DrayTek Vigor-2800G Router Manual PDF (Setup & Configuration Guide)

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Vigor2800 Series User’s Guide

120

Virtual TA Server

Enable:

Select it to activate the server.

Disable:

Select it to deactivate the server. All Virtual TA

applications will be terminated.

Username

Enter the username of a specific client.

Password

Enter the password of a specific client.

MSN1/ MSN2/MSN3

MSN stands for

Multiple Subscriber Number

. It means you can

apply to more than one ISDN lines number over a single

subscribed line. Note that the service must be acquired from your

telecom. Specify the MSN numbers for a specific client. If you

have no MSN services, leave this field blank.

Active

Check it to enable the client to access the server.

User Profile

Note that creating a single user access account will limit the access to the Virtual TA server

to only the specified account holders.

Assume you did not acquire any MSN service from your ISDN network provider.

On the server

- Click

Virtual TA (Remote CAPI) Setup

link, and fill in the Username and

Password fields. Check the

Active

box to enable the account.

On the client

- Right-click the mouse on the VT icon. The following pop-up menu will be

shown.

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Click the

Virtual TA Login

tab

to launch the login box.

Enter the Username/Password and then click

OK

. After a short time, the VT icon text will

turn green.

MSN Configuration

If you have applied to an MSN number service, the Virtual TA server can assign which client

has the specified MSN number. When an incoming call arrives, the server will inform the

appropriate client. Now we set an example to describe the configuration of the MSN number.

Suppose that you could assign the MSN number

123

to the client “alan”.

Type the specified MSN number in the CAPI-based software. When the Virtual TA server

sends an alert signal to the specified Virtual TA client, the CAPI-based software will also

receive the action, the software will not accept the incoming call.

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3.10.5 Call Control

Some applications require that the router (only for

i

models) be remotely activated, or be

able to dial up to the ISP via the ISDN interface. Vigor routers provide this feature which

allows you to make a phone call to the router and then ask it to dial up to the ISP.

Note:

Call Control is only available for

i

models equipped with the ISDN

interface.

Please set

Dialing to a Single ISP

first before configuring this web page.

Dial Retry

It specifies the dial retry counts per triggered packet. A

triggered packet is the packet whose destination is outside the

local network. The default setting is no dial retry. If set to 5,

for each triggered packet, the router will dial 5 times until it is

connected to the ISP or remote access router.

Dial Delay Interval

It specifies the interval between dialup retries. By default, the

interval is 0 second.

Remote Activation

It specifies a phone number in the

Remote Activation

field to

enable the remote activation function. If the router accepts a

call from the number 12345678, it will terminate the incoming

call immediately and dial to the ISP.

Link Type

Because ISDN has two B channels (64Kbps/per channel), you

can specify whether you would like to have single B channel,

two B channels or BOD (Bandwidth on Demand). Four

options are available: Link Disable, Dialup 64Kbps, Dialup

128Kbps, Dialup BOD.

PPP Authentication

It specifies the PPP authentication method for PPP/MP

connections. Normally you can set it to

PAP/CHAP

for better

compatibility.

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TCP Header Compression

VJ Compression

- It is used for TCP/IP protocol header

compression. Normally it is set to

None

to improve bandwidth

utilization.

Idle Timeout

Because our ISDN link type is “Dial On Demand”, the

connection will be initiated only when needed.

High Water Mark and

High Water Time

BOD stands for bandwidth-on-demand for Multiple-Link PPP

(ML-PPP or MP).

High Water Mark/ High Water Time/

Low Water Mark/Low Water Time

parameters are applied

when you set the

Link Type

to

Dialup BOD

. The ISDN

usually uses one B channel to access the Internet or remote

network when you choose the Dialup BOD link type. The

router will use the parameters here to decide on when you

activate/drop the additional B channel. Note that

cps

(characters-per-second) measures the total link utilization.

These parameters specify the situation in which the second

channel will be activated. With the first connected channel, if

its utilization exceeds the High Water Mark and such a

channel is being used over the High Water Time, the

additional channel will be activated. Thus, the total link speed

will be 128kbps (two B channels).

Low Water Mark and Low

Water Time

These parameters specify the situation in which the second

channel will be dropped. In terms of the two B channels, if

their utilization is under the Low Water Mark and these two

channels are being used over the High Water Time, the

additional channel will be dropped. As a result, the total link

speed will be 64kbps (one B channel).

Note:

If you are not sure whether your ISP can support BOD and/or ML-PPP’s

features, please seek assistance from your ISP, local dealers or our website:

[email protected]

.

3.11 Wireless LAN

This function is used for G models only.

3.11.1 Basic Concepts

Over recent years, the market for wireless communications has enjoyed tremendous growth.

Wireless technology now reaches or is capable of reaching virtually every location on the

surface of the earth. Hundreds of millions of people exchange information every day via

wireless communication products. The Vigor G model, a.k.a. Vigor wireless router, is

designed for maximum flexibility and efficiency of a small office/home. Any authorized

staff can bring a built-in WLAN client PDA or notebook into a meeting room for conference

without laying a clot of LAN cable or drilling holes everywhere. Wireless LAN enables high

mobility so WLAN users can simultaneously access all LAN facilities just like on a wired

LAN as well as Internet access.

The Vigor wireless routers are equipped with a wireless LAN interface compliant with the

standard IEEE 802.11g protocol. To boost its performance further, the Vigor Router is also

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loaded with advanced wireless technology Super G

TM

to lift up data rate up to 108 Mbps*.

Hence, you can finally smoothly enjoy stream music and video.

Note:

*

The actual data throughput will vary according to the network conditions

and environmental factors, including volume of network traffic, network

overhead and building materials.

In an Infrastructure Mode of wireless network, Vigor wireless router plays a role as an

Access Point (AP) connecting to lots of wireless clients or Stations (STA). All the STAs will

share the same Internet connection via Vigor wireless router. The

General Settings

will set

up the information of this wireless network, including its SSID as identification, located

channel etc.

Security Overview

Real-time Hardware Encryption:

Vigor Router is equipped with a hardware AES

encryption engine so it can apply the highest protection to your data without influencing user

experience.

Complete Security Standard Selection:

To ensure the security and privacy of your wireless

communication, we provide several prevailing standards on market.

WEP (Wired Equivalent Privacy) is a legacy method to encrypt each frame transmitted via

radio using either a 64-bit or128-bit key. Usually access point will preset a set of four keys

and it will communicate with each station using only one out of the four keys.

WPA(Wi-Fi Protected Access), the most dominating security mechanism in industry, is

separated into two categories: WPA-personal or called WPA Pre-Share Key (WPA/PSK),

and WPA-Enterprise or called WPA/802.1x.

In WPA-Personal, a pre-defined key is used for encryption during data transmission. WPA

applies Temporal Key Integrity Protocol (TKIP) for data encryption while WPA2 applies

AES. The WPA-Enterprise combines not only encryption but also authentication.

Since WEP has been proved vulnerable, you may consider using WPA for the most secure

connection. You should select the appropriate security mechanism according to your needs.

No matter which security suite you select, they all will enhance the over-the-air data

protection and /or privacy on your wireless network. The Vigor wireless router is very

flexible and can support multiple secure connections with both WEP and WPA at the same

time.

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