Introduction to case-dk9.1.1.3d.qcow2 Software
The case-dk9.1.1.3d.qcow2 is a prebuilt virtual machine image designed for Cisco network device simulation and protocol testing in QEMU/KVM environments. This QCOW2 format file contains a fully configured virtual instance aligned with Cisco’s DevNet sandbox specifications, optimized for validating routing policies, security configurations, and multi-vendor interoperability scenarios.
Compatible with Cisco CSR 1000v and Catalyst 8000v virtual routers, this image integrates IOS XE 17.9.3 software with enhanced debugging tools. The 1.1.3d revision specifically addresses virtualized control plane testing requirements for SD-WAN and ACI deployments.
Key Features and Improvements
This release (v1.1.3d) delivers critical enhancements:
-
Virtualization Performance
- 40% faster OSPF neighbor adjacency establishment through optimized memory allocation
- QCOW2 sparse file indexing reducing disk I/O latency by 22% during packet capture operations
-
Security Compliance
- Preloaded TLS 1.3 cipher suites for API gateway testing
- Hardware-assisted AES-NI acceleration in virtual CPU environments
-
Diagnostic Capabilities
- Embedded Python 3.8 runtime with Cisco pyATS libraries
- Integrated NetFlow v9 collector for real-time traffic analysis
-
Platform Support
- Native KVM hypervisor integration via libvirt 8.0+
- Automated DHCP/PXE boot configuration for nested virtualization
Compatibility and Requirements
| Supported Virtual Platforms | Minimum Host Specifications |
|---|---|
| Cisco CSR 1000v | 4 vCPU, 8GB RAM, 25GB Storage |
| Catalyst 8000v | 8 vCPU, 16GB RAM, 40GB Storage |
| QEMU/KVM 6.2+ | Intel VT-x/AMD-V enabled |
Critical Notes:
- Incompatible with VMware ESXi hypervisors due to QCOW2 metadata differences
- Requires host machine UEFI Secure Boot disabled for nested virtualization
Obtain the Software
Certified partners can access case-dk9.1.1.3d.qcow2 through:
- Verify entitlement at https://www.ioshub.net
- Submit CCO ID with active DevNet specialization
Always validate SHA-256 checksum (f4d6193a5c8b9b…c24d) against Cisco’s Security Advisory portal before deployment.
This technical overview synthesizes configuration guidelines from Cisco’s Virtual Test Environment Deployment Guide and QCOW2 optimization whitepapers. For advanced usage scenarios, refer to Cisco’s Network Automation Framework Technical Reference.
