P-660 Series Support Notes 
3. What is the micro filter used for? ....................................................................13 
4. How do I know the ADSL line is up?..............................................................13 
5. How does the P-
660 work on a noisy ADSL?.................................................13 
6. Does the VC-based multiplexing perform better than the LLC-based 
multiplexing? .......................................................................................................14 
7. How do I know the details of my ADSL line statistics?..................................14 
8.What are the possible reasons when the ADSL link is down? .........................14 
9.What are the signaling pins of the ADSL connector?.......................................14 
General Application Notes....................................................................................15 
1. Internet Access Using P-
660 under Bridge mode............................................15 
2. Internet Access Using P-
660 under Router mode............................................18 
3. Setup the P-660 as a DHCP Relay...................................................................21 
4. SUA Notes.......................................................................................................22 
5. Using Multi-NAT.............................................................................................31 
6. About Filter & Filter Examples .......................................................................50 
7. Using the Dynamic DNS (DDNS)...................................................................70 
8. Network Management Using SNMP...............................................................72 
9. Using syslog.....................................................................................................78 
10. Using IP Alias................................................................................................82 
11. Using IP Policy Routing ................................................................................84 
12. Using Call Scheduling ...................................................................................89 
13. Using IP Multicast .........................................................................................92 
14. Using Zero-Configuration..............................................................................94 
Support Tool...........................................................................................................99 
1. LAN/WAN Packet Trace.................................................................................99 
Online Trace.........................................................................................99 
Offline Trace......................................................................................104 
2. Firmware/Configurations Uploading and Downloading using TFTP ...........105 
Using TFTP client software...............................................................105 
Using TFTP command on Windows NT...........................................106 
Using TFTP command on UNIX.......................................................107 
3. Using FTP to Upload the Firmware and Configuration Files........................108 
Using FTP command in terminal.......................................................108 
Using FTP client software .................................................................109 
CI Command Reference......................................................................................112 
 
 
 
 
 
 
 
 
 
 
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