P-660HW-Tx v3 Series Support Notes
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All contents copyright © 2008 ZyXEL Communications Corporation.
FAQ
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ZyNOS FAQ
......................................................................................... 6
1. What is ZyNOS? ............................................................................... 6
2. What‟s Multilingual Embedded Web Configurator? ............................. 6
3. How do I access the P-660HW-Tx v3 Command Line Interface (CLI)? 6
4. How do I update the firmware and configuration file? .......................... 6
5. How do I upgrade/backup the ZyNOS firmware by using TFTP client
program via LAN? ................................................................................. 7
6. How do I restore P-660HW-Tx v3 configurations by using TFTP client
program via LAN? ................................................................................. 7
7. What should I do if I forget the system password? .............................. 7
8. How to use the Reset button? ............................................................ 7
9. What is SUA? When should I use SUA? ............................................ 8
10. What is the difference between SUA and Full Feature NAT? ............. 8
11. Is it possible to access a server running behind SUA from the outside
Internet? How can I do it? ..................................................................... 9
12. When do I need select Full Feature NAT? ........................................ 9
13. What IP/Port mapping does Multi-NAT support? ............................... 9
14. How many network users can the SUA/NAT support? .................... 10
15. What are Device filters and Protocol filters? ................................... 10
16. How can I protect against IP spoofing attacks? ............................... 11
Product FAQ
....................................................................................... 12
1. How can I manage P-660HW-Tx v3? ............................................... 12
2. What is the default password for Web Configurator? ........................ 12
3. What‟s the difference between „Common User Account‟ and
„Administrator Account‟?...................................................................... 12
4. How do I know the P-660HW-Tx v3's WAN IP address assigned by the
ISP? ................................................................................................... 12
5. What is the micro filter or splitter used for? ....................................... 13
6. The P-660HW-Tx v3 supports Bridge and Router mode, what's the
difference between them? ................................................................... 13
7. How do I know I am using PPPoE? .................................................. 13
8. Why does my provider use PPPoE? ................................................ 13
9. What is DDNS? ............................................................................... 13
10. When do I need DDNS service? .................................................... 14
11. What is DDNS wildcard? Does the P-660HW-Tx v3 support DDNS
wildcard? ............................................................................................ 14
12. What is Traffic Shaping?................................................................ 14
13. Why do we perform traffic shaping in the P-660HW-Tx v3? ............. 15
