Cat9kv-prd-17.12.01prd9.qcow2 ❲PREMIUM • 2026❳
| Role | How They Use cat9kv-prd-17.12.01prd9.qcow2 |
| :--- | :--- |
| CCIE Enterprise Candidates | Build a collapsed core/distribution/access layer with 5-10 virtual switches to test advanced routing (OSPF, BGP, IS-IS) and deterministic failover. |
| Network Automation Developers | Validate Python scripts using NETCONF. The prd9 build behaves identically to physical Cat9300s for configuration changes. |
| Pre-Sales Solution Architects | Create a proof-of-concept for a new SD-Access deployment, showcasing micro-segmentation to a client without shipping demo switches. |
| Software Test Engineers | Run negative test cases (link flaps, process restarts, watchdog reboots) to validate HA behavior. |
| Property | Details | |----------|---------| | Format | QEMU copy-on-write v2 | | Virtual size | Typically 8–16 GB (logical) | | Actual size | Smaller (sparse) – grows as used | | Compression | Optional, not typical for Cisco images | | Backing file support | Yes (for snapshots) | | Guest OS | Linux-based IOS XE | | Filesystem inside | Usually ext4 or squashfs + flash partitions |
Running this image (in KVM/libvirt):
qemu-system-x86_64 -machine pc -cpu host -m 8192 -smp 2 \
-drive file=cat9kv-prd-17.12.01prd9.qcow2,if=virtio \
-netdev user,id=net0 -device virtio-net-pci,netdev=net0 \
-nographic -serial mon:stdio
Or using virt-manager.
cat9kv-prd-17.12.01prd9.qcow2 is a production-ready, virtualized Cisco Catalyst 9000 switch running IOS XE version 17.12.1 with a specific patch level (prd9). It is widely used in network emulation platforms for testing, learning, and automation validation. Users should ensure they have legal access to Cisco images and adequate system resources before deployment.
This "review" focuses on the Cisco Catalyst 9000v (Cat9Kv) virtual switch image, specifically version 17.12.01prd9, which is a staple for network engineers building labs in Modeling Labs (CML), GNS3, or EVE-NG. The "New Frontier" of Lab Switching cat9kv-prd-17.12.01prd9.qcow2
For years, virtual networking labs were stuck with the aging IOSv-L2 images, which lacked the modern IOS-XE features found in real-world hardware. The cat9kv-prd-17.12.01prd9.qcow2 image is Cisco's answer to this, bringing the "Cat9k experience" to a virtual format. The Highlights
Modern Feature Set: Unlike its predecessors, this image supports newer features like Programmability (NETCONF/RESTCONF) and more advanced Layer 2/3 capabilities.
Stability: Version 17.12.01 (Dublin) is a "Long-Lived Release," meaning it's generally more stable and intended for longer-term use in production-like testing compared to short-lived "feature" releases.
The SD-Access Bridge: This image is a primary tool for those learning Cisco DNA Center (DNAC) and SD-Access, as it mimics the behavior of the widely deployed Catalyst 9300/9500 series. The Real-World "Gotchas"
The Resource Hog: This isn't your grandfather’s lightweight switch. It requires significant RAM (typically 8GB–16GB) and CPU power to boot. If you’re running a large topology, you’ll need a beefy server. | Role | How They Use cat9kv-prd-17
Boot Times: Expect to grab a coffee. These images can take several minutes to fully initialize.
"Beta" Nature: While powerful, users on forums like Reddit frequently note that it is technically distributed as a beta VM image and can crash if you push high traffic throughput.
Feature Licensing: To unlock advanced features like BGP, you often have to manually configure the license boot level (license boot level network-advantage) and reload the virtual node. Final Verdict
Rating: 4/5 Stars (for Lab Enthusiasts)If you are studying for the CCNP or CCIE Enterprise, this image is non-negotiable. It provides the closest possible experience to touching a physical $10,000 switch without the noise of fans or the power bill. Just make sure your host machine has the memory to handle it. Catalyst 9000v - - EVE-NG
Cause: Using a thin-provisioned QCOW2 on a nearly full hypervisor disk.
Fix: Ensure at least 20 GB free before first boot. Or using virt-manager
| Attribute | Details | |-----------|---------| | Product | Cisco Catalyst 9000v (virtual Catalyst switch) | | Version | 17.12.01 | | Build | prd9 | | Image type | QEMU/qcow2 | | Typical use | CML (Cisco Modeling Labs), EVE-NG, GNS3, PNETLab | | Virtual CPU | 1–4 vCPUs (varies by lab needs) | | Virtual RAM | 8–16 GB recommended (8 GB minimal for basic switching) | | Disk space | ~8–10 GB (image size) | | Layer | Switch with routing capabilities (L2/L3) |
# From your EVE-NG shell
cd /opt/unetlab/addons/qemu/cat9kv-17.12.01prd9/
| Feature | Official 17.12.1 | prd9 build |
|---------|------------------|--------------|
| Availability | Cisco.com (with contract) | Internal only |
| Support | TAC-supported | No support |
| Debug symbols | Stripped | May contain debug |
| Performance | Optimized | Possibly slower (logging) |
| Stability | High | Unknown – could crash |
| Encryption | Signed + secure | May lack production signatures |
If you want, I can provide a short VM definition file (libvirt XML) tuned for a Cat9kV image, a step-by-step virt-install command, or commands to convert and verify the QCOW2 file.
(Invoking related search suggestions...)