Hello all!
Thank you for sharing you knowledge with those of us still new to these
concepts.
I need to set up secure remote communications between my outside sites and
the NT 4.0 (sorry all of you who don't consider this a "real" os) LAN. I am
using a Sonic Pro w/DMZ for as my border firewall. The box is ok for
protection but not for VPN. They do not pass GRE protocol 47 so M$ PPTP is
not workable, and their ipSec implementation is buggy at best. I am
considering replacing this box with a Cisco PIX 515. My concerns revolve
around throughput. The Cisco network engineer that I am talking to is
telling me that I will probably need a full T1 at both ends to see VPN
throughput between 128 and 256 kbps. This seems to negate any cost advantage
that a VPN can offer over a dedicated connection while bringing lots of
reliability issues to the surface at the same time! This doesn't even take
into account remote notebook users who are dialing in to a RAS server now.
Under the throughput estimates given above, I may as well not even consider
a VPN option for these users.
I would be interested in any information regarding both ipSec and PPTP VPNs
in "real-world" settings. Are they working for you and if so, do you find
that they provide a cost-effective alternative to dial-up RAS for mobile
users and/or dedicated circuits for remote offices?
Thanks in advance for your help and insights!
> Dean A. Luethje, SysAdmin
> Bell Paper Box, Inc.
>
> "The opinions expressed are mine alone and do not constitute
> company policy
> or opinion."
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