Cisco ASA 5550-BUN-K9 Firewall for Enterprise Networks

Equipment Overview

The Cisco ASA5550-BUN-K9 is a dedicated firewall appliance from the Cisco ASA 5500 series, engineered for enterprise perimeter security and high-availability deployments. This unit integrates eight Gigabit Ethernet ports and one Fast Ethernet management interface, delivering robust throughput for demanding network environments. It ships with embedded security software, high-availability (HA) support, and 3DES/AES encryption capabilities, making it suitable for securing core data center and campus traffic. The appliance is designed to enforce access control policies, VPN termination, and threat inspection across distributed enterprise networks.

Main Parameters

• Model / MPN: ASA5550-BUN-K9
• Brand: Cisco
• Form Factor: ASA 5550 Appliance
• Network Interfaces: 8x Gigabit Ethernet (8GE) + 1x Fast Ethernet (1FE)
• Encryption: 3DES/AES
• Software: Included firewall software (SW)
• High Availability: Supported (HA)

Key Advantages

This model is selected for enterprise projects due to its integrated high-availability functionality, which minimizes service disruption during failover events. The combination of 8GE ports and 3DES/AES encryption provides a balanced mix of interface density and cryptographic performance for site-to-site VPN and encrypted traffic inspection. Its standalone appliance form factor simplifies deployment and reduces rack-space overhead compared to modular chassis solutions.

Compatibility & Integration

The Cisco ASA5550-BUN-K9 operates within the Cisco ASA 5500 series ecosystem, supporting standard enterprise networking protocols and management platforms. It integrates with Cisco security management tools and existing routed/switched infrastructures, adhering to industry-standard Ethernet and IPsec VPN implementations. The unit is compatible with redundant power and network topologies, leveraging its HA capability for active/standby or active/active configurations in mission-critical environments.