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Network address translation

iecu
iecu asked
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Last Modified: 2010-03-18
Hi,

What is the advantage/disadvantage of applying NAT at internet?

Thanks!
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Luc FrankenEMEA Server Engineer
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Commented:
This looks very much like a homework question to me..

LucF
Professional Troublemaker^h^h^h^h^hshooter
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I'll agree on the games and cost issue, but I've set up dozens of these and have thus far never had a problem with VPN/NAT compatibility.  Granted, I use a Cisco PIX firewall for my VPN and NAT device, so maybe Cisco just has it figured out, but so far...with my PIX's, I've never had an issue.

Commented:
Well it depends on the ios and the version of secure client. I have banged my head agains the wall enough times to know this. Used to be I would have to setup a real NAT (Not the pat everyone is calling NAT these days) to get multiple clients behind the pix to be able to connect via vpn. Thus using routable ip addresses. I know win2k3 vpn has NAT traversal and that there is downloadable upgrade to win2k and winxp for this, so it is not as big a problem as it used to be. However if you are using a win2k server as your vpn endpoint then you will have a problem
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