ZyXEL Communications P-2602HWLNI, User Manual, Page: 415 / 496

Chapter 29 Tools
P-2602HWLNI User’s Guide
415
1 Use telnet from your computer to connect to the ZyXEL Device and log in. Because
TFTP does not have any security checks, the ZyXEL Device records the IP address of
the telnet client and accepts TFTP requests only from this address.
2 Enter command “
sys stdio 0
” to disable the management idle timeout, so the TFTP
transfer will not be interrupted. Enter command “
sys stdio 5”
to restore the five-
minute management idle timeout (default) when the file transfer is complete.
3 Launch the TFTP client on your computer and connect to the ZyXEL Device. Set the
transfer mode to binary before starting data transfer.
4 Use the TFTP client (see the example below) to transfer files between the ZyXEL
Device and the computer. The file name for the configuration file is “
rom-0
” (rom-zero,
not capital o).
Note that the telnet connection must be active before and during the TFTP transfer. For details
on TFTP commands (see following example), please consult the documentation of your TFTP
client program. For UNIX, use “
get
” to transfer from the ZyXEL Device to the computer and
“binary” to set binary transfer mode.
29.7.5 TFTP Command Configuration Backup Example
The following is an example TFTP command:
tftp [-i] host get rom-0 config.rom
where “
i
” specifies binary image transfer mode (use this mode when transferring binary files),
“
host
” is the ZyXEL Device IP address, “
get
” transfers the file source on the ZyXEL Device
(
rom-0
, name of the configuration file on the ZyXEL Device) to the file destination on the
computer and renames it config.rom.
29.7.6 Configuration Backup Using GUI-based TFTP Clients
The following table describes some of the fields that you may see in GUI-based TFTP clients.
Refer to Section 29.3 on page 408 to read about configurations that disallow TFTP and FTP
over WAN.
Table 180 General Commands for GUI-based TFTP Clients
COMMAND DESCRIPTION
Host Enter the IP address of the ZyXEL Device. 192.168.1.1 is the ZyXEL Device’s default IP
address when shipped.
Send/Fetch Use “Send” to upload the file to the ZyXEL Device and “Fetch” to back up the file on your
computer.
Local File Enter the path and name of the firmware file (*.bin extension) or configuration file (*.rom
extension) on your computer.
Remote File This is the filename on the ZyXEL Device. The filename for the firmware is “ras” and for
the configuration file, is “rom-0”.
Binary Transfer the file in binary mode.
Abort Stop transfer of the file.