Cisco ASA5540-AIP20-K9 Firewall with Advanced IPS

What It Is

The Cisco ASA5540-AIP20-K9 is a purpose-built enterprise firewall appliance from the Cisco ASA 5500 series, integrating the Advanced Inspection and Prevention Security Services Module (AIP-SSM-20) for intrusion prevention and advanced threat control. Designed for high-availability deployments, this model delivers stateful inspection and VPN services in a compact 1U form factor, suitable for mid-to-large network perimeters. It combines firewall, IPS, and VPN functionality into a single hardware platform.

Technical Details

• Model: ASA5540-AIP20-K9
• Chassis: ASA 5540 Appliance with integrated AIP-SSM-20 module
• Software: Includes security software, high availability (HA) support
• Ports: 4x Gigabit Ethernet (GE) + 1x Fast Ethernet (FE)
• Encryption: 3DES/AES
• Security Module: AIP-SSM-20 for intrusion prevention and inspection
• Form Factor: Rack-mountable appliance

Configuration & Options

• Standard configuration includes the ASA 5540 chassis, AIP-SSM-20 module, and software license
• Alternative version available: ASA5540-AIP20-K8 (DES encryption only)
• For higher IPS capacity, the ASA5540-AIP40-K8 and ASA5540-AIP40-K9 variants are available (AIP-SSM-40 module)
• High availability (HA) feature is pre-enabled for redundant firewall pairs

Operating Conditions

This firewall is deployed as a primary or secondary security gateway in enterprise data centers, internet edge, and campus core environments. It operates in 24/7 continuous duty scenarios where inline intrusion prevention and encrypted VPN termination are required. The appliance is suited for network segments handling high traffic volumes, providing concurrent firewall and IPS inspection without external security appliances.