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Layer 2 Tunneling Protocol Pdf Download

Computer PDF is also courses for training in topologies, basic notion of a computer network, the 7 layers, protocols, and various aspects of computer networks, media transmissions without wifi son, routing, addressing, CISCO CCNA and many others IT. You should come see our Network documents. You will find your happiness without trouble ! The latest newsand especially the best tutorials on your favorite topics, that is why Computer PDF is number 1 for courses and tutorials for download in pdf files - Comparison of VPN Protocols IPSec PPTP and L2TP. and Network! Download other tutorials for adviceon Comparison of VPN Protocols IPSec PPTP and L2TP. you will see! We will do everything to help you!

Layer 2 Tunneling Protocol Pdf Download

If you use Aggregation Services Routers (ASRs), the easy way to do this is to use Ethernet over soft GRE. However, for Integrated Service Routers (ISRs) and all other CPE devices, this is not an option. In older Cisco IOS versions, it was possible to tunnel L2 over GRE by bridging the physical interface with a GRE tunnel interface. Although regular bridging strips the VLAN header from incoming packets, the use of Integrated Routing and Bridging (IRB) on the router can route and bridge the same network layer protocol on the same interface and still allow the router to maintain the VLAN header from one interface to another.

Layer 2 tunneling protocols, such as L2TP, do not provide encryption mechanisms for the traffic it tunnels. Instead, they rely on other security protocols, such as IPSec, to encrypt their data. Use this sample configuration to encrypt L2TP traffic...

This chapter will discuss some of the major tunneling protocols usedby VPN vendors. These protocols are the Point-to-Point TunnelingProtocol (PPTP), Layer 2 Forwarding (L2F), and the Layer 2 TunnelingProtocol (L2TP).

All of these tunneling protocols operate by tunneling Layer 2 of theOSI Reference Model for communications protocols, also known as theData Link Layer, over IP. It is at this layer that protocols such asPPP operate. As you may know, PPP is commonly used to transport IPand other protocols over serial and digital connections. TypicallyPPP connections are made between a client and a remote host, such asa remote access server. Likewise, PPTP, L2F, and L2TP are all used totunnel PPP connections over the Internet so that they may beterminated on a remote host. In this case, the tunnel essentiallyacts in place of the line. Because they use existing PPPinfrastructure, these protocols gain the advantages of the PPPprotocol, including dynamic address assignment from a pool or fromDHCP, user-based authentication, and compression.

With Kerio Control VPNVirtual private network - A network that enables users connect securely to a private network over the Internet. or industry-standard IPsecInternet Protocol security - A network protocol used to encrypt and secure data sent over a network./L2TPLayer 2 Tunneling Protocol - A tunneling protocol used with IPsec., you can link headquarters to remote users and branch offices. 350c69d7ab

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