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Cisco VPN Client v. 4.0.5.d for VPN to D-Link DFL-200 possible?

I'm an IT consultant. Several customers use Cisco PIX501 and 506 firewalls, and I use the Cisco VPN Client ver. 4.0.5 (D) to establish VPN connections to them with no problems. I leave the sticky details of configuring the PIXes to an associate. My question is, can I also use this same client to establish a VPN connection to my D-Link DFL-200 firewall? I did a quick try and didn't get anywhere, and this question is to make sure I'm not wasting my time. I would be willing to have both the Cisco and D-Link VPN clients on my system, but they don't seem to want to coexist. General comments on the pros and cons of til PIX 501 vs. DFL-200 would also be welcome.
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LuftHansi-DK
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LuftHansi-DK
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stressedout2004Commented:
Nope, you can't use Cisco VPN client with third party vendors. It has been a challenge making two different clients coexist on the same machine, some will tell you outright that it is not supported but there are some instances that they work depending on which client was installed first. Have you tried installing D-Link VPN Clients first then the Cisco VPN Client?
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LuftHansi-DKAuthor Commented:
I can install the Cisco after the D-Link. It looks like the D-Link can establish VPN connections fine, but the Cisco client will not - it gives the following error: "Secure VPN connection terminated locally by the client. Reason 403: Unable to contact the security gateway. I've noticed that the "virtual network card" that Cisco installs usually is deactivated until it establishes a connection. The D-Link virtual card, on the other hand, is enabled at all times and actually shows connected. I am not able to manually deactivate the card (by right-clicking and choosing "Deactivate"), but perhaps if I could somehow stop this card, the Cisco would work. I've tried using the PC Magazine "Startup Cop Pro" utility to stop the two startup items I can see have something to do with the D-Link software, but this had no effect on the virtual card, nor that it is active. Any ideas or alternate paths to give a shot?
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calvinetterCommented:
 Agree w/ stressedout2004 on overall coexistence of clients - some clients can be installed on the same system as the Cisco client, but you usually have to stop services &/or disable interfaces & do a backflip to get one or the other to work.
  Personally I wouldn't spend a lot of time on this, as virtually all vendor's VPN clients just won't coexist properly on a system, & you run the risk of causing OS problems.  If you absolutely want to keep your D-Link - do you have the option of using PPTP to it?  If so, you could still VPN to this from a Windows box, & that way you won't have the D-Link client to wreak havoc with the Cisco client; though  I much prefer IPSec over PPTP, since it's more secure, is often faster, etc.

>General comments on the pros and cons of til PIX 501 vs. DFL-200 would also be welcome.
  Why not get a PIX 501 to replace your D-Link? It's more secure, far more stable/reliable & flexible, the VPN is rock solid (& you've already got the client!), & has many more capabilities than any SOHO-class device.  
  You can have your associate set it up for you, & if later you decide you want to learn the PIX (a good idea, in case your associate isn't available), you can do so at your leisure - & you can always post questions here on EE.  A used PIX can be easily found in various places (eBay, www.horizondatacom.com, etc), or for not much more you can get a new one.

Just my $0.02.

cheers
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LuftHansi-DKAuthor Commented:
I guess I'll abandon co-existence plans. Thanks to both of your for your insights - this has saved me a bunch of time.
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