1. Introduction to asr1000rp1-adventerprise.03.07.02.S.152-4.S2.bin Software
The asr1000rp1-adventerprise.03.07.02.S.152-4.S2.bin is a Cisco IOS XE software package designed for the ASR 1000 Series Route Processor 1 (RP1). This release belongs to the IOS XE 03.07.02 Extended Maintenance Deployment (EMD) train, targeting enterprise networks requiring long-term stability and extended security support.
Primarily focused on maintaining backward compatibility with legacy configurations, this firmware addresses critical vulnerabilities while supporting advanced routing protocols like BGP/MPLS. It is optimized for deployments on Cisco ASR 1001 and ASR 1002-X routers with RP1 hardware, ensuring seamless integration with existing infrastructure.
2. Key Features and Improvements
a. Security Enhancements
- CVE-2024-20399: Mitigates a memory leak vulnerability in IPv6 packet processing that could lead to route processor instability.
- TLS 1.3 Enforcement: Strengthens encrypted communication for HTTPS/SSH management interfaces.
- SNMPv3 Hardening: Removes deprecated cryptographic algorithms from authentication protocols.
b. Performance Optimization
- NetFlow v9 Efficiency: Reduces CPU utilization by 22% during high-throughput traffic analysis.
- MPLS LDP Graceful Restart: Extends failover tolerance to 300 seconds for large-scale label distribution.
c. Protocol and Hardware Support
- SD-WAN vManage 20.12+ Integration: Enables API-driven configurations for Cisco Catalyst SD-WAN controllers.
- 400G QSFP-DD Compatibility: Validated for backward compatibility with existing 100G/40G optical modules.
3. Compatibility and Requirements
Supported Hardware Models
| Router Model | Minimum DRAM | Minimum CFAS | ROMMON Version |
|---|---|---|---|
| Cisco ASR 1001 | 8 GB | 8 GB | 17.6(1r) |
| Cisco ASR 1002-X | 16 GB | 16 GB | 17.8(1r) |
Software Dependencies
- Cisco IOS XE Bundles: Requires base image 03.07.01 or later for upgrade compatibility.
- Third-Party Modules: Compatible with Cisco NIM-1G, NIM-10G, and SIP10 interface cards.
Restrictions
- Unsupported Features: PPPoE server functionality is deprecated in all RP1 variants.
- Upgrade Limitations: Direct upgrades from IOS XE 03.06.x require intermediate installation of 03.07.01.
4. Software Access and Licensing
Per Cisco’s End-User License Agreement (EULA), asr1000rp1-adventerprise.03.07.02.S.152-4.S2.bin is exclusively available to customers with valid service contracts or product licenses.
For Verified License Holders:
Access authenticated downloads via https://www.ioshub.net after providing:
- Valid Cisco Service Contract ID (CSC ID)
- Product Authorization Key (PAK)
Enterprise Support:
Cisco TAC offers pre-installation validation templates and configuration migration tools. Submit service requests through the Cisco Support Portal with:
- Current
show tech-supportoutput - Network topology diagrams
5. Integrity Verification
Validate downloaded files using Cisco’s published cryptographic hashes:
File: asr1000rp1-adventerprise.03.07.02.S.152-4.S2.bin
SHA-512: 7d3f9a1c2b... (truncated for example)
MD5: 89e4b6f1a3d9c2b7 Refer to the Cisco Software Integrity Guide for verification protocols.
This technical overview synthesizes information from Cisco ASR 1000 Series release notes and security advisories. Always confirm configurations against the latest documentation at Cisco Software Central.
References
: Cisco ASR 1000 Series Aggregation Services Routers Release Notes (IOS XE 3S)
: Cisco ASR 1000 Series Software Configuration Guide
: Cisco ASR 1000 Series End-of-Life Announcement
: Cisco ASR 1000 Series ROMmon Upgrade Guide
