Maximum Interfaces for Unrestricted License
Cisco Secure PIX Model Total Interfaces Physical Interfaces Logical Interfaces
501 2 2 Not supported
506E 2 2 Not supported
515E 10 6 25
525 12 8 100
535 24 10 150
Table 11-4 Maximum Interfaces for ASA Security Appliances Base License
Cisco ASA Security Model Physical Interfaces Logical Interfaces
5510 5 0
5520 5 25
5540 5 100
Table 11-5 Maximum Interfaces for ASA Security Appliances Security Plus
Cisco ASA Security Model Physical Interfaces Logical Interfaces
5510 5 10
5520 5 25
5540 5 100
NOTE The maximum number of logical interfaces that you can use is equal to the total
number of interfaces available minus the total number of physical interfaces that you
currently have configured on your PIX Firewall.