or more secure?

["Hylton Conacher(ZR1HPC)" <hylton () conacher co za>]

David Gillett wrote:
> > -----Original Message-----
> > From: Hylton Conacher(ZR1HPC) [mailto:hylton () conacher co za] 
> > Sent: Thursday, August 24, 2006 8:49 AM
> > To: Security basics
> > Subject: Re: Different terms for the same or more secure?
> >
> > OK so a physical subnetted network is 'safer'/'more secure' 
> > than a VLAN network.
> >
> > I'm still not getting the difference between a virtual and a 
> > physical LAN. Can anyone give me an example of say a company 
> > with two branches in different locations with each branch 
> > have its own sales and accounts department. I would subnet my IP such:
> > Office A 192.168.0.x
> > Office B 192.168.1.x
> > The departments of each office would have IP's from their 
> > respective subnet.
> > Sales A 192.168.0.1
> > Sales B 192.168.1.1
> > Accounts A 192.168.0.2
> > Accounts B 192.168.1.2
> >
> > Make sense?
> > tnx for the help
>
>
> Different locations?  Then you want two physical LANs, each with
> their own address block, and you might use a third (tiny) block
> to manage the WAN link between locations.
>
> Where you would use VLANs is to separate different departments
> (or organizational units or security contexts) *in the same
> physical vicinity*.  Instead of mounting two adjacent devices
> (physical), you install a single device and ("logically") partition 
> it (virtual).
so, in the example above although I might have 2 physical LANs I could 
also have 2 VLANS, one for sales and one for accounts?

Regards
Hylton


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