Draytek 5500 Series

VigorPro5500 Series User’s Guide 125

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