P-660HWP-Dx Support Notes
All contents copyright © 2007 ZyXEL Communications Corporation.
1
FAQ ................................................................................................................. 6
ZyNOS FAQ ................................................................................................. 6
1. What is ZyNOS? .................................................................................. 6
2. How do I access the P-660HWP-Dx Command Line Interface (CLI)?
.................................................................................................................. 6
3. How do I update the firmware and configuration file? .................... 6
4. How do I upgrade/backup the ZyNOS firmware by using TFTP
client program via LAN? ........................................................................ 6
5. How do I restore P-660HWP-Dx configurations by using TFTP
client program via LAN? ........................................................................ 7
6. What should I do if I forget the system password? ......................... 7
7. How to use the Reset button? ........................................................... 7
8. What is SUA? When should I use SUA? ........................................... 8
9. What is the difference between SUA and Full Feature NAT? .......... 8
10. Is it possible to access a server running behind SUA from the
outside Internet? How can I do it? ........................................................ 9
11. When do I need select Full Feature NAT? ...................................... 9
12. What IP/Port mapping does Multi-NAT support? ........................... 9
13. How many network users can the SUA/NAT support? ................ 11
14. What are Device filters and Protocol filters? ................................ 11
15. How can I protect against IP spoofing attacks? .......................... 11
Product FAQ ............................................................................................. 13
1. How can I manage P-660HWP-Dx? .................................................. 13
2. What is the default password for Web Configurator? ................... 13
3. What’s the difference between ‘Common User Account’ and
‘Administrator Account’? ..................................................................... 13
4. How do I know the P-660HWP-Dx's WAN IP address assigned by
the ISP? ................................................................................................. 13
5. What is the micro filter or splitter used for? .................................. 14
6. The P-660HWP-Dx supports Bridge and Router mode, what's the
difference between them?.................................................................... 14
7. How do I know I am using PPPoE? ................................................. 14
8. Why does my provider use PPPoE? ............................................... 14
9. What is DDNS? .................................................................................. 14
10. When do I need DDNS service? ..................................................... 15
11. What is DDNS wildcard? Does the P-660HWP-Dx support DDNS
wildcard? ............................................................................................... 15
12. Can the P-660HWP-Dx's SUA handle IPSec packets sent by the
IPSec gateway? ..................................................................................... 15
13. How do I setup my P-660HWP-Dx for routing IPSec packets over
SUA? ...................................................................................................... 16
14. What is Traffic Shaping? ................................................................ 16
15. Why do we perform traffic shaping in the P-660HWP-Dx? .......... 16
16. What do the parameters (PCR, SCR, MBS) mean? ...................... 17
