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CCNA Routing Labs – Practice Labs for the 640-802 EXAM
Question
A new switch is being added to the River Campus LAN. You will work to complete this process by first configuring the building_2 switch with an IP address and default gateway. For the switch host address, you should use the last available IP address on the management subnet. In addition, the switch needs to be configured to be in the same VTP domain as the building_1 switch and also needs to be configured as a VTP client. Assume that the IP configuration and VTP configuration on building_1 are complete and correct.
The configuration of the router is not accessible for this exercise. You must accomplish the following tasks:
Determine and configure the IP host address of the new switch.
Determine and configure the default gateway of the new switch.
Determine and configure the correct VTP domain name for the new switch.
Configure the new switch as a VTP client.
Note: In the exam, you might be asked to use first, second… available IP address on the management subnet.
Answer and Explanation
If you are not sure about VTP, please read my VTP tutorial
The question states we can’t access the router so we can only get required information from switch building_1. Click on the PC connected with switch building_1 (through a console line) to access switch building_1′s CLI. On this switch use the show running-config command:
building_1#show running-config
Next use the show vtp status command to learn about the vtp domain on this switch
building_1#show vtp status
(Notice: the IP address, IP default-gateway and VTP domain name might be different!!!)
You should write down these 3 parameters carefully.
Configuring the new switch
+ Determine and configure the IP host address of the new switch
The question requires “for the switch host address, you should use the last available IP address on the management subnet”. The building_1 switch’s IP address, which is 192.168.22.50 255.255.255.224, belongs to the management subnet.
Increment: 32 (because 224 = 1110 0000)
Network address: 192.168.22.32
Broadcast address: 192.168.22.63
->The last available IP address on the management subnet is 192.168.22.62 and it hasn’t been used (notice that the IP address of Fa0/1 interface of the router is also the default gateway address 192.168.22.35).
Also notice that the management IP address of a switch should be configured in Vlan1 interface. After it is configured, we can connect to it via telnet or SSH to manage it.
Switch2#configure terminal
Switch2(config)#interface Vlan1
Switch2(config-if)#ip address 192.168.22.62 255.255.255.224
Switch2(config-if)#no shutdown
+ Determine and configure the default gateway of the new switch
The default gateway of this new switch is same as that of building_1 switch, which is 192.168.22.35
Switch2(config-if)#exit
Switch2(config)#ip default-gateway 192.168.22.35
+ Determine and configure the correct VTP domain name for the new switch
The VTP domain name shown on building_1 switch is 9tut so we have to use it in the new switch (notice: the VTP domain name will be different in the exam and it is case sensitive so be careful)
Switch2(config)# vtp domain 9tut
+ Configure the new switch as a VTP client
Switch2(config)#vtp mode client
We should check the new configuration with the “show running-config” & “show vtp status”; also try pinging from the new switch to the the default gateway to make sure it works well.
Finally save the configuration
Switch2(config)#exit
Switch2#copy running-config startup-config
You can download this sim and practice it with Packet tracer here.
If you are going to take a networking exam like CCNA, CCNP… it is better to practice with real routers. But when the budget is not big enough or you can only access to hardware in your school then router simulator softwares are the best things you can get for free. The followings are a number of free and popular router simulators you can download and practice with:
GNS3 – GNS3 is a graphical network simulator that allows simulation of complex networks. It is an excellent complementary tool to real labs for Cisco network engineers, administrators and people wanting to pass certifications such as CCNA, CCNP, CCIP or CCIE. This project is an open source, free program that may be used on multiple operating systems, including Windows, Linux, and MacOS X.
Screen shots:
Packet Tracer – Packet Tracer 5.0 is the latest version of Cisco Networking Academy’s comprehensive networking technology teaching and learning software. Innovative features of Packet Tracer 5.0, including powerful simulation, visualization, authoring, assessment, and collaboration capabilities, will help students and teachers collaborate, solve problems, and learn concepts in an engaging and dynamic social environment. Moreover, it’s totally free! You can download this software but you need to register first or you can find a mirror download with google (with keyword “download packet tracer”)
Screen shots:
SemSim – The free trial version (2.3MB) offers some CCNA exam router simulation labs & 20 flash cards
Screen shots:
Boson NetSim – Boson offers three certification-focused products, NetSim for CCENT 7.0, NetSim for CCNA 7.0 and NetSim for CCNP 7.0. The NetSim for CCNA 7.0 product contains CCNA-specific lab exercises that cover the skill set you will need to prepare for your CCNA exam. The demo version (21.58MB) is a good choice to get started.
Screen shots:
CertExams offers advanced network simulators including router / switch / terminal simulator. The simulators help in preparing for networking exams such as ccna or jncia. It would also be very helpful for those who want to get started with configuring Cisco or Juniper routers in a simulated environment. The demo version (6.95MB) is limited to:
- Six lab exercises
- Router simulator is limited to User EXEC, Previleged EXEC, and Global Configuration mode commands.
Screenshots:
RouterSim’s CCNA Network Visualizer – You can design, build and configure your own network. The demo version is 44.49MB. It is ideal for:
- Anyone studying for the Cisco® CCNA™ 640-802 exam
- Deployment over a LAN network
- Distance education and deployment on a Citrix server or Microsoft Terminal Services
- Corporate trainers and employees
- Students at colleges, universities, and technical institutes
Screen shots:
