Cisco ASA 5540-BUN-K9 Next-Gen Firewall

Equipment Overview

The Cisco ASA5540-BUN-K9 is a purpose-built network firewall appliance from the Cisco ASA 5500 series, designed for enterprise perimeter security and high-availability deployments. It integrates firewall services with high-performance packet processing, supporting both stateful inspection and VPN gateway functions. The unit is supplied with software, high-availability (HA) capability, and a fixed port configuration of four Gigabit Ethernet (4GE) plus one Fast Ethernet (1FE) interface. This model is equipped with 3DES/AES encryption, making it suitable for secure remote access and site-to-site VPN traffic.

Main Parameters

• Model / MPN: ASA5540-BUN-K9
• Form Factor: ASA 5540 Appliance
• Encryption: 3DES/AES
• Port Configuration: 4 x Gigabit Ethernet (4GE) + 1 x Fast Ethernet (1FE)
• Included Software: Cisco ASA Security Appliance software
• High Availability (HA): Supported
• Product Family: Cisco ASA 5500 Series

Key Advantages

The ASA5540-BUN-K9 is selected for enterprise projects requiring robust firewall throughput with integrated failover capabilities via HA support. Its fixed 4GE+1FE port layout provides adequate connectivity for medium-to-large network segments without modular expansion complexity. The inclusion of 3DES/AES encryption ensures compliance with secure communication standards, particularly for VPN termination and encrypted traffic inspection. This model balances performance and reliability for sustained perimeter defense in demanding operational environments.

Compatibility & Integration

The appliance operates within the Cisco ASA 5500 series ecosystem and integrates with standard network infrastructure via Gigabit Ethernet and Fast Ethernet interfaces. It supports industry-standard IP networking protocols and is compatible with Cisco security management platforms for centralized configuration and monitoring. The device adheres to common enterprise networking standards, ensuring interoperability with existing routing and switching environments.