Cisco AIM-VPN/SSL-1 Full Official Technical Specification Document

1. Product Overview

Official Full Designation

Core Definition

SKU Naming Breakdown

1. AIM: Advanced Integration Module, internal router edge-connector expansion form factor for specialized co-processor hardware
2. VPN/SSL: Unified acceleration support for IPsec inter-site VPN and SSL (AnyConnect) remote worker access VPN cryptographic workloads
3. 1: First-generation single independent security crypto-processing engine design, lower performance versus second-gen dual-engine AIM-VPN/SSL-2
4. =: Optional suffix for standalone spare replacement AIM kits (AIM-VPN/SSL-1=)

Product Lifecycle Notice

• Official Global Release Year: 2002
• End-of-Sale (EoS) Status: Discontinued; Cisco permanently ceased production of brand-new AIM-VPN/SSL-1 hardware units
• Direct Upgrade Replacement Model: AIM-VPN/SSL-2 second-generation dual-engine VPN acceleration AIM module with doubled throughput and tunnel scalability
• Minimum Supported IOS Software Version: Cisco IOS Release 12.2(15)T for full IPsec + SSL VPN acceleration functionality; basic IPsec offload supported in earlier 12.2 mainline IOS releases
• Software Maintenance Status: Only critical security vulnerability patches are released for customers holding active Cisco DNA service contracts; no new feature enhancements will be developed
• Legacy Status: End-of-sale legacy hardware; certified refurbished spare modules, validated legacy IOS firmware images and 24×7 Cisco TAC engineering technical support remain available through authorized Cisco distribution partners

Supported Router Platform Compatibility

1. Cisco 1700 Series Multiservice Routers (1721, 1751, 1760)
2. Cisco 2600 Series Multiservice Routers (2610, 2611, 2620, 2621, 2650, 2651, 2600XM, 2691)
3. Cisco 3600 Series Multiservice Routers (3620, 3640, 3660)
4. Cisco 3700 Series Multiservice Routers (3725, 3745)

Deployment Restrictions

1. No certified hot-swap capability: Full chassis power cycle is mandatory for safe installation or replacement; live insertion/removal triggers internal bus hardware errors, active VPN tunnel outages and continuous IOS system error logging.
2. IOS feature license dependency: Full IPsec and SSL VPN acceleration requires an IOS image containing Advanced Security or Advanced Enterprise feature sets; base IP Base IOS images lack native VPN cryptographic stack support and cannot utilize the AIM acceleration hardware.
3. Slot compatibility limitation: The AIM module only fits dedicated internal AIM expansion slots; cannot be installed into external WIC/VWIC/EHWIC chassis expansion bays. Each router chassis supports a limited maximum quantity of AIM modules based on internal PCI-style bus bandwidth capacity.
4. Voice coexistence resource constraint: When deployed alongside voice DSP AIM modules (AIM-VOICE), the router’s shared internal bus bandwidth is split between VPN crypto processing and voice media processing; high VPN tunnel loads will reduce the maximum supported concurrent VoIP call capacity.
5. Lower performance ceiling vs AIM-VPN/SSL-2: Single crypto engine architecture limits aggregate encrypted VPN throughput and maximum concurrent IPsec/SSL tunnel counts to approximately half the capacity of the dual-engine second-generation AIM-VPN/SSL-2.

Standard Factory Complete Bundle Contents

1. AIM-VPN/SSL-1 first-generation single-engine VPN cryptographic acceleration Advanced Integration Module internal edge-connector card
2. Anti-static ESD handling storage bag and protective foam packaging
3. Quick-start hardware installation guide covering ESD protection protocols, AIM slot insertion/removal procedures, IOS VPN acceleration feature activation configuration, IPsec tunnel group and AnyConnect SSL VPN profile setup command examples
4. Global regulatory compliance, safety, and electromagnetic interference (EMI) certification documentation packet

Core Integrated Functional Capabilities

1. Single Dedicated Independent Crypto Acceleration Engine: One isolated security processing co-processor fully offloads all CPU-intensive symmetric encryption, asymmetric public-key cryptography and secure hash authentication workloads for concurrent IPsec site-to-site and SSL AnyConnect remote access VPN tunnels, eliminating router general-purpose CPU bottlenecks under encrypted VPN traffic loads.
2. Full IPsec Site-to-Site VPN Hardware Offload Support: Hardware acceleration for all standard IPsec cryptographic primitives: AES-128/AES-192/AES-256, 3DES, DES symmetric encryption; SHA-1, MD5 integrity hash authentication; Diffie-Hellman DH1/DH2/DH5/DH7 key exchange; IKEv1 tunnel negotiation processing.
3. Full SSL (AnyConnect) Remote Access VPN Hardware Offload Support: Hardware acceleration for TLS 1.0/1.1 session establishment, RSA/ECDSA digital certificate authentication, AES/3DES TLS payload encryption, SHA hash integrity verification for AnyConnect Secure Mobility Client remote worker SSL VPN tunnels.
4. Moderate-Density Concurrent VPN Tunnel Scalability: By fully offloading all cryptographic processing to dedicated silicon, the AIM-VPN/SSL-1 increases the maximum number of simultaneous mixed IPsec site-to-site links and AnyConnect SSL remote access sessions supported by legacy ISR routers, compared to CPU-only VPN deployments without acceleration hardware.
5. Full Native IOS VPN Feature Compatibility: Seamless integration with the complete Cisco IOS VPN feature suite, including static/dynamic IPsec site-to-site tunnels, IKE keepalives, dead peer detection (DPD), AnyConnect SSL VPN group policies, split tunneling, full-tunnel remote access, PKI certificate-based authentication, pre-shared key authentication, and VPN QoS traffic marking.
6. Router Core Resource Preservation: Offloading all cryptographic workloads reserves the router’s primary general-purpose CPU for critical enterprise core network services: static/dynamic IP routing protocols (RIP, EIGRP, OSPF), stateful IOS zone-based firewall inspection, NAT/PAT address translation, VoIP voice call media processing, QoS traffic shaping and policing, AAA identity authentication and SNMP network performance monitoring.
7. Transparent Zero-Configuration Acceleration Operation: No complex manual traffic classification or policy modification required. The Cisco IOS VPN software stack automatically detects the installed AIM-VPN/SSL-1 acceleration module and transparently redirects all IPsec and SSL VPN cryptographic processing tasks to the dedicated hardware co-processor without disrupting existing production VPN tunnel and remote access policy configurations.
8. SNMP MIB Remote Monitoring Support: Implements standard Cisco VPN acceleration SNMP MIBs for remote network monitoring of AIM hardware operational status, crypto engine utilization percentage, total aggregate encrypted VPN throughput, active IPsec/SSL tunnel counters and hardware fault alarm reporting.

2. Hardware & Performance Specifications

Core Single Crypto Engine VPN Acceleration Performance

• Hardware Architecture: Single dedicated security co-processing engine on a single AIM module, connected to the router’s internal PCI-style backplane bus
• Supported Hardware-Accelerated Symmetric Encryption Algorithms: DES, 3DES, AES-128, AES-192, AES-256
• Supported Hardware-Accelerated Integrity Hash Algorithms: MD5, SHA-1
• Supported Hardware-Accelerated Public-Key & Key Exchange Algorithms: RSA (512/1024/2048-bit), ECDSA, Diffie-Hellman DH1, DH2, DH5, DH7
• Supported VPN Protocol Acceleration: IKEv1, IPsec ESP/AH tunnels, TLS 1.0/1.1 (AnyConnect SSL VPN)
• Typical Maximum Concurrent Tunnel Scalability (Single Engine Full Acceleration):
  • IPsec Site-to-Site Tunnels: Up to 500 concurrent tunnels
  • AnyConnect SSL Remote Access Sessions: Up to 250 concurrent remote worker tunnels
• Aggregate Encrypted VPN Throughput Rating: Up to 60 Mbps bidirectional combined IPsec/SSL encrypted VPN traffic throughput

Hardware Status Indicator Definitions

1. POWER Status LED: Solid green = AIM module receives stable power supply from the router’s internal backplane bus; off = No power detected, improperly seated module or hardware fault condition
2. ACT Activity LED: Blinking green = Active crypto acceleration workload processing (IPsec/SSL VPN encryption/decryption traffic); steady off = No active VPN tunnel cryptographic processing workload

Electrical & Thermal Specifications

Power Consumption

• Typical operating power draw under mixed IPsec + SSL VPN medium tunnel load: ~4 Watts
• Maximum full-load power consumption at peak 60 Mbps aggregate encrypted VPN throughput: ~7 Watts
• Power Delivery: Powered exclusively through the router chassis internal AIM slot backplane bus; no external power supply connectors mounted on the AIM module hardware

Thermal & Environmental Operating Parameters

• Certified Continuous Operating Temperature Range: 0°C to 40°C (32°F to 104°F) standard enterprise branch equipment room environment
• Extended Validated Short-Term Operating Temperature: 0°C to 55°C (32°F to 131°F)
• Storage & Transport Temperature Range: -40°C to 70°C (-40°F to 158°F)
• Operating Relative Humidity: 5% to 85% RH, non-condensing
• Storage Relative Humidity: 5% to 95% RH, non-condensing
• Operating Altitude: Certified operational range -150 m to 2,000 m (-500 ft to 6,500 ft); extended validated range up to 3,000 m (10,000 ft)
• Cooling Design: Fanless passive heat dissipation architecture without onboard cooling fans; cooling airflow supplied by the host legacy ISR router’s internal chassis fan assembly
• Airflow Direction: Internal horizontal chassis airflow passing over the AIM module passive heat sink

Physical Form Factor & Weight

• Form Factor: Standard low-profile internal AIM (Advanced Integration Module) edge-connector expansion card form factor, designed exclusively for internal dedicated AIM slots of legacy 1700/2600/3600/3700 series ISR routers
• Bare AIM Module Net Weight (without packaging, cables and accessories): Approximately 42 grams
• Physical Dimensions: Height 0.6 in, Width 2.8 in, Depth 3.6 in

3. Regulatory & Compliance Certifications

1. Safety Standards: UL 60950-1, CSA C22.2 No. 60950-1, EN 60950-1, IEC 60950-1, GB 4943 Chinese national safety standard
2. EMC & EMI Standards: FCC CFR Title 47 Part 15 Class A, VCCI Class A ITE, EN55022 Class A, CISPR 22 Class A, ICES-003 Class A, CISPR 24, EN 61000 series electromagnetic immunity standards
3. VPN Cryptographic Security Compliance: IPsec IETF RFC standards, TLS/SSL IETF RFC standards, FIPS 140-2 Level 1 cryptographic module compliance
4. Environmental Directive: EU RoHS hazardous substance restriction compliance

4. Core Deployment Advantages

1. Single Crypto Engine Compact Slot-Saving Acceleration Architecture: One dedicated security co-processor integrated within a single internal AIM expansion slot, eliminating the need for multiple separate acceleration modules for basic mixed IPsec and SSL VPN workloads. This design conserves limited internal router AIM slot resources and reduces hardware capital expenditure for small-to-medium branch VPN deployments with moderate tunnel capacity requirements.
2. Unified Concurrent IPsec + SSL VPN Hardware Offload: The single crypto engine simultaneously accelerates both IPsec site-to-site inter-branch VPN tunnels and AnyConnect SSL remote access worker tunnels, supporting hybrid mixed VPN deployment models widely adopted by small and mid-sized enterprises. All cryptographic processing is fully offloaded from the router’s main general-purpose CPU, eliminating CPU bottlenecks that limit concurrent tunnel count and encrypted WAN throughput on CPU-only VPN router deployments without acceleration hardware.
3. Cost-Effective Moderate VPN Scalability for Small-to-Mid Branch Networks: Hardware acceleration drastically increases the maximum number of concurrent IPsec site-to-site tunnels and AnyConnect SSL remote access sessions supported by compatible legacy ISR routers, delivering sufficient tunnel capacity for small branch office multi-site IPsec VPN architectures and limited-scale enterprise remote worker SSL VPN deployments, without the higher cost of the dual-engine AIM-VPN/SSL-2.
4. Router Main CPU Resource Preservation for Core Enterprise Services: By shifting all resource-intensive AES/3DES encryption, SHA hash authentication and RSA/DH key exchange cryptographic workloads to dedicated AIM crypto hardware, the router’s primary CPU remains available to process critical core enterprise network services: dynamic routing protocols, stateful IOS firewall inspection, NAT address translation, VoIP voice call processing, QoS traffic management and AAA user authentication. This prevents VPN tunnel encrypted traffic from starving other essential network services of critical CPU resources.
5. Transparent Zero-Configuration Acceleration Operation: The Cisco IOS VPN software stack automatically detects the installed AIM-VPN/SSL-1 acceleration module and transparently routes all IPsec and SSL VPN cryptographic tasks to the dedicated hardware co-processor. No manual traffic classification, policy modification or complex crypto tuning configurations are required to enable acceleration, preserving existing production VPN tunnel and remote access policy configurations without additional administrative rework.
6. Full Native Compatibility with Complete IOS VPN Feature Suite: The AIM acceleration hardware integrates seamlessly with all standard Cisco IOS VPN functionality, including static/dynamic IKEv1 IPsec tunnels, dead peer detection, PKI certificate authentication, AnyConnect SSL VPN group policies, split tunneling, full-tunnel remote access and VPN traffic QoS marking. All existing VPN feature licensing and policy management workflows remain fully unchanged after AIM module installation.
7. FIPS 140-2 Validated Cryptographic Module Security Compliance: The single-engine AIM-VPN/SSL-1 crypto module meets FIPS 140-2 Level 1 cryptographic security validation standards, satisfying strict cryptographic compliance requirements for government, financial services, healthcare and other regulated enterprise network deployments handling sensitive confidential business data transmitted over encrypted VPN tunnels.
8. Fanless Passive Cooling High-Reliability Low-Maintenance Architecture: The AIM module utilizes a fanless passive heat sink cooling design with zero moving mechanical fan components, eliminating mechanical hardware failure risks and enabling stable 24/7 continuous unattended router operation in remote unmanned branch equipment closets with minimal long-term on-site maintenance requirements. Low idle and full-load power consumption reduces overall router chassis energy draw and enterprise branch site cooling operational energy costs.

Supplementary Product Specification Notes

UNSPSC Classification Code

K9 Security Compliance Note

Factory Hardware Warranty Terms