ATU-R130 ADSL Ethernet Router User’s Guide

43

3.

Click

.

4.

On the confirmation page, click

to return to the IP Route table page.

The IP Routing Table will now display the new route.

5.

Click the Admin tab, and then click

Commit & Reboot

in the task bar.

6.

Click

to save your changes to permanent memory.

ATU-R130 ADSL Ethernet Router User’s Guide

44

9

Configuring the ATM VCC

As your LAN computers access the Internet via the ATU-R130, data is exchanged with your ISP

through a complex network of telephone switches, Internet routers, servers, and other specialized

hardware. These various devices communicate using a common language, or protocol, called

Asynchronous Transfer Mode

{

XE "Asynchronous Transfer Mode" \t "

See

ATM"

}

(ATM). On the

Wide Area Network (WAN) that connects you to your ISP, the ATM protocol performs functions

like those that the Ethernet protocol performs on your LAN.

{

XE "ATM:defined"

}

This chapter describes how to configure the ATM

virtual channel connection

(VCC). The VCC

properties define the path the ATU-R130 uses to communicate with your ISP over the ATM

network.

Viewing{ XE "ATM:viewing configuration" } Your ATM VC Setup

To view your current configuration, log into Configuration Manager, click the WAN tab, and then

click

ATM VCC

in the task bar. The ATM VCC Configuration page displays, as shown in Figure 34.

Figure 33. ATM VCC Configuration Page{ XE "Pages:ATM VCC Configuration" }

{ XE "ATM VCC

Configuration page" }

The ATM VCC Configuration table displays the following fields (contact your ISP to determine

these settings):

Field

Description

Interface

The name of the lower-level interface on which

this VC operates. The low-level interface names

are preconfigured in the software and identify the

type of traffic that can be supported, such as data

or voice. Internet data services typically use an

AAL5-type interface.

Vpi, Vci, and Mux

Type

These settings identify a unique ATM data path for

communication between your ADSL/Ethernet

router and your ISP.

Max Proto per

AAL5

If you are using an AAL5-type of

interface, this

setting indicates the number of higher-level

interfaces that the VC can support (the higher

level interfaces can be PPP, EoA, or IPoA

interfaces). Contact your ISP to determine which

connection protocol(s) they require.

Actions

Displays an icon (

) you can click on to delete

the associated interface.

ATU-R130 ADSL Ethernet Router User’s Guide

45

Adding ATM VCCs

You may need to create a VCC if none has been predefined on your system or if you use multiple

services with your ISP. Each service may require its own VCC. Follow these instructions to add a

VCC:

1.

From the ATM VCC Configuration page, click

.

The ATM VCC – Add page displays, as shown in Figure 35

Figure 34. ATM

VCC

– Add Page{ XE "ATM VCC – Add page" }{ XE "Pages:ATM VCC - Add" }

2.

Select an interface name from the VCC Interface drop-down list.

3.

Enter the VPI and VCI values assigned by your ISP, and select the mux type from the

drop-down list.

4.

Click

.

5.

On the confirmation page, click

to return to the ATM VCC Configuration page.

6.

Click the Admin tab, and then click

Commit & Reboot

in the task bar.

7. Click

to save your changes to permanent memory.

The new interface should now display in the ATM VCC Configuration table.

You may need to create a new WAN interface, or modify an existing interface, so that it uses the

new VCC. See the instructions for configuring a PPP (Chapter 10), EoA (Chapter 11), or IPoA

(Chapter 12) interfaces, depending on the type you use to communicate with your ISP.

You can verify that the new settings work by attempting to access the Internet from a LAN/USB

computer. Contact your ISP for troubleshooting assistance.

ATU-R130 ADSL Ethernet Router User’s Guide

46

Modifying ATM VCCs

Your device may already be preconfigured with the necessary ATM VCC properties, or the table

may contain placeholder values that you must change before using the device. Contact your ISP

to determine your ATM VCC values. Follow these instructions to modify a preconfigured VCC:

1.

From the ATM VCC Configuration page, click

in the Actions column for the interface

you want to modify.

The ATM VCC Interface – Modify page displays, as shown in Figure 36.

Figure 35. ATM VCC Interface

– Modify Page{ XE "ATM VCC – Add page" }{ XE "Pages:ATM VCC -

Add" }

2.

Enter the new VPI and VCI values, select the MUX type, or change the maximum number

of protocols that the VCC can carry, as directed by your ISP.

You cannot modify the interface type over which an existing VCC operates (aal5-0, for

example). If you want to change the interface type, you must delete the existing interface,

create a new one, and select the desired interface type.

3. Click

.

4.

On the confirmation page, click

to return to the ATM VCC Configuration page.

5.

Click the Admin tab, and then click

Commit & Reboot

in the task bar.

6. Click

to save your changes to permanent memory.

7.

You can verify that the new settings work by attempting to access the Internet from a

LAN/USB computer. Contact your ISP for troubleshooting assistance.

ATU-R130 ADSL Ethernet Router User’s Guide

47

10

Configuring PPP Interfaces

When powered on, the ATU-R130 initiates a connection through your DSL line to your ISP.

The point-to-point (PPP) protocol is commonly used between ISPs and their customers to identify

and control various communication properties, including:

?

Identifying the type of service the ISP provides to a given customer

?

Identifying the customer to the ISP through a username and password login

?

Enabling the ISP to assign Internet information to the customer’s computers

Your ISP may or may not use the PPP protocol. Contact your ISP to determine if you will need to

change the default settings in order to connect to their server.

Viewing Your Current PPP Configuration

To view your current PPP setup, log into Configuration Manager, click the WAN tab, and then click

PPP

in the task bar.

The PPP Configuration page displays, as shown in Figure 37.

Figure 36. PPP Configuration Page{ XE "PPP Configuration page" }{ XE "Pages:PPP Configuration" }

PPP is configured as a group of software settings associated with the ADSL port. Although the

device has only one physical ADSL port, the ATU-R130 can be defined with more than one group

of PPP settings. Each group of settings is called a

PPP interface

and is given a name, such as

ppp-0

,

ppp-1

, etc.

You can configure the following settings on the PPP Configuration page:

?

Inactivity TimeOut (mins)

:

The time in minutes that must elapse before a PPP

connection times-out due to inactivity.

?

Ignore WAN to LAN traffic

: When enabled, data traffic traveling in the incoming

direction—

from the WAN port to the LAN port—

will not count as activity on the WAN port;

i.e., it will not prevent the connection from being terminated if inactive for the specified

time.