User`s manual

P-660R-F1 Support Notes
2
All contents copyright © 2011 ZyXEL Communications Corporation.
INDEX
ZyNOS FAQ ........................................................................................................... 4
1. What is ZyNOS? ................................................................................................. 4
2. How do I access the P-660R-F1 Command Line Interface (CLI)? ................... 4
3. How do I update the firmware and configuration file ? ...................................... 4
4. How do I upgrade/backup the ZyNOS firmware by using TFTP client program
via LAN? .............................................................................................................. 5
5. How do I restore P-660R-F1 configurations by using TFTP client program via
LAN? ....................................................................................................................... 5
6. What should I do if I forget the system password? ........................................... 5
7. How to use the Reset button? ............................................................................ 5
8. What is SUA? When should I use SUA? ........................................................... 5
9. Is it possible to access a server running behind SUA from the outside Internet?
How can I do it? ...................................................................................................... 6
10. How many network users can the SUA/NAT support? ................................... 6
11. What are Device filters and Protocol filters? ................................................... 6
12. How can I protect against IP spoofing attacks? .............................................. 6
Product FAQ .......................................................................................................... 8
1. How can I manage P-660R-F1? ........................................................................ 8
2. What is the default password for Web Configurator?........................................ 8
3. How do I know the P-660R-F1's WAN IP address assigned by the ISP? ........ 8
4. What is Traffic Shaping? .................................................................................... 8
5. Why do we perform traffic shaping in the P-660R-F1? ..................................... 8
6. What do the parameters (PCR, SCR, and MBS) mean? .................................. 8
7. What do the ATM QoS Types (CBR, UBR, VBR, rtVBR, nrtVBR) mean? ....... 9
8. The P-660R-F1 supports Bridge and Router mode, what's the difference
between them? ....................................................................................................... 9
9. How do I know I am using PPPoE? ................................................................. 10
10. Why does my provider use PPPoE? .............................................................. 10
11. When do I need to choose dynamic IP? ........................................................ 10
12. What is DDNS?............................................................................................... 12
13. When do I need DDNS service? .................................................................... 12
14. What is DDNS wildcard? Does the P-660R-F1 support DDNS wildcard? ... 12
15. Can the P-660R-F1s SUA (Simple IP) handle IPSec packets sent by the
IPSec gateway? .................................................................................................... 12
16. What is UPnP? ............................................................................................... 13
ADSL FAQ ............................................................................................................ 14
1. How does ADSL compare to Cable modems? ................................................ 14
2. What is the micro-filter or splitter used for? ..................................................... 14
3. How do I know the ADSL line is up? ................................................................ 14
4. How does the P-660R-F1 work on a noisy ADSL? ......................................... 14
5. Does the VC-based multiplexing perform better than the LLC-based
multiplexing? ......................................................................................................... 14
6. How do I know the details of my ADSL line statistics? ................................... 15
7. What are the signaling pins of the ADSL connector?...................................... 15
Application Notes ............................................................................................... 16