P-660R-Tx v3 Series Support Notes
7
All contents copyright © 2008 ZyXEL Communications Corporation.
for you. Please read the firmware release note carefully when you want to
upload a new firmware.
3. How do I restore P-660R-Tx v3 configurations by using TFTP client
program via LAN?
a. Use the TELNET client program in your PC to login to your P-660R-Tx
v3.
b. Enter CI command
'sys stdio 0'
disable Stdio idle timeout
c. To backup the P-660R-Tx v3 configurations, use TFTP client program
to get file
'rom-0'
from the P-660R-Tx v3.
d. To restore the P-660R-Tx v3 configurations, use the TFTP client
program to put your configuration in file
rom-0
in the P-660R-Tx v3.
4. What should I do if I forget the system password?
In case you forget the system password, you can erase the current
configuration and restore factory defaults this way:
Use the
RESET button
on the rear panel of P-660R-Tx v3 to reset the router.
After the router is reset, the LAN IP address will be reset to
'192.168.1.1',
the
password will be
reset to „
1234
‟.
5. How to use the Reset button?
a. Turn your P-660R-Tx v3 on. Make sure the
POWER
led is on (not
blinking)
b. Press the
RESET
button for ten seconds and then release it. If the
POWER
LED begins to blink, the default configuration has been
restored and the P-660R-Tx v3 restarts.
6. What is SUA? When should I use SUA?
SUA (Single User Account) is a unique feature supported by P-660R-Tx v3
router which allows multiple people to access Internet concurrently for the cost
of a single user account.
When P-660R-Tx v3 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 P-660R-Tx v3 using the IP address assigned by ISP. When
reply packets from the external Internet are received by P-660R-Tx v3, the
original IP source address and TCP/UDP source port numbers are written into
