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VPNs Illustrated: Tunnels, VPNs, and IPsec Jon C. Snader
Publisher: Addison-Wesley Professional

Cisco asa ipsec site to site vpn. The remote access VPN is supported by L2F, PPTP, L2TP and IPsec tunneling protocols. This sample configuration is also useful to illustrate the overall structure of a FLEX VPN policy. When the VPN connection is established between 2 parties (between a VPN client and VPN gateway or between 2 VPN gateways), a secured virtual tunnel will be created with capability to encrypt the data (so no hacker can see the data content ), preserve data integrity (no data change during transmission) and ensure the communication only happen between that 2 authenticated parties. Having discussed the motivations behind FLEX VPN (http://wp.me/p1loe7-fJ) and presented information about positioning of Cisco IOS VPN solutions (http://wp.me/p1loe7-gy), it's now time to jump to some practical scenarios. This type of profile is tied to the interface (similar to what we did for a crypto-map) by means of the tunnel protection ipsec profile command. Vijay Bollapragada , CCIE® No. To illustrate the reason why this VPN type is called Policy-Based VPN, we will see a sample configuration code on a Cisco ASA firewall based on the diagram below. Full step-by-step configuration instructions for Policy-Based VPN on IOS Routers can be found at our Configuring Site to Site IPSec VPN Tunnel Between Cisco Routers article. By Jon C Snader Type: English : Book Publisher: Harlow : Addison-Wesley, ©2006. VPNs illustrated : tunnels, VPNs, and IPsec. ISBN: 032124544X OCLC: 63390377. In order to set up IPsec, it is necessary that you are familiar with the concepts of building a.