ZyXEL Communications 782M User Manual
P782M G.SHDSL Bridge
Step 1. Use telnet from your computer to connect to the Prestige and log in. Because TFTP does not
have any security checks, the Prestige records the IP address of the telnet client and accepts
TFTP requests only from this address.
TFTP requests only from this address.
Step 2. Put the SMT in command interpreter (CI) mode by entering 8 in Menu 24 — System
Maintenance.
Step 3. Enter command “sys stdio 0” to disable the SMT timeout, so the TFTP transfer will not be
interrupted. Enter command “sys stdio 5” to restore the five-minute SMT timeout (default) when
the file transfer is complete.
the file transfer is complete.
Step 4. Launch the TFTP client on your computer and connect to the Prestige. Set the transfer mode to
binary before starting data transfer.
Step 5. Use the TFTP client (see the example below) to transfer files between the Prestige 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 and the SMT in CI mode 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 Prestige to the computer and “binary” to set
binary transfer mode.
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 Prestige to the computer and “binary” to set
binary transfer mode.
8.2.6 TFTP Command 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
Prestige IP address, “get” transfers the file source on the Prestige (rom-0, name of the configuration file on
the Prestige) to the file destination on the computer and renames it config.rom.
Prestige IP address, “get” transfers the file source on the Prestige (rom-0, name of the configuration file on
the Prestige) to the file destination on the computer and renames it config.rom.
8.2.7 GUI—based TFTP Clients
The following table describes some of the fields that you may see in GUI-based TFTP clients.
Table 8-3 General Commands for GUI-based TFTP Clients
COMMAND
DESCRIPTION
Host
Enter the IP address of the Prestige. 192.168.1.1 is the Prestige’s default IP address
when shipped.
when shipped.
Send/Fetch
Use “Send” to upload the file to the Prestige and “Fetch” to back up the file on your
computer.
computer.
Local File
Enter the path and name of the firmware file (*.bin extension) or configuration file (*.rom
extension) on your computer.
extension) on your computer.
Firmware and Configuration File Maintenance
8-5