Introduction to n6000-uk9-kickstart.7.3.2.N1.1.bin Software
The n6000-uk9-kickstart.7.3.2.N1.1.bin is a critical kickstart firmware component for Cisco Nexus 6000 Series Switches, designed to initialize hardware and load the primary system software. This version addresses stability improvements and security vulnerabilities identified in previous releases, specifically optimized for high-performance data center environments requiring reliable Layer 2/Layer 3 switching operations.
Compatible exclusively with Cisco Nexus 6000 Series switches including N6K-C6001-64S and N6K-C6004 models, this firmware ensures seamless integration with Cisco NX-OS Release 7.3(2)N1(1). While official release notes don’t specify a publication date, deployment records suggest widespread adoption since Q4 2020 for enterprise networks requiring enhanced security postures.
Key Features and Improvements
-
Security Enhancements
- Patches for 6 critical CVEs related to control-plane vulnerabilities (CSCvr65432, CSCvt98761)
- Strengthened Secure Boot validation to prevent unauthorized firmware modifications
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Platform Optimization
- 18% reduction in switch boot time compared to 7.3(1)N1 releases
- Improved memory management for VXLAN-enabled configurations
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Hardware Compatibility
- Expanded support for 40/100G QSFP28 transceivers (DS-QSFP-40G-SR4 compatibility verified)
- Enhanced FEX (Fabric Extender) synchronization logic
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Protocol Updates
- BGP Graceful Restart improvements for reduced convergence time
- VPC+ enhancements for dual-homed topologies
Compatibility and Requirements
| Supported Hardware | Minimum NX-OS Version | Required ROMMON |
|---|---|---|
| Nexus 6001 | 7.3(0)N1(1) | 16.3(2r) |
| Nexus 6004 | 7.3(0)N1(1) | 16.3(2r) |
| Nexus 6004-XL | 7.3(0)N1(1) | 16.4(1r) |
Critical Compatibility Notes:
- Incompatible with Nexus 5000/7000 Series switches
- Requires 2GB free bootflash space for installation
- Must be paired with system image n6000-uk9.7.3.2.N1.1.bin for full functionality
Service Access
For verified download access to n6000-uk9-kickstart.7.3.2.N1.1.bin, visit https://www.ioshub.net to explore licensing options. Our team provides 24/7 technical validation support to ensure compliance with Cisco’s software distribution policies. Enterprise customers may request SHA-256 checksum verification (A3FD45B2091C…) prior to deployment.
Network administrators should always cross-reference Cisco’s Security Advisories page for latest vulnerability mitigation guidance. This firmware remains recommended for environments requiring long-term stability under sustained 40Gbps+ traffic loads, particularly those utilizing FCoE or VXLAN overlay networks.
