D-Link DES-6500 Router Manual PDF (Setup & Configuration Guide)

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D-Link DES-6500 Layer 3 Stackable Gigabit Ethernet Switch

58

802.1p Default Priority

The switch allows the assignment of a default 802.1p priority to each port on the switch. In

the

Configuration

folder open the

QoS

folder and click

802.1p Default Priority

, to view the

screen shown below.

Figure 4- 27. 802.1p Default Priority window

This page allows you to assign a default 802.1p priority to any given port on the switch.

The

priority queues are numbered from 0

−

the lowest priority

−

to 7

−

the highest priority.

802.1p User Priority

The DES-6500 allows the assignment of a User Priority to each of the 802.1p priorities. In the

Configuration

folder open the

QoS

folder and click

802.1p User Priority

, to view the screen shown below.

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D-Link DES-6500 Layer 3 Stackable Gigabit Ethernet Switch

59

Figure 4- 28. User Priority Configuration window

Once you have assigned a priority to the port groups on the switch, you can then assign this

Class to each of the 8 levels of 802.1p priorities.

Configuring Traffic Segmentation

Traffic segmentation is used to limit traffic flow from a single port to a group of ports on

either a single switch (in standalone mode) or a group of ports on another switch in a switch

stack. This method of segmenting the flow of traffic is similar to using VLANs to limit traffic,

but is more restrictive. It provides a method of directing traffic that does not increase the

overhead of the Master switch CPU.

In the

Configuration

folder open the

QoS

folder and click

Traffic Segmentation

, to view

the screen shown below.

Figure 4- 29. Traffic Segmentation window

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D-Link DES-6500 Layer 3 Stackable Gigabit Ethernet Switch

60

Click on the

Setup

button to open the

Setup Forwarding ports

page, as shown below.

Figure 4- 30. Setup Forwarding Ports window

This page allows you to determine which port on a given switch in a switch stack will be

allowed to forward packets to other ports on that switch.

Configuring traffic segmentation on the DES-6500 is accomplished in two parts. First you

specify a switch from a switch stack, and then a port from that switch. Then you specify a

second switch from the switch stack, and then you select which ports (or different ports on the

same switch,) on that switch that you want to be able to receive packets from the switch and

port you specified in the first part.

In the example above, the switch is Unit 1 and port 5 is selected as the transmitting port.

Ports

1-3 and 9-24 are selected as being able to receive packets from port 5.

Clicking the

Apply

button will enter the combination of transmitting port and allowed

receiving ports into the switch’s Traffic Segmentation table.

The

Unit

drop-down menu at the top of the page allows you to select a switch from a switch

stack using that switch’s Unit ID.

The

Port

drop-down menu allows you to select a port from

that switch.

This is the port that will be transmitting packets.

The

Unit

drop-down menu under the Setup Forwarding ports heading allows you to select a

switch from a switch stack using that switch’s Unit ID.

The

Forward Port

click boxes allow

you to select which of the ports on the selected switch will be able to forward packets.

These

are the ports that will be allowed to receive packets from the port specified above.

Click

Apply

to enter the settings into the Switch’s

Traffic Segmentation

table.

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D-Link DES-6500 Layer 3 Stackable Gigabit Ethernet Switch

61

The System Log Server

The Switch can send Syslog messages to up to four designated servers using the

System Log

Server

. In the

Configuration

folder click

System Log Server

, to view the screen shown

below.

Figure 4- 31. System Log Server window

The parameters configured for adding and editing System Log Server settings are the same.

See the table below for a description.

Figure 4- 32. System Log Servers

−

Add

The following parameters can be set:

Parameter

Description

Index

Syslog server settings index (1-4).

Server IP

The IP address of the Syslog server.

Severity

This drop-down menu allows you to select the level of messages that will

be sent.

The options are

Warning, Informational

, and

All

.

Facility

Some of the operating system daemons and processes have been

assigned Facility values.

Processes and daemons that have not been

explicitly assigned a Facility may use any of the "local use" facilities or they

may use the "user-level" Facility. Those Facilities that have been

designated are shown in the following: Bold font means the facility values

that the switch currently now.

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D-Link DES-6500 Layer 3 Stackable Gigabit Ethernet Switch

62

Numerical

Facility

Code

0

kernel messages

1

user-level messages

2

mail system

3

system daemons

4

security/authorization messages

5

messages generated internally by syslog line printer subsystem

7

network news subsystem

8

UUCP subsystem

9

clock daemon

10

security/authorization messages

11

FTP daemon

12

NTP subsystem

13

log audit

14

log alert

15

clock daemon

16

local use 0

(local0)

17

local use 1

(local1)

18

local use 2

(local2)

19

local use 3

(local3)

20

local use 4

(local4)

21

local use 5

(local5)

22

local use 6

(local6)

23

local use 7

(local7)

UDP Port (6000-

65535)

Type the UDP port number used for sending Syslog messages.

The

default is 514.

Status

Choose

Enabled

or

Disabled

to activate or deactivate this

Configuring SNTP Settings

The

Simple Network Time Protocol (SNTP)

{an adaptation of the Network Time Protocol

(NPT)} is configured on the switch using the following pages.

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