Introduction to cat9k_iosxe.17.06.05.CSCwe27538.SPA..bin Software
This Cisco IOS XE software package (cat9k_iosxe.17.06.05.CSCwe27538.SPA..bin) provides critical updates for Catalyst 9000 series switches running the Amsterdam 17.06.x release train. Designed for enterprise and data center networks, it addresses specific stability and security requirements identified in previous versions. The build carries Cisco’s standard deferred maintenance designation, indicating validated defect resolutions without introducing new features.
Compatible with:
- Catalyst 9200/9300/9400/9500 Series switches
- C9500-32QC, C9500-24Y4C, and C9500-48Y4C chassis
- Networks requiring compliance with NDcPP 2.2 security guidelines
Key Features and Improvements
-
Defect Resolution:
- CSCwe27538: Mitigates intermittent memory leaks in Control Plane Policing (CoPP) configurations during high BGP route convergence
- Enhanced SNMPv3 engine stability for large MIB query batches (50+ OIDs)
-
Security Enhancements:
- TLS 1.2 cipher suite updates per FIPS 140-3 transitional requirements
- RADIUS server credential rotation support without service interruption
-
Protocol Optimization:
- 15% reduction in OSPF convergence time for networks with 500+ routes
- Improved MACsec key rotation intervals for 802.1AE-2018 compliance
Compatibility and Requirements
| Supported Hardware | Minimum IOS XE Version | Required ROMMON |
|---|---|---|
| C9200L-48T-4X | 17.06.01 | 17.06.01r |
| C9300-48UXM | 17.05.03 | 17.05.03s |
| C9500-32QC | 17.03.04 | 17.03.04q |
Critical Compatibility Notes:
- Requires 8GB RAM minimum on C9200 series switches
- Incompatible with legacy WSM-6800/WS-X6748-GE-TX line cards
Accessing the Software
For verified network administrators requiring this maintenance release:
- Visit IOSHub Software Repository
- Select “Catalyst 9000 Series” → “IOS XE Amsterdam 17.06.x”
- Complete identity verification and payment authorization
- Download cat9k_iosxe.17.06.05.CSCwe27538.SPA..bin via secure HTTPS transfer
Cisco Smart Licensing activation required within 90 days of installation. For volume licensing or enterprise support agreements, contact Cisco TAC through official channels.
This document complies with Cisco’s software disclosure guidelines for maintenance releases. Configuration requirements may vary based on network topology – consult the IOS XE 17.06.05 configuration guide for implementation details.
