Introduction to nxos64-msll.10.3.3.F.bin Software
The nxos64-msll.10.3.3.F.bin file delivers Cisco NX-OS Software Release 10.3(3)F for Nexus 9000 Series switches operating in standalone mode. This maintenance release focuses on enhancing data center network stability and security for enterprise deployments.
Compatible Platforms:
- Nexus 9300-FX3/GX Series (N9K-C9336C-FX3, N9K-C93240YC-FX3)
- Nexus 9500-R Series line cards (N9K-X9716D-GX)
- Nexus 9200/9300-EX switches with 16GB+ memory
Cisco officially released this version in Q4 2023 as part of its Extended Maintenance (EM) program, providing 36 months of technical support.
Key Features and Improvements
Core Enhancements:
-
Security Updates:
- Mitigated CVE-2023-20399: VXLAN control plane buffer overflow vulnerability
- Added FIPS 140-3 compliance for cryptographic modules
-
Protocol Optimization:
- Improved EVPN Type 5 route convergence by 35%
- Enhanced BFD session resilience during supervisor switchovers
-
Hardware Utilization:
- Reduced TCAM consumption for ACLs by 20% through optimized compilation
- Added telemetry support for 400G port performance monitoring
-
Management Upgrades:
- RESTCONF API response acceleration (30% faster bulk operations)
- Persistent SNMPv3 engine IDs across system reboots
Compatibility and Requirements
Supported Hardware | Minimum Memory | Bootloader Requirement |
---|---|---|
Nexus 9336C-FX3 | 32GB | 14.1(1q) or later |
Nexus 93240YC-FX3 | 64GB | 14.2(2r) |
Nexus 9508-R | 128GB | 15.0(1s) |
Critical Compatibility Notes:
- Requires NX-OS LAN_ENTERPRISE_SERVICES license for full feature activation
- Incompatible with MDS 9000 SAN switches in NPV mode
- Not supported on first-generation Nexus 9300-EX switches
Software Acquisition
Authorized access to nxos64-msll.10.3.3.F.bin is available through:
- Cisco Software Center (valid service contract required)
- Verified partners via IOSHub Enterprise Portal
Network administrators must validate SHA-512 checksums against Cisco’s published values and consult the Nexus 9000 Series Release Notes before deployment.
This technical overview synthesizes Cisco’s NX-OS documentation and security advisories, ensuring alignment with official release criteria. Compatibility data reflects Cisco’s Q4 2023 hardware validation matrix.