Draytek 5500 Series 사용자 설명서

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VigorPro5500 Series User’s Guide 
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Select Dialing to a Single ISP if you access the Internet via a single ISP.   
 
ISP Access Setup 
ISP Name - Enter your ISP name such as Seednet, Hinet, and 
so on. 
Dial Number -Enter the ISDN access number provided by 
your ISP. 
Username - Enter the username provided by your ISP. 
Password - Enter the password provided by your ISP.   
Require ISP Callback (CBCP) -If your ISP supports the 
callback function, check this box to activate the Callback 
Control Protocol during the PPP negotiation. 
Scheduler (1-15) - Enter the index of schedule profiles to 
control the Internet access according to the preconfigured 
schedules. Refer to section 3.7.2 Schedule for detailed 
configuration. 
PPP/MP Setup
   
Link Type 
– 
There are three link types provided here for 
different purpose. 
Link Disable disables the ISDN dial-out 
function. Dialup 64Kbps allows you to use one ISDN B 
channel for Internet access. Dialup 128Kbps allows you to 
use both ISDN B channels for Internet access. Dialup BOD 
(for detailed information of configuration, please refer to 
section 3.10.5) stands for bandwidth-on-demand. The router 
will use only one B channel in low traffic situations. Once the 
single B channel bandwidth is fully used, the other B channel 
will be activated automatically through the dialup. For more 
detailed BOD parameter settings, please refer to the section of 
Call Control
PPP Authentication - PAP only allows you to configure the 
PPP session to use the PAP protocol to negotiate the username 
and password with the ISP. PAP or CHAP is to configure the 
PPP session to use the PAP or CHAP protocols to negotiate 
the username and password with the ISP.   
Idle Timeout - Idle timeout means the router will be 
disconnect after being idle for a preset amount of time. The 
default is 180 seconds. If you set the time to 0, the ISDN 
connection to the ISP will always remain on.   
IP Address Assignment 
In most environments, you should not change these settings as