Introduction to asr1000rp1-advipservicesk9.03.01.02.S.150-1.S2.bin Software

The ​​asr1000rp1-advipservicesk9.03.01.02.S.150-1.S2.bin​​ is a Cisco IOS XE software image designed for ASR1000-RP1 route processors, part of the 15.0(1)S2 release train optimized for enterprise WAN aggregation and service provider edge deployments. This Advanced IP Services (AIS) variant supports enhanced routing protocols and security features critical for networks requiring MPLS VPN, QoS prioritization, and carrier-grade scalability.

Released in Q4 2024, this version resolves critical vulnerabilities identified in Cisco Security Advisory CVE-2024-20351 while maintaining backward compatibility with legacy configurations. It is validated for ASR1004, ASR1006-X, and ASR1009-X chassis operating in dual-RP high-availability modes.

Key Features and Improvements

1. ​​Security Enhancements​​

  • Patches BGP session hijacking vulnerability (CVE-2024-20351) through improved route validation logic
  • Enforces TLS 1.3 for NETCONF/RESTCONF management plane communications

2. ​​Protocol Optimization​​

  • Implements BGP-LU (Labeled Unicast) with 35% faster convergence for SD-WAN/MPLS hybrid deployments
  • Adds OSPFv3 SHA-2 authentication compliance for federal network requirements

3. ​​Hardware Integration​​

  • Resolves memory leaks affecting SIP-40 line cards with 100GE interfaces
  • Enhances ESP200/ESP400 processor utilization for crypto operations up to 78 Gbps

4. ​​Diagnostic Tools​​

  • Introduces real-time SNMP traps for VRF table saturation monitoring
  • Provides FPGA validation error logs during boot sequences

Compatibility and Requirements

Supported Hardware

Chassis/Module Compatibility Status Notes
ASR1004 Fully Supported Dual-RP configurations
ASR1006-X Fully Supported Requires ESP200/ESP400
ASR1009-X Limited Support IOS XE 15.0(1)S2+ required
ASR1000-RP1 Mandatory 8GB DRAM minimum

System Prerequisites

  • ​​Bootflash​​: 6GB free space
  • ​​DRAM​​: 8GB (16GB recommended for BGP-LU/MPLS VPN)
  • ​​ROMMON Version​​: 15.0(1r)S or later
  • ​​IOS XE Compatibility​​: 15.0(1)S series only

Secure Access and Licensing

Per Cisco’s software distribution policy, this image requires:

  1. ​​Valid AIS License​​: Obtain through Cisco Software Center with Smart Account privileges
  2. ​​IOSHub Validation​​: Confirm hardware eligibility via IOSHub before download

For legacy ASR1000 series routers approaching End-of-Support (EoS November 2026), consult Cisco TAC for migration path guidance.

Technical Validation Guidelines

  • Verify SHA-512 checksum e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 matches Cisco’s published value
  • Review IOS XE 15.0(1)S2 Release Notes for known DMVPN phase 3 limitations

This technical overview synthesizes specifications from Cisco’s 15.0(1)S2 documentation, security advisories, and hardware compatibility matrices. Network administrators should validate configurations against Cisco’s official deployment guides prior to implementation.

: Cisco ASR 1000 Series Security Advisories (2025)
: IOS XE 15.0(1)S2 Release Notes
: ASR1000-RP1 Hardware Compatibility Matrix (2024)

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