GetNet GR-534W Router Manual PDF (Setup & Configuration Guide)

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46

Group

Select the group that the rule belongs to.

MAC

Address

The source MAC address of the rule. If data packets include the

MAC address, the data packets are placed into the group.

Dest. IP

address

The destination IP address of the rule. If data packets include the

IP address, the data packets are placed into the group.

Src. IP

address

The source IP address of the rule. If data packets include the IP

address, the data packets are placed into the group.

Packet

Length

The packet length of the rule. If data packets match the packet

length, the data packets are placed into the group.

DSCP

The DSCP mark. If data packets include the DSCP, the data

packets are placed into the group.

Protocol

The protocol types include

TCP

,

UDP

,

ICMP

, and

Application

. If

data packets match the protocol, the data packets are placed into

the group. When selecting

TCP

or

UDP

, you need to set

Src Port

and

Src Port

ranges. When selecting

Application

, you may select

a proper protocol in the drop down list.

Remark

DSCP

as

If data packets match the parameters above, you can determine

whether to remark DSCP. The default setting is

Auto

.

After finishing the settings, click the

Add

button to add the new rule.

°

Delete a QoS Rule

If there are QoS rules in the QoS rule table, and you want to delete a QoS rule, you

can select the rule, and then click the

Delete

button to delete this rule.

°

Load Default Settings

Click the

Load Default

button on the

Quality of Service Settings

page, system will

load the default QoS rules. See the following figure:

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47

After loading the default rules, the four groups are redefined as

High

,

Middle

,

Default

, and

Low

, and the minimum bandwidth values of the corresponding groups

are changed as 30%, 20%, 5%, and 10%. You can also delete the default rules if

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48

necessary.

°

The examples of QoS Settings

-

Set the Upload Bandwidth

On the

Quality of Service Settings

page, enable the QoS, and set the upload

bandwidth. For example, set the value of upload bandwidth to be 2Mbps.

After finishing the settings, click the

Submit

button to submit the settings and the

following page appears.

-

Modify a Group Attribute

After enabling QoS, system establishes 4 groups. Click the

Modify

button of the

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49

corresponding group, and you can modify the attribute settings of the corresponding

group. Let’s take

High

group as an example.

On this page, set the

Rate

value to be 30. If the upload bandwidth is 2Mbps, when the

data flow is large, it indicates that the minimum bandwidth that

High

group can share

is 30% of the total bandwidth, that is, 06 Mbps. When the data flow is little, the

maximum bandwidth that

High

group can share is 100% of the total bandwidth, that is,

2Mbps.

-

Add a QoS Rule

Click the

Add

button on the

Quality of Service Settings

page to display the

Classifier Settings

page.

On this page, you can add a QoS group. For example, set the name to be Example1,

add it to the High group, and select the ICMP protocol.

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50

After finishing the settings, click the

Add

button and the new rule appears.

°

About DSCP

DSCP consists of 6 bits of IP packet header. It uses ToS field. This byte is also called

DSCP byte. Its position among the byte is as follows:

DS5 DS4 DS3 DS2 DS1 DS0 CU CU

DSCP priority: 6 bits (DS5-DS0)

Unused (CU): 2 bits

The values of DSCP priority are 64 (0~63). 0 is the lowest priority level, and the 63 is

the highest priority level. In fact, DSCP field is the superset of the IP priority field.

DSCP field is backward compatible with the IP priority. At present, the defined default

DSCP is 0. Class selector DSCP is backward compatible with the IP priority. The

values are 8, 16, 24, 32, 40, 48, and 56. Usually, EF (Expedited Forwarding) is used

for low delay service and the recommended value is 46 (101110).

AF (assured

forwarding) defines 4 service levels, and each service level includes three

descending levels. The following table shows the concrete values as follows:

Service level

priority

Type 1

Type 2

Type 3

Type 4

Low discarding priority

AF11 =

10

AF21 = 18

AF31 = 26

AF41 = 34

Medium discarding

priority

AF12 =

12

AF22 = 20

AF32 = 28

AF42 = 36

High discarding priority

AF13 =

14

AF23 = 22

AF33 = 30

AF43 = 38

5.4

Wireless Settings (Gateway Mode)

In the gateway mode, the following figure shows the navigation menu of the

Rate

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