ZyXEL Communications P-793H User Manual
Chapter 34 Firmware and Configuration File Maintenance
P-793H User’s Guide
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34.3.4 GUI-based FTP Clients
The following table describes some of the commands that you may see in GUI-based FTP
clients.
clients.
34.3.5 File Maintenance Over WAN
TFTP, FTP and Telnet over the WAN will not work when:
1 The firewall is active (turn the firewall off in menu 21.2 or create a firewall rule to allow
access from the WAN).
2 You have disabled Telnet service in menu 24.11.
3 You have applied a filter in menu 3.1 (LAN) or in menu 11.5 (WAN) to block Telnet
3 You have applied a filter in menu 3.1 (LAN) or in menu 11.5 (WAN) to block Telnet
service.
4 The IP you entered in the Secured Client IP field in menu 24.11 does not match the
client IP. If it does not match, the ZyXEL Device will disconnect the Telnet session
immediately.
immediately.
5 You have an SMT console session running.
34.3.6 Backup Configuration Using TFTP
The ZyXEL Device supports the up/downloading of the firmware and the configuration file
using TFTP (Trivial File Transfer Protocol) over LAN. Although TFTP should work over
WAN as well, it is not recommended.
To use TFTP, your computer must have both telnet and TFTP clients. To backup the
configuration file, follow the procedure shown next.
using TFTP (Trivial File Transfer Protocol) over LAN. Although TFTP should work over
WAN as well, it is not recommended.
To use TFTP, your computer must have both telnet and TFTP clients. To backup the
configuration file, follow the procedure shown next.
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.
the telnet client and accepts TFTP requests only from this address.
2 Put the SMT in command interpreter (CI) mode by entering 8 in Menu 24 – System
Maintenance.
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.
(default) when the file transfer is complete.
Table 125 General Commands for GUI-based FTP Clients
COMMAND
DESCRIPTION
Host Address
Enter the address of the host server.
Login Type
Anonymous.
This is when a user I.D. and password is automatically supplied to the server
This is when a user I.D. and password is automatically supplied to the server
for anonymous access. Anonymous logins will work only if your ISP or
service administrator has enabled this option.
Normal.
The server requires a unique User ID and Password to login.
Normal.
The server requires a unique User ID and Password to login.
Transfer Type
Transfer files in either ASCII (plain text format) or in binary mode.
Configuration and firmware files should be transferred in binary mode
Initial Remote Directory
Specify the default remote directory (path).
Initial Local Directory
Specify the default local directory (path).