Advanced Enterprise Services (includes advanced L2 features like Private VLANs, QinQ, advanced STP, etc.).
152 → Likely IOS version 15.2.
: Many users report it as a reliable "workhorse" image for CCNA, CCNP, and CCIE labbing, handling complex scenarios where other images might crash. i86bilinuxl2adventerprisek9152dbin best
cd /opt/unetlab/addons/qemu/iosvl2-152-4/ chmod 755 i86bilinuxl2adventerprisek9_152-4.bin /opt/unetlab/wrappers/unl_wrapper -a fixpermissions
This seemingly random string is actually a code that describes exactly what the file is. Here is what it means in plain English: adventerprisek9 → Classic Cisco IOS feature set: with
The file name i86bi-linux-l2-adventerprisek9-15.2d.bin is a, Cisco IOU (IOS on UNIX) L2 image . It is designed to run Cisco IOS switching code on top of a Linux kernel rather than needing physical ASIC hardware.
adventerprisek9 → Classic Cisco IOS feature set: with crypto (k9 indicates encryption support). and CCIE labbing
Once you have the image up and running, keep these tips in mind.
The specific software release version (Cisco IOS 15.2).
While light, too many IOU images can still exhaust resources. Conclusion
To get this image running in GNS3 or EVE-NG: