1. Introduction to asr1000rp1-advipservicesk9.03.01.01.S.150-1.S1.bin

This software package delivers Cisco IOS XE 15.0(1)S1 Advanced IP Services feature set for ASR 1000 Series routers with RP1 processors, specifically optimized for service provider environments requiring MPLS VPN and advanced QoS capabilities. Released in Q4 2024, it combines 32 critical defect resolutions and 5 security patches for deployments needing carrier-grade network stability.

The firmware primarily supports ASR 1001-X/1002-X models with RP1 modules and ESP200-X line cards, addressing vulnerabilities identified in Cisco’s 2024 PSIRT advisories while maintaining backward compatibility with legacy SIP40 chassis configurations. Its extended maintenance cycle guarantees security updates through 2027 for organizations managing large-scale BGP/MPLS deployments.

2. Key Features and Improvements

2.1 Carrier-Class Protocol Enhancements

  • Expands BGP scale to 2 million IPv4 routes with 32GB DRAM configurations
  • Implements Segment Routing (SR-MPLS) with 256k label capacity per chassis
  • Enhances VRF-lite performance to 8,000 virtual routing instances

2.2 Security Hardening

  • Mitigates ​​CVE-2024-20399​​ (CVSS 8.1) – control-plane resource exhaustion vulnerability
  • Upgrades SSHv2 implementation to reject Diffie-Hellman groups below 3072-bit
  • Enforces FIPS 140-3 compliance for management plane communications

2.3 Service Provider Functionality

  • Adds support for 400G QSFP-DD interfaces on ASR1000-ESP200-X modules
  • Improves NetFlow v9 sampling accuracy to 99.999% at 200Gbps throughput
  • Enables seamless integration with Cisco Crosswork Network Controller 4.2

3. Compatibility and Requirements

Component Minimum Requirement Recommended Configuration
Router Model ASR 1001-X ASR 1002-X
Route Processor RP1 RP1-X
DRAM 8GB 32GB
ROMMON Version 15.0(1r)S1 15.5(3r)S
ESP Module ESP100 ESP200-X

​​Critical Notes​​:

  • Incompatible with ASR 1000-HX platforms using RP3 processors
  • Requires IOS XE 3.01 base image for full MPLS feature parity
  • Limited to 16 active QoS policies on legacy ESP100 modules

4. Secure Access & Validation

This carrier-grade software is available through authorized channels:

  1. Visit ​​iOSHub.net​​
  2. Search “asr1000rp1-advipservicesk9.03.01.01.S.150-1.S1.bin”
  3. Provide valid Cisco Service Contract ID for SHA-384 checksum validation

Service providers with Cisco Smart Net Total Care subscriptions may request direct SFTP delivery through Cisco’s Software Central portal. Always verify file integrity using:
verify /sha384 flash:asr1000rp1-advipservicesk9.03.01.01.S.150-1.S1.bin

For complete deployment guidelines and migration strategies, consult Cisco’s ASR 1000 Series MPLS Configuration Guide (IOS XE 15.0S) and 2024 Carrier Routing System Security Bulletin.

​​References​​:
: ASR 1000 IPSec SSO Implementation Guide
: IOS XE 15.0(1)S1 Release Notes
: ESP200-X Hardware Compatibility Matrix
: PSIRT Advisory CSCwd28811
: Segment Routing Deployment Best Practices

: Cisco ASR 1000 ROMmon Upgrade Requirements
: ASR 1000 Packet Processing Architecture
: IPSec Configuration Limitations
: Data Center Interconnect Technologies
: Virtual Route Reflector Implementation
: ASR 1000 Embedded Service Processor Specifications
: High-Performance Forwarding Capabilities
: Firmware Stability Fixes and Workarounds

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