McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Chapter 26

VLANsandVPNs

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 26-1

A switch connecting three segments

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 26-2 A switch using VLAN software

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 26-3

Two switches in a backbone using VLAN

software

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 26-4Private network

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 26-5

Hybrid network

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 26-6Virtual private networks

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 26-7

VPN techniques

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 26-8

Authentication

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 26-9Encryption

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 26-10

Tunneling

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 26-11

Addressing in VPN