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DNS

Domain Name Servers are used to map a domain name (e.g. www.somesite.com) to the equivalent numerical

IP address (e.g. 64.147.25.20). Your ISP should provide the IP address of one or more Domain Name Servers. Enter

those addresses on this page.

WAN

Specify the WAN connection parameters provided by your Internet Service Provider (ISP). The router can be

connected to your ISP in one of the following ways:

ATM PVC

Clone MAC

•

•

Note:

If you check ‘Enabled’

and specify an IP address

of 0.0.0.0, any host can

manage the router.

For remote

management via a WAN

IP address you need

to connect using port

8080.Simply enter WAN

IP address followed by

:8080 in the address

field of your web

browser, for example,

This applies unless you

change the port setting,

in which case you need

to substitute the 8080

for whatever port you

have assigned.

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ATM PVC

The router uses ATM as its WAN interface. Click on each ATM VC for WAN configuration.

Parameter Description

Description:

Click on the VC to set the values for the connection.

VPI/VCI:

Virtual Path Identifier (VPI) and Virtual Circuit Identifier (VCI).

Encapsulation:

Specifies how to handle multiple protocols at the ATM transport layer.

VC-MUX: Point-to-Point Protocol over ATM Virtual Circuit Multiplexer (null encapsulation) allows only one

protocol running per virtual circuit with less overhead.

LLC: Point-to-Point Protocol over ATM Logical Link Control (LLC) allows multiple protocols running over one

virtual circuit (using slightly more overhead).

Protocol:

Protocol used for the connection.

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ATM Interface

Clicking on the ATM VC brings up the following screen. The router uses ATM as its WAN interface. Protocols

including 1483 Routing, 1483 Bridging, MAC Encapsulated Routing (MER), PPPoA and PPPoE with LLC-SNAP and VC-

MUX encapsulations are supported for each ATM PVC.

When you have finished entering your connection parameters, click ‘SAVE SETTINGS’. You can verify that you

have established an ADSL connection by clicking ‘Status’ at the bottom of the left-hand menu.

See below for a description of the parameters.

Parameter Description

Protocol

Disable:

Disables the connection

1483 Bridging:

Bridging is a standardized layer

2 technology. It is typically used in corporate

networks to extend the physical reach of a single

LAN segment and increase the number of stations

on a LAN without compromising performance.

Bridged data is encapsulated using the RFC1483

protocol to enable data transport. Please note

that setting the router to bridged mode disables

all advanced features such as VoIP, Firewall, and

QoS, etc

PPPoA:

Point-to-Point Protocol over ATM is a

method of encapsulating data for transmission to

a far point

1

483 Routing:

1483 Routing allows a simple, low-cost

connection to the Internet via a standard Ethernet

port. The router looks up the network address for

each packet seen on the LAN port. If the address

is listed in the routing table as local, it is filtered.

If the address is listed under the ADSL port, it is

forwarded. Or if the address is not found, then it is

automatically forwarded to the default router (i.e.,

the router at the head end)

1.

2.

3.

4.

PPPoE:

Point-to-Point over Ethernet is a common

connection method used for xDSL

MAC Encapsulated Routing:

If your ADSL service

is a Bridged mode service and you want to share

the connection to multiple PC’s, please select MAC

Encapsulated Routing. MER is a protocol that allows

you to do IP routing with NAT enabled

VPI/VCI

Virtual Path Identifier (VPI) and Virtual Circuit

Identifier (VCI). Data flows are broken up into fixed

length cells, each of which contains a Virtual Path

Identifier (VPI) that identifies the path between

two nodes, and a Virtual Circuit Identifier (VCI) that

identifies the data channel within that virtual path.

Each virtual circuit maintains a constant flow of cells

between the two end points.

When there is no data

to transmit, empty cells are sent. When data needs

to be transmitted, it is immediately inserted into the

cell flows.

5.

6.

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Encapsulation

Shows the packet encapsulation type.

Packet encapsulation specifies how to handle

multiple protocols at the ATM transport layer.

VC-MUX:

Point-to-Point Protocol over ATM Virtual

Circuit Multiplexer (null encapsulation) allows only

one protocol running per virtual circuit with less

overhead

LLC:

Point-to-Point Protocol over ATM Logical Link

Control allows multiple protocols running over one

virtual circuit (using slightly more overhead)

QoS Class

ATM QoS classes including CBR, UBR and VBR.

PCR/SCR/MBS

QoS Parameters - PCR (Peak Cell Rate), SCR

(Sustainable Cell Rate) and MBS (Maximum Burst Size)

are configurable.

•

•

Connect Type

Sets connection mode to always connected,

automatic or manual connection.

Idle Time: Enter the maximum idle time for the

Internet connection.(in minutes) After this time has

been exceeded the connection will be terminated.

Username:

Enter user name

Password:

Enter password

Confirm password:

Confirm Password

MTU

Leave the Maximum Transmission Unit (MTU) at the

default value (1500) unless you have a particular

reason to change it.

•

•

•

Clone MAC Address

Clicking on the Clone MAC Address brings up the following screen.

Some ISPs may require that you register your MAC address with them. If this is the case, the MAC address of the

router must be changed manually to the MAC address that you have registered with your ISP.

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LAN

Use the LAN menu to configure the LAN IP address and to enable the DHCP server for dynamic client address

allocation.

Parameter Description

LAN IP

IP Address:

The IP address of the router

IP Subnet Mask:

The subnet mask of the router

Host Name:

If your ISP requires a hostname specified

enter it here, otherwise leave blank

DHCP Server:

To dynamically assign an IP address to

client PCs, enable the DHCP (Dynamic Host

Configuration Protocol) Server

VLAN Binding

In this section you can assign VLAN’s that you have

created in the VLAN page to certain ports such as

LAN port 1, 2, 3 or 4 and the WLAN connection. For

instance if you have created a VLAN Binding called

‘Test’, and you want anything connected to the

wireless to be on that VLAN, then you would change

the WLAN setting on this page from ‘Default’ to the

one you created called ‘Test’.

DHCP SERVER

DHCP Option 60 Vendor ID:

If you wish you can

specify the Name of your DHCP Server (Optional).

Lease Time:

Specify the length of time that the

DHCP will assign an IP address to a computer for.

IP Address Pool

Start IP:

Specify the start IP address of the DHCP pool

Do not include the gateway address of the router in

the client address pool (see ‘TCP/IP

Configuration’). If you attempt to include the router

gateway address (10.1.1.1 by default) in the DHCP pool,

an error dialog box will appear. If you change the pool

range, make sure the first three octets match the

gateway’s IP address, i.e.10.1.1.xxx

End IP:

Specify the end IP address of the DHCP pool.

Domain Name:

If your network uses a domain name,

enter it here. Otherwise, leave this field blank

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Chapter 5 :

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