Sort by release date. | Alternative | Best for | Key command | |-------------|----------|--------------| | Cisco Modeling Labs (CML) | Enterprise lab | Uses same .bin internally | | EVE-NG Community | Free lab | Import i86bi_linux images | | GNS3 | Lightweight testing | Works with 15.2(4) .bin | | vIOS L2 | VMware-based L2 switch | vios_l2-adventerprisek9-m-15.2-20170322.qcow2 | | Open vSwitch (OVS) | Production Linux bridging | ovs-vsctl add-br | | FRRouting (FRR) | Routing, some L2 | vtysh – Cisco-like CLI | Step 3: Benchmark “best” for your hardware Run this inside the IOS-on-Linux image after boot:
152 → Likely IOS version 15.2.
✅ Raw .bin copied to /opt/unetlab/addons/iol/bin/ i86bilinuxl2adventerprisek9152dbin best
bin → Binary file.