Draytek Vigor 2950Gi User's Guide download pdf (Page 206)

Vigor2930 Series User’s Guide

198

IP Address Assignment

Method (IPCP)

In most environments, you should not change these settings

as most ISPs provide a dynamic IP address for the router

when it connects to the ISP. If your ISP provides a fixed IP

address, check Yes and enter the IP address in the field of

Fixed IP Address.

Select Dialing to Dual ISPs if you have more than one ISP. You will be able to dial to both

ISPs at the same time. This is mainly for those ISPs that do not support Multiple-Link PPP

(ML-PPP). In such cases, dialing to two ISPs can increase the bandwidth utilization of the

ISDN channels to 128kbps data speed.

Common Settings Enable Dual ISPs Function - Check to enable the Dual ISPs

function. Require ISP Callback (CBCP) -If your ISP

supports the callback function, check this box to activate the

Callback Control Protocol during the PPP negotiation.

PPP/MP Setup

Link Type – There are three link types provided here for

different purpose.

Link Disable disables the ISDN dial-out

function. Dialup 128Kbps allows you to use both ISDN B

channels for Internet access. Dialup BOD (for detailed

information of configuration, please refer to section 3.12.4)

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.

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 can 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.

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Draytek Vigor 2950Gi User's Guide Page 206