11.5.2.4 Packet Tracer – Configuring a Linksys Router Instructions Answers

11.5.2.4 Packet Tracer – Configuring a Linksys Router Instructions Answers
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Packet Tracer – Configuring a Linksys Router

Objectives

Part 1: Connect to Linksys router

Part 2: Enable Wireless Connectivity

Part 3: Configure and Verify Wireless Client Access

Background

In this activity, you will configure a Linksys wireless router, allowing remote access to wireless clients as well as connectivity with WPA security.

Part 1: Connect to Linksys Router

Step 1: Establish and verify connectivity to the Linksys router.

a. Connect the appropriate cable from Host-A to the Ethernet 1 port on Linksys.

b. Wait for the link light to turn green. Then open the command prompt for Host-A. Use the ipconfig command to verify Host-received IP addressing information.

c. Enter the command ping 192.168.0.1 to verify Host-A can access the default gateway.

Step 2: Access the Linksys graphical user interface (GUI) using a web browser.

a. To configure the Linksys router using the GUI, you will need to access it using the Host-A web browser. Open the web browser and access Linksys by entering the default gateway address in the URL field.

b. Enter admin as the default username and password to access the Linksys router.

Note: You will not see your score change when configuring the Linksys router until you click Save Settings.

Part 2: Enable Wireless Connectivity

Step 1: Configure the Linksys router for Internet connectivity.

There is no Internet connectivity in this scenario, but you will still configure the settings for the Internet-facing interface. For Internet Connection Type, choose Static IP from the drop down list. Then enter the following static IP information:

· Internet IP Address – 198.133.219.1
· Subnet Mask – 255.255.255.0
· Default Gateway – 198.133.219.254
· DNS 1 – 198.133.219.10

Step 2: Configure the inside network parameters.

Scroll down to the Network Setup section and configure the following information:

· IP Address – 172.31.1.1
· Subnet Mask – 255.255.255.224
· Starting IP Address – Enter 5 for the last octet.
· Maximum number of Users – 25

Note: The IP address range of the DHCP pool will only reflect the changes once you click ‘Save Settings’

Step 3: Save the settings and reconnect to the Linksys router.

a. Scroll to the bottom of the page and click Save Settings. If you move from one tab to another without saving, your configurations will be lost.

b. You lose your connection when you click Save Settings. This occurred because you changed the IP address of the router.

c. Return to the command prompt of Host-A. Enter the command ipconfig /renew to renew the IP address.

d. Use the Host-A web browser to reconnect to the Linksys. You will need to use the new default gateway address. Verify the Internet Connection settings in the Status tab. The settings should match the values you configured in Part 2, Step 1. If not, repeat Part 2, Step 1 and Step 2.

Step 4: Configure wireless connectivity for wireless devices.

a. Click the Wireless tab and investigate the options in the dropdown list for Network Mode.

When would you choose to the Disable option? When you do not have wireless devices.
When would you choose the Mixed option? When you have wireless devices that consist of B, G or N

b. Set the network mode for Wireless-N Only.

c. Change the SSID to MyHomeNetwork.

What are two characteristics of the SSID?

d. When a wireless client surveys the area searching for wireless networks, it detects any SSID broadcasts. SSID broadcasts are enabled by default.

If the SSID of an access point is not being broadcast, how will devices connect to it? The client must be configured with the name and correct spelling in order to make a connection.

e. For best performance in a network using Wireless-N, set the radio band to Wide-40MHz.

f. Click Save Settings and then click Continue.

Step 5: Configure wireless sercurity so that clients must authenticate to connect to the wireless network.

a. Click the Wireless Security option under the Wireless tab.

b. Set the Security Mode to WPA2 Personal.

What is the difference between personal and enterprise? Enterprise uses a Radius server to authenticate users, whereas personal mode uses wireless router to authenticate users.

c. Leave the encryption mode to AES and set the passphrase to itsasecret.

d. Click Save Settings and then click Continue.

Step 6: Change the default password to access the Linksys for configuration.

a. You should always change the default password. Click the Administration tab and change the Router Access password to letmein.

b. Click Save Settings. Enter the username admin and the new password.

Part 3: Configure and Verify Wireless Client Access

Step 1: Configure Laptop to access the wireless network.

a. Click Laptop and click Desktop > PC Wireless. The window that opens in the client Linksys GUI.

b. Click the Connect tab and click Refresh, if necessary. You should see MyHomeNetwork listed under Wireless Network Name.

c. Click MyHomeNetwork and click Connect.

d. You should now see MyHomeNetwork. Click it and then Connect.

e. The Pre-shared Key is the password you configured in Part 2, Step 5c. Enter the password and click Connect.

f. Close the Linksys GUI and click Command Prompt. Enter the command ipconfig to verify Laptop received IP addressing.

Step 2: Verify connectivity between Laptop and Host-A.

a. Ping the Linksys router from the Laptop.

b. Ping Host-A from the Laptop.

Suggested Scoring Rubric

9

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