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The Cisco VPN Client connects a remote user to a corporate network.
The user connects to a local Internet service provider (ISP), then to the VPN device Internet IP address. The VPN client encrypts the data and encapsulates it into a routable IPSec packet, creating a secure tunnel between the remote user and the corporate network.
The corporate server authenticates the user, decrypts and authenticates the IPSec packet, and translates the source address in the packets to an address recognized on the corporate network. This address is used for all traffic sent from the corporate network to the remote user for the duration of the connection.
The VPN client distinguishes between tunneled and nontunneled traffic and, depending on your server configuration, allows simultaneous access to the corporate network and to Internet resources.
The VPN client communicates over async seriel PPP links and Internet-attached Ethernet connections.
Table 1-1 lists VPN client features.
| Feature | Description |
|---|---|
Operating systems |
Note The VPN client for Linux does not support kernel Version 2.5.
|
IPSec | |
User authentication |
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Posted: Thu Oct 24 11:26:23 PDT 2002
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