D-Link DGS-1248T Router Manual PDF (Setup & Configuration Guide)

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21

Port Settings

In the Port Settings menu (Figure 17), this page will display each port’s status.

Press the ID parameter to set each port’s

Speed, Flow Control, Default

priority, and Link Status

. When you need to renew the posted information,

press the “Refresh” button.

The

Link Status

in the screen will display the connection speed and duplex

mode; otherwise this dialog box will display

down

when the port is

disconnected.

Figure 17. Port Setting

Note 1: Be sure to reset the Gigabit port when transferring the media type (Fiber to Copper

or Copper to Fiber).

Note 2: The priority of Gigabit Fiber port is higher than Copper.

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22

To change the port setting, click on the ID parameter to enter the selected port

to configure its Speed/Disable and Flow control.

Figure 18. Port Setting

Speed/Disable:

This setting has six modes—

100M Full

,

100M Half

,

10M Full

,

10M Half

,

Auto and Disable

—for speed or port disable selections.

Flow Control:

This setting determines whether or not the Switch will be handling flow

control. Set Flow Control

to

Enable

for avoiding data transfer overflow. If it

is set to

Disable

, there is either no flow control or other hardware/software

management.

When the port is set to

forced mode

, the flow control will automatically be set

to

Disable.

Default Priority:

The Default Priority is specific the 802.1P QoS priority level to related port,

all of the received data packet will follow the Default Priority level

forwarding data packet to other port.

VLAN Settings (Virtual Local Area Network)

A VLAN is a collection of switch ports that make up a single broadcast

domain. You can configure a VLAN for a single switch, or for multiple

switches. When you create a VLAN, you can control traffic flow and ease the

administration of moves, adds, and changes on the network, by eliminating

the need to change physical cabling.

On VLAN settings, there are two main settings, VID Table Setting, Port

VLAN Setting, and Port Egress Setting.

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23

VID Table Setting:

Select the VID group that you set.

When you select VID Table Setting, press “Add new VID” to create new VID

group, from port 01 ~ port 48, select Untag Port, Tag Port, or Not Member

for each port. To save the VID group, press “Apply” button. To remove the

selected VID group, select the VID group and press “Remove the VID”

button. To modify the VID group setting, select the VID group and change

the setting, and press “Apply” button to save the settings.

Figure 19. VID Table Setting

Port VID Setting:

When you select Port VLAN setting, fill in each port’s PVID value between 1

and 4094.

Figure 20.

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24

Port Egress Setting:

The Port Egress is used to set the 802.1Q VLAN Egress rule in each port; the

selected port will include the TCI (Tag Control Information) data packets.

Figure 21. Port Egress Setting

Trunk Setting

The Trunk function enables the Switch to cascade two or more devices with

larger bandwidths.

There are ten Trunking groups to be set, and there are default ports in each

member. Click “Enable” to use the trunk function, select the ports in each

member to be trunk, and click “Apply” to activate the selected trunk group.

Figure 22. Trunk Setting

Be sure that the selected trunk setting port is connected to the device with a

same VLAN group.

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25

Mirror Setting

Port Mirroring is a method of monitoring network traffic that forwards a copy

of each incoming and/or outgoing packet from one port of a network switch

to another port where the packet can be studied. It enables the manager to

keep close track of switch performance and alter it if necessary.

Configuring the port mirroring by assigning a source port from which to copy

all packets and a sniffer port where those packets will be sent.

The selections of the sniffer mode are as follows:

TX (transmit) mode:

This mode will duplicate the data transmitted from the

source port and forward it to the sniffer port.

RX (receive) mode:

This mode will duplicate the data sent to the source and

forward it to the sniffer port.

Both (transmit and receive) mode:

This mode will duplicate both the data

transmitted from and data sent to the source port, then it will forward the data

to the sniffer port.

Figure 23. Mirror Setting

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