Mitrastar HGW-2501GN-R2 Router Manual PDF (Setup & Configuration Guide)

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Chapter 11

Quality of Service (QoS)

81

Table 37

QoS > Class Setup: Add/Edit

LABEL

DESCRIPTION

Rule Index

Select the (order) number of this rule.

Active

Select to enable this classifier.

Classification Order

Select an existing number for where you want to put this classifier to move the

classifier to the number you selected after clicking

Apply

.

Select

Last

to put this rule in the back of the classifier list.

Ether Type

Select a predefined application to configure a class for the matched traffic.

If you select

IPv4 (0x0800)

, you also need to configure source or destination MAC

address, IP address, DHCP options, DSCP value or the protocol type.

If you select

ARP (0x0806)

(available when you set

Interface

to

From LAN

), you can

configure source or destination MAC addresses.

If you select

802.1Q (0x8100)

(available when you set

Interface

to

From LAN

) you

can configure an 802.1p priority level.

Interface

Select whether to apply this class to traffic from the LAN or from the WAN.

To Queue

Select a queue to apply to this class (available when you set

Interface

to

From

WAN

).

You should have configured a queue in the

Queue Setup

screen already.

From Interface

Select the interface from which the traffic class comes.

IP Address

Select the check box and enter the source IP address in dotted decimal notation. A

blank source IP address means any source IP address.

IP Subnet Mask

Enter the source subnet mask.

Exclude

Select this option to exclude the packets that match the specified criteria from this

classifier.

Port Range

If you select

TCP

or

UDP

in the

IP Protocol

field, select the check box and enter the

port number(s) of the source.

Exclude

Select this option to exclude the packets that match the specified criteria from this

classifier.

MAC Address

Select the check box and enter the source MAC address of the packet.

MAC Mask

Type the mask for the specified MAC address to determine which bits a packet’s

MAC address should match.

Exclude

Select this option to exclude the packets that match the specified criteria from this

classifier.

IP Address

Select the check box and enter the destination IP address in dotted decimal

notation. A blank source IP address means any source IP address.

IP Subnet Mask

Enter the destination subnet mask.

Page 82 / 160

Chapter 11

Quality of Service (QoS)

82

Port Range

If you select

TCP

or

UDP

in the

IP Protocol

field, select the check box and enter the

port number(s) of the source.

MAC Address

Select the check box and enter the destination MAC address of the packet.

MAC Mask

Type the mask for the specified MAC address to determine which bits a packet’s

MAC address should match.

Exclude

Select this option to exclude the packets that match the specified criteria from this

classifier.

Service

Select the service classification of the traffic (

FTP

or

SIP

).

IP Protocol

This field is available only when you select

IPv4 (0x0800)

in the

Ether Type

field.

Select this option and select the protocol (service type) from

TCP

or

UDP

. If you

select

User defined

, enter the protocol (service type) number.

TCP ACK

This field is available only when you select

IPv4 (0x0800)

in the

Ether Type

field.

If you select this option, the matched TCP packets must contain the ACK

(Acknowledge) flag.

DHCP

This field is available only when you select

IPv4 (0x0800)

in the

Ether Type

field, and

UDP

in the

IP Protocol

field.

Select this option and select a DHCP option.

If you select

Vendor Class ID (DHCP Option 60)

, enter the

Class ID

of the matched

traffic, such as the type of the hardware or firmware.

If you select

User Class ID (DHCP Option 77)

, enter the

User Class Data

, which is a

string that identifies the user’s category or application type in the matched DHCP

packets.

If you select

ClientID (DHCP Option 61)

, enter the

Type

of the matched traffic and

Client ID

of the DHCP client.

If you select

VendorSpecificIntro (DHCP Option 125)

, enter the

Enterprise

Number

of the software of the matched traffic and

Vendor Class Data

used by all

the DHCP clients.

Packet Length

This field is available only when you select

IPv4 (0x0800)

in the

Ether Type

field.

Select this option and enter the minimum and maximum packet length (from 46 to

1504) in the fields provided.

IPP/DS Field

Select

IPP/TOS

to specify an IP precedence range and type of services.

Select

DSCP

to specify a DiffServ Code Point (DSCP) range.

IP Precedence

Range

Enter a range from 0 to 7 for IP precedence. 0 is the lowest priority and 7 is the

highest.

Type of Service

Select a type of service from the drop-down list box.

Available options are:

Normal service

,

Minimize delay

,

Maximize throughput

,

Maximize reliability

and

Minimize monetary cost

.

Table 37

QoS > Class Setup: Add/Edit (continued)

LABEL

DESCRIPTION

Page 83 / 160

Chapter 11

Quality of Service (QoS)

83

DSCP Range (0 ~

63)

Select this option and specify a DSCP (DiffServ Code Point) number between 0 and

63 in the field provided.

802.1P

Select this option and select a priority level (between 0 and 7) from the drop-down

list box.

"0" is the lowest priority level and "7" is the highest.

VLAN ID

Select this option and enter the source VLAN ID in this field.

Exclude

Select this option to exclude the packets that match the specified criteria from this

classifier.

Forward To

Select the interface through which traffic that matches the rule is forwarded out. If

you select

Unchange

, the Router forwards traffic of this class according to the

default routing table.

If traffic of this class comes from a WAN interface and is in a queue that forwards

traffic through the LAN/WLAN interface, the Router ignores the setting here.

IPP/DS Field

Select

IPP/TOS

to specify an IP precedence range and type of services.

Select

DSCP

to specify a DiffServ Code Point (DSCP) range.

IP Precedence

Mark

Enter a range from 0 to 7 to re-assign IP precedence to matched traffic. 0 is the

lowest priority and 7 is the highest.

Type Of Service

Mark

Select a type of service to re-assign the priority level to matched traffic.

DSCP Mark(0~63)

This field is available only when you select

IPv4 (0x0800)

in the

Ether Type

field.

If you select

Mark

, enter a DSCP value with which the Router replaces the DSCP field

in the packets.

If you select

Unchange

, the Router keep the DSCP field in the packets.

802.1Q Tag

If you select

Remark

, select a priority level (in the

Ethernet Priority

field) and enter

a VLAN ID number (in the

VLAN ID

field) with which the Router replaces the IEEE

802.1p priority field and VLAN ID of the frames.

If you select

Remove

, the Router deletes the VLAN ID of the frames before

forwarding them out.

If you select

Add

, the Router treat all matched traffic untagged and add a second

priority level and VLAN ID that you specify in the

Ethernet Priority

and

VLAN ID

fields.

If you select

Same

, the Router keep the Ethernet Priority and VLAN ID in the packets.

To configure the Ethernet Priority, you can either select a priority number in the first

drop-down list box (7 is the highest and 0 is the lowest priority) or select an

application from the second drop-down list box which automatically maps to the

corresponding priority number. (Key Net Traffic: 7; Voice: 6; Video: 5; IGMP: 4; Key

Data: 3)

VLAN ID

Select this option and enter the source VLAN ID in this field.

Table 37

QoS > Class Setup: Add/Edit (continued)

LABEL

DESCRIPTION

Page 84 / 160

Chapter 11

Quality of Service (QoS)

84

11.4

The QoS Monitor Screen

To view the Router’s QoS packet statistics, click

Network Setting > QoS >

Monitor

.

Figure 40

Network Setting > QoS > Monitor

Table 38

Network Setting > QoS > Monitor

LABEL

DESCRIPTION

Refresh Interval

Enter how often you want the Router to update this screen and click

Set Interval

.

Click

Stop

to stop refreshing statistics.

Interface Monitor

#

This is the index number of the entry.

Name

This shows the name of the interface on the Router.

Pass Rate (bps)

This shows how much traffic (bps) forwarded to this interface are transmitted

successfully.

Queue Monitor

#

This is the index number of the entry.

Name

This shows the name of the queue.

Pass Rate (bps)

This shows how much traffic (bps) assigned to this queue are transmitted

successfully.

Page 85 / 160

12

Chapter

Chapter 12

Network Address Translation (NAT)

85

C

HAPTER

12

Chapter 12

Network Address Translation

(NAT)

12.1

The General Screen

Click

Network Setting > NAT

to open the

General

screen. You can limit the number of concurrent

NAT sessions each client can use.

Figure 41

Network Setting > NAT > General

Table 39

Network Setting > NAT > General

LABEL

DESCRIPTION

NAT Full

Feature on

Select this check box if you have multiple public WAN IP addresses for your Router.

Max NAT/

Firewall

Session Per

User

Use this field to set a common limit to the number of concurrent NAT sessions each client

computer can have.

If only a few clients use peer to peer applications, you can raise this number to improve

their performance. With heavy peer to peer application use, lower this number to ensure

no single client uses too many of the available NAT sessions.

12.2

The Port Forwarding Screen

Use the

Port Forwarding

screen to forward incoming service requests to the servers on your local

network.

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