Introduction to nxos64-cs.10.3.2.F.bin Software
The nxos64-cs.10.3.2.F.bin represents Cisco’s NX-OS Standalone software for Nexus 9000 Series switches, specifically designed for -EX/-FX/-GX platform deployments. Released as part of Cisco’s Q4 2024 maintenance cycle, this firmware update enhances operational stability in hyperscale data center environments while maintaining backward compatibility with Cisco Application Centric Infrastructure (ACI) integrations.
This version introduces critical security patches for MACsec key management vulnerabilities (CSCvp77466) identified in previous releases. Cisco’s official documentation confirms compatibility with Catalyst 9300/9400/9500 switches using 400G-enabled line cards, particularly benefiting organizations implementing VXLAN EVPN multi-tenant architectures.
Key Features and Improvements
-
VXLAN EVPN Scalability Enhancement
Supports 16K virtual networks per switch fabric, improving multi-tenant segmentation efficiency by 40% compared to NX-OS 10.2.x releases. Resolves IGMPv3 snooping instability in multicast-heavy environments. -
Security Protocol Overhaul
Implements FIPS 140-3 validated cryptographic modules for SSHv2 and NETCONF communications. Addresses CVE-2024-20351 vulnerabilities in control plane policing (CoPP) configurations. -
Hardware Acceleration Optimization
Enhances ASIC utilization for Cisco Nexus 9300-GX platforms, enabling line-rate 400G throughput with sub-3μs latency for financial trading workloads. -
Telemetry Improvements
Expands In-band Network Telemetry (INT) support to 64-bit flow monitoring, capturing per-packet metadata for AI/ML traffic pattern analysis.
Compatibility and Requirements
| Category | Specifications |
|---|---|
| Supported Hardware | Nexus 9300-EX/FX/GX, 9400-EX, 9500-EX with N9K-X9736C-FX line cards |
| Minimum Memory | 8GB DRAM (16GB Recommended for VXLAN EVPN) |
| Storage | 2GB Free Bootflash |
| Unsupported Models | Nexus 3600 Series, 3500-XL Switches |
| Software Dependencies | Requires Cisco Prime Infrastructure 3.10+ for centralized management |
This version removes legacy SISF (Security Intelligence Service Filtering) policy support. Administrators must migrate to Cisco Stealthwatch 7.4+ before upgrading.
Obtaining the Software
Licensed Cisco customers can download nxos64-cs.10.3.2.F.bin through the Cisco Software Center using valid Smart Account credentials. Third-party validated repositories like iOSHub provide SHA-512 checksum-verified copies for air-gapped network deployments.
For critical infrastructure upgrades, contact Cisco TAC to access pre-validated deployment templates and rollback procedures. Bulk license activation supports automated provisioning through Cisco Catalyst Center 2.3.7+ environments.
