P-662HW-D Series Support Notes
FAQ .................................................................................................................7
ZyNOS FAQ
.................................................................................................7
1. What is ZyNOS? ...................................................................................7
2. What’s Multilingual Embedded Web Configurator?...............................7
3. How do I access the P-662HW-D Command Line Interface (CLI)? ......7
4. How do I update the firmware and configuration file? ...........................7
5. How do I upgrade/backup the ZyNOS firmware by using TFTP client
program via LAN?.....................................................................................7
6. How do I restore P-662HW-D configurations by using TFTP client
program via LAN?.....................................................................................8
7. What should I do if I forget the system password? ...............................8
8. How to use the Reset button?...............................................................8
9. What is SUA? When should I use SUA? ..............................................8
10. What is the difference between SUA and Full Feature NAT? .............9
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? ........................................10
13. What IP/Port mapping does Multi-NAT support? ..............................10
14. How many network users can the SUA/NAT support? .....................11
15. What are Device filters and Protocol filters? .....................................11
16. How can I protect against IP spoofing attacks? ................................11
Product FAQ
...............................................................................................13
1. How can I manage P-662HW-D?........................................................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-662HW-D's WAN IP address assigned by the
ISP? ........................................................................................................13
5. What is the micro filter or splitter used for?.........................................13
6. The P-662HW-D 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-662HW-D support DDNS
wildcard? ................................................................................................15
12. Can the P-662HW-D's SUA handle IPSec packets sent by the IPSec
gateway? ................................................................................................15
13. How do I setup my P-662HW-D for routing IPSec packets over SUA?
................................................................................................................15
14. What is Traffic Shaping?...................................................................16
15. Why do we perform traffic shaping in the P-662HW-D? ...................16
16. What do the parameters (PCR, SCR, MBS) mean? .........................17
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