extension is a QEMU copy-on-write format used by hypervisors to efficiently manage virtual disks. How to Obtain the Image
This long-form article covers everything you need to know: what this image is, how it’s officially obtained, step‑by‑step deployment for different platforms, the three boot modes it supports, hardware requirements, known limitations, and troubleshooting.
| Boot Mode | EVE‑NG folder name | vCPU | vRAM | Ports | ASIC Emulated | |-----------|--------------------|------|------|-------|----------------| | | cat9kv-17.12.01-prd9 | 4 | 18432 MB | 9 (8×data + mgmt) | UADP | | Silicon 1 Q200 | cat9kvq200-17.12.01-prd9 | 4 | 12288 MB | 25 (24×data + mgmt) | Silicon One Q200 | | UADP (full) | cat9kvuadp-17.12.01-prd9 | 4 | 18432 MB | 25 (24×data + mgmt) | UADP |
| Boot Mode | Folder Name | vRAM | Number of Ports | |-----------|-------------|------|-----------------| | Regular UDAP | cat9kv-17.12.01-prd9 | 18 GB | 9 (8+1) | | Silicon 1 Q200 | cat9kvq200-17.12.01-prd9 | 12 GB | 25 (24+1) | | UADP | cat9kvuadp-17.12.01-prd9 | 18 GB | 25 (24+1) |
: Full spanning-tree protocols (RSTP, MSTP), EtherChannels, and routing protocols (OSPFv3, EIGRP, BGP). download cat9kv-prd-17.12.01prd9.qcow2
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The primary advantage of the 17.12.01 release is its alignment with modern software-defined networking (SDN) architectures. In a physical environment, testing a large-scale deployment of Catalyst 9000
Cat9K-Virtual(config)# line con 0 Cat9K-Virtual(config-line)# logging synchronous Cat9K-Virtual(config-line)# exit Use code with caution. Troubleshooting Common Issues
Double‑check the permissions fix step ( /opt/unetlab/wrappers/unl_wrapper -a fixpermissions ). Also confirm that the file is named exactly virtioa.qcow2 and resides in the correct subdirectory under /opt/unetlab/addons/qemu/ [12†L18-L22]. extension is a QEMU copy-on-write format used by
conf t license boot level network-advantage addon dna-advantage end write memory reload ``` Use code with caution. Copied to clipboard
Source: Cisco DevNet docs
To use the file in EVE-NG, you must format the directory name precisely so the hypervisor recognizes the template.
Connect to your EVE-NG server via SSH or an SFTP client (like WinSCP). Create a properly named directory in the QEMU path: mkdir -p /opt/unetlab/addons/qemu/cat9kv-17.12.01prd9 Use code with caution. This public link is valid for 7 days
The Catalyst 9000v is a feature-rich image that simulates advanced ASIC capabilities in software. Because it runs full enterprise switching code, it requires significant RAM and CPU resources compared to older routers.
Create a folder in /opt/unetlab/addons/qemu/ starting with the prefix cat9kv- . For example: mkdir /opt/unetlab/addons/qemu/cat9kv-17.12.01-prd9 .
virtual machine image running . This 2.7 GB QCOW2 (QEMU Copy-on-Write) file allows network engineers, architects, and CCNA/CCNP/CCIE candidates to simulate advanced Layer 2 and Layer 3 features of a physical Cisco Catalyst 9000 switch Go to product viewer dialog for this item. inside virtual environments.
Each node requires . Memory oversubscription can cause crashes on bootup or during operation.