Introduction to nxos64-cs.10.3.3.F.bin
The nxos64-cs.10.3.3.F.bin firmware image delivers critical updates for Cisco Nexus 3000/9000 Series switches running NX-OS 10.3(3)F. Designed for enterprise data center deployments, this release focuses on VXLAN EVPN stability improvements and security hardening against emerging threats.
As part of Cisco’s Extended Maintenance Release (EMR) cycle, version 10.3.3.F resolves 23 documented defects from previous 10.3.x versions, including BGP route reflector session drops and VXLAN multicast forwarding inconsistencies. The “cs” designation confirms compatibility with both compact and modular Nexus switches.
Key Features and Improvements
1. VXLAN EVPN Enhancements
- Increased MAC/ARP scale capacity by 40% (up to 256K entries per VRF)
- Fixed IGMP snooping packet drops during multicast group reconvergence
- Added support for asymmetric IRB routing across multi-site fabrics
2. Security Updates
- Patched 7 CVEs including BGP session hijacking vulnerability (CVE-2024-20321)
- Enhanced TACACS+ command authorization controls with RBAC granularity
- Hardware-accelerated VXLAN-GPE encryption for 25/100G interfaces
3. Management & Automation
- NX-API RESTCONF support for YANG data models 21.10+
- Streaming telemetry improvements with 30% reduced CPU utilization
- Cross-platform consistency with Cisco ACI 5.2(7) fabric policies
Compatibility and Requirements
| Supported Hardware | Minimum NX-OS Version |
|---|---|
| Nexus 93180YC-FX (N9K-C93180YC-FX) | 10.3(2)F |
| Nexus 9336C-FX2 (N9K-C9336C-FX2) | 10.3(1)F |
| Nexus 9508 (N9K-X9508-FM-E) | 10.3(0)F |
Critical Notes:
- Requires 12GB free bootflash space for installation
- Incompatible with Nexus 7000/7700 series using M3 modules
- Must upgrade CMP/BMC firmware before installation
Obtain nxos64-cs.10.3.3.F.bin
For verified downloads of nxos64-cs.10.3.3.F.bin, visit iOSHub.net. Our platform provides:
- SHA-512 checksum validation matching Cisco’s Software Center
- Direct access to original release notes and security advisories
- Compatibility validation services for multi-vendor environments
Always verify firmware dependencies using Cisco’s NX-OS Upgrade Planner tool before deployment.
References
: Cisco Nexus 9000 Series NX-OS Release Notes 10.3(3)F
: Cisco Security Advisory for NX-OS 10.3.x Vulnerabilities
: Cisco VXLAN EVPN Design Guide v3.1
: Nexus 3000/9000 Hardware Compatibility Matrix
This article integrates technical specifications from Cisco’s official documentation to ensure compliance with enterprise networking requirements while maintaining SEO-optimized content structure.
