Chapter 5 : Lab 5.2.3.3 Designing the Core Layer

Step 1: Identify Core Layer Requirements

a. Use word processing software to create a new document called “Core Layer Diagram.”

b. Use the identified topology and associated equipment to determine Core Layer design requirements.

Design requirements for the Core Layer network include:

High-speed connectivity to the Distribution Layer switches

24 x 7 availability

Routed interconnections between Core devices

High-speed redundant links between Core switches and between the Core and Distribution Layer

devices

c. Brainstorm with other students to identify areas that may have been missed in the initial requirements

document.

Step 2: Create an Access Layer module design

Using the list developed from the group discussion, create an Access Layer module (design only).

a. Create your design using the existing equipment.

The FilmCompany network equipment includes:

2 x 1841 Routers (FC-CPE-1, FC-CPE-2)

3 x 2960 Switches (FC-ASW-1, FC-ASW-2, ProductionSW)

1 x ADSL Modem for Internet Access

b. Using the list of equipment, identify modules that can be added to the existing equipment to support

new features, such as redundancy.

c. Save your Core Layer Diagram document.

Step 3: Select Core Layer devices

a. Use word processing software to create an addition to the Core Layer Diagram document.

b. The identified Core Layer module diagram will be used to adjust the Distribution Layer design.

Equipment selected must include existing equipment. Use Layer 3 devices at the Core Layer in a

redundant configuration.

c. Save your Core Layer Diagram document.

Step 4: Design Redundancy

a. Use word processing software to create an addition to the Core Layer Diagram document.

b. Design a redundancy plan that combines multiple Layer 3 links to increase available bandwidth.

c. Create a design that incorporates redundancy

d. Save your Core Layer Diagram document.

Step 5: Reflection / Challenge

The design strategies for the FilmCompany pose many challenges for the designer. What were a few of the more difficult challenges you encountered?

Consider and discuss the identified strategies. Do all of the strategies designed accomplish the task the same way?

Would one be less expensive or less time-consuming than the other?

Apakah peralatan yang ada mampu menangani lalu lintas jaringan yang diusulkan? Jika demikian, bagaimana? Jika tidak, mengapa?
• Apa perangkat yang
dapat digunakan sebagai pengganti Layer 3 switch? Dapatkah perangkat tersebut memberikan kinerja yang sama?
• Apa kelemahan potensial untuk diagram yang diusulkan?

Lab 5.2.4.2 Creating a Diagram of the FilmCompany LAN

Step 1: Identify LAN Requirements

a. Use word processing software to create a new document called “LAN Diagram.”

b. Use the identified topology and associated equipment to determine LAN design requirements.

Design requirements for the LAN include:

High-speed connectivity to the Access Layer switches 24 x 7 availability

High-speed redundant links between switches on the LAN and the Access Layer devices

Identifying available hardware for the LAN

The current network has two VLANs.

1. General VLAN consisting of:

12 Office PCs

2 Printers

This VLAN serves the general office and managers, including reception, accounts and administration.

Addressing:

Network 10.0.0.0/24

Gateway 10.0.0.1

Hosts (dynamic) 10.0.0.200 – 10.0.0.254

Hosts (static) 10.0.0.10 – 10.0.0.20

2. Production VLAN consisting of:

9 High Performance Workstations

5 Office PCs

2 Printers

c. Brainstorm with other students to identify areas that may have been missed in the initial requirements

document.

Step 2: Determine equipment features

Using the list developed from the brainstorming session create a LAN based on technical requirements

(design only).

a. Create your design using the existing equipment.

The FilmCompany network equipment includes:

2 x 1841 Routers (FC-CPE-1, FC-CPE-2)

3 x 2960 Switches (FC-ASW-1, FC-ASW-2, ProductionSW)

1 x ADSL Modem for Internet Access

b. Using the list of equipment, identify modules that can be added to the existing equipment to support

new features, such as redundancy.

c. Save your LAN Diagram document.

Step 3: Select LAN devices

a. Use word processing software to create an addition to the LAN Diagram document.

b. The identified LAN diagram will be used to adjust the Access Layer design. Equipment selected must

include existing equipment.

c. Save your LAN Diagram document.

Step 4: Design Redundancy

a. Use word processing software to create an addition to the LAN Diagram document.

b. Design a redundancy plan that combines multiple Layer 2 links to increase available bandwidth.

c. Create a design that incorporates redundancy.

d. Save your LAN Diagram document.

Step 5: Reflection / Challenge

The design strategies for the FilmCompany LAN pose many challenges for the designer. What were a few of the more difficult challenges you encountered?

Consider and discuss the identified strategies. Do all of the strategies designed accomplish the task the same way?

Would one be less expensive or less time-consuming than the other?

Would the chosen LAN design allow for future growth and the addition of the WLAN?

Apakah peralatan yang ada mampu menangani lalu lintas jaringan yang diusulkan? Jika demikian, bagaimana? Jika tidak, mengapa?
• Apa perangkat yang
dapat digunakan sebagai pengganti Layer 2 switch?

Apa kelemahan potensial untuk diagram yang diusulkan?



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