: Supports essential switching protocols including Spanning Tree Protocol (STP), EtherChannel, VTP, and Dot1q trunking.
🏆 : Candidates studying for the Cisco CCNA, CCNP, or CCIE rely heavily on these images to practice complex topographies. i86bi-linux-l2-adventerprisek9-15.2d.bin
Instead, this image was specifically built for . It is the go-to image for: It is the go-to image for: If you
If you find you cannot run certain commands, ensure you aren't accidentally using an "L3" (Layer 3) image for switching tasks. The "L2" in the filename is critical for switching functionality. You upload the
These are the most common environments. You upload the .bin file to the /opt/unetlab/addons/iol/bin/ directory.
| Image | Type | Best for | |-------|------|-----------| | i86bi-linux-l2-adventerprisek9-15.2d.bin | L2 Switch | Switching labs, VLANs, STP | | i86bi-linux-l3-adventerprisek9-15.5.bin | L3 Router | Routing labs, OSPF, EIGRP | | vios_l2-adventerprisek9-m-15.2.bin | vIOS L2 | Newer, GNS3/EVE-NG preferred | | c3725-adventerprisek9-mz.124-25d.bin | Dynamips (older router) | Legacy labs |