Give it a name and browse to path of your i86bi-linux-l2-adventerprisek9-15.2d.bin file. Select the type as .
Support can be flaky or entirely unsupported depending on the exact topology.
DHCP Snooping, Dynamic ARP Inspection (DAI), and IP Source Guard. i86bi-linux-l2-adventerprisek9-15.2d.bin
: The image will fail to boot with an "IOU License Error" if the host machine does not have a correctly configured iourc file mapped to the system's hostname.
: Because it is an IOL image, it consumes significantly less CPU and RAM compared to QEMU-based images, allowing users to run complex topologies with dozens of switches on standard consumer hardware. Implementation and Setup Give it a name and browse to path
: On modern 64-bit systems, users may need to install 32-bit compatibility libraries (like libssl or libcrypto ) for the older image binary to execute. Comparison with Other Cisco Images Cisco IOL (this image) Cisco IOSv (VIRL/CML) Virtualization Runs as a Linux process Runs as a full QEMU VM Performance Extremely low overhead Higher CPU/RAM usage Ease of Use Requires iourc license Built-in licensing (CML) Feature Set Comprehensive L2 features Full feature set, more stable Support | GNS3
Support for 802.1Q trunking and VLAN Trunking Protocol (VTP) versions 1, 2, and 3. DHCP Snooping, Dynamic ARP Inspection (DAI), and IP
The file name i86bi-linux-l2-adventerprisek9-15.2d.bin is a descriptor of a specific Cisco software image:
💻 : To get an IOL image to boot properly on platforms like GNS3 or EVE-NG, you generally need to generate an IOU license key file (typically named iourc ). Without this validated license key, the image will throw a license error and fail to execute.