A

Router

Switch

Server

IDS/IPS Sensor

IEEE 802.1x-Enabled Switch

IEEE 802.1x-Enabled Switch

Modem

WAN Link

PSTN Network

IDS/IPS Sensor

Data Network

PSTN Network

Dial-Up Link

Data Network

Adaptive Security Appliance (ASA)/PIX

' ยป

0

IOS Router

IPsec-Protected

with Firewall

Tunnel

Feature Set

Z/

ff

Analog

Voice

Phone

Gateway

Network Management Station (NMS)

Adaptive Security Appliance (ASA)/PIX

Headquarters

Remote Office

Network Management Station (NMS)

VPN Termination Device

Headquarters

Remote Office

IP Phone

Cisco Unified Communications Manager y

IP Phone

Cisco Unified Communications Manager

Shared Media Hub p I

Cisco NAC Appliance

Access Gateway

Access Gateway

Fibre Channel Switch

Physical SAN Island

Server Protected by Cisco Security Agent

Management Center for Cisco Security Agent with Internal or External Database

Firewall

ASA Device

Fibre Channel Switch

Physical SAN Island

Firewall

ASA Device

Generic Firewall

SSL Tunnel

VPN Concentrator

Cisco MDS 9000

Encryption Key

VPN Concentrator

Cisco MDS 9000

0 0

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