VPNs Illustrated: Tunnels, VPNs, and IPsec by Jon C. Snader

VPNs Illustrated: Tunnels, VPNs, and IPsec






VPNs Illustrated: Tunnels, VPNs, and IPsec Jon C. Snader ebook
Page: 480
Format: chm
Publisher: Addison-Wesley Professional
ISBN: 032124544X, 9780321245441


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. Assuming that reader has a general understanding of what DMVPN is and a solid understanding of IPsec/CEF, we are going to describe the role and function of each component in details. VPNs Illustrated: Tunnels, VPNs, and IPsec Virtual personal networks (VPNs) based mostly on the Internet as an alternative of the classic leased lines offer. The NBMA layer maps to “physical” underlying network while mGRE VPN is the “logical” network (tunnel internal IP addressing). This sample configuration is also useful to illustrate the overall structure of a FLEX VPN policy. This involves three components: Windows Server When finished, you should have one policy that specifies MS-CHAP v2 authentication for L2TP tunnels, and one policy that specifies PEAP authentication for PPTP tunnels. If your VPN server is located on a private network (e.g. In this post we are going to illustrate two major phases of DMVPN evolution: . VPN client: In this post will be a Google Nexus One with Android 2.2.1-2.3.4 using an IPsec PSK tunnel with the l2tp secret not enabled. This process will keep happening as long as the logical tunnel is persistent between the two endpoints. My split tunneling articles illustrate servers with private addresses) then you must ensure public IPsec traffic is forwarded to the VPN server. 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. 3) Dynamic IPsec encryption 5) Cisco Express Forwarding (CEF). Tunneling is also known as the encapsulation and transmission of VPN data, or packets. Thanks again for taking the time to illustrate all this. The following few steps can easily illustrate the principles of a VPN client-server interaction. VPNs Illustrated: Tunnels, VPNs, and IPsec. 3 – Set the Tunnel Type to IPSec, name the tunnel and fill in the dynamic DNS alias and the details of the local network to be connected to the VPN (here 192.168.1.0).

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