Nxosv9k-7.0.3.i7.4.qcow2 May 2026

Deep Dive into NX-OSv 9000: Understanding the nxosv9k-7.0.3.i7.4.qcow2 Image

• nxosv9k-7.0.3.i7.4.qcow2 is a Cisco Nexus 9000v (NX-OSv 9k) virtual appliance image (QCOW2) that runs NX-OS software in a virtualized environment for lab, testing, and development. It provides NX-OS features similar to Nexus 9000 platforms in NX-OS mode (data center switching, BGP/EVPN, VXLAN, OSPF, MLAG, QoS basics, etc.), but with scale and hardware limitations compared to physical switches.

• Architecture: This is a 32-bit/64-bit hybrid OS (depending on the specific build, N9Kv often runs 64-bit). It is not the newer "Host OS" architecture found in later releases (which separates the host kernel from the containerized OS).
• Security Vulnerabilities: As a mature release (7.0.3.I7), it addresses many vulnerabilities found in earlier 7.0 releases. However, users should consult Cisco Security Advisories for the latest CVEs, as this train is approaching End-of-Support status.
• CPU Steal Time: In cloud environments, NX-OS is sensitive to CPU steal time or over-commitment. The switch will generate syslog errors if the hypervisor does not allocate sufficient CPU cycles.