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Suntech is new company that is going to launch its operations in Ruwi Muscat soon. Suntech urgently needs a new LAN to be installed in their four (4) storied building in Ruwi. They applied for internet connection from Omantel and Omantel gave them internet connection with IP address 193.7.3.0. Your company specialized in providing network solutions in Oman and you are the network specialist working for this company. You are therefore given the responsibility to implement the network for Suntech Company.
During your first visit to Suntech Company for fact finding mission about what their network requirements are, they furnished you with the details given on tables 1, 2 and 3.
The company has five (5) departments namely Human Resource, Sales, Finance, Marketing and Operations.
One of the departments is Human Resource Management. They sometimes interview applicants by video conferencing. Human resource needs this application to be implemented on this new network.
 Make a detailed diagrammatic design for the network.
 The diagram should show the host IP addresses for the five departments, the subnet IDs and the broadcast addresses for each department.
 Finally you should design your proposed network and implement it by using packet tracer.

 Test that the network is working and all users can communicate with one another.
Make a detailed report on your assignment. The report should have introduction, some literature review on the network devices that you have chosen eg. ATM, CISCO, 3COM etc, and make conclusion.

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A compact, practical plan to turn 's assignment into a deliverable: focus on a clear logical diagram, a scalable IP addressing table produced with VLSM, a Packet Tracer topology that mirrors the diagram, and a short test log showing all services and inter-VLAN connectivity.

Start by modelling the physical and logical topology separately. Use VLANs to isolate user groups and put shared servers in a separate server/DMZ VLAN. Choose between layer‑3 switching (SVIs) or router‑on‑a‑stick for inter‑VLAN routing depending on budget and throughput. Build an addressing table that lists, for each VLAN: subnet ID, mask, first/last host, and broadcast. Allocate subnets by descending host requirement, reserve extra space for growth, and keep one block for infrastructure and one for management.

Pick network gear that matches budget: managed access switches with 1Gb uplinks for the access layer, a L3-capable device for routing/firewalling, and a simple edge device for ISP NAT. Include UPS for core devices and a basic firewall or ACL policy for internet access. For video conferencing, design QoS: mark/shape real‑time flows and reserve queue bandwidth so RTP packets get priority over best‑effort bulk traffic.

When building in Packet Tracer, follow this checklist:

  • Create switches/routers and map VLANs to access ports; configure trunking and allowed VLANs.
  • Add SVIs or subinterfaces and assign DHCP pools per VLAN; place shared servers in the server VLAN.
  • Configure NAT/edge routing and basic ACLs; enable basic QoS policy for RTP.
  • Test with ping/traceroute, test service reachability (HTTP/SMTP), and simulate video traffic if possible.

Troubleshooting tips: check trunk VLAN IDs, verify SVI default gateways, confirm DHCP scopes and masks, watch ACL order for implicit denies, and look for overlapping subnets. Deliverables should include diagram(s), the addressing table, key configuration snippets, the Packet Tracer file, test logs, and a short vendor/feature justification tied to the budget.

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Locations, user numbers Human Resource (20), Sales (28), Marketing (15),
Finance (17) and Operations (12)
Cost/Funding Less than R.O. 20,000
Table 1
Applications Application Categories
(capacity/availability/delay if applies) Application Locations
Application A:
Web sever Best-effort,
Interactive burst (100Kbps) All Departments
Application B:
E-mail Best-effort, interactive (300 Kbps) All Departments
Application C:
Sales Best-effort
Interactive Bulk (30 Kbps) Sales department
Table 2
Hosts/Devices Type of Hosts/Equipment Numbers & Locations
Host A PC Human Resource (20), Sales (28), Marketing (15), Finance (17) and Operations (12)
Host B Sales server (App C) Sales department.
Host C Web server (App A) Accessible to all departments
Host D E-mail server (App B) Accessible to all departments
Table 3

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