Linksys BEFSR81v2 Router Manual PDF (Setup & Configuration Guide)

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EtherFast

Cable/DSL Router with QoS and 8-Port Switch

•

WAN Connection Type

The Router supports six connection types: Obtain

an IP automatically (for DHCP connections), Static IP, PPPoE, RAS, PPTP,

and Heart Beat Signal. Each Setup screen and available features will differ

depending on what kind of connection type you select.

Obtain an IP automatically

By default, the Router’s WAN Connection Type is set to Obtain an IP automat-

ically, shown in Figure 6-4, and it should be used only if your ISP supports

DHCP.

To apply any of the settings you change on this page, click the

Apply

button.

To cancel any values you’ve entered on this page, click the

Cancel

button.

Instant Broadband

Series

A password request page, shown in Figure 6-2 will pop up. (Windows XP users

will see a Connect to 192.168.1.1 window, shown in Figure 6-3). Leave the

User Name field blank, and enter

admin

in the Password field.

Then click the

button.

To apply any of the settings you change

on a page, click the

Apply

button.

cancel any values you’ve entered on

any page, click the

Cancel

button.

The Setup screen is the first screen you see when you access the web-based

utility. If you have already installed and set up the Router, you have already

seen this screen and properly configured all of the screen’s values.

•

Host Name

and

Domain Name

These fields allow you to supply a host

and domain name for the Router. Some ISPs require these names as identi-

fication. You may have to check with your ISP to see if your broadband

Internet service has been configured with a host and domain name. In most

cases, leaving these fields blank will work.

•

Firmware Version

This entry shows the version and date of the firmware

you are using. Future versions of the Router’s firmware will be posted and

available for download on the Linksys website at

www.linksys.com

•

Device LAN IP Address

and

LAN Subnet Mask

The values for the

Router’s IP Address and Subnet Mask are shown here. The default values

are 192.168.1.1 for the Device IP Address and 255.255.255.0 for the Subnet

Mask.

Note:

You can test and see if the settings are correct by successfully

connecting to the Internet.

Figure 6-4

Setup

Figure 6-2

Figure 6-3

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EtherFast

Cable/DSL Router with QoS and 8-Port Switch

Instant Broadband

Series

PPPoE

Some

DSL-based

ISPs

use

PPPoE

( P o i n t - t o - P o i n t

Protocol

over

Ethernet) to establish

Internet connections.

If you are connected

the

Internet

through a DSL line,

check with your ISP

to see if they use

PPPoE. If they do,

you

will

have

enable

PPPoE,

shown in Figure 6-6.

User Name and Password

Enter the

User Name

and

Password

provided by

your ISP.

Connect on Demand: Max Idle Time

You can configure the Router to cut the

connection with your ISP after a specified period of time (Max Idle Time). If

you have been disconnected due to inactivity, Connect on Demand enables the

Router to automatically re-establish your connection as soon as you attempt to

access the Internet again. If you wish to activate Connect on Demand, click the

radio button. In the Max Idle Time field, enter the number of minutes you want

to have elapsed before your Internet access disconnects.

Keep Alive Option: Redial Period

If you select this option, the Router will

periodically check your Internet connection. If you are disconnected, then the

Router will automatically re-establish your connection.

To use this option,

click the radio button next to

Keep Alive

. In the Redial Period field, enter the

number of seconds you want the Redial Period to last. The default Redial

Period is 30 seconds.

To apply any of the settings you change on this page, click the

Apply

button.

To cancel any values you’ve entered on this page, click the

Cancel

button.

Figure 6-6

Important:

For DSL users, if you need to enable PPPoE support,

choose

PPPoE

. If you do enable PPPoE, remember to remove any

PPPoE applications that are already installed on any of your PCs.

Static IP

If you need to use a permanent IP address, select

Static IP

, shown in Figure 6-

Specify WAN IP Address

This is the Router’s IP address, when seen from the

WAN, or the Internet. Your ISP will provide you with the IP Address you need

to specify here.

Subnet Mask

This is the Router’s Subnet Mask, as seen by external users on

the Internet (including your ISP). Your ISP will provide you with the Subnet

Mask.

Default Gateway Address

Your ISP will provide you with the Default

Gateway Address, which is the ISP’s IP address.

DNS (Required)

Your ISP will provide you with at least one DNS (Domain

Name System) Server IP Address.

To apply any of the settings you change on this page, click the

Apply

button.

To cancel any values you’ve entered on this page, click the

Cancel

button.

Figure 6-5

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EtherFast

Cable/DSL Router with QoS and 8-Port Switch

Instant Broadband

Series

PPTP

Point to Point Tunneling

Protocol (PPTP), shown

in Figure 6-8, is a serv-

ice that applies to con-

nections in Europe only.

Specify

WAN

Address

This is the

Router’s

IP address,

when seen from the

WAN, or the Internet.

Your ISP will provide

you with the IP Address

you need to specify

here.

Subnet Mask

This is the Router’s Subnet Mask, as seen by external users on the

Internet (including your ISP). Your ISP will provide you with the Subnet Mask.

Default Gateway Address

Your ISP will provide you with the Default Gateway

Address.

User Name and Password

Enter

the

User Name

and

Password

supplied by

Singtel.

Connect on Demand: Max Idle Time

You can configure the Router to cut the

connection with your ISP after a specified period of time (Max Idle Time). If you

have been disconnected due to inactivity, Connect on Demand enables the Router

to automatically re-establish your connection as soon as you attempt to access the

Internet again. If you wish to activate Connect on Demand, click the radio but-

ton. In the Max Idle Time field, enter the number of minutes you want to have

elapsed before your Internet access disconnects.

Keep Alive Option: Redial Period

If you select this option, the Router will peri-

odically check your Internet connection. If you are disconnected, then the Router

will automatically re-establish your connection.

To use this option, click the

radio button next to

Keep Alive

. In the Redial Period field, enter the number of

seconds you want the Redial Period to last. The default Redial Period is 30 sec-

onds.

Figure 6-8

RAS

Remote

Access

Service (RAS) is a

service that applies to

connections

Singapore only. For

users in Singapore,

check with Singtel for

information on RAS

before

making

changes to the screen

shown in Figure 6-7.

User Name and Password

Enter

the

User Name

and

Password

supplied by

Singtel.

RAS Plan

Select the type of plan you have.

Connect on Demand: Max Idle Time

You can configure the Router to cut the

connection with your ISP after a specified period of time (Max Idle Time). If

you have been disconnected due to inactivity, Connect on Demand enables the

Router to automatically re-establish your connection as soon as you attempt to

access the Internet again. If you wish to activate Connect on Demand, click the

radio button. In the Max Idle Time field, enter the number of minutes you want

to have elapsed before your Internet access disconnects.

Keep Alive Option: Redial Period

If you select this option, the Router will

periodically check your Internet connection. If you are disconnected, then the

Router will automatically re-establish your connection.

To use this option,

click the radio button next to

Keep Alive

. In the Redial Period field, enter the

number of seconds you want the Redial Period to last. The default Redial

Period is 30 seconds.

To apply any of the settings you change on this page, click the

Apply

button.

To cancel any values you’ve entered on this page, click the

Cancel

button.

Figure 6-7

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EtherFast

Cable/DSL Router with QoS and 8-Port Switch

The Passwork screen, shown in Figure 6-10, allows you to change the password,

set SNMP Community names, enable UPnP Services, and restore the Router’s

default settings.

Router Password

Set a password for the Router. You can use up to 64 alphanu-

meric characters. The default password is

admin

. If you don’t change the pass-

word, all users on your network will be able to access the Router using the

default password.

SNMP Community

Each SNMP Community field allows a name to be

assigned to any SNMP community that has been set up in the network. Four

different communities can be defined, including the two default communities,

public and private (you can redefine the default communities). For each SNMP

Community name, you can configure each community’s accessibility, making

it either

Read-Only

Read-Write

UPnP Services

Universal Plug and Play (UPnP) allows Windows XP to auto-

matically configure the Router for various Internet applications, such as gam-

ing and videoconferencing. Click the radio button next to

Enable

to enable

UPnP Services, or

Disable

to disable UPnP Services.

Instant Broadband

Series

To apply any of the settings you change on this page, click the

Apply

button.

To cancel any values you’ve entered on this page, click the

Cancel

button.

HBS

The HeartBeat Signal

(HBS) is a service that

applies to connections

Australia

only.

(Shown in Figure 6-9.)

For users in Australia,

check with your ISP for

setup information.

User Name and Password

Enter

the

User Name

and

Password

supplied by

your ISP.

Connect on Demand and Max Idle Time

You can configure the Router to cut

your connection with your ISP after a specified period of time (Max Idle Time).

If you have been disconnected due to inactivity, Connect on Demand enables

the Router to automatically re-establish your connection as soon as you attempt

to access the Internet again. If you wish to activate Connect on Demand, click

the radio button. In the Max Idle Time field, enter the number of minutes you

want to have elapsed before your Internet access disconnects.

Keep Alive Option and Redial Period

If you select this option, the Router will

periodically check your Internet connection. If you are disconnected, then the

Router will automatically re-establish your connection.

To use this option,

click the radio button next to

Keep Alive

. The default Redial Period is 30 sec-

onds.

To apply any of the settings you change on a page, click the

Apply

button.

cancel any values you’ve entered on any page, click the

Cancel

button.

Figure 6-9

Password

Figure 6-10

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EtherFast

Cable/DSL Router with QoS and 8-Port Switch

Host Name

This field shows the Router’s name.

Firmware Version

This field shows the installed version and date of the

firmware.

Version dates are slightly more accurate than version numbers.

This indicates if you are using a dial-up style connection like PPPoE,

RAS, or PPTP. For PPPoE, RAS, or PPTP only, there is a

Connect

button to

click if you are disconnected and want to re-establish a connection.

LAN

These fields display the Router’s current IP Address and Subnet Mask,

as seen by users on your local area network. The DHCP Server field shows the

status of the Router’s DHCP server function, which is either enabled or dis-

abled.

WAN

These fields display the Router’s current IP Address, Subnet Mask, and

Default Gateway IP Address, as seen by external users on the Internet. The

DNS (Domain Name System) IP Address fields show the IP address(es) of the

DNS server(s) currently used by the Router. Multiple DNS IP settings are com-

mon. In most cases, the first available DNS entry is used. The DHCP

Remaining Time field displays how much time is remaining before the DHCP

server generates a new IP address.

DHCP Release

Click the

DHCP Release

button to release the current IP

address of the device connected to the Router’s WAN port.

DHCP Renew

Click the

DHCP Renew

button to replace the Router’s current

WAN IP address with a new IP address.

DHCP Clients Table

Click the

DHCP Clients Table

button to view the list of

PCs that were given IP addresses by the Router.

Instant Broadband

Series

Restore Factory Defaults

If you select the

Restore Factory Defaults

option

and click the

Apply

button, you will clear all of the Router’s settings. Do not

restore the factory defaults unless you are having difficulties with the Router

and have exhausted all other troubleshooting measures. Once the Router is

reset, you will have to re-enter all of your configuration data.

To apply any of the settings you change on this page, click the

Apply

button.

To cancel any values you’ve entered on this page, click the

Cancel

button.

The Status screen, shown in Figure 6-11, displays the Router’s current status

and reflects the data and selections you’ve entered using the Setup screen.

All of the information provided on this screen is read-only.

To make changes,

select the Setup tab.

Figure 6-11

Note:

The information provided and buttons available will vary

depending on the Router’s settings.

Status

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