ZyXEL P-791R v2 Guia Do Utilizador

P-791R v2 Support Notes

FAQ

ZyNOS FAQ

1. What is ZyNOS?

ZyNOS is ZyXEL's proprietary Network Operating System. It is the platform on
all P-791R v2 routers that delivers network services and applications. It is
designed in a modular fashion so it is easy for developers to add new features.
New ZyNOS software upgrades can be easily downloaded from our FTP sites
as they become available.

2. How do I access the P-791R v2 SMT menu?

The SMT interface is a menu driven interface, which can be accessed via a
console or a Telnet connection. To access the P-791R v2 via SMT console
port, a computer equipped with communication software such as
HyperTerminal must be configured to the following parameters.

VT100 terminal emulation

9600bps baud rate

N81 data format (No Parity, 8 data bits, 1 stop bit)

The default console port baud rate is 9600bps, you can change it to
115200bps in Menu 24.2.2 to speed up access of the SMT.

3. How do I upload the ZyNOS firmware code via console?

The procedure for uploading via console is as follows.

(1) Enter debug mode when powering on the P-791R v2 using a terminal

emulator

(2)  Enter 'ATUR' to start the uploading
(3)  Use X-modem protocol to transfer the ZyNOS code
(4)  Enter 'ATGO' to restart the P-791R v2

4. How do I upgrade/backup the ZyNOS firmware by using TFTP client

program via LAN?

The P-791R v2 allows you to transfer the firmware from/to P-791R v2 by using
TFTP program via LAN. The procedure for uploading via TFTP is as follows.

(1) Use the TELNET client program in your PC to login to your P-791R v2,

and use Menu 24.8 to enter CI command 'sys stdio 0' to disable
console idle timeout