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Cisco ASA Series CLI Configuration Guide
Chapter 1 Configuring Multiple Context Mode
Configuring Multiple Contexts
Enabling or Disabling Multiple Context Mode
Your ASA might already be configured for multiple security contexts depending on how you ordered it
from Cisco. If you need to convert from single mode to multiple mode, follow the procedures in this
section.
This section includes the following topics:
• Enabling Multiple Context Mode, page 1-16
• Restoring Single Context Mode, page 1-16
Enabling Multiple Context Mode
When you convert from single mode to multiple mode, the ASA converts the running configuration into
two files: a new startup configuration that comprises the system configuration, and admin.cfg that
comprises the admin context (in the root directory of the internal flash memory). The original running
configuration is saved as old_running.cfg (in the root directory of the internal flash memory). The
original startup configuration is not saved. The ASA automatically adds an entry for the admin context
to the system configuration with the name “admin.”
Prerequisites
Back up your startup configuration. When you convert from single mode to multiple mode, the ASA
converts the running configuration into two files. The original startup configuration is not saved. See the
“Backing Up Configurations or Other Files” section on page 1-16.
Detailed Steps
Restoring Single Context Mode
To copy the old running configuration to the startup configuration and to change the mode to single
mode, perform the following steps.
Prerequisites
Perform this procedure in the system execution space.
Command Purpose
mode multiple
Example:
hostname(config)# mode multiple
Changes to multiple context mode. You are prompted to reboot the ASA.
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