Cisco CVR100W Router Manual PDF (Setup & Configuration Guide)

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Cisco CVR100W Wireless-N VPN Router Administration Guide

114

Configuring Quality of Service (QoS)

This chapter describes how to configure the quality of service (QoS) features. It

includes the following sections:

•

Configuring Bandwidth Management

•

Configuring QoS Port-Based Settings

•

Configuring CoS Settings

•

Configuring DSCP Settings

Configuring Bandwidth Management

You can manage the bandwidth of the traffic flowing from the secure network

(LAN) to the insecure network (WAN).

Configuring Bandwidth

You can limit the bandwidth to reduce the rate at which the CVR100W transmits

data. You can also use a bandwidth profile to limit the outbound traffic, thus

preventing the LAN users from consuming all of the bandwidth of the Internet link.

To set the upstream and downstream bandwidth:

STEP 1

Choose

QoS

>

Bandwidth Management

.

STEP

2

In the

Bandwidth Management

field, check

Enable

.

STEP

3

In the

Bandwidth Table

, enter the following information for the WAN interface:

Upstream

The bandwidth (kbs) used for sending data to the

Internet.

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Configuring Quality of Service (QoS)

Configuring Bandwidth Management

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STEP

4

Click

Save

.

Configuring Bandwidth Priority

In the

Bandwidth Priority

table, you can assign priorities to services to manage

the bandwidth usage.

To configure the bandwidth priorities:

STEP 1

Choose

QoS

>

Bandwidth Management.

STEP

2

In the

Bandwidth Management

field, check

Enable

.

STEP

3

In the

Bandwidth Priority

table, click

Add Row

.

STEP

4

Enter the following information:

STEP

5

Click

Save

.

STEP

6

To edit the settings of an entry in the table, check the relevant box and click

Edit

.

When you are done making changes, click

Save

.

STEP

7

To delete an entry from the table, check the relevant box and click

Delete

. Then,

click

Save

.

STEP

8

To add a new service definition, click

Configure Services

. You can define a new

service to use for all firewall and QoS definitions. See

Configuring Service

Management

for more information.

Downstream

The bandwidth (kbs) used for receiving data from the

Internet.

Enable

Check to enable bandwidth management for this

service.

Service Name

Choose the service to prioritize.

Direction

Choose the direction of the traffic that you want to

prioritize (

Downstream

or

Upstream

).

Priority

Choose the priority of the service (

Low

,

Normal

,

Medium

, or

High

).

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Configuring Quality of Service (QoS)

Configuring QoS Port-Based Settings

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Configuring QoS Port-Based Settings

You can configure QoS settings for each LAN port on the CVR100W. The

CVR100W supports 4 priority queues that allow for traffic prioritization per

physical switch port.

To configure QoS settings for the LAN ports:

STEP 1

Choose

QoS

>

QoS Port-Based Settings

.

STEP

2

For each port in the

QoS Port-Based Settings

table, enter the following

information:

STEP

3

Click

Save

.

STEP

4

To restore the default port-based QoS settings, click

Restore Default

. Then, click

Save

.

Trust Mode

Choose one of the following options from the drop-

down menu:

•

Port:

This setting enables the port based on

QoS. You can then set the traffic priority for a

particular port. The traffic queue priority starts

at the lowest priority of 1 and ends with the

highest priority of 4.

•

DSCP:

Differentiated Services Code Point

(DSCP). Enabling this feature prioritizes the

network traffic across the LAN based on the

DSCP queue mapping on the DSCP Settings

page.

•

CoS:

Class of Service (CoS). Enabling this

feature prioritizes the network traffic across the

LAN based on the CoS queue mapping on the

CoS Settings page.

Default Traffic

Forwarding Queue

for Untrusted

Devices

Choose a priority level for outbound traffic (1 to 4).

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Configuring Quality of Service (QoS)

Configuring CoS Settings

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Configuring CoS Settings

You can map CoS priority settings to the traffic forwarding queue on the

CVR100W.

NOTE

You first need to go to the QoS Port-Based Settings page by clicking the link on this

page to set the trust mode to CoS.

To map CoS priority settings to the traffic forwarding queue:

STEP 1

Choose

QoS

>

CoS Settings

.

STEP

2

For each CoS priority level in the

CoS Settings

table, choose a priority value from

the

Traffic Forwarding Queue

drop-down menu.

These values mark traffic types with higher or lower traffic priority depending on

the type of traffic.

STEP

3

Click

Save

.

STEP

4

To restore the default CoS settings, click

Restore Default

.

Configuring DSCP Settings

You can use the DSCP Settings page to configure DSCP-to-QoS queue mapping.

NOTE

You first need to go to the QoS Port-Based Settings page by clicking the link on this

page to set the trust mode to DSCP.

To configure DSCP-to-QoS queue mapping:

STEP 1

Choose

QoS

>

DSCP Settings

.

STEP

2

Choose whether to only list RFC values or to list all DSCP values in the

DSCP

Settings

table by clicking the relevant radio button.

STEP

3

For each DSCP value in the

DSCP Settings

table, choose a priority level from the

Queue

drop-down menu.

This maps the DSCP value to the selected QoS queue.

STEP

4

Click

Save

.

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Configuring Quality of Service (QoS)

Configuring DSCP Settings

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STEP

5

To restore the default DSCP settings, click

Restore Default

.

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