Network Design Proposal Part 1 You have been hired as part of the networking tea

Question

Network Design Proposal Part 1

You have been hired as part of the networking team at UMUC. After completing orientation and training, your manager calls you into a meeting to discuss your first project.

The university has recently leased a building in Adelphi, Maryland. The building will house offices, classrooms, a library, and computer labs. Security is important for UMUC, as the university must protect students’ and employees’ data, as well as any intellectual property that UMUC has on its servers and computers. As a result, IT management would like to take the time to review proposals on how best to move forward on security issues. As a network engineer, you have been asked to prepare a network proposal on how to set up a secure network infrastructure in this building to support university operations.

Explanation / Answer

Hi

Consider the following steps for building network infrastructure

1) Campus details

35 buildings on campus
   15 research
   10 residences
   10 Administration/support
Total population
   10000 full time
   2000 part time
   total 12000
   700 Academic staff
   500 sessional lecturers
   800 support staff
2000 Total staff
Approximately 14000

2)Network Sizing
Wired network
   offices - 1000
   residences- 5000
   Datacentres - 2000
   Total - 5600 fixed ports
Wireless
   assume 5 per building
   Total - 170

3) MAin considerations
   which buildings require high availability
   where are central servers located ?
   where are connection point located ?
   All factors considered
   HA sides need to be on the backbone
   network staff training / capabilities
4) user community - students and staff
   Varied computer security background
   supply and maintain their own computers
   may not be running anti virus or fire wall software
   Like sources of worms , Viruses
   staff require update access to servers
5) WAN Backbone
   two high capacity wire speed layer 2/3 devices from core
   HA sites connect to both switches
   must have numerous optical interfaces
   catalyst 6500,passport 8600
6) Campus security
   internet
   student count          
   remote access users
   staff  
   operators
   servers
7)system security
   Separate firewalls
   worms and viruses
   aecurity /packet filtering
   Intrusion detection / prevention
   outsourced security monitring

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