Cisco ASA 5505 - Manual (Page 213)

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Cisco ASA 5500 Series Configuration Guide using the CLI
Chapter 5 Configuring Multiple Context Mode
Guidelines and Limitations
Guidelines and Limitations
This section includes the guidelines and limitations for this feature.
Firewall Mode Guidelines
Supported in routed and transparent firewall mode.
Failover Guidelines
Active/Active mode failover is only supported in multiple context mode.
IPv6 Guidelines
Supports IPv6.
Model License Requirement
ASA 5505 No support.
ASA 5510 Security Plus License: 2 contexts.
Optional license: 5 contexts.
ASA 5520 Base License: 2 contexts.
Optional licenses: 5, 10, or 20 contexts.
ASA 5540 Base License: 2 contexts.
Optional licenses: 5, 10, 20, or 50 contexts.
ASA 5550 Base License: 2 contexts.
Optional licenses: 5, 10, 20, 50, or 100 contexts.
ASA 5580 Base License: 2 contexts.
Optional licenses: 5, 10, 20, 50, 100, or 250 contexts.
ASA 5512-X No support.
ASA 5515-X Security Plus License: 2 contexts.
Optional license: 5 contexts.
ASA 5525-X Base License: 2 contexts.
Optional licenses: 5, 10, or 20 contexts.
ASA 5545-X Base License: 2 contexts.
Optional licenses: 5, 10, 20, or 50 contexts.
ASA 5555-X Base License: 2 contexts.
Optional licenses: 5, 10, 20, 50, or 100 contexts.
ASA 5585-X with
SSP-10 Base License: 2 contexts.
Optional licenses: 5, 10, 20, 50, or 100 contexts.
ASA 5585-X with
SSP-20, -40, and -60 Base License: 2 contexts.
Optional licenses: 5, 10, 20, 50, 100, or 250 contexts.