DG-BG4300N User Manual

DG-BG4300N User Manual

5. Setup

5.1 WAN Configuration

There are three sub-menu for WAN configuration: [Channel Config], [ATM Settings], and [ADSL

Settings].

Channel Config

ADSL modem/router supports 8 ATM Permanent Virtual Channels (PVCs). There are mainly three

operations for each of the PVC channels: add, delete and modify. And there are several channel modes

to be selected for each PVC channel. For each of the channel modes, the setting is quite different

accordingly. Please refer to the section

–

Channel Mode Configuration for further details.

DG-BG4300N User Manual

Function buttons in this page:

Add

Click Add to complete the channel setup and add PVC channel into configuration.

Modify

Select an existing PVC channel by clicking the radio button at the Select column of the Current ATM VC

Table before we can modify the PVC channel. After selecting PVC channel, we can modify the channel

configuration at this page. Click Modify to complete the channel modification and apply to the

configuration.

Delete

Select an existing PVC channel to be deleted by clicking the radio button at the Select column of the

Current ATM VC Table. Click Delete to delete this PVC channel from configuration.

DG-BG4300N User Manual

5.1.1 ATM Settings

The page is for ATM PVC QoS parameters setting. The DSL device support 4 QoS mode

—

CBR/rt-

VBR/nrt-VBR/UBR.

Fields in this page:

Field

Description

VPI

Virtual Path Identifier. This is read-only field and is selected on the Select column

in the Current ATM VC Table.

VCI

Virtual Channel Identifier. This is read-only field and is selected on the Select

column in the Current ATM VC Table. The VCI, together with VPI, is used to

identify the next destination of a cell as it passes through the ATM switch.

DG-BG4300N User Manual

QoS

Quality of Service, a characteristic of data transmission that measures how

accurately and how quickly a message or data is transferred from a source host

to a destination host over a network. The four QoS options are:

UBR (Unspecified Bit Rate): When UBR is selected, the SCR and MBS fields are

disabled.

CBR (Constant Bit Rate): When CBR is selected, the SCR and MBS fields are

disabled.

nrt-VBR (non-real-time Variable Bit Rate): When nrt-VBR is selected, the SCR

and MBS fields are enabled.

rt-VBR (real-time Variable Bit Rate): When rt-VBR is selected, the SCR and MBS

fields are enabled.

PCR

Peak Cell Rate, measured in cells/sec, is the cell rate which the source may

never exceed.

SCR

Sustained Cell Rate, measured in cells/sec, is the average cell rate over the

duration of the connection.

MBS

Maximum Burst Size, a traffic parameter that specifies the maximum number of

cells that can be transmitted at the peak cell rate.

Function buttons in this page:

Apply Changes

Set new PVC OoS mode for the selected PVC. New parameters will take effect after saving into flash

memory and reboot the system. See section “Admin” for save details.

Undo

Discard your settings.

5.1.2 ADSL Settings

The ADSL setting page allows you to select any combination of DSL training modes.