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ICTNWK603 Assessment 02

CTNWK603 Plan, configure and test advanced internetwork routing solutions Assessment 02
Warwick institute of Australia

Assessment 02 Project

Overview and Objectives

The following case study is used to illustrate the process and documentation required for a network design. This case study presents a scenario in which the UBack Company has hired a Network Consultant Group to design their network. In order to help you organize this project, the scenario has been broken into eight phases listing requirements for each phase. A worksheet is to be completed for each part. A formal report, similar to what would be given to the company, will need to be created after all tasks have been completed. This case study requires that you accomplish the following:

  1. Use the resources provided, diagram and narrative, to set up the physical network
  2. Set up an IP Subnetting scheme using VLSM
  3. Configure the routers as required
  4. Set up and configure the switches and VLANS as required
  5. Verify and troubleshoot all connections
  6. Provide detailed documentation in the appropriate format

Logical diagram:

UBack Company Logical diagram

Scenario

The UBack Company is small company that is developing high-speed wireless products. The main office occupies two buildings in Sydney. One building is for the Administration Group. The other building is for the Sales and Marketing Group, and the larger Research and Development Group. The Research Group and the Sales and Marketing Group will each have employees located on all three floors of the main building. The UBack Company also has a Sales Branch Office located in Melbourne. The Company is implementing a wired network that should support 100% growth over the next five to ten years. A logical diagram has been provided. The task is to design, implement and fully document the UBack Research Company network. In addition to a formal report, the UBack would like to see a prototype of the network built, before it is fully implemented, to verify that it will meet the company’s needs.

Phase 1: Requirements

Requirements

The UBack Company has provided a partially completed logical diagram of the required network. The company has also provided networking equipment for development and demonstration. In some instances the equipment provided does not have all the required LAN interfaces. If this is so the company allows

Configuration of loopback networks, as alternatives.

UBack Company Requirements

  1. 18 employees in the Research and Development group.
  2. 9 employees in the Sales and Marketing group.
  3. 7 employees in the Administration group.
  4. 5 employees in the remote sales office.
  5. Lifetime Max of 5 servers on separate subnet, regardless of company growth.
  6. Use subnet 200.200.100.0/30 for connection to the Internet router.
  7. Use public class C network 223.0.0.0 for internal addressing.
  8. Use VLSM for IP addressing.
  9. Expect 100% growth of current IP requirements when determining size of subnets. 10. All networking devices must have IP addresses

Worksheet

  1. Produce a logical diagram that includes:
    1. Router and switch names
    2. Router interface details
    3. Network addresses
    4. Number of hosts per network
    5. DCE Serial interfaces are to be clearly indicated
    6. Link Speeds
  1. The company expects the use of VLSM Design to maximize the use of IP addresses. A table is to be produced showing all possible subnets that meet the Companies requirements using a VLSM design. Subnets that will not be used are to be clearly identified in the table.

A sample table layout for recording the VLSM design is below.

Number of host addresses required

Network

Address

Subnet

Mask

Max Number of Host Possible

In Use

(Yes/No)

Network

Name

CIDR

Gateway

  1. For each location, including the Internet, a further set of tables is required. These will assist with design and development activities and used when configuring switches and routers. A separate table should be created for each router and switch at each location.

Below is a sample layout for routers.

Location:

Router Name:

Interface/Sub

Interface

Type/Number

Description and Purpose

DCE/DTE

(if

applicable)

Speed or Clock

rate

Network

Name

Network

Number

Interface

IP Address

Subnet

Mask

Location:

Router Name:

Interface/Sub

Interface

Type/Number

Description and Purpose

DCE/DTE

(if

applicable)

Speed or Clock

rate

Network

Name

Network

Number

Interface

IP

Address

Subnet

Mask

Location:

Router Name:

Interface/Sub

Interface

Type/Number

Description and Purpose

DCE/DTE

(if

applicable)

Speed or Clock

rate

Network

Name

Network

Number

Interface

IP

Address

Subnet

Mask

Location:

Router Name:

Interface/Sub

Interface

Type/Number

Description and Purpose

DCE/DTE

(if

applicable)

Speed or Clock

rate

Network

Name

Network

Number

Interface

IP

Address

Subnet

Mask

Below is the sample layout for the switch tables.

Location:

Switch Name:

Switch IP address:

Interface/

Sub

Interface

Type/Port

/Number

Descriptio

n and Purpose

Speed

Dupl ex

Networ k

Name

Netwo rk

Numb er

Subn et

Mask

VL

AN

Switch port Type

Encapsulati on

(if needed)

Location:

Switch Name:

Switch IP address:

Interface/

Descriptio

Speed

Dupl

Networ

Netwo

Subn

VL

Switch

Encapsulati

Sub

Interface

Type/Port

/Number

n and Purpose

ex

k

Name

rk

Numb

er

et

Mask

AN

port Type

on

(if needed)

Location:

Switch Name:

Switch IP address:

Interface/

Sub

Interface

Type/Port

/Number

Descriptio

n and Purpose

Speed

Dupl ex

Networ

k

Name

Netwo

rk

Numb

er

Subn

et

Mask

VL

AN

Switch port Type

Encapsulati on

(if needed)

  1. To complete the IP design, assign and tabulate PC/workstation and server addresses for each LAN in each location. A DHCP server will assign PC/workstation addresses. Server addresses will be statically assigned.

For the demonstration, the company agrees that it is enough to statically assign all PC/workstation and server addresses.

LAN name

PC or server

Name

IP address

Subnet

Mask

Gateway

Services

Provided

The tables and supporting text will be part of the documentation delivered to the UBACK Company.

Before you commence with the next task the logical diagram and tables need to be approved by the company.

Instructors Signature: ______________________Date:_______________

Phase 2: Routing protocols

The company wants a recommendation for a routing protocol for the network.

Worksheet

The possible routing protocol alternatives and properties are to be identified in a brain storming session. Each property is assigned a plus, neutral, or minus value for each of the routing protocols. Alternatively a numerical value can be used, for example 0 to 4. A recommendation is made and the decision matrix presented to the Company.

Routing

Protocol

Property 1

(+, neutral, - , or a numeric value) Supports

VLSM

Property 2

Scalable Uses multicast updates

Property 3 Easy to configure

Property 4 Proprietary

Total

RIP V1

-

-

+

+

4

RIP v2

IGRP

EIGRP

OSPF

Group Recommendation for Routing Protocol: ______________________

Instructors Signature:_________________________Date:_______________

Phase 3: OSPF

The Company has decided that it will use OSPF as the routing protocol.

UBACK Company Requirements

  1. OSPF process id 50
  2. All routers in a single area, area 0
  3. Loopback address assigned on each router
  4. Loopback address used as the OSPF router ID
  5. There is one multi-access network in the Administration Building and a DR will need to be elected
  6. Determine whether to use Router ID or interface priority to determine the DR in the Administration Building

Instructors Signature: _______________________Date:_______________

Phase 4: VLANs

The company now wants information about VLANs. These are required in the Main Building. The company has provided the following information:

UBACK Company Requirements

  1. There are 18 Research and Development employees
  2. There are 9 Sales and Marketing employees.
  3. 8 Research personnel and 2 Sales personnel are on Floor 3.
  4. 6 Research personnel and 4 Sales personnel are on Floor 2.
  5. 4 Research personnel and 3 Sales personnel are on Floor 1.
  6. Floor 1 also has the Server LAN. Five server machines are planned but at this time only one is available.
  7. There are separate rooms on each floor for the workgroups.
  8. There is sufficient space in each room to accommodate growth.
  9. The 100% predicted growth will occur uniformly per floor.
  10. Switches in the Main building are connected in a loop so that if one switch fails an alternative path is used.
  11. There will be one switch per floor shared among the different subnets.
  12. Spanning tree root is to be placed in an optimal position.

Worksheet

  1. Tables documenting Switch VLAN port assignments are to be produced for the available demonstration equipment. Any unassigned ports are to remain in the default VLAN.

The table below is an example of the documentation that the company requires.

Switch Details

Switch

Name

Model

# of

Ports

location

IP

Address

Gateway

Management

VLAN

VTP

Mode

VTP

Domain

STP

Root

VLAN Port Assignments

Update the switch tables, located in the worksheets of Scenario (part 2), with the VLAN and port information for each server, workstation, interconnect between switches, and the interconnect to the router in the Main building

  1. Before submitting the documentation, justification is required for the decision made about the STP root bridge. Write one paragraph justifying the choice to the company.

Instructors Signature: ______________________Date:_______________

Phase 5: Physical layer design

The Company needs a proposal which will include the growth projections for the physical layer design.

The document should include the number of cable runs, recommended equipment including patch panels, and labeling rules must also be specified.

For each floor, a table similar to the one below should be included in the documentation.

Main Building Floor 1 Switch

Equipment Type

Model No

Qty

No./Type Ports

Description/Function

Cost

Main Building Floor 2 Switch

Equipment Type

Model No

Qty

No./Type Ports

Description/Function

Cost

Main Building Floor 3 Switch

Equipment Type

Model No

Qty

No./Type Ports

Description/Function

Cost

Administration Building Switch:

Equipment Type

Model No

Qty

No./Type Ports

Description/Function

Cost

Remote Branch Office Switch:

Equipment Type

Model No

Qty

No./Type Ports

Description/Function

Cost

To help with the physical layer design the company has provided a diagram from their old site. The company requires a similar diagram for the Main Building. The Main Building has three floors and will use Cat 5 throughout for the LANs.

The diagram must include the following:

  1. The length and number of cable runs.
  2. The labeling convention for each of the outlets and patch panel. Generic room names and port names.

.

On each floor the horizontal cable runs will be no more than 30 meters. The length of cable needed between consecutive floors is 15 meters.

The documentation should include a description of how cross connects for all trunks will be patched for the required logical topology. The pin out (straight or crossover) cable types should be listed.

Phase 6: Test network

The Company requires a demonstration of the functionality of the Main Building network and asks that a logically equivalent network be wired up with the equipment provided. The company requires an http server machine to be set up in the Server VLAN and a minimum of a single client host on each of the other VLANs. The company requires that all devices be configured. All configurations, routing tables and VLAN databases are to be recorded as part of documentation.

The company specifies the following network testing. The company is receptive to suggestions or recommendations about other testing and about future network improvements.

Testing and Verifying Strategy

  1. Demonstrate routing between Main Building VLANS.

From

VLAN/SW

To VLAN/SW

Protocol

Hosts

Pass/Fail

  1. Demonstrate access of all hosts to each other and http service on the server machine.

From Host

To Host

Pass/Fail

  1. Demonstrate behavior of the internetwork when a single trunk link fails.

From Host

To Host

Trunk up/down

Route

Pass/Fail

Recommendations for future network improvements.

Recommendation 1.

Recommendation 2.

Phase 7: Final demonstration

The company now wants a demonstration of the complete company internetwork. All devices are to be configured and access to the Internet Server address from all networks shown. The OSPF routing protocol with process id of 50 has been selected. Because the network is quite small, a single OSPF area is acceptable.

All configurations, routing tables, and outputs from connectivity testing are to be recorded and stored on a tftp server and on floppy disk.

Test summary results:

From Host

To Host

Path tested

Route Taken

Pass/Fail

Phase 8: Presentation

The final task in this case study is to deliver a 10-minute presentation of the main features of the design decisions and recommendations. A formal written report should also be provided that contains all of the design documents as well as all the supporting worksheets (see case study deliverables). The document should be complete enough to allow a third party to install and configure the network without any additional documents.

Project Deliverables

Once the case study problem has been solved, the network has been successfully designed and the prototype implemented and tested, a final report must be provided to your instructor. This report will include thorough and well-organized documentation of the process. It is highly recommended that all tables be completed using a spreadsheet program such as Microsoft Excel. Cisco Network Designer, Visio or a paint program can be used for the network diagrams.

Student has to submit the following items must be included in the final report (Up to Phase5):

  1. Executive Summary
  2. Summary of the Company and Network Requirements
  3. Discussion on the implementation of IP address and VLSM
  4. Discussion on the implementation of Routing Protocols
  5. Discussion on the implementation of Vlans, STP, and switches
  6. Discussion on the physical layer design and equipment
  7. Recommendations for future network upgrades
  8. Logical Diagram
  9. Physical Diagram
  10. IP Addressing Table (For all Networks)
  11. Router Interface Table (For all Routers)
  12. Switch Table (For all Switches)
  13. PC addressing Table (For all PC in your Network Design)
  14. Equipment’s Description Table
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