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6
C H A P T E R
Configuring a VPN Using Easy VPN and an IPSec
Tunnel
The Cisco 870 series routers support the creation of Virtual Private Networks (VPNs).
Cisco routers and other broadband devices provide high-performance connections to the Internet, but
many applications also require the security of VPN connections which perform a high level of
authentication and which encrypt the data between two particular endpoints.
Two types of VPNs are supported—site-to-site and remote access. Site-to-site VPNs are used to connect
branch offices to corporate offices, for example. Remote access VPNs are used by remote clients to log
in to a corporate network.
The example in this chapter illustrates the configuration of a remote access VPN that uses the Cisco Easy
VPN and an IPSec tunnel to configure and secure the connection between the remote client and the
corporate network.
Figure 6-1
shows a typical deployment scenario.
The material in this chapter does not apply to Cisco 850 series routers. Cisco 850 series routers do not
Note
support Cisco Easy VPN.
Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide
6-1
OL-5332-01
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