Your right a guest uses there own pcmcia network card and plugs the cable 
into it and they are off and running.  The only thing they say doesn't work 
is older vpn software and they say it's a security risk.  I think this has to 
do with the firewall/gateway.  The little research I did on the subject said 
that you would enable nat transparency because vpn's and nat aparently don't 
get along together.  What it it does is wrap it with another wrapper to allow 
it to pass through.  I would think that a vpn client would be a security risk 
on a network especially if you don't know what network they are connecting 
to.  I know it's a trusted network from client to server but what if the 
client user is a not such a good person then what?  From what I've seen with 
ethreal or ntop anyone on the network side of the firewall could use it.  So 
then basically anyone on the network is susceptable to the invasion of their 
privacy unless they have some form of good firewall running on their machine. 
 I'm sure someone will clarify this for me.

Tim   
  

On Wednesday 05 March 2003 11:18 am, you wrote:
> >> I hope this will clarify how it works and answer Josheph's e-mail
> >> about homepna.  It works very well.  You get dsl speeds nothing
> >> super fast.  But if there are a lot of guest on it will slow down
> >> due to the bottleneck at the dsl going out.  I got between 450-600
> >> in the  guest rooms.
> >
> > You misunderstand my concern, ... [u]nless you have ethernet to
> > homepna bridges in each room...
>
> This appears to be the case: There was a nice picture of the hardware
> tree at the bottom of the converter link previously provided by Tim.
> There is a homePNA-Ethernet converter in each room, into which both the
> phone & your laptop tap. Take a look at
>
> http://www.handlink.com.tw/eng/products/homepna/pec120/products_homepna_pec
>120.htm#
>
> Of course the converter isn't free, but you can then manage both the
> telephones and internet connections through one medium, and - at least
> on new construction - you could avoid having to wire for either or both
> Ethernet and phone: a lot of wire.
>
> -beaker
>
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