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memory in ES4700 series.
SDRAM:
RAM memory in the switch, used for system software operation and
configuration sequence storage.
FLASH:
Flash memory used to save system file and configuration file
System file:
including system image file and boot file.
System image file:
refers to the compressed file for switch hardware driver and software
support program, usually refer to as IMG upgrade file. In ES4700 series, the system
image file is allowed to save in FLASH only. ES4700 series mandates the name of
system image file to be uploaded via FTP in Global Mode to be nos.img, other IMG
system files will be rejected.
Boot file:
refers to the file initializes the switch, also referred to as the ROM upgrade file
(Large size file can be compressed as IMG file). In ES4700 series, the boot file is allowed
to save in ROM only. ES4700 series mandates the name of the boot file to be boot.rom.
Configuration file:
including start up configuration file and active configuration file. The
distinction between start up configuration file and active configuration file can facilitate the
backup and update of the configurations.
Start up configuration file:
refers to the configuration sequence used in switch start up.
ES4700 series start up configuration file stores in FLASH only, corresponding to the so
called configuration save. To prevent illicit file upload and easier configuration, ES4700
series mandates the name of start up configuration file to be startup-config.
Active configuration file:
refers to the active configuration sequence use in the switch.
In ES4700 series, the active configuration file stores in the RAM. In the current version,
the active configuration sequence running-config can be saved from the RAM to FLASH
by
write
command or
copy running-config startup-config
command, so that the active
configuration sequence becomes the start up configuration file, which is called
configuration save. To prevent illicit file upload and easier configuration, ES4700 series
mandates the name of active configuration file to be running-config.
Factory configuration file:
The configuration file shipped with ES4700 series in the
name of factory-config. Run
set default
and
write
, and restart the switch, factory
configuration file will be loaded to overwrite current start up configuration file.
2.5.3.2 FTP/TFTP Configuration
The configurations of ES4700 series as FTP and TFTP clients are almost the same,
so the configuration procedures for FTP and TFTP are described together in this manual.
2.5.3.2.1 FTP/TFTP Configuration Task List
1. FTP/TFTP client configuration
Upload/download the configuration file or system file.
（
1
）
For FTP client, server file list can be checked.
