DrayTek Vigor-2920 Router Manual PDF (Setup & Configuration Guide)

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Vigor2920 Series User’s Guide

36

Index

Click the number of index to access into the load-balance policy

configuration web page.

Enable

Check this box to enable this policy.

Protocol

Use the drop-down menu to change the protocol for the WAN

interface.

WAN

Use the drop-down menu to change the WAN interface.

Src IP Start

Displays the IP address for the start of the source IP.

Src IP End

Displays the IP address for the end of the source IP.

Dest IP Start

Displays the IP address for the start of the destination IP.

Dest IP End

Displays the IP address for the end of the destination IP.

Dest Port Start

Displays the IP address for the start of the destination port.

Dest Port End

Displays the IP address for the end of the destination port.

Click

Index 1

to access into the following page for configuring load-balance policy.

VoIPon

www.voipon.co.uk

[email protected]

Tel: +44 (0)1245 808195

Fax: +44 (0)1245 808299

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Vigor2920 Series User’s Guide

37

Enable

Check this box to enable this policy.

Protocol

Use the drop-down menu to choose a proper protocol for the WAN

interface.

Binding WAN

interface

Choose the WAN interface (WAN1 or WAN2) for binding.

Auto failover to other WAN

– Check this button to lead the data

passing through other WAN automatically when the selected

WAN interface is failover.

Src IP Start

Type the source IP start for the specified WAN interface.

Src IP End

Type the source IP end for the specified WAN interface. If this field

is blank, it means that all the source IPs inside the LAN will be

passed through the WAN interface.

Dest IP Start

Type the destination IP start for the specified WAN interface.

Dest IP End

Type the destination IP end for the specified WAN interface. If this

field is blank, it means that all the destination IPs will be passed

through the WAN interface.

Dest Port Start

Type the destination port start for the destination IP.

Dest Port End

Type the destination port end for the destination IP. If this field is

blank, it means that all the destination ports will be passed through

the WAN interface.

VoIPon

www.voipon.co.uk

[email protected]

Tel: +44 (0)1245 808195

Fax: +44 (0)1245 808299

Page 48 / 251

Vigor2920 Series User’s Guide

38

3.2 LAN

Local Area Network (LAN) is a group of subnets regulated and ruled by router. The design of

network structure is related to what type of public IP addresses coming from your ISP.

3.2.1 Basics of LAN

The most generic function of Vigor router is NAT. It creates a private subnet of your own. As

mentioned previously, the router will talk to other public hosts on the Internet by using public

IP address and talking to local hosts by using its private IP address. What NAT does is to

translate the packets from public IP address to private IP address to forward the right packets

to the right host and vice versa. Besides, Vigor router has a built-in DHCP server that assigns

private IP address to each local host. See the following diagram for a briefly understanding.

In some special case, you may have a public IP subnet from your ISP such as

220.135.240.0/24. This means that you can set up a public subnet or call second subnet that

each host is equipped with a public IP address. As a part of the public subnet, the Vigor router

will serve for IP routing to help hosts in the public subnet to communicate with other public

hosts or servers outside. Therefore, the router should be set as the gateway for public hosts.

VoIPon

www.voipon.co.uk

[email protected]

Tel: +44 (0)1245 808195

Fax: +44 (0)1245 808299

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Vigor2920 Series User’s Guide

39

What is Routing Information Protocol (RIP)

Vigor router will exchange routing information with neighboring routers using the RIP to

accomplish IP routing. This allows users to change the information of the router such as IP

address and the routers will automatically inform for each other.

3.2.2 General Setup

This page provides you the general settings for LAN.

Click

LAN

to open the LAN settings page and choose

General Setup

.

1st IP Address

Type in private IP address for connecting to a local private network

(Default: 192.168.1.1).

1st Subnet Mask

Type in an address code that determines the size of the network.

(Default: 255.255.255.0/ 24)

VoIPon

www.voipon.co.uk

[email protected]

Tel: +44 (0)1245 808195

Fax: +44 (0)1245 808299

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Vigor2920 Series User’s Guide

40

For IP Routing Usage

Click

Enable

to invoke this function. The default setting is

Disable

.

2

nd

IP Address

Type in secondary IP address for connecting to a subnet.

(Default: 192.168.2.1/ 24)

2

nd

Subnet Mask

An address code that determines the size of the network.

(Default: 255.255.255.0/ 24)

2

nd

DHCP Server

You can configure the router to serve as a DHCP server for the 2nd

subnet.

Start IP Address:

Enter a value of the IP address pool for the DHCP

server to start with when issuing IP addresses. If the 2nd IP address

of your router is 220.135.240.1, the starting IP address must be

220.135.240.2 or greater, but smaller than 220.135.240.254.

IP Pool Counts:

Enter the number of IP addresses in the pool. The

maximum is 10. For example, if you type 3 and the 2nd IP address of

your router is 220.135.240.1, the range of IP address by the DHCP

server will be from 220.135.240.2 to 220.135.240.11.

MAC Address:

Enter the MAC Address of the host one by one and

click

Add

to create a list of hosts to be assigned, deleted or edited IP

address from above pool. Set a list of MAC Address for 2

nd

DHCP

server will help router to assign the correct IP address of the correct

subnet to the correct host. So those hosts in 2

nd

subnet won’t get an

IP address belonging to 1

st

subnet.

RIP Protocol Control

Disable

deactivates the RIP protocol. It will lead to a stoppage of the

exchange of routing information between routers. (Default)

1st Subnet -

Select the router to change the RIP information of the

1st subnet with neighboring routers.

VoIPon

www.voipon.co.uk

[email protected]

Tel: +44 (0)1245 808195

Fax: +44 (0)1245 808299

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