TP-LINK Smart Switch Specifikace

TL-SG2452 48-Port Gigabit Smart Switch with 4 SFP Slots Rev: 1.0.0 1910010787

Chapter Introduction Chapter 4 System This module is used to configure system properties of the switch. Here mainly introduces:  System Info: Con

The following entries are displayed on this screen:  Rate Limit Config Port Select: Click the Select button to quick-select the corresponding port

Figure 9-11 Storm Control The following entries are displayed on this screen:  Storm Control Config Port Select: Click the Select button to quick-

Chapter 10 SNMP  SNMP Overview SNMP (Simple Network Management Protocol) has gained the most extensive application on the UDP/IP networks. SNMP pr

SNMP v1: SNMP v1 adopts Community Name authentication. The community name is used to define the relation between SNMP Management Station and SNMP Age

management station. The specified User Name and the Auth/Privacy Password are used for SNMP Management Station to access the SNMP Agent, functioning

10.1.2 SNMP View The OID (Object Identifier) of the SNMP packets is used to describe the managed objects of the switch, and the MIB (Management Info

Choose the menu SNMP→SNMP Config→SNMP Group to load the following page. Figure 10-5 SNMP Group The following entries are displayed on this screen: 

Notify View: Select the View to be the Notify View. The management stationcan receive trap messages of the assigned SNMP view generatedby the switch

The following entries are displayed on this screen:  User Config User Name: Enter the User Name here. User Type: Select the type for the User. 

10.1.5 SNMP Community SNMP v1 and SNMP v2c adopt community name authentication. The community name can limit access to the SNMP agent from SNMP netw

Chapter Introduction Chapter 10 SNMP This module is used to configure SNMP function to provide a management frame to monitor and maintain the netwo

Configuration Procedure:  If SNMPv3 is employed, please take the following steps: Step Operation Description 1 Enable SNMP function globally. Re

10.2 Notification With the Notification function enabled, the switch can initiatively report to the management station about the important events tha

Type: Select the type for the notifications.  Trap: Indicates traps are sent.  Inform: Indicates informs are sent. The Inform type has a higher

RMON Group Function History Group After a history group is configured, the switch collects and records network statistics information periodically,

10.3.2 Event Config On this page, you can configure the RMON events. Choose the menu SNMP→RMON→Event Config to load the following page. Figure 10-1

Figure 10-11 Alarm Config The following entries are displayed on this screen:  Alarm Table Select: Select the desired entry for configuration. In

Interval: Enter the alarm interval time in seconds. Owner: Enter the name of the device or user that defined the entry. Status: Select Enable/Disa

Chapter 11 Maintenance Maintenance module, assembling the commonly used system tools to manage the switch, provides the convenient method to locate

Click the Monitor button to enable the switch to monitor and display its CPU utilization rate every four seconds. 11.1.2 Memory Monitor Choose the m

Severity Level Description informational 6 Informational messages debugging 7 Debug-level messages Table 11-1 Log Level The Log function is impleme

Chapter 2 Introduction Thanks for choosing the TL-SG2452 48-Port Gigabit Smart Switch with 4 SFP Slots! 2.1 Overview of the Switch Designed for wor

11.2.2 Local Log Local Log is the log information saved in switch. By default, all system logs are saved in log buffer and the logs with severities

Figure 11-5 Log Host The following entries are displayed on this screen:  Log Host Index: Displays the index of the log host. The switch supports

The following entry is displayed on this screen:  Backup Log Backup Log: Click the Backup Log button to save the log as a file to your computer.

Note: 1. The Length displayed here is the length of pair cable not that of the physical cable. 2. The test result is just for your reference. 11.3.

Figure 11-9 Ping The following entries are displayed on this screen:  Ping Config Destination IP: Enter the IP address of the destination node fo

Figure 11-10 Tracert The following entries are displayed on this screen:  Tracert Config Destination IP: Enter the IP address of the destinatio

Appendix A: Specifications IEEE802.3 10Base-T Ethernet IEEE802.3u 100Base-TX/100Base-FX Fast Ethernet IEEE802.3ab 1000Base-T Gigabit Ethernet IEEE802

Appendix B: Configuring the PCs In this section, we’ll introduce how to install and configure the TCP/IP correctly in Windows 2000. First make sure y

121 5) The following TCP/IP Properties window will display and the IP Address tab is open on this window by default. Figure B-3 6) Select Use the fo

Appendix C: Glossary Boot Protocol (BOOTP) BOOTP is used to provide bootup information for network devices, including IP address information, the add

 Reset: Press this button for five seconds or above to reset the software setting back to factory default setting.  10/100/1000Mbps Ports: Design

“querier” and assumes responsibility for keeping track of group membership. IGMP Snooping Listening to IGMP Query and IGMP Report packets transferred

124 Remote Monitoring (RMON) RMON provides comprehensive network monitoring capabilities. It eliminates the polling required in standard SNMP, and ca

Chapter 3 Login to the Switch 3.1 Login 1) To access the configuration utility, open a web-browser and type in the default address http://192.168.0

Figure 3-3 Main Setup-Menu Note: Clicking Apply can only make the new configurations effective before the switch is rebooted. If you want to keep t

Chapter 4 System The System module is mainly for system configuration of the switch, including four submenus: System Info, User Management, System T

Figure 4-2 Port Information  Port Info Port: Displays the port number of the switch. Type: Displays the type of the port. Rate: Displays the ma

Figure 4-4 Device Description The following entries are displayed on this screen:  Device Description Device Name: Enter the name of the switch.

Note: The system time will be restored to the default when the switch is restarted and you need reconfigure the system time of the switch. 4.1.4 Dayl

COPYRIGHT & TRADEMARKS Specifications are subject to change without notice. is a registered trademark of TP-LINK TECHNOLOGIES CO., LTD. Other

Date Mode: Specify the DST configuration in Date mode. This configuration is one-off in use.  Offset: Specify the time adding in minutes when Dayl

Management VLAN: Enter the ID of management VLAN, the only VLAN through which you can get access to the switch. By default VLAN1 owning all the port

switch. The Web management pages contained in this guide are subject to the admin’s login without any explanation. Choose the menu System→User Manag

Operation: Click the Edit button of the desired entry, and you can edit the corresponding user information. After modifying the settings, please cli

Figure 4-11 Config Backup The following entries are displayed on this screen:  Config Backup Backup Config: Click the Backup Config button to sav

4.3.4 System Reboot On this page you can reboot the switch and return to the login page. Please save the current configuration before rebooting to av

Figure 4-15 Access Control The following entries are displayed on this screen:  Access Control Config Control Mode: Select the control mode for u

20  Session Config Session Timeout: If you do nothing with the Web management page within the timeout time, the system will log out automatically.

Chapter 5 Switching Switching module is used to configure the basic functions of the switch, including four submenus: Port, LAG, Traffic Monitor and

Description: Give a description to the port for identification. Status: Allows you to Enable/Disable the port. When Enable is selected, the port ca

II Safety Information  When product has power button, the power button is one of the way to shut off the product; When there is no power button,

The following entries are displayed on this screen.  Mirror Group List Group: Displays the mirror group number. Mirroring: Displays the mirroring

 Mirrored Port Port Select: Click the Select button to quick-select the corresponding port based on the port number you entered. Select: Select t

Figure 5-4 Port Security The following entries are displayed on this screen:  Port Security Select: Select the desired port for Port Security con

Note: The Port Security function is disabled for the LAG port member. Only the port is removed from the LAG, will the Port Security function be avail

high-bandwidth data path, so as to implement the traffic load sharing among the member ports in the group and to enhance the connection reliability.

 Global Config Hash Algorithm: Select the applied scope of Aggregate Arithmetic, which results in choosing a port to transfer the packets.  SRC

Figure 5-8 Manually Config The following entries are displayed on this screen:  LAG Config Group Number: Select a Group Number for the LAG. Des

Figure 5-9 Traffic Summary The following entries are displayed on this screen:  Auto Refresh Auto Refresh: Allows you to Enable/Disable refreshin

5.3.2 Traffic Statistics Traffic Statistics screen displays the detailed traffic information of each port, which facilitates you to monitor the traff

Unicast: Displays the number of good unicast packets received or transmitted on the port. The error frames are not counted in. Alignment Errors: Di

CONTENTS Package Contents ...1

This function includes four submenus: Address Table, Static Address, Dynamic Address and Filtering Address. 5.4.1 Address Table On this page, you can

5.4.2 Static Address The static address table maintains the static address entries which can be added or removed manually, independent of the aging t

MAC Address: Displays the static MAC Address. VLAN ID: Displays the corresponding VLAN ID of the MAC address. Port: Displays the corresponding Por

Figure 5-13 Dynamic Address The following entries are displayed on this screen:  Aging Config Auto Aging: Allows you to Enable/Disable the Auto A

Bind: Click the Bind button to bind the MAC address of your selected entryto the corresponding port statically. Tips: Setting aging time properly h

38  Search Option Search Option: Select a Search Option from the drop-down list and click the Search button to find your desired entry in the Filt

Chapter 6 VLAN The traditional Ethernet is a data network communication technology based on CSMA/CD (Carrier Sense Multiple Access/Collision Detect)

6.1 802.1Q VLAN VLAN tags in the packets are necessary for the switch to identify packets of different VLANs. The switch works at the data link laye

（3） GENERAL: The GENERAL port can be added in multiple VLANs and set various egress rules according to the different VLANs. The default egress rule

6.1.1 VLAN Config On this page, you can view the current created 802.1Q VLAN. Choose the menu VLAN→802.1Q VLAN→VLAN Config to load the following page

5.1.3 Port Security ...24 5.1.4 Port Isolation ...

Figure 6-4 Create or Modify 802.1Q VLAN The following entries are displayed on this screen:  VLAN Config VLAN ID: Enter the ID number of VLAN. De

Egress Rule: Select the Egress Rule for the VLAN port member. The default egress rule is UNTAG.  TAG: All packets forwarded by the port are tagged

Link Type: Select the Link Type from the drop-down list for the port.  ACCESS: The ACCESS port can be added in a single VLAN, and the egress rule

Configuration Procedure: Step Operation Description 1 Set the link type for port. Required. On the VLAN→802.1Q VLAN→Port Config page, set the link

 Configuration Procedure  Configure switch A Step Operation Description 1 Configure the Link Type of the ports Required. On VLAN→802.1Q VLAN→Po

Chapter 7 Spanning Tree STP (Spanning Tree Protocol), subject to IEEE 802.1D standard, is to disbranch a ring network in the Data Link layer in a lo

Figure 7-1 Basic STP diagram  STP Timers Hello Time: Hello Time ranges from 1 to 10 seconds. It specifies the interval to send BPDU packets. It

 Comparing BPDUs Each switch sends out configuration BPDUs and receives a configuration BPDU on one of its ports from another switch. The followi

stops forwarding data and the designated port of the upstream switch begins to forward data.  The condition for the designated port to transit its

Figure 7-2 Basic MSTP diagram  MSTP MSTP divides a network into several MST regions. The CST is generated between these MST regions, and multiple

8.2 Multicast IP ...78 8.2.1 Multicas

Figure 7-3 Port roles The Spanning Tree module is mainly for spanning tree configuration of the switch, including four submenus: STP Config, Port Co

The following entries are displayed on this screen:  Global Config STP: Select Enable/Disable STP function globally on the switch. Version: Selec

7.1.2 STP Summary On this page you can view the related parameters for Spanning Tree function. Choose the menu Spanning Tree→STP Config→STP Summary t

Figure 7-6 Port Config The following entries are displayed on this screen:  Port Config Port Select: Click the Select button to quick-select the

 Designated Port: Indicates the port that forwards packets to a downstream network segment or switch.  Master Port: Indicates the port that conne

Figure 7-7 Region Config The following entries are displayed on this screen:  Region Config Region Name: Create a name for MST region identificat

The following entries are displayed on this screen:  Instance Table Instance ID Select: Click the Select button to quick-select the corresponding

Figure 7-9 Instance Port Config The following entries are displayed on this screen:  Port Config Instance ID: Select the desired instance ID for

Global configuration Procedure for Spanning Tree function: Step Operation Description 1 Make clear roles the switches play in spanning tree instan

high-speed links may lead to low-speed links, and network congestion may occur. To avoid this, MSTP provides root protect function. Ports with this f

VI 11.3 Device Diagnostics ... 115 11.3.1 Cable Tes

Figure 7-10 Port Protect The following entries are displayed on this screen:  Port Protect Port Select: Click the Select button to quick-select t

7.4.2 TC Protect When TC Protect is enabled for the port on Port Protect page, the TC threshold and TC protect cycle need to be configured on this pa

 Configuration Procedure  Configure switch A: Step Operation Description 1 Configure ports On VLAN→802.1Q VLAN page, configure the link type

 Configure switch C: Step Operation Description 1 Configure ports On VLAN→802.1Q VLAN page, configure the link type of the related ports as Trun

links; the gray paths are the blocked links.  For Instance 2 (VLAN 102, 104 and 106), the blue paths in the following figure are connected links

Chapter 8 Multicast  Multicast Overview In the network, packets are sent in three modes: unicast, broadcast and multicast. In unicast, the source

 Multicast Address 1. Multicast IP Address: As specified by IANA (Internet Assigned Numbers Authority), Class D IP addresses are used as destinatio

 IGMP Snooping In the network, the hosts apply to the near router for joining (leaving) a multicast group by sending IGMP (Internet Group Managemen

3. IGMP Leave Message The host, running IGMPv1, does not send IGMP leave message when leaving a multicast group, as a result, the switch can not get

Figure 8-4 Basic Config The following entries are displayed on this screen:  Global Config IGMP Snooping: Select Enable/Disable IGMP Snooping fun

Package Contents The following items should be found in your box:  One 48-Port Gigabit Smart Switch with 4 SFP Slots  One power cord  Two mount

Figure 8-5 Port Config The following entries are displayed on this screen:  Port Config Port Select: Click the Select button to quick-select the

Figure 8-6 VLAN Config The following entries are displayed on this screen:  VLAN Config VLAN ID: Enter the VLAN ID to enable IGMP Snooping for th

Router Port Time: Displays the router port time of the VLAN. Member Port Time: Displays the member port time of the VLAN. Leave Time: Displays the

Figure 8-7 Multicast VLAN The following entries are displayed on this screen:  Multicast VLAN Multicast VLAN: Select Enable/Disable Multicast VLA

Configuration procedure: Step Operation Description 1 Enable IGMP Snooping function Required. Enable IGMP Snooping globally on the switch and for t

 Configuration Procedure Step Operation Description 1 Create VLANs Create three VLANs with the VLAN ID 3, 4 and 5 respectively, and specify th

8.2.1 Multicast IP Table On this page you can view the multicast IP table on the switch. Choose the menu Multicast→Multicast IP→Multicast IP Tabl

Choose the menu Multicast→Multicast IP→Static Multicast IP to load the following page. Figure 8-9 Static Multicast IP Table The following entries ar

When applying for a multicast group, the host will send IGMP report message. After receiving the report message, the switch will firstly check the mu

Choose the menu Multicast→Multicast Filter→Port Filter to load the following page. Figure 8-11 Port Filter The following entries are displayed on th

Chapter 1 About this Guide This User Guide contains information for setup and management of TL-SG2452 48-Port Gigabit Smart Switch with 4 SFP Slots.

Configuration Procedure: Step Operation Description 1 Configure IP-Range Required. Configure IP-Range to be filtered on Multicast→Multicast Filter

 IGMP Statistics Port Select: Click the Select button to quick-select the corresponding port based on the port number you entered. Port: Displays

Chapter 9 QoS QoS (Quality of Service) functions to provide different quality of service for various network applications and requirements and optim

2. 802.1P Priority Figure 9-2 802.1Q frame As shown in the figure above, each 802.1Q Tag has a Pri field, comprising 3 bits. The 3-bit priority f

Figure 9-4 SP-Mode 2. WRR-Mode: Weight Round Robin Mode. In this mode, packets in all the queues are sent in order based on the weight value for ea

The QoS module is mainly for traffic control and priority configuration, including two submenus: DiffServ and Bandwidth Control. 9.1 DiffServ This s

Configuration Procedure: Step Operation Description 1 Select the port priority Required. On QoS→DiffServ→Port Priority page, configure the port

9.1.3 802.1P Priority On this page you can configure 802.1P priority. 802.1P gives the Pri field in 802.1Q tag a recommended definition. This field i

Figure 9-9 DSCP Priority The following entries are displayed on this screen:  DSCP Priority Config DSCP Priority: Select Enable or Disable DSCP P

Configuration Procedure: Step Operation Description 1 Log on to the DSCP Priority page 2 Enable DP priority function Required. By default, the