I86bi-linux-l2-adventerprisek9-15.2d.bin !full!
The .bin file is uploaded to a specific directory (e.g., /opt/unetlab/addons/iol/bin/ on EVE-NG).
This is a for the IOS on Linux (IOL) platform. It emulates a Cisco switch/router running a Linux-based IOS image, specifically designed for Layer 2 switching with some Layer 3 capabilities. i86bi-linux-l2-adventerprisek9-15.2d.bin
The filename follows the standard Cisco IOS naming convention: i86bi-linux-l2-adventerprisek9-15.2d.bin