of the file before running it to ensure it hasn't been tampered with. Community discussions on Cisco Community often provide legitimate hashes for comparison. Cisco Community Usage Context GNS3/EVE-NG
Here are the key technical specifications for this image:
If you're a Cisco customer or partner looking to obtain this software, here are the appropriate steps:
: You must fix the permissions for the image to be executable and recognized by the hypervisor. Run the following command on the EVE CLI (usually via SSH as root ):
: Built for x86 architecture running on a Linux platform. i86bi-linuxl2-adventerprisek9-m-152-may-2018.bin download
Because IOU and IOL binaries are proprietary and copyrighted intellectual property owned by Cisco Systems, they are not legally available for public distribution on third-party websites, forums, or torrent repositories. Downloading them from unverified sources violates copyright law and can expose your network to compromised or malicious files.
"i86bi-linuxl2-adventerprisek9-m-152-may-2018.bin" is a Cisco IOS XE software image filename for certain Catalyst/ISR platforms (i86 = Intel x86, bi = boot image type, linuxl2 = Linux-based L2 image, adventerprisek9 = feature set, m = maintenance/mini or modular build, 15.2 = train, May 2018 = build month). It’s a vendor firmware/software binary — not malware — but you should obtain it only from Cisco or an authorized distributor and verify licensing before use.
You simply upload the .bin file to EVE-NG via an SCP or SFTP client (such as WinSCP) and place it in the designated IOL directory. EVE-NG provides official documentation on their platform for correctly naming and applying a license key (often generated via a Python script known as CiscoIOUKeygen ) to unlock the image's capabilities. 2. GNS3 (Graphical Network Simulator-3)
print(f"Downloaded: dest_path") return dest_path of the file before running it to ensure
Example config.yaml :
However, this is a 2018 development build pulled from , formerly known as VIRL. Many online discussions point to two legitimate paths to legally obtain this image:
Select , name your template, choose New Image , and browse to target the i86bi-linuxl2-adventerprisek9-m-152-may-2018.bin file. Define the device type as a New L2 IOU device .
(Advanced Enterprise Services), providing extensive Layer 2 and Layer 3 features. 15.2 (released around May 2018). Run the following command on the EVE CLI
Assuming you have obtained the image (legally, of course), the process of integrating it into (Emulated Virtual Environment - Next Generation) is well‑documented:
: IOL/IOU images typically require an authorization key file ( iourc ) to execute on Linux platforms. Third-party downloads rarely include legal license generation keys, leading to environment startup failures. How the Image is Used in Network Emulators
: Standard STP (802.1D), PVST+, Rapid-PVST+, and Multiple Spanning Tree (MST/802.1s).