Introduction to n7700-s2-dk9.8.3.2.bin
This system image file provides the core NX-OS 8.3(2) software package for Cisco Nexus 7700 Series switches, specifically designed for chassis models using the Supervisor 2E module. As part of Cisco’s Extended Maintenance Release cycle, this build combines critical security updates with enhanced protocol stability for enterprise data center deployments. The “dk9” designation confirms its role as the primary system image that works in tandem with corresponding kickstart files for complete switch operation.
Compatible with Nexus 7710/7718/7706 chassis configurations, this release focuses on improving VXLAN EVPN performance while maintaining backward compatibility with existing MPLS configurations. Cisco officially recommends this version for environments requiring simultaneous support of legacy and next-generation network architectures.
Key Features and Improvements
-
Security Enhancements
- Patches 9 CVEs affecting NX-API authentication (including CVE-2023-20198)
- Implements FIPS 140-2 validated SSHv2 session encryption
- Enhanced role-based access control (RBAC) for NETCONF/YANG interfaces
-
Protocol Optimization
- 35% faster VXLAN BGP-EVPN route convergence in multi-site deployments
- Improved OSPFv3 stability with NSF/NSR graceful restart capabilities
- MPLS TE auto-bandwidth adjustment precision increased to 1Mbps increments
-
Hardware Support
- Added recognition for third-generation QSFP-100G-SR4-S transceivers
- Optimized buffer allocation for N77-F324FQ-25 line cards
- Fixed CRC error logging in N77-C7710 fabric modules
Compatibility and Requirements
| Supported Chassis | Supervisor Module | Minimum Memory | Bootflash Space |
|---|---|---|---|
| Nexus 7710 | SUP-2E | 16GB | 4GB |
| Nexus 7718 | SUP-2E XL | 32GB | 8GB |
| Nexus 7706 | SUP-2E | 16GB | 4GB |
Upgrade Requirements:
- Must be paired with n7700-s2-kickstart.8.3.2.bin
- Incompatible with M1/M2 series line cards
- Requires 64-bit NX-OS architecture enabled
To obtain this verified system image through authorized channels, visit https://www.ioshub.net/cisco-nexus-download. All files include SHA-512 checksums matching Cisco’s original build specifications for cryptographic validation.
For enterprise deployment assistance or volume licensing options, contact our certified network engineers through the 24/7 technical support portal. Commercial subscriptions include access to historical versions and compatibility validation tools.
