ZyXEL Communications P-2302HWUDL-P1 Series, Поддержка заметок

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P2302HWUDL-P1 Support Notes
All contents Copyright

2007 ZyXEL Communications Corporation.
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c. Press "Configuration" tab.
d. Press "Backup" button, a pop up windows will ask you where to store the back up rom file.
e. Press "Save file" and browse to where you want the file be save.
f. Press "Save" button.
How do I backup/restore configurations by using FTP client program via LAN?
a. Use the FTP client program in your PC (such as cuteftp, wsftp client) to login to your ZyXEL Device.
b. To backup the configurations, use FTP client program to get file 'rom-0' from the ZyXEL Device.
c. To restore the configurations, use the FTP client program to put your configuration in file ROM-0 in the
ZyXEL Device.
Why can't I make Telnet to The ZyXEL Device from WAN?
There are three possible reasons that Telnet from WAN is blocked.
a. You have not enable Telnet service on WAN interface in Menu 24.11.
b. Telnet service is enabled but your host IP is not the secured host entered in Menu 24.11. In this case, the
error message 'Client IP is not allowed!' will appear on the Telnet screen.
c. The default filter rule 3 (Telnet_FTP_WAN) is applied in the Input Protocol field in menu 11.5.
What should I do if I forget the system password?
In case you forget the system password. You can reset the unit back to factory default. You can reset the
unit by using a sharp pointed object such as a pen and press and hold down the “reset” button for 5 second or
until the power LED starts to blink than release. The unit is than reset back to factory default. The reset
button is located near by the power jack on the unit back panel.
Note: By reset the unit back to factory default you will lost all your previous settings.
What is SUA? When should I use SUA?
SUA (Single User Account) is a unique feature supported by the ZyXEL Device which allows multiple people
to access Internet concurrently for the cost of a single user account.
When The ZyXEL Device acting as SUA receives a packet from a local client destined for the outside Internet,
it replaces the source address in the IP packet header with its own address and the source port in the TCP or
UDP header with another value chosen out of a local pool. It then recomputed the appropriate header
checksums and forwards the packet to the Internet as if it is originated from The ZyXEL Device using the IP