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VPN 3002 Hardware Client Getting Started
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Chapter 3 Using the VPN 3002 Hardware Client Manager for Quick Configuration
Configuring PAT or Network Extension Mode
Configuring PAT or Network Extension Mode
The Manager displays the Configuration | Quick | PAT screen.
Figure 3-12 Configuration | Quick | PAT Screen
You use this screen to configure this VPN 3002 to use either PAT or Network Extension mode.
Step 1
Accept the default, Yes, if you want to use PAT. Otherwise, check No, use Network Extension mode.
Note that you cannot disable PAT if you have not changed the IP address for the private interface.
Step 2
Click Continue to proceed with quick configuration, or click Back to return to the Configuration | Quick
| IPSec screen.
See the sections below for more information about PAT and Network Extension mode.
Online Technical Snapshot Explains PAT and Network Extension Modes
To view a brief interactive multimedia piece that explains the differences between the two modes, go to
this url:
http://www.cisco.com/mm/techsnap/VPN3002_techsnap.html
Your web browser must be equipped with a current version of the Macromedia Flash Player to view the
content. If you are unsure whether your browser has the most recent version, you may want to download
and install a free copy from:
http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash
Client Mode (PAT)
Client mode, also called Port Address Translation (PAT) mode, isolates all devices on the VPN 3002
private network from those on the corporate network. In PAT mode:
•
IPSec encapsulates all traffic going from the private network of the VPN 3002 to the network(s)
behind the Internet Key Exchange (IKE) peer, that is, the central-site VPN Concentrator.