RE: 2 different VPNs on different PCs going thru same router allowed? (was RE: DSL reliability)

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I use a Belkin combo wireless adapter (F5D6230-3) attached to my cable modem
at home.  It's a router and firewall, with up to N wireless sessions and 3
cat5e connections at a time.  It does the DHCP, NAT, IPSec pass through for
VPN, 128bit encryption, etc stuff.  We use a Cisco VPN box on our net and a
Cisco software client on each pc on my net.  I checked with our net folks
and we limit each user to 3 VPN connections at a time, but I cannot get
simultaneous VPN sessions on my Thinkpad and desktop at home.

In checking Belkin's FAQ I find:
---
Q: Can I VPN (virtual private networking) to another network with a computer
that is on the router?
A: Yes, the Router will allow one computer at a time to VPN into another
network. This is called IP Sec Pass-through and the Router has the ability
to do one session at a time. All computers are able to do it but only one at
a time.
----
Other routers may have different capabilities, so it appears you'll have to
research each individual spec to try and find one that fills your needs.

Tom Westdorp
Station Casinos

-----Original Message-----
From: James Rich [mailto:james@eaerich.com]
Sent: Wednesday, May 08, 2002 1:55 PM
To: midrange-l@midrange.com
Subject: Re: 2 different VPNs on different PCs going thru same router
allowed? (was RE: DSL reliability)


On Wed, 8 May 2002, Dan Bale wrote:

> This thread got me thinking.  I'm close to putting a broadband router on
the
> "front" of my cable connection and hooking up two (or more) PCs to it so
my
> kids and I can surf at the same time.  I use a VPN connection to connect
to
> our AS/400 (actually network) at work.  Sometimes I'd like to VPN to one
of
> our clients at the same time, but I'm not able to get two VPN sessions
> running concurrently.  If everything goes through the router to get to the
> internet, can I use the other PC to VPN to the client while my PC VPN's to
> my company's network?

It sounds like your PC is responsible for you VPN connection and not some
hardware (like you cable connection?).  If so then a router doesn't care
that the stuff it is routing happens to be a VPN connection.  Put all the
computers behind it you can stand.

Now if some hardware device does the VPN then consult that.  But even then
you could set things up so that your hardware device does its VPN for
computer and the others don't (but still access the internet).

Finally, you could do what we've done and put a linux box in front of
everything that will do all the routing and VPN stuff you can dream of.
It can selectively put traffic on the VPN or not depending on the route,
so your 5250 session is encrypted but your google search isn't.  Plus you
wouldn't need to buy a router.  Plus you get all the other Good Stuff(tm).

James Rich
james@eaerich.com

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