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

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

Language: English Released: 2005. A Layer 3 VPN can use tunneling, encryption, or both. Publisher: Addison-Wesley Professional. VPNs Illustrated: Tunnels, VPNs, and IPsec Virtual personal networks (VPNs) based mostly on the Internet as an alternative of the classic leased lines offer. ISBN: 032124544X, 9780321245441. This paper examines the use of CLI debug and show commands and explores the three primary VPN implementation areas: Site-to-Site with IPSec; Remote Access with IPSec; and Remote Access with SSL. VPNs Illustrated: Tunnels, VPNs, and IPsec. The following few steps can easily illustrate the principles of a VPN client-server interaction. GO VPNs Illustrated: Tunnels, VPNs, and IPsec. Traditional ATM and Frame Relay circuits are referred to as Layer 2 VPNs, whereas IPsec tunnels over the Internet are called Layer 3 VPNs. Before we illustrate the effective use of IPSec debugging tools, we need to discuss some basic principles of operation. Snader Language: English Page: 480. VPNs Illustrated: Tunnels, VPNs, and IPsec Jon C. Publisher: Addison-Wesley Professional Page Count: 480. Tunnel mode is often used to provide connectivity between networks that use private addressing; the outer IP packet's address is routable and allows delivery of the inner IP packet from one private site to another.