How to Download and Use vios_l2-adventerprisek9-m.03.2017.qcow2 in GNS3
If you are a network engineer or a student who wants to practice Cisco IOS networking in a realistic environment, you might have heard of GNS3, a powerful network simulator that allows you to create virtual networks with various devices and vendors.
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One of the devices that you can use in GNS3 is the Cisco Virtual IOS L2 Switch (viosl2), which is a virtual switch that runs Cisco IOS software and supports most of the L2 features that you would find on a physical switch.
In this article, you will learn how to download and use one of the latest versions of viosl2, which is vios_l2-adventerprisek9-m.03.2017.qcow2, in GNS3.
What is vios_l2-adventerprisek9-m.03.2017.qcow2?
vios_l2-adventerprisek9-m.03.2017.qcow2 is a disk image file that contains the Cisco Virtual IOS L2 Switch software version 15.2(4)E8 with advanced enterprise features enabled.
The file format is qcow2, which stands for QEMU Copy-On-Write version 2, a disk image format used by QEMU, an open-source machine emulator and virtualizer.
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The qcow2 format has some advantages over raw disk images, such as compression, encryption, snapshots, and dynamic allocation of storage space.
What is GNS3 and why use it?
GNS3 is an open-source network simulator that allows you to design, configure, test, and troubleshoot virtual and real networks using various devices from multiple vendors.
GNS3 supports many types of devices, such as routers, switches, firewalls, servers, containers, and more.
GNS3 can help you prepare for certification exams, such as the Cisco CCNA or CCNP, as well as learn new skills and technologies in a realistic environment.
What are the benefits of downloading vios_l2-adventerprisek9-m.03.2017.qcow2?
By downloading vios_l2-adventerprisek9-m.03.2017.qcow2, you can enjoy the following benefits:
You can run a virtual switch that supports most of the L2 features that you would find on a physical Cisco switch, such as The folder name viosl2-15.2-4E8 indicates the virtual machine name and the software version. You can choose a different name if you want, but make sure it is descriptive and consistent.
The file name virtioa.qcow2 indicates the disk image file for the first hard disk of the virtual machine. You can choose a different name if you want, but make sure it ends with .qcow2 and matches the virtual machine settings in GNS3.
To create the folder structure and rename the file, you can use a file manager such as Windows Explorer or Finder, or a command line tool such as cmd or Terminal.
For example, on Windows, you can use the following commands in a cmd window:
mkdir C:\GNS3\images\QEMU\viosl2-15.2-4E8 move C:\Downloads\vios_l2-adventerprisek9-m.03.2017.qcow2 C:\GNS3\images\QEMU\viosl2-15.2-4E8\virtioa.qcow2
On Mac OS, you can use the following commands in a Terminal window:
mkdir -p /GNS3/images/QEMU/viosl2-15.2-4E8 mv /Downloads/vios_l2-adventerprisek9-m.03.2017.qcow2 /GNS3/images/QEMU/viosl2-15.2-4E8/virtioa.qcow2
How to add the virtual machine to GNS3
To add the virtual machine to GNS3, you need to follow these steps:
Open GNS3 and click on Edit > Preferences.
Select QEMU > QEMU VMs from the left pane and click on New.
Select "New QEMU VM template" and click Next.
Enter a name for the virtual machine, such as "vIOSL2 15.2(4)E8", and click Next.
Select "Run this QEMU VM on my local computer" and click Next.
Select "Default" as the QEMU binary and click Next.
Browse to the disk image file that you renamed earlier, such as "C:\GNS3\images\QEMU\viosl2-15.2-4E8\virtioa.qcow2", and click Next.
Select "Legacy (PC)" as the QEMU guest type and click Next.
Enter 512 as the RAM value and click Next.
Select "vnc" as the console type and click Next.
Select "e1000" as the adapter type and enter 16 as the number of adapters and click Next.
Click Finish to complete the wizard.
How to configure the virtual machine settings and network interfaces
To configure the virtual machine settings and network interfaces, you need to follow these steps:
Select the virtual machine that you added earlier from the QEMU VMs list and click on Edit.
Select "Advanced settings" from the left pane and check the following options:
Use as a linked base VM
Allow GNS3 to use any configured QEMU network adapter
Click OK to save the changes.
Drag and drop the virtual machine from the Devices toolbar to the Workspace area.
Right-click on the virtual machine and select "Configure".
Select "Network" from the left pane and assign a name for each network interface, such as "Gi0/0", "Gi0/1", etc.
Click OK to save the changes.
Connect the network interfaces of the virtual machine to other devices in your GNS3 project using cables from the Cables toolbar.
Conclusion
In this article, you learned how to download and use vios_l2-adventerprisek9-m.03.2017.qcow2 in GNS3.
You learned what vios_l2-adventerprisek9-m.03.2017.qcow2 is, what GNS3 is, and what are the benefits of using them together.
You also learned how to find, verify, extract, add, configure, and connect vios_l2-adventerprisek9-m.03.2017.qcow2 in GNS3.
By following these steps, you can create a virtual network lab with Cisco IOS switches and other devices in GNS3.
If you want to learn more about vios_l2-adventerprisek9-m.03.2017.qcow2 and GNS3, you can check out the following resources and tutorials:
- The official documentation of GNS3, where you can find guides, tips, and troubleshooting information.
- A website that offers free labs and scenarios for GNS3 users, covering various topics and technologies.
- A YouTube channel that provides video tutorials and demonstrations of GNS3 features and labs.
- A forum where you can ask questions and share your experiences with GNS3 and Cisco IOS devices.
FAQs
What is the difference between vios and viosl2 images?
vios images are virtual routers that run Cisco IOS software and support most of the L3 features that you would find on a physical router, such as routing protocols, access lists, NAT, VPN, and more.
viosl2 images are virtual switches that run Cisco IOS software and support most of the L2 features that you would find on a physical switch, such as VLANs, trunking, spanning tree, etherchannel, port security, and more.
What are the system requirements for running vios_l2-adventerprisek9-m.03.2017.qcow2 in GNS3?
The system requirements for running vios_l2-adventerprisek9-m.03.2017.qcow2 in GNS3 depend on the number and complexity of the devices and networks that you create in your project.
However, as a general guideline, you should have at least:
A 64-bit operating system (Windows, Linux, or Mac OS)
A dual-core processor with at least 2 GHz speed
At least 4 GB of RAM (8 GB or more recommended)
At least 10 GB of free disk space (SSD recommended)
A good internet connection for downloading files and updates
How can I update the vios_l2-adventerprisek9-m.03.2017.qcow2 image?
To update the vios_l2-adventerprisek9-m.03.2017.qcow2 image, you need to download a newer version of the image from an online source and replace the old image file with the new one in your GNS3 folder structure.
You also need to update the virtual machine settings in GNS3 to reflect the changes in the image file name and version.
Alternatively, you can use the Cisco Smart Licensing feature to register your viosl2 image with Cisco and receive software updates directly from Cisco.
How can I troubleshoot common issues with vios_l2-adventerprisek9-m.03.2017.qcow2 in GNS3?
Some of the common issues that you may encounter with vios_l2-adventerprisek9-m.03.2017.qcow2 in GNS3 are:
The virtual machine does not boot or crashes during boot.
The virtual machine does not respond to commands or shows errors or warnings.
The virtual machine does not connect or communicate with other devices in the network.
The virtual machine does not support some features or commands that are expected from a physical switch.
To troubleshoot these issues, you can try the following steps:
Check the virtual machine settings in GNS3 and make sure they match the image file name, version, RAM value, adapter type, number of adapters, console type, etc.
Check the network interface settings in GNS3 and make sure they match the interface names, types, speeds, duplex modes, etc. on the virtual switch.
Check the disk image file integrity and make sure it has not been corrupted or modified during download or extraction.
Check the GNS3 logs and console output for any errors or warnings related to the virtual switch or QEMU.
Check the Cisco IOS configuration and show commands on the virtual switch for any errors or warnings related to the software or hardware status.Search online for solutions or tips from other GNS3 users who have faced similar issues with vios_l2-adventerprisek9-m.03.2017.qcow2 or other viosl2 images.
Where can I find more resources and tutorials on vios_l2-adventerprisek9-m.03.2017.qcow2 and GNS3?
There are many resources and tutorials available online that can help you learn more about vios_l2-adventerprisek9-m.03.2017.qcow2 and GNS3, such as:
- The official documentation of the Cisco viosl2 appliance in GNS3, where you can find installation instructions, configuration examples, and troubleshooting tips.
- A video tutorial by David Bombal that shows how to download, install, and use vios_l2-adventerprisek9-m.03.2017.qcow2 in GNS3.
- A blog post by Harris Andrea that explains how to configure layer 2 and layer 3 interfaces on Cisco IOS switches using GNS3.
- A Reddit thread where GNS3 users share their experiences and questions about viosl2 switching.
I hope you found this article helpful and informative. If you have any feedback or suggestions, please let me know in the comments section below. Thank you for reading and happy networking! 44f88ac181