Applied Data Communications

1
Applied Data Communications

• Exercise 8.3
• By Martin OReilly

2
Scenario

• You have been hired by a small company to install
  a backbone to connect four 100base-T Ethernet
  LANs (eash using one 24 port hub) and to provide
  a connection to the Internet. Develop a simple
  backbone and determine the total cost (some costs
  are given).

3
Existing Network
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Specific Objectives

• Replace hubs with switches for efficiency and
  security purposes
• Implement a Collapsed Backbone network using CAT6
  for BN connections
• Implement a Firewall
• Implement Router with Internet Access

5
New Network Design
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Implementation Notes

• Hubs upgraded to managed switches
• Distribution Layer Switch Layer 2-4
• Firewall installed for security and DMZ
• Commercial Cable for Internet Access
• Router provided by ISP
• CAT 6 runs from LAN closets to MDF

7
Equipment List and Costs
8
Questions??