I86bi-linux-l2-adventerprisek9-15.2d.bin [portable]

To understand what this image is, we need to parse its name piece by piece:

Although limited to L2, version 15.2d includes support for basic and LISP control plane elements, making it useful for prototyping Cisco's Software-Defined Access (SDA) underlay.

Cisco IOL/IOU images require a license validation file named iourc to execute. This text file maps the hostname of your Linux machine and a specific MD3/MD5 hash value generated for that environment. A standard format for the iourc file looks like this: [license] your-hostname = xxxxxxxxxxxxxxxx; Use code with caution. i86bi-linux-l2-adventerprisek9-15.2d.bin

: Interfaces may default to half-duplex even when hardcoded. L2 Frame Tagging

Mastering Cisco Simulation: A Deep Dive into i86bi-linux-l2-adventerprisek9-15.2d.bin To understand what this image is, we need

For network access control. Port Security: Limiting MAC addresses on switch ports.

CML images are likely the easiest way to get going. You can pay for CML Personal for $200 and download the images from there. EtherChannel over 802.1Q Tunneling - Lessons Discussion A standard format for the iourc file looks

If you get invalid memory access or a kernel panic, reduce the RAM to 192 MB or increase the bigphysarea to 20000 .