The was once the gold standard for virtualizing network policy and visibility within VMware vSphere and Microsoft Hyper-V environments. However, following Cisco’s announcement to retire the product, obtaining a download and maintaining these switches has become a critical task for legacy infrastructure management. Critical Status Update: End-of-Life (EOL)
: Official software images, such as NX-OS Release 4.2(1)SV1(5.2b), were traditionally hosted on the Cisco Software Download Portal . Access generally requires a valid Cisco.com account and, in many cases, an active service contract.
Among these, the is the direct spiritual successor. It is a virtual NX-OS appliance that you can download freely from Cisco Software Central (no contract required for the virtual version) and runs in KVM, VMware, or VirtualBox. However, unlike the 1000v, it does not integrate with vCenter as a distributed switch. Cisco Nexus 1000v Download
Even if you find the download, ask yourself why you want it.
Historically, the Nexus 1000V required a paid license (Essential Edition). However, Cisco eventually released a (often free) which allowed for standard switching features without advanced capabilities like VXLAN or advanced security features. The was once the gold standard for virtualizing
Note: Do not download early versions (e.g., 4.x) unless your lab specifically requires them, as they lack critical vSphere 6.x support.
: Sites like GNS3 Marketplace and Firewall.cx provide community-maintained appliances and datasheets for educational purposes, though these are not recommended for production use. Critical Milestones You Should Know The retirement of the Nexus 1000V followed a phased approach across different platforms: vSphere Support : Official support ended on July 31, 2024. Access generally requires a valid Cisco
Despite being a legacy product, several scenarios still drive demand for the Nexus 1000v:
| File Name Pattern | Description | Mandatory? | | :--- | :--- | :--- | | nexus-1000v-vsm-build-XXX.zip | Virtual Supervisor Module (VSM) OVA | Yes | | cisco-nexus-1000v-esxi-XXX.zip | VEM (Virtual Ethernet Module) vib files | Yes | | N1KV-EVAL-license.lic | 120-day evaluation license | No (but highly recommended) | | Cisco_nexus1000v_documentation.zip | Config guides and release notes | No |
Navigate to software.cisco.com . Enter your CCO credentials.
To download the software bits, follow this path on the Cisco website : Navigate to > Products > Switches .
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