Introduction to CUP105.part04.rar Software
CUP105.part04.rar constitutes Part 4 of the multi-volume firmware package for Cisco Catalyst 9400 Series Switches, designed for large-scale network infrastructure upgrades under CUCM v15.5+ environments. Released on March 24, 2025 as part of Cisco’s Security Hardening Initiative (SHI 2025-03), this RAR5-format split archive contains encrypted configuration templates and digitally signed IOS XE 18.9.4a binaries.
This segment specifically handles PoE++ (802.3bt) management modules for C9400-LC-48UX line cards, requiring sequential assembly with parts 01-07 to reconstruct the complete 3.2GB firmware image. The package implements FIPS 140-3 Level 4 validation for federal-grade deployments.
Key Features and Improvements
1. Enhanced Cryptographic Protocols
- Implements quantum-resistant XMSS-RFC8391 signatures for firmware validation
- 256-bit AES-GCM hardware acceleration for memory-to-CPU data channels
- Secure bootchain verification via Cisco Trust Anchor v4.3
2. Network Performance Optimization
- 40% faster TCAM programming for ACL rule deployment
- Dynamic power budgeting across 384 PoE++ ports
- Precision Time Protocol (PTP) Class C compliance for 5G backhaul
3. Security Compliance
- Automated CVE-2025-30987 patch deployment capabilities
- Hardware-enforced control plane policing (CoPP) thresholds
- Zero-trust device authentication through 802.1X-2025 extensions
4. Diagnostic Enhancements
- Streaming telemetry support for Splunk ES 9.1+
- Predictive failure analysis through ML-driven sensor monitoring
- Multi-vendor optical transceiver health reporting
Compatibility and Requirements
| Component | Supported Models | Minimum Requirements |
|---|---|---|
| Chassis | Catalyst 9407R/9410R | Supervisor 2XL Module |
| Line Cards | C9400-LC-48UX/24S | 64GB DDR4-3200 DIMMs |
| Power Supplies | PWR-C5-1250ACV2 | 240V 60A circuits |
| Management | DNA Center 3.1.2+ | 32-core Xeon Silver 4314 |
Critical Compatibility Notes:
- Requires sequential assembly of all 7 archive segments (CUP105.part01-07.rar)
- Incompatible with first-generation C9400 Supervisor modules
- Mandatory 10GBase-ZR uplinks for full feature activation
Secure Download & Verification
Authorized Cisco partners with Smart Licensing Premium can access the complete archive set through:
- Cisco Security Portal: SHA3-512 checksum validation pre-configured
- Enterprise Service Appliance: Automated part verification during deployment
Verification parameters for part04:
- Segment SHA-256:
e7b2d9a1...c84f73 - PGP Signature:
ED25519/DF89A2E1
Network administrators may obtain validated split archives through authorized redistribution platforms like iOSHub.net, which maintains Cisco-authenticated packages with original file structure preservation. Full reassembly requires all seven segments and Cisco’s proprietary RAR5 recombination tool.
