Cisco ASA5550-BUN-K9 Network Security Appliance

The Cisco ASA5550-BUN-K9 Adaptive Security Appliance provides up to 1.2 Gbps firewall throughput and 425 Mbps VPN throughput, making it a high-capacity perimeter firewall for enterprise networks. It includes a 4GE-SSM security services module, 4 GB of flash, and 256 MB of memory to support firewall inspection, VPN encryption, and traffic management, with a rack-mountable form factor and multiple Gigabit Ethernet interfaces with expansion options. VPN support covers IPsec and SSL VPN, and security features include stateful inspection, NAT, ACLs, and intrusion prevention support, handling up to 650,000 concurrent sessions and up to 5,000 IPsec VPN peers, managed via Cisco ASDM and CLI. Commonly deployed in corporate data centers, enterprise perimeters, and high-capacity security gateways to enforce security policies and provide secure remote access for distributed users and branch offices; common replacements include ASA5525-X, ASA5545-X, and Cisco Firepower 2110.