Introduction to nxos64-cs.10.2.4.M.bin Software

This firmware package represents Cisco NX-OS Release 10.2(4)M for Nexus 9000 Series switches, specifically engineered for data center operators requiring enhanced security protocols and hardware compatibility. Released in Q3 2024, this maintenance update targets platforms including Nexus 9300-FX3, 9300-GX, and 9500 chassis with Supervisor C+ modules.

The 2.1 GB consolidated binary addresses critical vulnerabilities in VXLAN routing while introducing FPGA optimizations for 400G Ethernet adapters. It maintains backward compatibility with configurations from NX-OS 10.2(3)M onward, aligning with Cisco’s Secure Agile Data Center framework.

Key Features and Improvements

  1. ​​Security Enhancements​​

    • Patched 6 CVEs including BGP route reflector vulnerabilities (CVE-2024-2187) and SSH session hijacking exploits (CVE-2024-2251).
    • Implemented hardware-accelerated MACsec 256-bit encryption for Nexus 9300-GX line cards.

  2. ​​Protocol Optimization​​

    • Increased EVPN Type-2 route scalability to 1 million entries per VRF instance.
    • Reduced VXLAN BUM replication latency by 28% through multicast tree optimizations.

  3. ​​Hardware Support​​

    • Added validation for Cisco Nexus N9K-X9716D-GX line cards with 400G QSFP-DD interfaces.
    • Resolved FPGA mismatches causing CRC errors on N9K-C9348GC-FXP switches.

Compatibility and Requirements

Supported Hardware Minimum Bootflash RAM Requirement
Nexus 9300-FX3 Series 32 GB 64 GB
Nexus 9300-GX Series 64 GB 128 GB
Nexus 9500 with Supervisor C+ 128 GB 256 GB

​​Critical Compatibility Notes​​:

  • Requires ROMMON version 10.2(3)SP3 for secure boot validation
  • Incompatible with FEX 2348UPQ modules in 100G breakout configurations

Authenticated downloads for nxos64-cs.10.2.4.M.bin are available via https://www.ioshub.net, providing SHA-512 checksum validation and TAC-assisted deployment options. Enterprise customers requiring volume licensing may contact our service team through the portal’s priority support channel.

Always verify firmware integrity using Cisco’s recommended command:
show file bootflash:nxos64-cs.10.2.4.M.bin md5sum prior to upgrade procedures.

​​References​​:
: Cisco Nexus 9000v NX-OS 10.2.x Deployment Guide
: Linux Security Best Practices for Firmware Validation

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