| 7.1 |  | Remote Access VPN |
| 7.1.1 |  | Introduction |

| A virtual private network (VPN) is an encrypted connection between private networks over a public network, such as the Internet . Two private networks that are not directly connected can still communicate confidentially by sending encrypted traffic over a public network.

There are two types of router-based VPN networks :

1. Remote Access VPN networks will be discussed in this module.
2. Site-to-Site VPN networks were discussed in module 6.

| Web Links Cisco http://www.cisco.com/en/US/netsol/ns110/ns170 /ns171/ns125/networking_solutions_package.html