ZTE ZXDSL 931VII Netvigator Router Manual PDF (Setup & Configuration Guide)

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Chapter 10 QoS Conﬁguration

F

IGURE

133 Q

O

S C

LASSIFICATION

C

ONFIGURATION

3.

T

a

b

l

e

2

1

is a description of the different options.

T

ABLE

21 Q

O

S C

LASSIFICATION

C

ONFIGURATION

O

PTIONS

Field

Description

Trafﬁc Class Name

Enter a name of the class.

Rule Order

Select order for queue.

Rule Status

Enable

or

disable

this

trafﬁc

class rule.

Assign Classiﬁcation Queue

Select a classiﬁcation queue.

Assign

Differentiated

Service

Code Point (DSCP) Mark

Select a mark service that modi-

ﬁes the original packet IP header

if

all

rules

deﬁned

within

the

classiﬁcation class are matched.

(CS - Mark IP Precedence, AF -

Assured Forwarding, EF - Expe-

dited Forwarding).

Mark 802.1p if 802.1q is enabled

Select an 802.1p priority num-

ber that serves as the 802.1p

value.

4.

There are two sets of classiﬁcation rules. ;

�

Set-1 is based on different ﬁelds within

TCP

/

UDP

/IP layer

plus physical

LAN

port.

�

Set-2 is based on MAC layer IEEE 802.1p priority ﬁeld.

Set-1 Rules contain the following:

Conﬁdential and Proprietary Information of ZTE CORPORATION

105

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ZXDSL 931WII Operation manual

�

Physical LAN port: Select one among

USB

port, Ethernet

ports and wireless port.

�

Protocol: Select one from TCP/UDP TCP UDP and ICMP pro-

tocols.

�

Source IP address

�

Source subnet mask

�

UPD/TCP source port or a range of ports

�

Destination IP address

�

Destination subnet mask

�

UPD/TCP destination port or a range of ports

�

Source Mac address

�

Source Mac mask

�

Destination Mac address

�

Destination Mac Mask

Set-2 Rules contain the following:

802.1p priority: The 802.1p header includes a 3-bit prioritiza-

tion ﬁeld, which allows packets to be grouped into eight levels

of priority (0-7), where level 7 is the highest one.

5.

Click

Save/Apply

to

save

the

conﬁguration

so

that

the

changes can take effect.

QoS - DSCP Setting

In order to understand what is

DSCP

, you should be familiarized

with the Differentiated Services model (Diffserv).

Diffserv is a Class of Service (CoS) model that enhances best-

effort Internet services by differentiating trafﬁc by users, service

requirements and other criteria. Packets are speciﬁcally marked,

allowing network nodes to provide different levels of service, via

priority queuing or bandwidth allocation, or by choosing dedicated

routes for speciﬁc trafﬁc ﬂows.

See the following diagram.

In the IPV4 packet have a

ToS

ﬁled.

Diffserv deﬁnes TOS ﬁeld in IP packet headers referred to as DSCP.

Hosts or routers that pass trafﬁc to a Diffserv-enabled network

typically mark each transmitted packet with an appropriate DSCP.

The DSCP markings are used by Diffserv network routers to ap-

propriately classify packets and to apply particular queue handing

or scheduling behavior.

For example, mark each transmitted ICMP packet which passing

trafﬁc to 0-32 classes with an appropriate DSCP (CS5), as shown

in .

106

Conﬁdential and Proprietary Information of ZTE CORPORATION

Page 113 / 198

Chapter 10 QoS Conﬁguration

F

IGURE

134 Q

O

S DSCP C

ONFIGURATION

E

XAMPLE

Click

Save/Apply

to save the conﬁguration so that the changes

can take effect.

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ZXDSL 931WII Operation manual

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C

h

a

p

t

e

r

1

Routing Configuration

Table of Contents

Routing – Default Gateway

...............................................

109

Static Routes

..................................................................

110

Policy Routing

.................................................................

111

RIP

................................................................................

113

Routing – Default Gateway

Select

Advanced Setup > Routing > Default Gateway

to dis-

play the interface as shown in

F

i

g

u

r

e

1

3

5

.

F

IGURE

135 D

EFAULT

G

ATEWAY

Select the dedicated WAN interface.

If there is no existing WAN interface to be selected for default

gateway, notice will be pop-up as shown in

F

i

g

u

r

e

1

3

6

.

Conﬁdential and Proprietary Information of ZTE CORPORATION

109

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