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Cisco packet tracer practice file : Connecting Wireless PCs to a Linksys WRT300N

In this post you can able to learn some knowledge about Connecting Wireless PCs to a Linksys WRT300N.

These materials actually provided by cisco.

First download this file from here : Connecting Wireless PCs to a Linksys WRT300N

Then do the following steps:

Learning Objectives
  • Configure basic wireless settings on a PC.
  • Configure basic security on the Linksys-WRT300N.
  • Verify full connectivity.

Introduction
In this activity, you will configure wireless PCs to connect to a network via the Linksys WRT300N. You will configure basic security on the Linksys WRT300N by changing the default SSID, the default password, and adding WEP encryption.

Task 1: Connect to the Linksys WRT300N Router
Step 1. Connect to the wireless router.
From WirelessPC1, access the Desktop then PC Wireless. Select the Connect tab and connect to the default network.

Step 2. Verify connectivity settings.
While still at the desktop of the PC, verify the connectivity settings by accessing the Command Prompt and typing the ipconfig command.
PC>ipconfig

IP Address......................: 192.168.1.100
Subnet Mask.....................: 255.255.255.0
Default Gateway.................: 192.168.1.1

PC>

Note: The IP address could be different since it was dynamically acquired.

Task 2: Access the Linksys WRT300N
Step 1. Access Linksys WRT300N, WRS1 through the web browser.
On WirelessPC1, close the Command Prompt and then click the Web Browser. Enter the URL 192.168.1.1, the default gateway of the PC.

Step 2. Enter authentication information.
You will be prompted for a username and password. The default username and password are both admin. Once you have entered the login information, you should be viewing the default page of the Linksys WRT300N web utility.

Task 3: Basic Wireless Settings
Step 1. Configure the SSID.
To start securing the wireless network, access the Wireless page and change the default Network Name (SSID) from Default to WRS1.

Step 2. Save settings.
Scroll down the page and then click Save Settings. When the settings are accepted by the Linksys WRT300N, a Request Timeout message will appear in the web browser window. After this message is displayed, continue to Step 3.

Step 3. Reconnect to the wireless network.
Since the SSID has changed, WirelessPC1 is currently unable to access the network. On the Desktop return to PC Wireless and select the Connect tab. Connect to the WRS1 network.

Task 4: Enable Wireless Security
Step 1. From the Web Browser on WirelessPC1, reconnect to the router setup page (http://192.168.1.1).

Step 2. Navigate to the Wireless page and then select the Wireless Security tab.

Step 3. Under Security Mode, select WEP.

Step 4. Enter a WEP key.
A network is only as secure as its weakest point, and a wireless router is a very convenient place to start if someone wants to damage your network. By requiring a WEP key to connect to the router, you are adding a level of security.
Unfortunately, there are tools that can crack WEP key encryption. A more robust form of wireless security is WPA and WPA-2, which are currently not supported by Packet Tracer.
Add the WEP key 1234567890 in the Key1 field.

Step 5. Save your settings.
Scroll down the page and then click Save Settings. You will become disconnected from the network again after saving your settings. When the settings are accepted by the Linksys WRT300N, a Request Timeout message will appear in the web browser window. After this message is displayed, continue to Step 6.

Step 6. Configure WirelessPC1 to use WEP authentication.
  • Return to the Desktop and click PC Wireless.
  • Click the Connect tab.
  • From the list of available wireless networks, select WRS1 and click Connect.
  • A screen will appear requesting the WEP key. Under WEP Key 1, type the WEP key: 1234567890 and then click Connect.
  • Click the Link Information tab to verify connectivity to the access point.
Your completion percentage should be 57%. If not, click Check Results to see which required components are not yet completed.

Task 5: Managing and Securing the Web Utility of the Router
Step 1. Configure web access password.
From the Web Browser on WirelessPC1, return to the web utility page of the router (http://192.168.1.1) and navigate to the Administration section. Change the router password to cisco to secure access to the Linksys WRT300N by changing the default password. Note that HTTP Web Utility Access is already selected by default.

Step 2. Scroll down the page and click Save Settings.
After implementing the changed password, the page will display: Settings are succesfful. Below this message, there is a link to continue by logging into the web utility for the Linksys WRT300N. Click the Continuelink and a login window will popup. Enter the username of admin and use cisco as the password to reconnect to the Linksys WRT300N web configuation pages.

Task 6: Change The Wireless Channel in Use
Step 1. Access Linksys WRT300N, WRS1 through the web browser.
On WirelessPC1, click the Web Browser. Enter the URL 192.168.1.1.

Step 2. Enter authentication information.
Authenticate by entering admin for the username and cisco for the password.

Step 3. Specify a wireless channel.
Many access points can automatically select a channel based on adjacent channel use. Some products continuously monitor the radio space to adjust the channel settings dynamically in response to environmental changes. In this task you will force the access point to work on channel 6.

Since the clients are 802.11b/g only, the Radio Band will be left as Standard-20MHz Channel.

On the page that loads, navigate to Wireless > Basic Wireless Setup and locate the area Standard Channel. Change it to 6 – 2.437GHz.

Step 4. Save your settings.
Scroll down the page and then click Save Settings. When the settings are accepted by the Linksys WRT300N, a Settings are successful message will appear in the web browser window. After this message is displayed, click Continue to go back to the wireless page and close it.

WirelessPC1 should now the associated to WRS1. Note that no configuration is required on WirelessPC1 when changing channels. WRS1 is the device controlling which channel is used.

Task 7: Connect WirelessPC2 to the network
Step 1. Configure WirelessPC2 to use WEP authentication.
  • From WirelessPC2 go to the Desktop tab and click PC Wireless.
  • Click the Connect tab.
  • From the list of available wireless networks, select WRS1 and click Connect.
  • A screen will appear requesting the WEP key. Under WEP Key 1, type the WEP key: 1234567890 and then click Connect.
  • Click the Link Information tab to verify connectivity to the access point.


Your completion percentage should be 100%. If not, click Check Results to see which required components are not yet completed

Connecting Wireless PCs to a Linksys WRT300N

Cisco packet tracer practice file : Connecting Wireless PCs to a Linksys WRT300N
  • Title : Cisco packet tracer practice file : Connecting Wireless PCs to a Linksys WRT300N
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