Network Solution for Top Network Company (TNC)

This presentation proposes a network solution for Top Network Company (TNC) to increase communication efficiency between departments. It includes LAN topology, protocols, and hardware requirements.

ICT106 DATA COMMUNICATIONS
AND NETWORKS
Name of the Student
Name of the University

Introduction
■ The presentation is prepared for development of a network solution
for Top Network Company (TNC) . The network solution is designed
after a detailed analysis of the building floor plan of the organization
and users per each of departments connected in the local area
network.
■ The presentation demonstrates the network design proposed for the
organization for increasing the communication efficiency between
each of the department.

Local Area Network Design

Lan Topology
The success of the network is dependent on the following engineering principles such as:
■ Hierarchy – It is a network model that is useful for designing network framework that is
reliable for transmitting data packets from different source and destination address in
the network. The complex design problem faced for the development of the network is
broken down into smaller manageable areas.
■ Modularity – The functionality of the network can be separated and the network can be
divided into modules for reducing the complexity in the network design. The are
different service block, internet edge and data centre available that can be added in
the network device for increasing the flexibility of the network.
■ Resiliency – The network is available for the user under every condition such as normal
and high network traffic condition. In case of software failure, extreme traffic failure
and case of denial of service events the network should be available for normal usage.
■ Flexibility – The network can be modified from different portions and new services can
be added without having major upgrade on the network.

Protocols
■ Multiple VLAN are created in the layer 3 switch and it is configured with VTP
server and switchport mode trunk such that the VLAN information are
transmitted to the other switch connected in the network.
■ Layer 2 switches are used as the distribution level switches are it is configured as
VTP mode client and the interface that is connected with the layer 3 switch is
configured with switchport mode trunk.
■ The ground floor switch is given access to the admin VLAN and it gets the IP
address from the Admin subnet configured in the router.
■ The first floor switch is configured with switchport mode access and the
marketing VLAN is allowed for the switch for getting IP address from the
marketing pool.
■ The 2nd floor similarly is configured to get IP address from the Sales VLAN. The
configuration of the VLAN helps in reducing the multicast message in the network
and increases the efficiency of the network solution.

Hardware Requirement
Name of the device Features and Ports Cost
Cisco 2800 Series integrated service
router
Embedded Ga or Fa port,
AUX port and
Console Port
US$2,495.00
Cisco Catalyst WS-C2950S 24 Fa ports
Support of VLAN
US$949.99
Cisco WS-C3524-XL-EN 3500 24 Fa port
2 ga port
Support of VLAN
US$2995.0

Conclusion
■ The lan topology and the protocols used for the development of the
network is discussed in the presentation along with the hardware
device that are used for the network. The network device are selected
after analysis of the service requirement and used for the estimation
of the budget for the development of the project. The network is
designed such that it can accommodate the future growth of the
organization with a minimum cost.

Bibliography
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