: Refers to the IOS XE version, specifically 17.12.1 (Dublin) .
can take several minutes to become fully operational after the initial boot. : This image is perfect for validating VXLAN BGP EVPN
For years, virtual networking labs were stuck with the aging IOSv-L2 images, which lacked the modern 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
If you need help setting up this image, let me know your (EVE-NG, GNS3, KVM, or CML), your available host hardware specs , and the specific network topology you want to build. Share public link
Edge-Router-01(config)# ip domain name enterprise.local Edge-Router-01(config)# crypto key generate rsa general-keys modulus 2048 Edge-Router-01(config)# username admin privilege 15 secret StrongPassword123! Edge-Router-01(config)# line vty 0 4 Edge-Router-01(config-line)# login local Edge-Router-01(config-line)# transport input ssh Edge-Router-01(config-line)# end Edge-Router-01# write memory Use code with caution. Troubleshooting Common Boot Issues cat9kv-prd-17.12.01prd9.qcow2
: Being an EMR, it supports Software Maintenance Upgrades (SMU) and In-Service Software Upgrades (ISSU).
For network architects building validation labs, installing this image inside EVE-NG requires precise directory naming conventions. to your EVE-NG CLI via SSH.
: The underlying virtual disk storage format. This format is natively supported by Linux KVM, QEMU, and popular network emulation platforms. Technical Specifications and Requirements
: In high-throughput environments, pin the virtual machine's vCPUs to specific physical cores on the hypervisor host. This eliminates context-switching latency across NUMA nodes. : Refers to the IOS XE version, specifically 17
: Rename the file to virtioa.qcow2 (or the required default name for your version) and run the fixpermissions wrapper: /opt/unetlab/wrappers/unl_wrapper -a fixpermissions . Deploying in GNS3
The .qcow2 format makes this image highly versatile across multiple environments: Network Simulation and Labs (EVENG, GNS3, CML)
: For streaming high-frequency telemetry data to modern monitoring stacks like Prometheus or InfluxDB. Deployment Scenarios
This technical guide breaks down the architecture, deployment strategies, and optimization techniques for this specific virtual infrastructure artifact. 1. Decoding the Image Filename The cat9kv-prd-17
To ensure stable booting and prevent continuous boot loops, the virtual machine must be provisioned with adequate host hardware resources. Minimum Requirement Recommended for Production Testing 2 to 4 vCPUs RAM Disk Space NIC Drivers VirtIO / E1000 VirtIO (for high throughput) Step-by-Step Installation Guide 1. Importing into EVE-NG or GNS3
Create the destination directory exactly as required by EVE-NG template guidelines: mkdir -p /opt/unetlab/addons/qemu/cat9kv-17.12.01-prd9/ Use code with caution.
: Introduces PROTO encoding for gNMI GET/SET operations and mappings from SNMP to YANG (including POE, LLDP, and Interfaces).
: Supports both traditional Autonomous mode (CLI-driven) and Controller mode (Cisco SD-WAN/vManage integration).