An IOU instance typically uses significantly less RAM than a vIOS image from Cisco Modeling Labs (CML).
Understanding the filename tells you exactly what you are getting: An IOU instance typically uses significantly less RAM
i86bi-linux-l3-adventerprisek9-ms.155-2.T.bin is a Cisco IOS on UNIX (IOU) image used for network simulation in environments like Regarding your specific query: Download and Compatibility Availability An IOU instance typically uses significantly less RAM
To use this binary file, you need a network emulator that can orchestrate and connect these virtual nodes. The two most prominent platforms are: An IOU instance typically uses significantly less RAM