Case Study and Sample
Configuration
The DUKEM consulting firm is a medium-size company with 700 employees. It has three
offices across the continental United States. Twenty percent of DUKEM’s employees are
mobile or telecommute. Figure 20-1 shows the current DUKEM network infrastructure.
Figure 20-1 DUKEM Network Infrastructure
Remote
Users
User
User
User
User User User
User
10.40.10.2
10.20.10.1
10.50.100.1
Inside
Router
Perimeter
Router
Firewall
10.40.10.1
10.45.10.2
10.30.10.1
Houston
Office
T1 Lines to HQ
Minneapolis
Office
10.45.10.1
10.50.100.2 10.60.10.1
10.10.10.1
192.168.100.2
192.168.100.1
Web HQ Reston
Server
Mail
Server
Dial-in
Server
172.16.30.1
10.10.10.2