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Log into the admin context using SSH or Telnet, and then switch to the system execution space. Access the security appliance via the console or the auxiliary port.To access the system execution space, you can do either of the following: Step 2: Setting Up the System Execution SpaceĪs mentioned earlier, the system execution space is created as soon as multiple mode is enabled. Reverting to Single-Mode Firewall Chicago# copy disk0:/old_running.cfg startup-configĬhicago# configure terminal Chicago(config)# mode single Both of these steps are shown in Example 9-4. After that, you need to switch the security appliance to single mode. To convert the device back to single mode, you have to copy the saved old_running.cfg as the startup configuration. Refer to Chapter 4, "Initial Setup and System Maintenance," for more information about licensing.
#Cisco asa asdm system reload license#
If you do not have the license for multiple security contexts, the system key still lets you configure two customer contexts, in addition to one admin context. During conversion, it copies all the network-related information to the admin.cfg file, while all the device-related system information is stored in the NVRAM space. The appliance stores the system execution space in NVRAM and saves the admin context in the local Flash memory as admin.cfg. When multiple-mode conversion is initiated, the security appliance prompts the administrator to convert the current running configuration into the system execution space and admin context. INFO: Admin context will take some time to come up. INFO: Context admin was created with URL disk0:/admin.cfg The new running configuration file was written to disk0 The admin context configuration will be written to disk0
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The old running configuration file will be written to disk0 Proceed with change mode? Convert the system configuration? WARNING: This command will initiate a Reboot WARNING: This command will change the behavior of the device Single Single mode mode without security contexts Multiple Multiple mode mode with security contexts Enabling Security Context Chicago# configure terminal This initiates the reboot process to complete mode conversion. When this command is executed, the security appliance prompts the system administrator to verify mode conversion before proceeding further. The security context can be enabled by using the mode multiple command, as shown in Example 9-2. Step 1: Enabling Multiple Security Contexts Globally
#Cisco asa asdm system reload how to#
Refer to Figure 9-3 throughout this section to visualize how to configure a virtual firewall.