Table 4. Cisco ASA 5540 Adaptive Security Appliance Platform Capabilities and Capacities
Feature
Description
Firewall throughput
Up to 650 Mbps
Concurrent threat mitigation throughput (firewall + IPS services)
Up to 450 Mbps with AIP-SSM-20
VPN throughput
Up to 325 Mbps
Concurrent sessions
400,000
IPsec VPN peers
5000
SSL VPN peer license levels*
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