Cisco Cisco ASA 5515-X Adaptive Security Appliance - No Payload Encryption Guía De Instalación
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Cisco ASA 5500 Migration to Version 8.3
OL-22176-01
Information About Migration
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Migrated Features
The major changes in Version 8.3 that require migration are as follows:
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Real IP addresses in access lists, where access lists are used in supported features—When using
NAT or PAT, you used to have to specify the mapped addresses and ports in an access list for all
features that use access lists. Now, for several supported features, you must use the real, untranslated
IP address and ports. (Other features continue to use the mapped IP address).
NAT or PAT, you used to have to specify the mapped addresses and ports in an access list for all
features that use access lists. Now, for several supported features, you must use the real, untranslated
IP address and ports. (Other features continue to use the mapped IP address).
•
NAT—The NAT feature has been redesigned for increased flexibility and functionality. All NAT and
NAT-related commands have been redesigned.
NAT-related commands have been redesigned.
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Named Network and Service Objects—Network and service objects are automatically created for
NAT.
NAT.
Note
Although you can use named network and service objects in other features, such as access
lists and object groups, objects are not automatically created for any feature other than NAT.
lists and object groups, objects are not automatically created for any feature other than NAT.
When upgrading from 8.3 or 8.4(1) to 8.4(2), migration for static identity NAT will occur to preserve
existing functionality. See the
existing functionality. See the
for more information.
Automatic Backup of the Old Configuration, NAT Migration File,
Bootup Error Log
Bootup Error Log
The old startup configuration is automatically saved in flash memory. The NAT migration file and the
bootup error log, which includes any migration messages, is automatically saved to flash memory as
well.
bootup error log, which includes any migration messages, is automatically saved to flash memory as
well.
This section includes the following topics:
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Backup Configuration Files
The following old startup configuration files are saved in flash memory:
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Single mode configuration file or multiple mode system
configuration—disk0:major_minor_maint_interim_startup_cfg.sav where
major_minor_maint_interim is the old OS version number.
configuration—disk0:major_minor_maint_interim_startup_cfg.sav where
major_minor_maint_interim is the old OS version number.
For example, 8_2_1_0_startup_cfg.sav.
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Multiple mode context configuration (if present in flash
memory)—disk0:major_minor_maint_interim_context_cfg.sav where
major_minor_maint_interim is the old OS version number and context is the context name.
memory)—disk0:major_minor_maint_interim_context_cfg.sav where
major_minor_maint_interim is the old OS version number and context is the context name.
For example, 8_2_1_0_context1_cfg.sav.