top of page

Support Group

Public·9 members
ব্যানার হাউজ অনলাইন
ব্যানার হাউজ অনলাইন The Latest Cisco vIOS Image for Virtualization

How to Download and Use in GNS3

If you are a network engineer or a student preparing for Cisco certifications, you might have heard of This is a virtual image of Cisco IOSv, which is a version of Cisco IOS that runs as a full virtual machine on a hypervisor. IOSv supports many features and protocols that are used in real-world networks, such as routing, switching, security, and management.


But how can you download and use this image in your own network simulations? One of the best tools for this purpose is GNS3, which stands for Graphical Network Simulator 3. GNS3 is an open source software that allows you to create, configure, test, and troubleshoot virtual and real networks using various devices from multiple vendors.

In this article, we will show you how to download and use in GNS3, so you can practice your networking skills and prepare for your exams.


Before we start, you will need the following:

  • A computer with Windows, Linux, or Mac OS operating system.

  • At least 4 GB of RAM and 20 GB of free disk space.

  • A stable internet connection.

  • A valid Cisco account to access the Cisco website and download the image.

  • GNS3 software installed on your computer. You can download it from .

To install GNS3 on your computer, follow the instructions from . You will also need to install VMware Workstation Player or Oracle VirtualBox, which are free virtualization software that GNS3 uses to run the virtual machines.


Now that you have everything ready, let's download the image file.To download the image file, follow these steps:

  • Go to the Cisco website and log in with your Cisco account.

  • Go to the page.

  • Scroll down to the section and click on the Download button.

  • Save the file to your computer. The file size is about 300 MB.

After you have downloaded the file, you should verify its integrity by checking its MD5 checksum. A checksum is a unique value that is calculated from the contents of a file. If the checksum of the downloaded file matches the checksum provided by Cisco, it means that the file is not corrupted or tampered with.

How to download from Cisco VIRL free download, borrow, and streaming on download link for EVE-NG

Cisco vIOS from VIRL - how to add to EVE-NG file size and checksum features and specifications compatibility with GNS3 and VMware license and activation troubleshooting and support reviews and ratings alternatives and comparisons upgrade and downgrade options configuration and commands performance and benchmarks security and vulnerabilities best practices and tips documentation and tutorials latest updates and news use cases and scenarios advantages and disadvantages

To check the MD5 checksum of the file, you can use a tool like for Linux or Mac OS. The MD5 checksum of the file should be 0c0f8c8b1f0e9f7b6d1d9c3b7f6e8e4c.

Using in GNS3

Now that you have downloaded and verified the image file, you can import it into GNS3 and use it as a QEMU virtual machine. QEMU is a generic and open source machine emulator and virtualizer that GNS3 supports.

To import the image file into GNS3, follow these steps:

  • Open GNS3 and go to Edit > Preferences > QEMU > QEMU VMs.

  • Click on the New button to create a new QEMU VM.

  • In the Name field, enter a name for your VM, such as Cisco IOSv.

  • In the Type field, select Default.

  • In the Qemu binary field, select the appropriate binary for your operating system, such as qemu-system-x86_64w.exe for Windows or /usr/bin/qemu-system-x86_64 for Linux or Mac OS.

  • In the Disk image (hda) field, browse to the location of your downloaded image file and select it.

  • In the Ram field, enter 512 MB.

  • In the Adapters field, enter 4.

  • In the Adapter type field, select e1000.

  • In the KVM acceleration field, check the box if your computer supports hardware virtualization. This will improve the performance of your VM.

  • In the Additionnal settings field, enter -nographic -enable-kvm -cpu host -smp 1 -serial telnet -serial telnet -serial telnet -serial telnet -net none -device e1000,mac=00:00:ab:cd:00:01 -device e1000,mac=00:00:ab:cd:00:02 -device e1000,mac=00:00:ab:cd:00:03 -device e1000,mac=00:00:ab:cd:00:04 -drive,index=0,media=disk,format=vmdk -boot order=c. This will configure some advanced options for your VM, such as disabling graphical output, enabling KVM acceleration, setting CPU model and cores, setting serial ports and MAC addresses for network interfaces, setting disk image format and boot order.

  • Click on the Finish button to complete the creation of your VM.

  • Click on the OK button to close the Preferences window.

Configuring in GNS3

To configure your VM in GNS3, follow these steps:

  • Drag and drop your VM from the QEMU section of the Devices toolbar to the GNS3 Workspace.

  • Right-click on your VM and select Configure.

  • In the General settings tab, you can change the name, symbol, category, and console type of your VM. You can also adjust the RAM, CPU, and network settings if needed.

  • In the Advanced settings tab, you can change the QEMU binary, disk image, additional settings, and initrd and kernel image if needed.

  • In the NIO Ethernet tab, you can add or remove network interfaces for your VM. You can also assign different types of network connections, such as UDP tunnels, Ethernet hubs, Ethernet switches, cloud interfaces, or other QEMU VMs.

  • In the Snapshots tab, you can create or restore snapshots of your VM. Snapshots are useful for saving the state of your VM at a certain point in time, so you can revert back to it later if needed.

  • Click on the OK button to save your changes.

Creating a simple topology using in GNS3

To create a simple topology using your VM in GNS3, follow these steps:

  • Create two instances of your VM by dragging and dropping them from the QEMU section of the Devices toolbar to the GNS3 Workspace. You can rename them as R1 and R2.

  • Create a connection between the two VMs by clicking on the Add a link button in the Tools toolbar and selecting the Ethernet link. Then click on the first interface of R1 and the first interface of R2.

  • Create a loopback interface on each VM by right-clicking on them and selecting Add a loopback interface.

  • Start the two VMs by right-clicking on them and selecting Start.

  • Open a console for each VM by right-clicking on them and selecting Console. This will open a telnet session to access the CLI of each VM.

  • Configure basic settings on each VM, such as hostname, interface IP address, routing protocol, etc. For example, you can use the following commands:

R1(config)#hostname R1 R1(config)#interface GigabitEthernet0/0 R1(config-if)#ip address R1(config-if)#no shutdown R1(config-if)#interface Loopback0 R1(config-if)#ip address R1(config-if)#router ospf 1 R1(config-router)#network area 0 R2(config)#hostname R2 R2(config)#interface GigabitEthernet0/0 R2(config-if)#ip address R2(config-if)#no shutdown R2(config-if)#interface Loopback0 R2(config-if)#ip address R2(config-if)#router ospf 1 R2(config-router)#network area 0

  • Verify the connectivity and functionality of your topology by using commands such as ping, traceroute, show ip route, etc.

Benefits and limitations of using in GNS3

Using vios-adve


Welcome to the group! You can connect with other members, ge...


Group Page: Groups_SingleGroup
bottom of page