A-4
Cisco Security Appliance Command Line Configuration Guide
OL-10088-01
Appendix A Feature Licenses and Specifications
Supported Platforms and Feature Licenses
Table A-3 ASA 5520 Adaptive Security Appliance License Features
ASA 5520 Base License
Users, concurrent Unlimited Unlimited
Security Contexts 2
Optional Licenses:
5 10 20
VPN Sessions
1
1. Although the maximum IPSec and WebVPN sessions add up to more than the maximum VPN sessions, the combined sessions should not exceed the VPN
session limit. If you exceed the maximum VPN sessions, you can overload the security appliance, so be sure to size your network appropriately.
750 combined IPSec and WebVPN
Max. IPSec Sessions 750
Max. WebVPN
Sessions
2
Optional Licenses:
10 25 50 100 250 500 750
VPN Load Balancing Supported
Failover Active/Standby or Active/Active
GTP/GPRS None
Optional license: Enabled
Max. VLANs 100
Concurrent Firewall Conns
2
2. The concurrent firewall connections are based on a traffic mix of 80% TCP and 20% UDP, with 1 host and 1 dynamic translation for every 4 connections.
280 K
Max. Physical Interfaces Unlimited
Encryption Base (DES)
Optional license: Strong (3DES/AES)
Min. RAM 512 MB
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