Cisco ASA 5540 Appliance Review

The Cisco ASA 5540 is an extremely flexible firewall. Designed to replace the PIX 525 and 535 series firewalls, the ASA 5540 is smaller, faster, and more rebust for less money.

Capable of up to 650Mps throughput and 500 Mpbs firewall and IPs throughput using the included AIP 20 SSM. This firewall is perfect for just about any enterprise organization and will last for the next three to seven years.

Cisco ASA 5540 Adaptive Security Appliance Platform Capabilities and Capacities

Feature Description
Firewall Throughput Up to 650 Mbps
Maximum Firewall and IPS Throughput

• Up to 500 Mbps with AIP-SSM-20

• Up to 650 Mbps with AIP-SSM-40
VPN Throughput Up to 325 Mbps
Concurrent Sessions 400,000
IPsec VPN Peers 5000
SSL VPN Peer License Levels* 2, 10, 25, 50, 100, 250, 500, 750, 1000, and 2500
Security Contexts Up to 50*
Interfaces 4 Gigabit Ethernet ports and 1 Fast Ethernet port
Virtual Interfaces (VLANs) 200
Scalability VPN clustering and load balancing
High Availability Active/Active**, Active/Standby

*Separately licensed feature; includes two with base system
**Available for the firewall feature set
Note: Performance numbers tested and validated with the ASA 7.2 Software Release


About Joe

Senior Network Engineer, technology enthusiast, guitar and bass player. Joe Wilson is the creator of as well as other niche websites that can be found around on the Internets.

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