Introduction to nxos64-cs-lite.10.4.1.F.bin Software
This firmware delivers Cisco NX-OS 10.4(1)F – a feature-optimized release for Nexus 9000 series switches operating in standalone mode. Designed for high-density 400G deployments, this build introduces hardware-accelerated VXLAN routing while maintaining backward compatibility with existing NX-OS 9.x configurations. Certified for enterprise data centers requiring FIPS 140-3 Level 2 compliance, it became generally available through Cisco’s restricted distribution channels in Q1 2025.
Key Features and Improvements
-
Quantum-Resistant Encryption
Implements CRYSTALS-Kyber post-quantum algorithms for SSHv2 and NETCONF sessions, addressing CVE-2025-3011 vulnerability in legacy cryptographic protocols. -
ASIC-Level Telemetry
Enables real-time TCAM utilization monitoring through OpenTelemetry integration, reducing policy propagation latency by 38% in VXLAN EVPN fabrics. -
Container Network Integration
- Native Calico CNI plugin support for Kubernetes 1.28+ clusters
- Automated EPG mapping for Istio service meshes
- Diagnostic Enhancements
- FPGA version validation during in-service upgrades
- DDR5 memory SER (Soft Error Rate) threshold alerts
Compatibility and Requirements
| Supported Platforms | Minimum Resources | NX-OS Baseline | Unsupported Models |
|---|---|---|---|
| Nexus 9300-FX3 | 64GB RAM | 9.2(3)+ | Nexus 9504 |
| Nexus 93180YC-EX | 128GB RAM | 10.2(1)+ | Nexus 3172PQ |
| Nexus 9336C-FX3 | 32GB per line card | 10.3(2)+ | – |
Critical Notes:
- Requires NX-API REST SDK 3.8+ for automation workflows
- Incompatible with Prime Infrastructure versions below 4.2(5)
Secure Distribution
Authorized network administrators can obtain nxos64-cs-lite.10.4.1.F.bin through validated channels at https://www.ioshub.net after Smart Net Total Care entitlement verification. The platform provides SHA3-512 checksum validation and 256-bit AES-GCM encrypted downloads to ensure file integrity.
For enterprises with active Cisco SWSS contracts, direct access is available via Cisco Software Manager using ServiceNow integration (SRM Case ID: N9K-1041F-SW).
nxos.9.2.3.bin for Cisco Nexus 3000/9000 Series Switches Download Link
Introduction to nxos.9.2.3.bin
This unified NX-OS image provides baseline functionality for Nexus 9300-EX/FX2 platforms, resolving critical TCAM allocation conflicts in multi-tenant VXLAN deployments. Released under Cisco’s long-term support program, it maintains compatibility with NX-API REST SDK 2.1+ while introducing hardware-assisted flow telemetry capabilities.
Key Enhancements
- Security Framework Updates
- Disables TLSv1 by default in NX-API
- Implements FIPS 140-2 compliant AES-256-GCM for control-plane communications
- VXLAN Performance
- 45% reduction in BGP EVPN convergence time
- TCAM label sharing for optimized ACL utilization
- Telemetry Integration
- Native Prometheus endpoint for metrics collection
- GPB encoding support in gRPC dial-out
Compatibility Matrix
| Switch Models | Minimum Memory | Supervisor Modules |
|---|---|---|
| Nexus 93180YC-EX | 32GB | N9K-SUP-A+ |
| Nexus 9336C-FX2 | 64GB | N9K-SUP-B |
| Nexus 9508 | 128GB | N9K-SUP-C |
Upgrade Advisory:
- Requires NX-OS 7.0(3)I7(4)+ for ISSU compatibility
- Incompatible with MDS 9000 series FC switches
Authorized Access
This production-grade firmware is available through Cisco’s Software Download portal with valid CCO credentials. Verified partners can request expedited access via TAC Case Manager (Reference: NXOS-923-EMG).
Both packages require active Cisco service contracts for technical support. Always verify cryptographic hashes against Cisco Security Advisory documentation before deployment.
