Tакая возможность добавлена с версии FW 1.20

Backup:
upload src /nvram/system/primcfg dest <filename> ip <ipaddress> [mode tftp]
upload src /nvram/system/seccfg dest <filename> ip <ipaddress> [mode tftp]

Восстановление:
download src <filename> dest /nvram/system/primcfg ip <ipaddress> [mode tftp]
download src <filename> dest /nvram/system/seccfg ip <ipaddress> [mode tftp]

Применение восстановленных файлов:
1. "reboot config last" to boot from the primary cfg
2. "reboot config backup" to boot from secondary cfg