"Looking to run IOS XE 15.7(3)M3 in a lab? Use the vios-adventerprisek9-m.vmdk.spa.157-3.m3 image on VMware/ESXi or convert for EVE-NG/GNS3. Make sure you download from Cisco’s official site under a valid support contract, verify the checksum, and match the image to your emulator. If you hit boot or licensing issues, check virtual hardware compatibility and license activation steps."
If you are a student without a Cisco contract, consider using Cisco DevNet’s free sandboxes or ask your training center for temporary lab access. vios-adventerprisek9-m.vmdk.spa.157-3.m3 download
: The file usually needs to be converted or renamed to fit the EVE-NG naming convention (e.g., virtioa.qcow2 ) and placed in the correct directory. Important Note: "Looking to run IOS XE 15