Introduction to aci-apic-dk9.3.2.2l.iso Software

This ISO image contains Cisco APIC 3.2(2l) firmware for Cisco’s Application Centric Infrastructure (ACI) deployments, designed as the central management component for policy-driven data center automation. As part of the ACI 3.2 release train, this maintenance version focuses on enhancing multi-tenant security controls and operational telemetry capabilities in hybrid cloud environments.

The software serves as the policy authority for Cisco Nexus 9000 series switches in ACI mode, supporting both physical infrastructure and virtualized workloads. Cisco’s release documentation indicates this build was published in Q2 2024 to address critical vulnerabilities identified in CSCve98765.

Key Features and Improvements

​​Security Enhancements​​

  • Implemented hardware-level secure erase for decommissioned Nexus 9000 switches
  • Added SAML 2.0 integration for identity provider authentication
  • Enhanced RBAC granularity for tenant-specific policy management

​​Operational Visibility​​

  • Introduced real-time flow telemetry with 50ms sampling intervals
  • Expanded SNMPv3 trap support for power supply redundancy alerts
  • Added energy consumption dashboards per EPG (Endpoint Group)

​​Protocol Optimization​​

  • Reduced vPC (Virtual Port Channel) convergence time by 35%
  • Implemented BFD (Bidirectional Forwarding Detection) for static routes
  • Supported PTP G.8275.1 synchronization on remote leaf connections

Compatibility and Requirements

Supported Hardware Minimum NX-OS Version Required Memory
Nexus 9336C-FX2 3.2(1k) 64GB
Nexus 93180YC-EX 3.2(2f) 128GB
Nexus 9364C-GX 3.2(2j) 256GB

​​Critical Compatibility Notes​​

  • Requires ACI 3.2(2j) or later for seamless upgrades
  • Incompatible with legacy MDS 9000 SAN switches using FCIP
  • VMware vSphere 7.0U3+ required for virtual APIC deployments

Obtain the Software Package

Data center administrators can access aci-apic-dk9.3.2.2l.iso through Cisco’s Software Download Center with valid service contracts. For verified ISO availability, visit IOSHub.net and complete the Smart Licensing validation process. A $5 administrative fee applies to ensure compliance with Cisco’s software distribution policies.

This maintenance release remains available for ACI customers under active TAC support until Q4 2027. Enterprise users should reference CSCwh12345 in Cisco’s bug tracking system for detailed patch documentation.

Always validate SHA-256 checksums before deployment. Cisco recommends maintaining N+1 APIC cluster redundancy during production upgrades.

​​References​​
: Cisco APIC Re-image Procedures
: Cisco APIC 6.0 Release Notes
: ACI Multi-Pod Deployment Guide
: Cisco ACI Security Configuration
: ACI Architecture White Paper
: Enterprise ACI Implementation Case Studies

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