I notice you're asking about downloading a Cisco IOS image (vios-adventerprisek9-m.spa.159-3.m2.qcow2).
- adventerprise: Indicates the "Advanced Enterprise" feature pack. This includes advanced IP services, routing protocols (OSPF, EIGRP, BGP), MPLS, VPN, and security features.
- k9: Denotes that the image includes strong cryptographic (encryption) features, such as SSH, IPsec, and SSL.
As Alex navigated through the Cisco website, searching for the elusive file, a sense of anticipation built up. The website was clunky, and the search function seemed designed to test one's patience. Finally, after what felt like an eternity, Alex found the link to the file.
Router# license boot level ax
Router# write memory
Router# reload
Step-by-Step Legal Download (For Contract Holders)
- Navigate to Cisco Software Central: Go to software.cisco.com and log in with your CCO credentials.
- Search for "IOSv": In the "Search Software" box, type IOSv (not IOSvL2, which is the layer 2 switch image).
- Select Version:
Click on the latest release. Because this image is
15.9-3.M2, look for IOSv 15.9(3)M2. - Find the QCOW2 variant:
Cisco distributes this image in two formats typically:
Step 3: Locate the Exact Image
- On the IOSv software page, look for a release of 15.9(3)M2.
- Expand the release folder.
- Find the file named exactly:
vios-adventerprisek9-m.spa.159-3.m2.qcow2
Cisco Modeling Labs (CML): A personal license (formerly VIRL) provides access to the "refplat" ISO, which contains these
.qcow2images.Low Overhead: Run dozens of nodes on a standard laptop without melting your CPU.
Wayne
