13.4.5 Packet Tracer – Troubleshoot WLAN Issues (Instructions Answer)

13.4.5 Packet Tracer – Troubleshoot WLAN Issues (Instructor Version)

13.4.5 Packet Tracer – Troubleshoot WLAN Issues

13.4.5 Packet Tracer – Troubleshoot WLAN Issues

Addressing Table

Device Interface IP Address
Home Wireless Router Internet DHCP
LAN 192.168.0.1
R1 G0/0/0.10 192.168.10.1/24
G0/0/0.20 192.168.20.1/24
G0/0/0.200 192.168.200.1/24
G0/0/1 172.31.1.1/24
SW1 VLAN 200 192.168.200.100/24
LAP-1 G0 DHCP
WLC-1 Management 192.168.200.254/24
RADIUS Server NIC 172.31.1.254/24
Admin PC NIC 192.168.200.200/24
Web Server NIC 203.0.113.78/24
DNS Server NIC 10.100.100.254
Home Admin NIC DHCP
Laptop NIC DHCP
Laptop1 Wireless0 DHCP
Laptop2 Wireless0 DHCP
Tablet PC Wireless0 DHCP
Smartphone Wireless0 DHCP

WLAN Information

WLAN SSID Authentication Username Password
Home Network HomeSSID WPA2-Personal N/A Cisco123
WLAN VLAN10 SSID-10 WPA-2 PSK/Personal N/A Cisco123
WLAN VLAN 20 SSID-20 WPA-2 802.1x/Enterprise user2 user2Pass

Objectives

In this activity, you will troubleshoot various issues in home wireless and enterprise wireless networks.

  • Troubleshoot wireless LAN connectivity issues in a home network.
  • Troubleshoot wireless LAN connectivity issues in an enterprise network.

Background / Scenario

Now that you have learned how to configure wireless in home and enterprise networks, you need to learn how to troubleshoot in both wireless environments. Your goal is to enable connectivity between hosts on the networks to the web server by both IP address and URL. Connectivity between the home and enterprise networks is not required.

To access the Home Wireless Router, the username and password is admin.

The WLC management interface username is admin and the password is Cisco123.

Instructions

Part 1: Troubleshoot the Network

Note: You will only be troubleshooting the Home Wireless Router, WLC and wireless host devices in this activity.

Step 1: Test connectivity.

a. Test connectivity between the various wireless hosts and the web server by both IP and URL www.netacad.pt.

b. Record the hosts that cannot access the web server in the table in Step 2.

Step 2: Investigate issues and record findings.

a. Investigate the connectivity issues with each host. Issues may be with the host configuration, or with other wireless network components.

b. Complete the table.

Device Network
Home/Enterprise
Issue Remedy
Smartphone, Tablet PC, Laptop Home Unable to access URL of server by name. The DNS server address misconfigured on Home Wireless Router DHCP server. Change static address on Home Wireless router DHCP server to 10.100.100.254
Tablet PC Home Client set to static addressing Should be set to DHCP.
Wireless router Home Internet interface is set to static. Set internet interface to DHCP
WLC Enterprise WLAN Wireless VLAN 20 is not enabled. Enable WLAN and apply.
Laptop 2 Enterprise Laptop 2 won’t connect to Wireless VLAN 20. Incorrect username in client profile. Change username to user2.
WLC Enterprise Laptop 1 cannot connect to the WLAN. On the WLC, WLAN-Wireless VLAN 10 has Authentication Key Management set to 802.1x rather than PSK, which is the configuration required for WPA2 PSK security. Change Authentication Key Management to PSK, enter the PSK value from the WLAN table.

Part 2: Fix Issues

Make changes to the device configurations so hosts can achieve connectivity with the network. Test to ensure all hosts can reach the communication goal of connecting to the web server by both IP address and URL.

Change static address on Home Wireless router DHCP server to 10.100.100.254

Use Copper Straight-Through to connect Home Admin PC and Home Wireless Router
Go to Home Admin, Desktop tab, Web Browser, Enter: https://192.168.0.1 to access Home Wireless Router (the username and password is cisco)
Change IP DNS Server to 10.100.100.254 and Save Setting

13.4.5 Packet Tracer – Troubleshoot WLAN Issues (Instructions Answer) 1

Change IP DNS Server

Renew IP on Smartphone, Laptop and Home Admin:
Go to Desktop tab, Command Prompt -> Enter ipconfig /renew to refesh IP info device
13.4.5 Packet Tracer – Troubleshoot WLAN Issues (Instructions Answer) 2

Tablet PC should be set to DHCP.

On Tablet PC, go to Desktop tab, IP Configuration, DHCP
13.4.5 Packet Tracer – Troubleshoot WLAN Issues (Instructions Answer) 3

Set internet interface Wireless router (Home) to DHCP

Login to Home Wireless Router again, In Internet Connection Type, change to Automatic Configuration – DHCP and Save Change
13.4.5 Packet Tracer – Troubleshoot WLAN Issues (Instructions Answer) 4

Enable WLAN 20 and apply on WLC

On Admin PC, go to Desktop tab, Web Browser, Enter “https://192.168.200.254” to access WLC (Username/Password is: admin/Cisco123)

Go to WLAN 20
13.4.5 Packet Tracer – Troubleshoot WLAN Issues (Instructions Answer) 5

Tick Enable and Apply:
13.4.5 Packet Tracer – Troubleshoot WLAN Issues (Instructions Answer) 6

Change username Laptop 2 to user2.

Go to Laptop 2, Desktop tab, PC Wireless
13.4.5 Packet Tracer – Troubleshoot WLAN Issues (Instructions Answer) 7

Go to Profiles tab, Click Edit
13.4.5 Packet Tracer – Troubleshoot WLAN Issues (Instructions Answer) 8

Select SSID-20, Advanced Setup
13.4.5 Packet Tracer – Troubleshoot WLAN Issues (Instructions Answer) 9

Go to Wireless Security, select WPA2-Enterprise and Next
13.4.5 Packet Tracer – Troubleshoot WLAN Issues (Instructions Answer) 10

Enter Login name/Password: user2/Cisco123
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13.4.5 Packet Tracer – Troubleshoot WLAN Issues (Instructions Answer) 12

13.4.5 Packet Tracer – Troubleshoot WLAN Issues (Instructions Answer) 13

Go to Profiles tab, select WLAN 20 profile, click Connect:
13.4.5 Packet Tracer – Troubleshoot WLAN Issues (Instructions Answer) 14

Results
13.4.5 Packet Tracer – Troubleshoot WLAN Issues (Instructions Answer) 15

On the WLC, change Authentication Key Management WLAN-Wireless VLAN 10 to PSK

13.4.5 Packet Tracer – Troubleshoot WLAN Issues (Instructions Answer) 16

Click the Security tab. Under the Layer 2 tab:
– Disable 802.1X and enable PSK under Authentication Key Management.
– Enter New Pre-Shared Key is Cisco123 –> Apply

13.4.5 Packet Tracer – Troubleshoot WLAN Issues (Instructions Answer) 17

Connect Laptop 1 TO WLAN-Wireless VLAN 10
13.4.5 Packet Tracer – Troubleshoot WLAN Issues (Instructions Answer) 18
13.4.5 Packet Tracer – Troubleshoot WLAN Issues (Instructions Answer) 19

Download PDF & PKA file Completed:

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jakusk
jakusk
19 days ago

Password and login to Home Wireless Router is admin (Part 2 Fix Issues)

Last edited 19 days ago by jakusk