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A-4
Cisco ASDM User Guide
OL-16647-01
Appendix A Feature Licenses
ASA 5540 Feature Licenses
ASA 5540 Feature Licenses
ASA 5550 Feature Licenses
Table A-4 ASA 5540 Adaptive Security Appliance License Features
ASA 5540
Base License
Users, concurrent Unlimited Unlimited
Security Contexts 2
Optional licenses:
5 10 20 50
VPN Sessions
1
1. Although the maximum IPSec and Clientless SSL VPN 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.
5000 combined IPSec and Clientless SSL VPN
Max. IPSec Sessions 5000
Max. Clientless SSL
VPN Sessions
2
Optional Licenses:
10 25 50 100 250 500 750 1000 2500
VPN Load Balancing Supported
TLS Proxy for SIP and
Skinny Inspection
Supported
Failover Active/Standby or Active/Active
GTP/GPRS None
Optional license: Enabled
Max. VLANs 200
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.
400 K
Max. Physical Interfaces Unlimited
Encryption Base (DES)
Optional license: Strong (3DES/AES)
Min. RAM 1 GB (default)
Table A-5 ASA 5550 Adaptive Security Appliance License Features
ASA 5550
Base License
Users, concurrent Unlimited
Security Contexts 2
Optional licenses:
5 10 20 50
VPN Sessions
1
5000 combined IPSec and Clientless SSL VPN
Max. IPSec Sessions 5000
Max. Clientless SSL
VPN Sessions
2
Optional Licenses:
10 25 50 100 250 500 750 1000 2500 5000