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Lab 7.5.

3: Troubleshooting Wireless Configuration

Topology Diagram

Addressing Table
Default Gateway
Device Interface IP Address Subnet Mask

Fa0/0.5 5.5.5.10 255.255.255.0 N/A
Fa0/0.10 192.168.10.1 255.255.255.0 N/A
R1 Fa0/0.11 11.11.11.1 255.255.255.0 N/A
Fa0/0.18 18.18.18.1 255.255.255.0 N/A
Lo0 10.1.1.1 255.255.255.252 N/A
WAN 192.168.10.2 255.255.255.0 192.168.10.1
WRS2
LAN/Wireless 192.168.20.1 255.255.255.0 N/A
WAN 192.168.10.3 255.255.255.0 192.168.10.1
WRS3
LAN/Wireless 192.168.30.1 255.255.255.0 N/A
PC1 NIC 11.11.11.10 255.255.255.0 11.11.11.1
PC4 NIC 18.18.18.10 255.255.255.0 18.18.18.1
S1 VLAN 5 5.5.5.1 255.255.255.0 N/A

All contents are Copyright © 1992–2007 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 1 of 5

18.0 192.255.255.10.3 ! line con 0 exec-timeout 0 0 logging synchronous ! end Switch 1 Configuration hostname S1 ! vtp mode transparent ! vlan 5. You must find and correct the misconfigurations based on the minimum network specifications provided by your company.5.255. Inc.168.20.168.2 ip route 192.168. Here are the configurations to load into your router and switches.1 255. CCNA Exploration Wireless Configuration: Basic Wireless Concepts and Configuration Lab 7.0 255.5 encapsulation dot1Q 5 ip address 5.168.255.3: Troubleshooting Wireless Configuration S2 VLAN 5 5.5.5.10 encapsulation dot1Q 10 ip address 192.18.0 N/A S3 VLAN 5 5.255.10.18 encapsulation dot1Q 18 ip address 18.168.5.1 255.0 ! ip route 192.1 255.255. R1 Configuration hostname R1 ! interface Loopback0 ip address 10.0 192.1. All rights reserved.255.5.255.255.0 ! ! interface FastEthernet0/0.255.5.255.30.255.0 N/A Scenario In this lab.0 255. Page 2 of 5 .10 255.255.1.255. This document is Cisco Public Information.10-11 ! All contents are Copyright © 1992–2007 Cisco Systems.0 ! interface FastEthernet0/0 no ip address duplex auto speed auto no shutdown ! interface FastEthernet0/0.255.0 ! interface FastEthernet0/0.11.3 255.2 255.5. a basic network and wireless network have been configured improperly.255.

255.5.10.5.11 switchport mode trunk switchport trunk native vlan 5 ! interface FastEthernet0/5 switchport mode trunk switchport trunk native vlan 5 ! interface Vlan5 ip address 5.18 switchport mode access ! interface FastEthernet0/2 switchport trunk allowed vlan 5.255.18 switchport mode access ! All contents are Copyright © 1992–2007 Cisco Systems.1 255.11 switchport mode trunk switchport trunk native vlan 5 ! interface FastEthernet0/4 switchport trunk allowed vlan 5.11.11. All rights reserved.10.18 switchport mode access ! interface FastEthernet0/3 switchport trunk allowed vlan 5.10. Page 3 of 5 .10-11.CCNA Exploration Wireless Configuration: Basic Wireless Concepts and Configuration Lab 7.10.10.18 ! interface FastEthernet0/1 switchport trunk allowed vlan 5.10.11.11 switchport mode trunk switchport trunk native vlan 5 ! interface FastEthernet0/2 switchport trunk allowed vlan 5.11 switchport mode trunk switchport trunk native vlan 5 ! interface FastEthernet0/3 switchport trunk allowed vlan 5.5. Inc.10.0 no shutdown ! line con 0 exec-timeout 0 0 logging synchronous ! End Switch 2 Configuration hostname S2 ! vtp mode transparent ip subnet-zero ! vlan 5. This document is Cisco Public Information.3: Troubleshooting Wireless Configuration interface FastEthernet0/1 switchport trunk allowed vlan 5.

18 switchport mode trunk All contents are Copyright © 1992–2007 Cisco Systems.10.2 255.22fb ! interface Vlan1 no ip address shutdown ! interface Vlan5 ip address 5. This document is Cisco Public Information.11.11.ab13.3: Troubleshooting Wireless Configuration interface FastEthernet0/4 switchport trunk allowed vlan 5.11.255.33fa ! interface FastEthernet0/18 switchport access vlan 18 switchport mode access switchport port-security switchport port-security mac-address sticky switchport port-security mac-address sticky 022c.10-11.18 switchport mode access ! interface FastEthernet0/7 switchport access vlan 10 ! interface FastEthernet0/11 switchport access vlan 11 switchport mode access switchport port-security mac-address sticky switchport port-security mac-address sticky 0336. Inc.0 no shutdown ! line con 0 exec-timeout 0 0 logging synchronous ! End Switch 3 Configuration hostname S3 ! vtp mode transparent ! vlan 5.5b1e.CCNA Exploration Wireless Configuration: Basic Wireless Concepts and Configuration Lab 7.18 ! interface FastEthernet0/1 switchport trunk allowed vlan 5.10.255.5.18 switchport mode trunk switchport trunk native vlan 5 ! interface FastEthernet0/3 switchport trunk allowed vlan 5.10. All rights reserved.18 switchport mode trunk switchport trunk native vlan 5 ! interface FastEthernet0/2 switchport trunk allowed vlan 5.10.5.5. Page 4 of 5 .11.

but N clients cannot.30. Clients using both B and G wireless network modes can connect.168. ensure that at least the following capabilities exist: 1. CCNA Exploration Wireless Configuration: Basic Wireless Concepts and Configuration Lab 7. 3. 5. 7. Connections via the IP addresses shown in the topology diagram.10. 4. Traffic between PC2 and PC3 must take the most efficient route possible. A client can have a DHCP address for at least 2 hours. All contents are Copyright © 1992–2007 Cisco Systems. Page 5 of 5 . 8. More than 30 clients can get an IP address through DHCP at a single time. Wireless clients must be authenticated using WEP with a key of 5655545251.255.11. 9.3: Troubleshooting Wireless Configuration switchport trunk native vlan 5 ! interface FastEthernet0/4 switchport trunk allowed vlan 5. Ping requests coming from outside WAN ports of the Linksys routers to their inside LAN/wireless IP addresses (192.255. All rights reserved. 6. This document is Cisco Public Information. 2.0 no shutdown ! line con 0 exec-timeout 0 0 logging synchronous ! end Wireless Router Network Requirements While troubleshooting WRS2 and WRS3. Inc.1) must be successful.6. DHCP must not give out IP addresses in a range that includes the addresses for PC2 and PC3. The two wireless networks must not interfere with each other.3 255.18 switchport mode trunk switchport trunk native vlan 5 ! interface FastEthernet0/7 ! interface Vlan1 no ip address no ip route-cache ! interface Vlan5 ip address 6.6. Wireless Network Solution Record your solution below.5.