Final answer:
The upgrade_import command in R77 does not restore certain items such as static routes, host name, timezone, OS password files, system logs, and Certificate Revocation Lists (CRLs). It's crucial to manually back these up before starting the restoration process.
Step-by-step explanation:
The command upgrade_import in R77 is used to restore system and product configurations from an exported configuration file. However, not all items are restored during this process. The items NOT restored include:
- Static routes configured via operating system
- Operating system's host name
- Time and timezone configuration
- OS password and shadow files
- System logs, i.e., messages, audit logs, etc.
- Certificate Revocation Lists (CRLs)
Please note that it is essential to backup these components manually before initiating restore process using upgrade_import command.
Learn more about upgrade_import