DrayTek Vigor-2930n Router Manual PDF (Setup & Configuration Guide)

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igor2930 Series User’s Guide

153

Advanced Load Balance and Backup

After setting profiles for load balance, you can choose any one of them and click Advance

for more detailed configuration. The windows for advanced load balance and backup are

different. Refer to the following explanation:

Advanced Load Balance

Profile Name

List the load balance profile name.

Load Balance Algorithm

Round Robin

– Based on packet base, both tunnels will send

the packet alternatively. Such method can reach the balance

of packet transmission with fixed rate.

Weighted Round Robin

–Such method can reach the balance

of packet transmission with flexible rate. It can be divided

into Auto Weighted and According to Speed Ratio.

Auto

Weighted

can detect the device speed (10Mbps/100Mbps)

and switch with fixed value ratio (3:7) for packet

transmission. If the transmission rate for packets on both

sides of the tunnels is the same, the value of Auto Weighted

should be 5.5.

According to Speed Ratio

allows user to

adjust suitable rate manually. There are 100 groups of rate

ratio for Member1:Member2 (range from 1:99 to 99:1).

Fastest

– Based on available bandwidth that integrated and

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considered by DrayOS system, the system can adjust

dynamically for bandwidth of both VPN tunnels. In most

cases, VPN Tunnel with high rate will use the WAN interface

which has more available bandwidth.

VPN Load Balance –

Binding Tunnel Policy

Below shows the algorithm for Load Balance.

Create

– Click this radio button for assign a blank table for

configuring Binding Tunnel.

After insert

– Click this radio button to adding a new binding

tunnel table.

Tunnel Bind Table Index

- 400 binding tunnel tables are

provided by this device. Choose any one of them for such

Load Balance profile.

Active

– In-active/Delete can delete this binding tunnel table.

Active can activate this binding tunnel table.

Binding Dial Out Index

– Specify connection type for

transmission by choosing the index (LAN to LAN Profile

Index) for such binding tunnel table.

Binding Set IP Start /End

– Specify source IP addresses as

starting point and ending point.

Binding Dest IP Start/End

– Specify destination IP

addresses as starting point and ending point.

Binding Dest Port Start /End

– Specify destination service

port as starting point and ending point.

Binding Fragmented

– Non fragmented packets will be

bound with such tunnel table if you choose

No

. Fragmented

packets will be bound with such tunnel table if you choose

Yes

.

Binding Protocol

–

Any

means when the source IP,

destination IP, destination port and fragment conditions

match with the settings specified here, such binding tunnel

table can be established for TCP Service Port/UDP Service

Port/ICMP/IGMP specified here.

TCP

means when the source IP, destination IP, destination

port and fragment conditions match with the settings

specified here and TCP Service Port also fits the number

here, such binding tunnel table can be established.

UDP

means when the source IP, destination IP, destination port

and fragment conditions match with the settings specified

here and UDP Service Port also fits the number here, such

binding tunnel table can be established.

TCP/UPD

means

when the source IP, destination IP, destination port and

fragment conditions match with the settings specified here

and TCP/UDP Service Port also fits the number here, such

binding tunnel table can be established.

ICMP

means when

the source IP, destination IP, destination port and fragment

conditions match with the settings specified here and ICMP

Service Port also fits the number here, such binding tunnel

table can be established. IGMP means when the source IP,

destination IP, destination port and fragment conditions

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match with the settings specified here and IGMP Service Port

also fits the number here, such binding tunnel table can be

established.

Other

means when the source IP, destination IP,

destination port and fragment conditions match with the

settings specified here with different TCP Service Port/UDP

Service Port/ICMP/IGMP, such binding tunnel table can be

established.

Detail Information

This field will display detailed information for Binding

Tunnel Policy. Below shows a successful binding tunnel

policy for load balance:

Note : To configure a successful binding tunnel, you have

to:

z

Type Binding Src IP range (Start and End) and Binding

Des IP range (Start and End) Choose YES or NO for

Binding Fragmented. If you choose YES for Binding

Fragmented, you don’t need to choose Binding Protocol.

z

Type Binding Src IP range (Start and End) and Binding

Des IP range (Start and End). Choose YES or NO for

Binding Fragmented. If you choose

NO

for Binding

Fragmented, please choose TCP/UDP, IGMP/ICMP or

Other as Binding Protocol.

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Advanced Backup

Profile Name

List the backup profile name.

ERD Mode

ERD means “Environment Recovers Detection”.

Normal

– choose this mode to make all dial-out VPN

TRUNK backup profiles being activated alternatively.

Recover Timer

– choose this mode to detect VPN connection

periodically and type the value for it (the unit is second). If

VPN server for Member 1 has completed the network

connection, current VPN Tunnel backup connection will be

off.

Resume

– when VPN connection breaks down or disconnects,

Member 1 will be the top priority for the system to do VPN

connection.

Detail Information

This field will display detailed information for Environment

Recovers Detection.

3.9.10 Connection Management

You can find the summary table of all VPN connections. You may disconnect any VPN

connection by clicking

Drop

button. You may also aggressively Dial-out by using Dial-out

Tool and clicking

Dial

button. After adding a new VPN TRUNK profile, it will be listed in

Backup/Load Balance Mode drop-down list for you to choose for dialing.

General Mode

This filed displays the profile configured in LAN-to-LAN

(with Index number and VPN Server IP address). The VPN

connection built by General Mode does not support VPN

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backup function.

Backup Mode

This filed displays the profile name saved in VPN TRUNK

Management (with Index number and VPN Server IP

address). The VPN connection built by Backup Mode supports

VPN backup function.

Dial

Click this button to execute dial out function.

Refresh Seconds

Choose the time for refresh the dial information among 5, 10,

and 30.

Refresh

Click this button to refresh the whole connection status.

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