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Cisco-IOU-L2-L3-Collection-v2 7z {sp}Cisco-IOU-L2-L3-Collection-


Cisco-IOU-L2-L3-Collection-v2 7z Cisco-IOU-L2-L3-Collection




Cisco IOU (IOS on UNIX) is a program that allows you to run Cisco IOS images on a Linux or UNIX platform. It is mainly used for network simulation and testing purposes. Cisco IOU supports both Layer 2 and Layer 3 functionalities, which means you can emulate switches and routers with it.


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Cisco-IOU-L2-L3-Collection-v2 7z is a compressed file that contains a collection of Cisco IOU images for Layer 2 and Layer 3 devices. You can use this file to import the images into a network emulator program such as GNS3 or EVE-NG. This way, you can create and practice various network scenarios using Cisco devices.


In this article, we will show you how to download, extract, and use the Cisco-IOU-L2-L3-Collection-v2 7z file. We will also provide some examples of network topologies that you can create with the Cisco IOU images.


How to Download and Extract the Cisco-IOU-L2-L3-Collection-v2 7z File




The Cisco-IOU-L2-L3-Collection-v2 7z file is not officially distributed by Cisco, so you will have to search for it on the Internet. One possible source is the Internet Archive, where you can find a free download link for the file. However, please note that downloading and using the Cisco IOU images may violate the Cisco terms of service, so proceed at your own risk.


Once you have downloaded the Cisco-IOU-L2-L3-Collection-v2 7z file, you will need a program that can extract 7z files, such as 7-Zip or WinRAR. After installing the program, right-click on the file and select "Extract Here" or "Extract to Cisco-IOU-L2-L3-Collection-v2" depending on your preference. You should see a folder named "Cisco-IOU-L2-L3-Collection-v2" containing several subfolders with different IOU images.


How to Use the Cisco IOU Images in GNS3




GNS3 is a popular network emulator program that allows you to create virtual networks with various devices, such as routers, switches, firewalls, servers, and more. You can use GNS3 to practice your networking skills, prepare for certification exams, or test new configurations before deploying them in real networks.


To use the Cisco IOU images in GNS3, you will need to install the GNS3 VM, which is a virtual machine that runs on VMware Workstation or VirtualBox. The GNS3 VM provides a platform for running the IOU images and connecting them with other devices in GNS3. You will also need to install the GNS3 GUI, which is the graphical user interface that allows you to design and manage your virtual networks.


After installing the GNS3 VM and GUI, follow these steps to import the Cisco IOU images:



  • Open the GNS3 GUI and create a new project.



  • Go to File > Import Appliance and browse for the Cisco IOU L2.gns3a or Cisco IOU L3.gns3a file in the "Cisco-IOU-L2-L3-Collection-v2" folder. These files are appliance templates that contain the information and settings for importing the IOU images.



  • Follow the wizard instructions to import the appliance. You will need to select the GNS3 VM as the server type, browse for the corresponding IOU image file in the "Cisco-IOU-L2-L3-Collection-v2" folder, and accept the license agreement.



  • Repeat steps 2 and 3 for each IOU image that you want to import.



  • After importing all the IOU images, you should see them in the Devices toolbar under Switches or Routers categories. You can drag and drop them into the workspace and connect them with other devices to create your network topology.




Examples of Network Topologies with Cisco IOU Images




Here are some examples of network topologies that you can create with the Cisco IOU images in GNS3:



  • A basic LAN topology with two IOU L2 switches and two PCs. You can configure VLANs, trunking, and inter-VLAN routing on the switches.



  • A WAN topology with two IOU L3 routers and two PCs. You can configure routing protocols, such as OSPF, EIGRP, or BGP, on the routers and test the connectivity between the PCs.



  • A hybrid topology with one IOU L2 switch, one IOU L3 router, and two PCs. You can configure the switch as a layer 3 device and use it as a gateway for the PCs. You can also configure the router as a VPN server and connect it to another network via the Internet.




Conclusion




Cisco-IOU-L2-L3-Collection-v2 7z is a file that contains a collection of Cisco IOU images for Layer 2 and Layer 3 devices. You can use this file to import the images into a network emulator program such as GNS3 and create various network scenarios with Cisco devices. However, please be aware that downloading and using the Cisco IOU images may violate the Cisco terms of service, so use them at your own risk.


We hope this article has been helpful for you. If you have any questions or feedback, please feel free to leave a comment below.


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