ch26

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Chapter 26

VLANsandVPNs

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Figure 26-1

A switch connecting three segments

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Figure 26-2 A switch using VLAN software

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Figure 26-3

Two switches in a backbone using VLAN

software

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Figure 26-4Private network

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Figure 26-5

Hybrid network

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Figure 26-6Virtual private networks

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Figure 26-7

VPN techniques

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Figure 26-8

Authentication

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Figure 26-9Encryption

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Figure 26-10

Tunneling

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Figure 26-11

Addressing in VPN