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Chapter 5: Using the Web-based Utility for Configuration

Setup Tab - Network Settings

24-Port 10/100/1000 Gigabit Switch with Webview and PoE

PoE Information

Maximum Available Power

. Displays the maximum power that can be supplied to a connected PoE device.

System Operation Status

. Displays whether the Switch can provide PoE power or not.

Mainpower Consumption

. Displays the current number of watts that the Switch is providing to PoE devices.

Setup Tab - Network Settings

The

Network Settings

screen allows you to assign DHCP or static IP settings to interfaces and assign default

gateways.

Identification

System Name

. This field allows you to assign a system name.

System Location

. This field is used for entering a description of where the Switch is located, such as 3rd floor.

System Contact

. Enter the administrative contact person in this field.

System Object ID

. The system object identifier is displayed here.

Base MAC Address

. This is the MAC address of the Switch.

IP Configuration

Management VLAN

. This drop-down allows you to select the Management VLAN.

IP Address Mode

. This drop-down allows you to select Static or Dynamic IP address configuration.

Host Name

. Enter the DHCP Host Name here.

IP Address

. If using a static IP address, enter the IP address here.

Subnet Mask

. Enter the subnet mask of the currently configured IP address.

Default Gateway

. Enter the IP address of the Default Gateway.

DNS Server

. Enter the primary DNS Server information.

Figure 5-3: Setup - Network Settings

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Chapter 5: Using the Web-based Utility for Configuration

Setup Tab - Time

24-Port 10/100/1000 Gigabit Switch with Webview and PoE

You can click

Restart DHCP

to assign a new IP address using DHCP.

Click the

Save Settings

button to save your changes or click Cancel Changes to discard the information.

Setup Tab - Time

The

Time

screen allows you to configure the time settings for the Switch. Simple Network Time Protocol (SNTP)

allows the Switch to set its internal clock based on periodic updates from a time server (SNTP or NTP).

Maintaining an accurate time on the Switch enables the system log to record meaningful dates and times for

event entries. If the clock is not set, the Switch will only record the time from the factory default set at the last

bootup. When the SNTP client is enabled, the Switch periodically sends a request for a time update to a

configured time server. You can configure up to two time server IP addresses. The Switch will attempt to poll

each server in the sequence.

Set Time

Set the system time manually

. When this option is selected, the local hardware clock is utilized.

Set the system time using Simple Network Time Protocol (SNTP) automatically

. When this option is

selected, the time is synchronized to an SNTP server.

Manual

Hours

. The hour can be entered here.

Minutes

. The minutes can be entered here.

Seconds

. The seconds can be entered here.

Month

. The month can be entered here.

Day

. The day can be entered here.

Year

. The year can be entered here.

Automatic

Time Zone

. Select your time zone from the drop-down menu.

Figure 5-4: Setup - Time

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Chapter 5: Using the Web-based Utility for Configuration

Port Management Tab - Port Settings

24-Port 10/100/1000 Gigabit Switch with Webview and PoE

Daylight Savings

. Select

Daylight Savings

to enable it on the Switch. If the Switch should use US daylight

savings, then select

USA

. If the Switch should use EU daylight savings, then select

European

. If it should use

another kind of daylight savings, then select

Custom

and complete the

From

and

To

fields.

Time Set

. For non-US and European countries, specify the amount of time for daylight savings. The default is

60

minutes. You may enter 1-1440 minutes.

From

. If you selected Other for the

Daylight Saving

setting, then enter the date and time when daylight savings

begins.

To

. If you selected Other for the

Daylight Saving

setting, then enter the date and time when daylight savings ends.

Recurring

. If you selected Other for the

Daylight Saving

setting and daylight savings has the same start and end

dates and times every year, then select

Recurring

.

From

. If you selected Recurring, then enter the date and time when daylight savings begins.

To

. If you selected Recurring, then enter the date and time when daylight savings ends.

SNTP Servers

Server1

. Enter the primary SNTP server here.

Server2

. Enter a secondary SNTP server here.

SNTP Polling Interval

. The value defined here determines the amount of time (in seconds) before the Switch

polls the SNTP server. The default value is every 1024 seconds (approx. 17 minutes). You may enter 60-86400

seconds.

Click the

Save Settings

button to save your changes or click Cancel Changes to discard the information.

Port Management Tab - Port Settings

The

Port Management - Port Settings

screen shows you the settings for each of the Switch’s ports.

Port

. The number of the port. To use an SFP module, click on the

Detail

button of the appropriate port (g1, g2).

Description

. Displays a brief description of the port (can be entered by clicking on the

Detail

button).

Administrative Status

. The port can be taken offline by selecting the Disabled option. When Enabled is selected,

the port can be accessed normally.

Figure 5-5: Port Management - Port Settings

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Chapter 5: Using the Web-based Utility for Configuration

Port Management Tab - Port Settings

24-Port 10/100/1000 Gigabit Switch with Webview and PoE

Link Status

. Up indicates a port has an active connection, Down indicates there is no active connection or the

port has been taken offline by an Administrator.

Speed

. The connection speed of the port is displayed here. The speed can be configured only when

auto-negotiation is disabled on that port.

Duplex

. This is the port duplex mode, Full (transmission occurs in both directions simultaneously) or Half

(transmission occurs in only one direction at a time). This mode can be configured only when auto-negotiation is

disabled and port speed is set to 10Mbps or 100Mbps. It cannot be configured on Link Aggregation Groups

(LAGs).

MDI/MIDX

. This is the MDI/MDIX status of the port. The

MDI

setting is used if the port is connected to an end

station. The

MDIX

setting is used if the port is connected to a hub or another switch.

Flow Control

. This is the flow control status of the port. It is active when the port uses Full Duplex Mode.

Type.

Displays the port type.

LAG

. This indicates if the port is part of a LAG.

Detail

. The Detail button will open the Port Setting screen.

Port Setting

Port

. Select the number of the port from the drop-down menu.

Port Configuration

Description

. Allows you to describe an interface. (Range: 1-64 characters)

Port Type

. This is the port type.

Speed Duplex

. Allows you to manually set the port speed and duplex mode. (i.e., with auto-negotiation disabled)

Auto-negotiation

(Port Capabilities). Allows auto-negotiation to be enabled/disabled. When auto-negotiation is

enabled, you need to specify the capabilities to be advertised. When auto-negotiation is disabled, you can force

the settings for speed, mode, and flow control. The following capabilities are supported.

•

10half - Supports 10 Mbps half-duplex operation

•

10full - Supports 10 Mbps full-duplex operation

Figure 5-6: Port Settings - Port Setting Detail

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Chapter 5: Using the Web-based Utility for Configuration

Port Management Tab - Link Aggregation

24-Port 10/100/1000 Gigabit Switch with Webview and PoE

•

100half - Supports 100 Mbps half-duplex operation

•

100full - Supports 100 Mbps full-duplex operation

•

1000half - Supports 1000 Mbps half-duplex operation

•

1000full - Supports 1000 Mbps full-duplex operation

•

Sym (Gigabit only) - Check this item to transmit and receive pause frames, or clear it to auto-negotiate the

sender and receiver for asymmetric pause frames. (The current switch chip only supports symmetric pause

frames.)

Flow Control. Enables flow control. Flow control can eliminate frame loss by “blocking” traffic from end stations

or segments connected directly to the Switch when its buffers fill. When enabled, back pressure is used for half-

duplex operation and IEEE 802.3x for full-duplex operation. (Avoid using flow control on a port connected to a hub

unless it is actually required to solve a problem. Otherwise, back pressure jamming signals may degrade overall

performance for the segment attached to the hub.

(Default: Autonegotiation enabled; Advertised capabilities for 100Base-TX – 10half, 10full, 100half, 100full;

1000Base-T – 10half, 10full, 100half, 100full, 1000full; 1000Base-SX/LX/LH – 1000full)

Port Broadcast Control

You can protect your network from broadcast storms by setting a threshold for broadcast traffic for all ports. Any

broadcast packets exceeding the specified threshold will then be dropped.

Status

. To enable broadcast control on a specified port, select

Enabled

for that port.

Threshold

. Set the threshold using the

Threshold

field. You may enter 64-1000000 K/bits/sec.

After you modify the required port settings, click

Apply

.

Click the

Save Settings

button to save your changes.

Port Management Tab - Link Aggregation

LAG

. This indicates if the port is part of a LAG.

Description

. Description for this LAG.

Administrative Status

. The admin status of the LAG. Up indicates that the LAG is available. Down indicates that

administrator has taken the port offline. When modifying the option, be sure to click the

Save Settings

option.

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