Write-up: Downloading and Verifying "viosadventerprisek9-m" (IOS XE 15.9(3)M)

vios-adventerprisek9-m.spa.159-3.m6.qcow2 is a virtual Cisco IOS (vIOS) L3 router image used for network emulation in platforms like Verification & Useful Features

: Cisco provides official checksums for all software images. You can find these by hovering over the filename on the Cisco Software Download page On-Device Verification : Once the image is transferred, use the verify /md5

Platform

| Field | Details | |-------|---------| | | Cisco IOSv (Virtual IOS for VMware/QEMU) | | Image type | L2/L3 advanced enterprise K9 (crypto) | | Version | 15.9(3)M6 | | Format | QCOW2 (QEMU copy-on-write) | | Use with | CML, VIRL, EVE-NG, GNS3, PNETLab | | License required | Yes (Cisco CML Personal/Plus, or legacy VIRL) |

• Find the checksum provided on the Cisco download page.
• Use a tool on your computer (like md5 or sha256sum on Linux/MacOS) to calculate the checksum of your downloaded file.
• Compare the calculated checksum with the one provided by Cisco to ensure they match.

Linux/macOS:

md5sum viosadventerprisek9-ms.spa.159-3.M6.qcow2