Licensing Requirements For Multiple Context Mode; Guidelines And Limitations - Cisco ASA 5505 Configuration Manual

Licensing Requirements for Multiple Context Mode

A2xx.yyzz.zzzz
Where xx.yy is a user-defined prefix, and zz.zzzz is an internal counter generated by the adaptive security
appliance. For the standby MAC address, the address is identical except that the internal counter is
increased by 1.
For an example of how the prefix is used, if you set a prefix of 77, then the adaptive security appliance
converts 77 into the hexadecimal value 004D (yyxx). When used in the MAC address, the prefix is
reversed (xxyy) to match the adaptive security appliance native form:
A24D.00zz.zzzz
For a prefix of 1009 (03F1), the MAC address is:
A2F1.03zz.zzzz
Licensing Requirements for Multiple Context Mode
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, 5550, and Base License: 2 contexts.
5580
Optional licenses: 5, 10, 20, or 50 contexts.

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 Guidelines
Does not support the ASA 5505.
Unsupported Features
Multiple context mode does not support the following features:
Cisco ASA 5500 Series Configuration Guide using ASDM
6-12
Chapter 6 Configuring Multiple Context Mode
OL-20339-01