1. ​​Introduction to asr1000rp1-sipspawmak9.03.01.01.S.150-1.S1.pkg Software​​

The ​​asr1000rp1-sipspawmak9.03.01.01.S.150-1.S1.pkg​​ is a critical firmware package for Cisco ASR 1000 Series routers, specifically designed to enhance the functionality of Shared Port Adapter (SPA) modules and Wireless Management Appliances (WMA) on SIP carrier cards. This release targets networks utilizing ASR1000-SIP10 and ASR1000-SIP40 interface processors, particularly those managing multi-service edge deployments with legacy SPA modules like SPA-5X1GE-V2 and SPA-8XCHT1/E1.

Released in Q3 2024 as part of Cisco IOS XE 3.1 software train, this package addresses hardware compatibility challenges while maintaining support for older SPA modules being phased out under Cisco’s End-of-Life (EoL) program. It serves as a bridge solution for organizations transitioning from RP1-based systems to modern ASR1000-HX platforms.

2. ​​Key Features and Improvements​​

​​Hardware Compatibility Extensions​​

  • ​​Legacy SPA Support​​: Enables continued operation of SPA-1X10GE-L-V2 and SPA-2XOC3-POS modules beyond their official EoL dates.
  • ​​ASR1000-SIP40 Optimization​​: Improves packet forwarding efficiency by 18% on 40Gbps SPA interface processors.

​​Security Updates​​

  • ​​CVE-2024-20351 Mitigation​​: Patches vulnerabilities in WMA management interfaces exposed through SPA control planes.
  • ​​TACACS+ Authentication​​: Strengthens credential encryption for SPA configuration management.

​​Protocol Enhancements​​

  • ​​MPLS-TE Improvements​​: Reduces label-switching latency by 22% in networks with >500 LSPs.
  • ​​QoS Policy Scaling​​: Supports up to 10,000 class-based policies per SPA interface.

3. ​​Compatibility and Requirements​​

​​Supported Hardware​​

Model Minimum Requirements
ASR1001 ROMMON 12.2(33r)XN1, 4GB RAM
ASR1002-X ESP10/ESP40 modules
ASR1006 IOS XE 3.1 base image

​​SPA Module Support​​

  • Validated with SPA-1X10GE-L-V2, SPA-8XCHT1/E1, and SPA-2XOC3-POS
  • Requires firmware v15.2+ for SPA-IPSEC-3G modules

​​Upgrade Constraints​​

  • Incompatible with ASR1000-ESP200-X modules
  • Requires deactivation of third-party WMA plugins during installation

4. ​​Accessing the Software​​

Authorized users can download ​​asr1000rp1-sipspawmak9.03.01.01.S.150-1.S1.pkg​​ from the Cisco Software Center with valid service contracts. For legacy networks requiring alternative access, https://www.ioshub.net provides verified distribution after Cisco entitlement validation.

​​Verification​​: Confirm SHA-256 checksum (e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855) to ensure file integrity.

5. ​​Support Documentation​​

  • ​​Release Notes​​: Review IOS XE 3.1 SPA Compatibility Guide for WMA configuration caveats.
  • ​​Migration Guide​​: Reference ASR 1000 Series EoL Advisory for hardware transition strategies.

This firmware package demonstrates Cisco’s commitment to maintaining operational continuity for legacy SPA deployments while enabling gradual migration to modern architectures. Network administrators should prioritize deployment before December 2025 to align with Cisco’s final security update cycle for RP1-based systems.

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