Connection Modes
The Cisco hardware clients, including the 3002, support two connection modes to an Easy VPN Server: client mode and network extension mode. Both of these modes were discussed in Chapter 3, “IPsec.” The following sections will discuss the two modes and how to enable them.
Client Mode
The top part of Figure 3-3 from Chapter 3 shows an example of client mode. As a quick review, in client mode, the Easy VPN Server assigns the remote access hardware client a single, internal IP address. For devices behind the hardware client to access the corporate site across the tunnel, the hardware client performs PAT on the inside packets to the internal IP address assigned to it by the Server. From the corporate office’s perspective, it looks ...
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