Introduction to n7700-s2-kickstart.6.2.22.bin Software
The n7700-s2-kickstart.6.2.22.bin is a critical bootstrap firmware for Cisco Nexus 7700 Series switches running NX-OS 6.2(22). Designed to initialize hardware diagnostics and prepare chassis modules for full software deployment, this kickstart image resolves critical boot failures caused by FPGA version mismatches in N77-M3 line cards.
Released under Cisco Security Advisory CSCvy00853, this version introduces backward compatibility with legacy NX-OS 5.x configurations, making it essential for hybrid environments requiring phased upgrades. Compatible with Nexus 7710/7706 chassis and Supervisor 2E modules, it ensures stable initialization of 40G/100G QSFP28 interfaces during cold reboots.
Key Features and Improvements
-
Boot Sequence Optimization
- Reduces supervisor module initialization time by 35% through ASIC pre-validation checks
- Implements dual-stage CRC verification to prevent corrupted image loading
-
Hardware Synchronization
- Fixes “operSt ver-mismatch” errors in N77-F248XP-25E line cards via FPGA 0x28+ alignment
- Supports chassis configurations with >16 installed modules through enhanced POST routines
-
Security Enhancements
- Addresses CVE-2024-20359 U-Boot vulnerability through signed image validation
- Enforces SHA-256 checksums for system package integrity verification
Compatibility and Requirements
| Supported Hardware | Minimum NX-OS Version |
|---|---|
| Nexus 7710 Chassis | 6.2(18) |
| N77-SUP2E Supervisors | BIOS 3.2.1+ |
| N77-M312CQ-26L Line Cards | EPLD 7.0.3+ |
Critical Notes:
- Incompatible with mixed supervisor configurations (SUP1 + SUP2E)
- Requires 2GB dedicated bootflash partition for image staging
How to Obtain n7700-s2-kickstart.6.2.22.bin
Authorized users can request verified downloads via https://www.ioshub.net after:
- Service Contract Validation: $5 processing fee for Cisco Smart Account authentication
- Hardware Audit: Confirm supervisor module revisions through “Call Service Agent”
Cisco Nexus 7000 Series NX-OS Software n7000-s2-dk9.7.3.0.D1.1.bin Download Link
Introduction to n7000-s2-dk9.7.3.0.D1.1.bin Software
The n7000-s2-dk9.7.3.0.D1.1.bin is the core NX-OS image for Nexus 7000 Series switches, addressing critical operational stability issues in CSCvx79358 (CPU Tx pause failures) and CSCvy34214 (port-channel BFD configuration errors).
Optimized for environments using M3/F3 modules, this release introduces enhanced OTV VLAN range management supporting 128 extended groups without post-reload configuration loss. Cisco officially recommends this build for data centers requiring synchronization between NX-OS 7.3.x software stacks and Supervisor 2E hardware.
Key Features and Improvements
-
Fabric Stability Enhancements
- Resolves ED_SCH_UC_QTYPE_HANG errors in 40G port ASICs through buffer recalibration
- Implements dynamic buffer allocation for FCoE traffic prioritization
-
Protocol Optimization
- ISIS-MPLS TE topology synchronization with SHA-2 authentication support
- ARP reply processing fixes for CTS-enabled ports in VDC configurations
-
Management Tools
- SNMPv3 engine ID persistence across supervisor failovers
- Load interval I/O rate visibility for SVIs through enhanced CLI diagnostics
Compatibility and Requirements
| Hardware | Software Prerequisites |
|---|---|
| Nexus 7009 Chassis | NX-OS 7.2(5)+ |
| N7K-SUP2E Supervisors | FPGA 0x35+ |
| N7K-M148GT-11L Line Cards | EPLD 9.2.3+ |
Deployment Constraints:
- Requires full microcode reload for N7K-F248XP-23E modules
- Incompatible with VDCs running L2VPN pseudowire configurations
Accessing n7000-s2-dk9.7.3.0.D1.1.bin
Certified partners must complete:
- License Verification: $5 fee via https://www.ioshub.net
- Technical Review: Validate M3 module compatibility through support portal
Both articles synthesize technical specifications from Cisco’s NX-OS 6.2(22) and 7.3(0)D1(1) release notes, emphasizing hardware-software synchronization and security compliance. Administrators should cross-reference Cisco Field Notice FN70486 for upgrade prerequisites.
