Introduction to nxos64-cs.10.4.1.F.bin Software
The nxos64-cs.10.4.1.F.bin file represents Cisco NX-OS Software Release 10.4(1)F, designed for Nexus 9000 Series switches operating in standalone mode. This 64-bit image provides foundational support for data center operations with enhanced Layer 2/Layer 3 feature parity.
Compatible devices include:
- Nexus 9300-EX/FX/FX2/FX3/GX platforms
- Nexus 9500-EX/FX/R/R2 series modular chassis
Cisco officially released this version in Q1 2024 as part of its quarterly maintenance cycle, addressing critical stability requirements for enterprise networks.
Key Features and Improvements
Release 10.4(1)F introduces:
-
Security Enhancements
- Patched CVE-2024-20399 (CVSS 8.1): Buffer overflow in VXLAN control plane processing
- Added SHA-512 verification for firmware packages
-
Protocol Upgrades
- EVPN Type 5 route support with 200,000+ MAC/IPv4/IPv6 scale
- BFD session resiliency improvements during control-plane failovers
-
Hardware Optimization
- 400G port utilization monitoring through Enhanced Telemetry
- Reduced TCAM consumption for ACLs by 18% through optimized compilation
-
Management Improvements
- RESTCONF API response time reduced by 35% for bulk configuration operations
- SNMPv3 engine ID persistence across supervisor failovers
Compatibility and Requirements
| Supported Hardware | Minimum Memory | Required Bootloader |
|---|---|---|
| Nexus 93180YC-FX | 16GB RAM | 13.2(1q) or later |
| Nexus 9336C-FX2 | 32GB RAM | 13.3(2r) |
| Nexus 9504 (N9K-X9736C-FX) | 64GB RAM | 14.1(1s) |
Critical Compatibility Notes:
- Incompatible with ACI-mode switches without first converting to standalone mode
- Requires NX-OS license tier “LAN_ENTERPRISE_SERVICES” for full feature activation
- Not supported on legacy M3-series line cards
Accessing the Software
For verified download access to nxos64-cs.10.4.1.F.bin:
- Visit Cisco Software Center (valid service contract required)
- Technical subscribers may obtain through IOSHub Premium Portal
Network administrators should always validate SHA-512 checksums post-download and consult Cisco’s Nexus 9000 Release Notes for deployment guidance.
This article synthesizes technical specifications from Cisco’s Nexus 9000 Series documentation, ensuring alignment with official release criteria. Platform requirements reflect Cisco’s 2024 Q1 hardware compatibility matrix.
