I86bi-linux-l3-adventerprisek9-15.4.2t.bin

qemu-system-x86_64 ... -drive file=config.txt,if=virtio

⚠️ This image does NOT support switching features (no VLAN, STP, EtherChannel). Use an IOSvL2 image for switching. i86bi-linux-l3-adventerprisek9-15.4.2t.bin

Specifically designated for Layer 3 (Routing) functionality, as opposed to L2 images used for switching. Why Network Engineers Use This Image qemu-system-x86_64

– Ensure i86bi-linux-l3-adventerprisek9-15.4.2t.bin is in your QEMU images directory (e.g., ~/GNS3/images/QEMU/ ). qemu-system-x86_64 ... -drive file=config.txt

image is a powerhouse in this ecosystem for several reasons: Extreme Efficiency