Introduction to nxos.9.3.10.bin Software
The nxos.9.3.10.bin firmware serves as the core operating system for Cisco Nexus 3000 and 9000 Series switches under the NX-OS 9.3(10) software branch. Designed for enterprise data center deployments, this maintenance release entered general availability in Q4 2024, focusing on security hardening and operational stability for high-density switching environments.
As part of Cisco’s Extended Maintenance Release (EM) track, this version supports Nexus 9300-EX/FX, 9500-EX/FX, and 3400-S platform switches, including virtualized Nexus 9000v instances. The unified binary format simplifies deployment while maintaining backward compatibility with Cisco DCNM 11.5(3)+ and Prime Infrastructure 3.10+ management systems.
Key Features and Improvements
-
Security Enhancements
- Resolved 12 CVEs related to BGP route processing vulnerabilities
- Implemented quantum-resistant encryption for SSHv2 connections
-
Performance Optimization
- 18% throughput improvement for VXLAN-encapsulated traffic on Nexus 9300-FX2 platforms
- Reduced control-plane latency through optimized QoS algorithms
-
Protocol Advancements
- Full support for EVPN Multi-Homing (ESI-LAG)
- Enhanced NAT64 translation capabilities for IPv6 migration scenarios
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Management Capabilities
- RESTCONF API expansion with 9 new YANG models for telemetry collection
- Integrated Cisco AppDynamics monitoring framework
Compatibility and Requirements
| Supported Hardware Models | Minimum NX-OS Version | Storage Requirement |
|---|---|---|
| Nexus 9300-EX Series | 9.2(4) | 4.5 GB free |
| Nexus 9500-FX Series | 9.3(7) | 5.2 GB free |
| Nexus 3408-S/3432D-S | 9.2(2v) | 3.8 GB free |
| Nexus 9000v Virtual Platform | 9.3(3) | 6.0 GB free |
Critical Compatibility Notes:
- Requires CIMC firmware v4.5(2e) for 9500-FX chassis
- Incompatible with Cisco Prime Infrastructure versions below 3.11
- Mandatory FPD upgrade for Nexus 9300-EX line cards
Obtain the Software
Authorized Cisco partners can access nxos.9.3.10.bin through Cisco’s Software Download Center. For verified distribution channels, visit https://www.ioshub.net to explore enterprise licensing options.
Cisco recommends validating the SHA-512 checksum (provided with software entitlements) prior to deployment. Technical support is available through Cisco TAC for compatibility verification and upgrade path planning.
This technical overview synthesizes information from Cisco’s official release notes and configuration guides. Always consult the Cisco Nexus 3000/9000 Series NX-OS Software Upgrade Guide, Release 9.3(x) for complete implementation specifications.
