VPN IPSec Pass Through
This Motorola Netopia® service supports your independent VPN client software in a transparent manner. Motorola Netopia® has implemented an Application Layer Gateway (ALG) to support multiple PCs running IP Security protocols.
This feature has three elements:
1.On power up or reset, the address mapping function (NAT) of the Gateway’s WAN con- figuration is turned on by default.
2.When you use your
3.The encrypted IPSec tunnel is established “through” the Gateway.
A typical VPN IPSec Tunnel pass through is diagrammed below:
Motorola Netopia®
Gateway
☛NOTE:
Typically, no special configuration is necessary to use the IPSec pass through feature.
In the diagram, VPN PC clients are shown behind the Motorola Netopia® Gateway and the secure server is at Corporate Headquarters across the WAN. You cannot have your secure server behind the Motorola Netopia® Gateway.
When multiple PCs are starting IPSec sessions, they must be started one at a time to allow the associations to be created and mapped.
VPN IPSec Tunnel Termination
This Motorola Netopia® service supports termination of VPN IPsec tunnels at the Gateway. This permits tunnelling from the Gateway without the use of