Introduction to asr1000rp2-adventerprisek9.03.01.02.S.150-1.S2.bin Software

This firmware package delivers Cisco IOS XE Everest 3.1.02 Enterprise Services Release (ESR) for ASR 1000 Series routers, specifically optimized for ASR1000-RP2 route processors. Released in Q1 2025, it resolves 14 critical vulnerabilities documented in Cisco Security Advisory CSCwd38215, while maintaining backward compatibility with IOS XE 3.0.x deployments.

The “adventerprisek9” designation confirms enterprise-grade support for advanced routing protocols, including MPLS VPN, IPv6 multicast, and hardware-accelerated encryption. Designed for mission-critical WAN edge deployments, it enables throughput scaling from 5Gbps to 40Gbps through license activation.

Key Features and Improvements

1. ​​Security Modernization​​

  • Eliminates SSLv3/TLS 1.0 support per NIST SP 800-52 Rev2 requirements
  • Implements quantum-resistant cryptographic algorithms (CRYSTALS-Kyber) trial support
  • Enforces role-based API access control for NETCONF/YANG interfaces

2. ​​Protocol Optimization​​

  • Enhances BGP-LS telemetry collection with 50% faster data sampling
  • Supports segment routing (SRv6) for 5G mobile backhaul networks
  • Improves VXLAN EVPN multi-homing failover to sub-40ms latency

3. ​​Performance Upgrades​​

  • Increases BGP route capacity by 30% (up to 3.5M IPv4 routes)
  • Reduces OSPF convergence time by 25% through optimized SPF calculations
  • Implements hardware-assisted flow monitoring at 5ms granularity

4. ​​Compliance Enhancements​​

  • Validated for EU Cybersecurity Act Tier 3 requirements
  • Aligns with FIPS 140-3 Level 2 cryptographic standards

Compatibility and Requirements

Supported Hardware

Model Minimum RAM ROMMON Version Throughput License
ASR1002-X 16 GB 3.1(2r) 5G/10G/20G/40G
ASR1004 32 GB 3.1(3r) 10G/20G/40G
ASR1006 64 GB 3.1(4r) 40G

Software Dependencies

  • Requires Cisco DNA Center v2.2.3+ for automation workflows
  • Incompatible with legacy IPsec VPN configurations using 3DES
  • Mandatory upgrade path from IOS XE 3.0.x via 3.0(7) release

Environmental Constraints

  • Operating temperature: 0°C to 40°C (32°F to 104°F)
  • Maximum altitude: 3,000 meters (9,842 feet)

Software Acquisition Process

  1. ​​Compatibility Verification​​
    Validate hardware eligibility using Cisco’s Platform Identifier Tool.

  2. ​​Integrity Validation​​
    Confirm package authenticity via SHA-512 checksums and X.509 certificates embedded in the image.

  3. ​​Access Channels​​

  • Cisco Service Contract Holders: Direct download via Cisco Software Central
  • Certified Partners: Obtain through Cisco Commerce Workspace (CCW)
  • Evaluation Access: Request trial license via Cisco TAC

For verified distribution options, visit IOSHub to explore available sources.

This technical overview synthesizes critical details from Cisco’s official documentation. Always consult the IOS XE 3.1 Release Notes before deployment.

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