While primarily a router image, it supports many L3 switching features often needed for CCNP or CCIE lab environments.
Because it runs as a native Linux process, you can launch dozens of instances of this image on a modest computer compared to only a few heavy QEMU-based images. How to Use the Image in Simulators
Use an SFTP client (like WinSCP) to upload the file to /opt/unetlab/addons/iol/bin/ . i86bi linuxl3-adventerprisek9-m2 157 3 may 2018.bin
Compiled on March 28, 2018, and officially released around May 2018. Software Version: 15.7(3)M2.
The binary file is a Cisco IOL (IOS on Linux) image used primarily for high-performance network simulation. Also referred to as IOU (IOS on Unix) , this specific image is a Layer 3 (L3) router build running Cisco IOS Software version 15.7(3)M2 . Overview of i86bi LinuxL3-AdvEnterpriseK9-M2 While primarily a router image, it supports many
You must have a valid iourc license file in the same directory for the image to boot. Cisco IOU L3 - GNS3
Network engineers and students frequently use this image in emulators like and EVE-NG because it is significantly more lightweight than traditional virtual machines (like vIOS). Compiled on March 28, 2018, and officially released
Support for EIGRP, OSPFv3, and BGP with advanced path selection.
Run the command /opt/unetlab/wrappers/unl_wrapper -a fixpermissions to ensure the file is executable.