In this example, a pre-shared key is entered. Click Next to
continue.
9. Add the network ranges of the remote network by clicking the Add Range button.
For example, use 10.10.20.0 as the starting address and 10.10.20.255 as the ending
address. Click Next to continue.
10. Select to create a network rule specifying a route relationship and enter a descriptive
name (the default is generally OK), as shown in Figure 10.13. Click Next to continue.
FIGURE 10.12 Creating an IPSec Tunnel Mode remote site for third-party VPN support.
294 CHAPTER 10 Extending ISA 2006 to Branch Offices with Site-to-Site VPNs
11. Select to create an allow access rule. Use the default name or enter a custom descriptive
name for the rule. Select which protocols to allow for the access rule. In this
example, we are opening the tunnel to all traffic, so we select the drop-down box
and choose All outbound traffic. Click Next to continue.
12. Click Finish, Apply, and OK to save the changes.
Configuring the Third-Party VPN Server
After ISA has been configured with the information of the remote site VPN server, that
server then needs to be configured to recognize ISA as a VPN gateway as well.
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