/export file=firewall-only from=filter /export file=interfaces-only from=interface /export file=dhcp-only from=dhcp-server,dhcp-client

When importing a large .rsc file, always use Safe Mode (Ctrl+X in WinBox). If the script contains an error that cuts your connection, the router will automatically rollback the changes, preventing you from being locked out.

A professional setup doesn't rely on a single file stored on the router's internal flash memory. If the flash chips fail, your backup dies with the device. Here is the optimized workflow: Step A: Encryption is Mandatory