ZyXEL P-660HN-T1A Support Guide - Page 7

What is SUA? When should I use SUA? - t1a port forward

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P-660HN Series Support Notes 5. How do I restore P-660HN-T1A configurations by using TFTP client program via LAN? a. Use the TELNET client program in your PC to login to your P-660HN-T1A. b. Enter CI command 'sys stdio 0' disable Stdio idle timeout c. To backup the P-660HN-T1A configurations, use TFTP client program to get file 'rom-0' from the P-660HN-T1A. d. To restore the P-660HN-T1A configurations, use the TFTP client program to put your configuration in file rom-0 in the P-660HN-T1A. 6. 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-660HN-T1A to reset the router. After the router is reset, the LAN IP address will be reset to '192.168.1.1', the common user password will be reset to 'user', the Administrator password will be reset to „1234'. 7. How to use the Reset button? a. Turn your P-660HN-T1A on. Make sure the POWER led is on (not blinking) b. Press the RESET button for longer than one second and shorter than five seconds and release it. c. Press the RESET button for six seconds and then release it. If the POWER LED begins to blink, the default configuration has been restored and the P-660HN-T1A restarts. 8. What is SUA? When should I use SUA? SUA (Single User Account) is a unique feature supported by Prestige router which allows multiple people to access Internet concurrently for the cost of a single user account. When Prestige 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 recomputes the appropriate header checksums and forwards the packet to the Internet as if it is originated from Prestige using the IP address assigned by ISP. When reply packets from the external Internet are received by Prestige, the original IP source address and TCP/UDP source port numbers are written into the destination fields of the 7 All contents copyright © 2010 ZyXEL Communications Corporation.

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P-660HN Series Support Notes
7
All contents copyright © 2010 ZyXEL Communications Corporation.
5. How do I restore P-660HN-T1A configurations by using TFTP client
program via LAN?
a. Use the TELNET client program in your PC to login to your
P-660HN-T1A.
b. Enter CI command
'sys stdio 0'
disable Stdio idle timeout
c. To backup the P-660HN-T1A configurations, use TFTP client program
to get file
'rom-0'
from the P-660HN-T1A.
d. To restore the P-660HN-T1A configurations, use the TFTP client
program to put your configuration in file
rom-0
in the P-660HN-T1A.
6. 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-660HN-T1A to reset the router.
After the router is reset, the LAN IP address will be reset to
'192.168.1.1',
the
common user password will be reset to
'user',
the Administrator password will
be reset to
„
1234
’
.
7. How to use the Reset button?
a. Turn your P-660HN-T1A on. Make sure the
POWER
led is on (not
blinking)
b. Press the
RESET
button for longer than one second and shorter than
five seconds and release it.
c. Press the
RESET
button for six seconds and then release it. If the
POWER
LED begins to blink, the default configuration has been
restored and the P-660HN-T1A restarts.
8. What is SUA? When should I use SUA?
SUA (Single User Account) is a unique feature supported by Prestige router
which allows multiple people to access Internet concurrently for the cost of a
single user account.
When Prestige 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 recomputes the appropriate
header checksums and forwards the packet to the Internet as if it is originated
from Prestige using the IP address assigned by ISP. When reply packets from
the external Internet are received by Prestige, the original IP source address
and TCP/UDP source port numbers are written into the destination fields of the