Bay Networks BayRS Servisní příručka stáhnout pdf (Strana 17)

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Chapter 1

L2TP Overview

The Layer 2 Tunneling Protocol (L2TP) provides remote users, such as

telecommuters, mobile professionals, and personnel in remote branch offices,

with dial-in access to a corporate network. L2TP enables users to create a virtual

private network (VPN), which uses the existing physical infrastructure of a public

network, such as the Internet, but offers the security and exclusivity of a private

network.

This chapter contains the following information:

Topic Page

L2TP Benefits

1-2

What Is Tunneling? 1-2

Components of an L2TP Network 1-4

L2TP Packet Encapsulation 1-8

Making a Connection Across an L2TP Network 1-9

Security in an L2TP Network 1-10

Bay Networks L2TP Implementation 1-11

Where to Go Next 1-17

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