I86bi Linuxl3-adventerprisek9-m2 157 3 May 2018.bin

In CML/VIRL, licensing is handled via the smart agent.
In GNS3/EVE-NG, the image will boot without license but will print:

%IOS_LICENSE_IMAGE_APPLICATION_FAILURE: License application failed for feature...

✅ For lab use, you can ignore this – most routing features work. i86bi linuxl3-adventerprisek9-m2 157 3 may 2018.bin

| Attribute | Value | |-----------|-------| | Full Name | IOSv Layer 3 Advanced Enterprise K9 | | Version | 15.7(3)M2 | | Build Date | May 3, 2018 | | Architecture | i86bi (32-bit x86) | | Platform | Linux (userspace IOS on top of Linux kernel) | | Licensing | Requires RIGHT TO USE (RTU) or smart licensing for production; lab use typically unlicensed for basic L3 features | In CML/VIRL , licensing is handled via the smart agent

Cisco filenames are notoriously complex, but they actually contain everything you need to know about the image. Let’s break down i86bi_linuxl3-adventerprisek9-m2 piece by piece: ✅ For lab use, you can ignore this

  • m2: This often refers to the memory allocation or the specific packaging of the image for virtual environments, ensuring it has enough resources allocated to run the heavy enterprise features.
  • 157-3: This is the IOS version number (15.7(3)).
  • May 2018: This is the specific build date.

    • Do not download from unofficial sources – Cisco actively enforces licensing.

    chmod +x /opt/unetlab/addons/iol/bin/i86bi-linuxl3-adventerprisek9-m2.157-3.may.2018.bin
/opt/unetlab/wrappers/unl_wrapper -a fixpermissions