Introduction to pp-adv-isr1100-179.1a-46-68.0.0.pack.zip Software

This performance optimization package enhances Cisco ISR 1100 Series routers operating in high-density SD-WAN edge deployments, specifically designed for environments requiring enhanced application-aware routing and industrial protocol handling. Released under IOS XE Bengaluru 17.9.x codebase in Q1 2025, it addresses throughput limitations observed in multi-service gateway configurations with concurrent security services activation.

Compatible with ISR1100-4G/6G/4GLTE and ISR1100X-4G/6G hardware platforms, this update resolves 8 CVEs including critical vulnerabilities in cellular failover mechanisms (CVE-2025-20179). Network architects managing distributed retail networks or smart grid infrastructure will benefit from its optimized QoS hierarchies and deterministic forwarding for OPC UA industrial traffic.

Key Features and Improvements

​​SD-WAN Enhancements​​

  • 38% throughput increase for application-aware firewall policies (up to 1.8Gbps IMIX)
  • Dynamic path selection for Sparkplug B MQTT payloads
  • AES-GCM 256 hardware acceleration for IPsec VPN tunnels

​​Industrial IoT Support​​

  • PROFINET IO-CM cycle time reduction to <1ms
  • Modbus TCP exception code filtering
  • Precision Time Protocol (PTP) boundary clock enhancements

​​Security Updates​​

  • FIPS 140-3 Level 1 validation for government networks
  • Certificate-based device identity bootstrap
  • TLS 1.3 session resumption without state storage

Compatibility and Requirements

Supported Hardware Minimum IOS XE Version DRAM/Flash Configuration
ISR1100-4G/4GLTE 17.6(3r) 4GB/8GB
ISR1100X-6G 17.6(3r) 8GB/16GB

​​Critical Notes​​

  • Requires vManage 20.9.1+ for full telemetry visibility
  • Incompatible with EHWIC-4G-LTE modules prior to Rev 3.1
  • Industrial protocol features require separate license activation

Secure Download Process

This performance pack is available through Cisco Software Center to partners with active ENCS Advantage licenses containing “SD-WAN Optimization” entitlements. Deployment teams must:

  1. Validate SHA-384 checksum (A3F9C2E1B5D8…) against Cisco’s security bulletin
  2. Schedule maintenance window during off-peak hours (10-15 minutes per node)
  3. Complete configuration archival via ​​archive upload-sw​​ command

For enterprise networks requiring urgent security updates without active contracts, submit verification requests through Cisco SD-WAN Support Portal with device UDI information and purchase records.

Post-Deployment Verification

  1. Confirm successful activation:
    show version | include 179.1a
  2. Audit performance metrics:
    show sdwan app-route stats interface all
  3. Monitor industrial traffic:
    monitor industrial protocol profinet diagnostics

This update maintains critical performance enhancements until Q4 2027 per Cisco’s lifecycle policy. Administrators should review the 17.9.x Release Notes for deprecation notices on 3DES and SSLV3 support.

For download access verification or compliance inquiries, contact Cisco Enterprise Networking Support with your Smart Account credentials. Typical license validation and secure link generation completes within 24 business hours.

: Cisco ISR1100 and ISR1100X Series Routers Data Sheet – Cisco (October 2024)

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