TP-Link TL-SL2428 - Manuals

8.2.1 Multicast IP Table ............................................................................................. 83 8.2.2 Static Multicast IP............................................................................................. 84 8.3 Multicast Filter.......................................

VI 11.3.1 Cable Test ...................................................................................................... 122 11.3.2 Loopback ....................................................................................................... 123 11.4 Network Diagnose .............................

Package Contents The following items should be found in your box:  One TL-SL2428 24-Port 10/100Mbps + 4-Port Gigabit Smart Switch  One power cord  Two mounting brackets and other fittings  Installation Guide  Resource CD for TL-SL2428 switch, including:  This User Guide  Other Helpful Informa...

Chapter 1 About this Guide This User Guide contains information for setup and management of TL-SL2428 switch. Please read this guide carefully before operation. 1.1 Intended Readers This Guide is intended for network managers familiar with IT concepts and network terminologies. 1.2 Conventions In th...

Chapter Introduction Chapter 10 SNMP This module is used to configure SNMP function to provide a management frame to monitor and maintain the network devices. Here mainly introduces:  SNMP Config: Configure global settings of SNMP function.  Notification: Configure notification function for the ma...

Chapter 2 Introduction Thanks for choosing the TL-SL2428 24-Port 10/100Mbps + 4-Port Gigabit Smart Switch! 2.1 Overview of the Switch Designed for workgroups and departments, TL-SL2428 from TP-LINK provides wire-speed performance and full set of layer 2 management features. It provides a variety of ...

2.3.2 Rear Panel The rear panel of TL-SL2428 features a power socket and a Grounding Terminal (marked with ). Figure 2-2 Rear Panel  Grounding Terminal: TL-SL2428 already comes with Lightning Protection Mechanism. You can also ground the Switch through the PE (Protecting Earth) cable of AC cord or ...

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://192.168.0.1 in the address field of the browser, then press the Enter key. Figure 3-1 Web-browser Tips: To log in to the Switch, the IP address of your PC should ...

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 the configurations effective even the switch is rebooted, please click Saving Config . You are suggested to click Saving Config before cutting off the pow...

Chapter 4 System The System module is mainly for system configuration of the switch, including four submenus: System Info , User Manage, System Tools and Access Security . 4.1 System Info The System Info, mainly for basic properties configuration, can be implemented on System Summary , Device Descri...

Indicates the 1000Mbps port is not connected to a device. Indicates the 1000Mbps port is at the speed of 1000Mbps. Indicates the 1000Mbps port is at the speed of 10Mbps or 100Mbps. Indicates the SFP port is not connected to a device. Indicates the SFP port is at the speed of 1000Mbps. Indicates the ...

Figure 4-3 Bandwidth Utilization  Bandwidth Utilization Rx: Select Rx to display the bandwidth utilization of receiving packets on this port. Tx: Select Tx to display the bandwidth utilization of sending packets on this port. 4.1.2 Device Description On this page you can configure the description o...

Figure 4-6 System Time The following entries are displayed on this screen: DST Status: Enable or Disable the DST. Predefined Mode: Select a predefined DST configuration.  USA: First Sunday in April, 02:00 ~ Last Sunday in October, 02:00.  Australia: First Sunday in October, 02:00 ~ First Sunday in...

4.1.5 System IP Each device in the network possesses a unique IP Address. You can log on to the Web management page to operate the switch using this IP Address. The switch supports three modes to obtain an IP address: Static IP, DHCP and BOOTP. The IP address obtained using a new mode will replace t...

Figure 4-9 User Config The following entries are displayed on this screen:  User Info User Name: Create a name for users’ login. Access Level: Select the access level to login.  Admin: Admin can edit, modify and view all the settings of different functions.  Guest: Guest only can view the setting...

Figure 4-11 Config Backup The following entries are displayed on this screen:  Config Backup Backup Config: Click the Backup Config button to save the current configuration as a file to your computer. You are suggested to take this measure before upgrading. Note: It will take a few minutes to backu...

4. After upgrading, the device will reboot automatically. 5. You are suggested to backup the configuration before upgrading. 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 avoid losing the configurati...

Figure 4-15 Access Control The following entries are displayed on this screen:  Access Control Config Control Mode: Select the control mode for users to log on to the Web management page.  IP-based: Select this option to limit the IP-range of the users for login.  MAC-based: Select this option to...

22  Session Config Session Timeout: If you do nothing with the Web management page within the timeout time, the system will log out automatically. If you want to reconfigure, please login again.  Access User Number Number Control ； Select Enable/Disable the Number Control function. Admin Number: E...

Chapter 5 Switching Switching module is used to configure the basic functions of the switch, including four submenus: Port , LAG , Traffic Monitor and MAC Address . 5.1 Port The Port function, allowing you to configure the basic features for the port, is implemented on the Port Config , Port Mirror ...

Figure 5-2 Mirroring Port The following entries are displayed on this screen.  Mirror Group List Group: Displays the mirror group number. Mirroring: Displays the mirroring port number. Mode: Displays the mirror mode, the value will be "Ingress" or "Egress", Mirrored Port: Displays t...

Figure 5-3 Mirroring Port The following entries are displayed on this screen.  Mirror Group Number: Select the mirror group number you want to configure.  Mirroring Port Mirroring Port: Select the mirroring port number.  Mirrored Port Port Select: Click the Select button to quick-select the corre...

enabled, the outgoing packets sent by the mirrored port will be copied to the mirroring port. LAG: Displays the LAG number which the port belongs to. The LAG member can not be selected as the mirrored port or mirroring port. Note: 1. The LAG member can not be selected as the mirrored port or mirrori...

Figure 5-4 Port Security The following entries are displayed on this screen:  Port Security Select: Select the desired port for Port Security configuration. It is multi-optional. Port: Displays the port number. Max Learned MAC: Specify the maximum number of MAC addresses that can be learned on the ...

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 available for the port. 5.1.4 Port Isolation Port Isolation provides a method of restricting traffic flow to improve the network security by forbidding the ...

Figure 5-6 LAG Table The following entries are displayed on this screen:  Global Config Hash Algorithm: Select the applied scope of Aggregate Arithmetic, which results in choosing a port to transfer the packets.  SRC MAC + DST MAC: When this option is selected, the Aggregate Arithmetic will apply ...

Figure 5-7 Detail Information 5.2.2 Static LAG On this page, you can manually configure the LAG. Choose the menu Switching → LAG → Static LAG to load the following page. Figure 5-8 Static LAG The following entries are displayed on this screen:  LAG Config Group Number: Select a Group Number for the...

 Member Port Member Port: Select the port as the LAG member. Clearing all the ports of the LAG will delete this LAG. Tips: The LAG can be deleted by clearing its all member ports. 5.3 Traffic Monitor The Traffic Monitor function, monitoring the traffic of each port, is implemented on the Traffic Su...

The following entries are displayed on this screen:  Auto Refresh Auto Refresh: Allows you to Enable/Disable refreshing the Traffic Summary automatically. Refresh Rate: Enter a value in seconds to specify the refresh interval.  Statistics Port: Enter a port number and click the Select button to vi...

5.4 MAC Address The main function of the switch is forwarding the packets to the correct ports based on the destination MAC address of the packets. Address Table contains the port-based MAC address information, which is the base for the switch to forward packets quickly. The entries in the Address T...

Figure 5-11 Address Table The following entries are displayed on this screen:  Search Option MAC Address: Enter the MAC address of your desired entry. VLAN ID: Enter the VLAN ID of your desired entry. Port: Select the corresponding port number of your desired entry. Type: Select the type of your de...

Figure 5-13 Dynamic Address The following entries are displayed on this screen:  Aging Config Auto Aging: Allows you to Enable/Disable the Auto Aging feature. Aging Time: Enter the Aging Time for the dynamic address.  Search Option Search Option: Select a Search Option from the pull-down list and ...

Aging Status: Displays the Aging Status of the MAC address. Bind: Click the Bind button to bind the MAC address of your selected entry to the corresponding port statically. Tips: Setting aging time properly helps implement effective MAC address aging. The aging time that is too long or too short res...

Chapter 6 VLAN The traditional Ethernet is a data network communication technology basing on CSMA/CD (Carrier Sense Multiple Access/Collision Detect) via shared communication medium. Through the traditional Ethernet, the overfull hosts in LAN will result in serious collision, flooding broadcasts, po...

received untagged packets on the port and match the packets with the 802.1Q VLAN. If a packet is matched, the switch will add a corresponding VLAN tag to it and forward it in the corresponding VLAN. 6.1 802.1Q VLAN VLAN tags in the packets are necessary for the switch to identify packets of differen...

（ 2 ） TRUNK: The TRUNK port can be added in multiple VLANs, and the egress rule of the port is TAG. The TRUNK port is generally used to connect the cascaded network devices for it can receive and forward the packets of multiple VLANs. When the packets are forwarded by the TRUNK port, its VLAN tag wi...

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. Description: Give a description to the VLAN for identification.  VLAN Members Port Select: Click the Select button to quick-select the corresponding entry ...

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. The packets contain VLAN information.  UNTAG: Packets forwarded by the port LAG: Displays the LAG to which the port belongs. 6.1.2 Port Config Before ...

Link Type: Select the Link Type from the pull-down list for the port.  ACCESS: The ACCESS port can be added in a single VLAN, and the egress rule of the port is UNTAG. The PVID is same as the current VLAN ID. If the current VLAN is deleted, the PVID will be set to 1 by default.  TRUNK: The TRUNK p...

3 Modify/View VLAN. Optional. On the VLAN → 802.1Q VLAN → VLAN Config page, click the Edit/Detail button to modify/view the information of the corresponding VLAN. 4 Delete VLAN Optional. On the VLAN → 802.1Q VLAN → VLAN Config page, select the desired entry to delete the corresponding VLAN by clicki...

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 local network. Devices running STP discover loops in the network and block ports by exchanging information, in that way, a ring network can be disbranched...

 Port: Port 3 is the root port of switch B and port 5 is the root port of switch C; port 1 is the designated port of switch A and port 4 is the designated port of switch B; port 6 is the blocked port of switch C. Figure 7-1 Basic STP diagram  STP Timers Hello Time: Hello Time ranges from 1 to 10 s...

Max Hops: Enter a value from 1 to 40 to set the maximum number of hops that occur in a specific region before the BPDU is discarded. The default value is 20 hops. Note: 1. The forward delay parameter and the network diameter are correlated. A too small forward delay parameter may result in temporary...

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 corresponding port based on the port number you entered. Select: Select the desired port for STP configuration. It is multi-optional. Port: Displays the p...

Figure 7-7 Region Config The following entries are displayed on this screen:  Region Config Region Name: Create a name for MST region identification using up to 32 characters. Revision: Enter the revision from 0 to 65535 for MST region identification. 7.3.2 Instance Config Instance Configuration, a...

Figure 7-10 Port Protect The following entries are displayed on this screen:  Port Protect Port Select: Click the Select button to quick-select the corresponding port based on the port number you entered. Select: Select the desired port for port protect configuration. It is multi-optional. Port: Di...

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 page. Choose the menu Spanning Tree → STP Security → TC Protect to load the following page. Figure 7-11 TC Protect The following entries are displayed on...

 The topology diagram of the two instances after the topology is stable  For Instance 1 (VLAN 101, 103 and 105), the red paths in the following figure are connected links; the gray paths are the blocked links.  For Instance 2 (VLAN 102, 104 and 106), the blue paths in the following figure are con...

Chapter 8 Multicast  Multicast Overview In the network, packets are sent in three modes: unicast, broadcast and multicast. In unicast, the source server sends separate copy information to each receiver. When a large number of users require this information, the server must send many pieces of infor...

 Multicast Address 1. Multicast IP Address: As specified by IANA (Internet Assigned Numbers Authority), Class D IP addresses are used as destination addresses of multicast packets. The multicast IP addresses range from 224.0.0.0~239.255.255.255. The following table displays the range and descriptio...

Figure 8-4 Basic Config The following entries are displayed on this screen:  Global Config IGMP Snooping: Select Enable/Disable IGMP Snooping function globally on the Switch. Unknown Multicast: Select the operation for the switch to process unknown multicast, Forward or Discard.  IGMP Snooping Sta...

3 Configure parameters for multicast VLAN Optional. Enable and configure a multicast VLAN on the Multicast → IGMP Snooping → Multicast VLAN page. It is recommended to keep the default time parameters. 4 Look over the configuration If it is successfully configured, the VLAN ID of the multicast VLAN w...

Figure 8-9 Static Multicast IP Table The following entries are displayed on this screen:  Create Static Multicast Multicast IP: Enter static multicast IP address. VLAN ID: Enter the VLAN ID of the multicast IP. Forward Port: Enter the forward port of the multicast group.  Search Option Search Opti...

When applying for a multicast group, the host will send IGMP report message. After receiving the report message, the switch will firstly check the multicast filter rules configured for the receiving port. If the port can be added to the multicast group, it will be added to the multicast address tabl...

8.3.2 Port Filter On this page you can configure the multicast filter rules for port. Take the configuration on this page and the configuration on IP-Range page together to function to implement multicast filter function on the switch. Choose the menu Multicast → Multicast Filter → Port Filter to lo...

LAG: Displays the LAG number which the port belongs to. Note: 1. Multicast Filter feature can only have effect on the VLAN with IGMP Snooping enabled. 2. Multicast Filter feature has no effect on static multicast IP. 3. Up to 15 IP-Ranges can be bound to one port. Configuration Procedure: Step Opera...

Chapter 9 QoS QoS (Quality of Service) functions to provide different quality of service for various network applications and requirements and optimize the bandwidth resource distribution so as to provide a network service experience of a better quality.  QoS This switch classifies the ingress pack...

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 field is 802.1p priority in the range of 0 to 7. 802.1P priority determines the priority of the packets based on the Pri value. On the Web management page o...

3 Map the DSCP priority to the priority level Required. Select DSCP priority and the corresponding priority level. 4 Select a schedule mode Required. Log on to the Schedule Mode page to select a schedule mode. 9.1.4 Schedule Mode On this page you can select a schedule mode for the switch. When the n...

9.2.1 Rate Limit Rate limit functions to control the ingress/egress traffic rate on each port via configuring the available bandwidth of each port. In this way, the network bandwidth can be reasonably distributed and utilized. Choose the menu QoS → Bandwidth Control → Rate Limit to load the followin...

Chapter 10 SNMP  SNMP Overview SNMP (Simple Network Management Protocol) has gained the most extensive application on the UDP/IP networks. SNMP provides a management frame to monitor and maintain the network devices. It is used for automatically managing the various network devices no matter the ph...

SNMP v1: SNMP v1 adopts Community Name authentication. The community name is used to define the relation between SNMP Management Station and SNMP Agent. The SNMP packets failing to pass community name authentication are discarded. The community name can limit access to SNMP Agent from SNMP NMS, func...

 Remote Engine Remote Engine ID: Specify the Remote Engine ID for Switch. The Engine ID is a unique alphanumeric string used to identify the SNMP engineon the remote device which receives informs from Switch. Note: The amount of Engine ID characters must be even. 10.1.2 SNMP View The OID (Object Id...

 View Table Select: Select the desired entry to delete the corresponding view. All the entries of a View will be deleted together. View Name: Displays the name of the View entry. View Type: Displays the type of the View entry. MIB Object ID: Displays the OID of the View entry. 10.1.3 SNMP Group On ...

Figure 10-6 SNMP User 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.  Local User: Indicates that the user is connected to a local SNMP engine.  Remote User: Indicates that the user is connected to a re...

Figure 10-8 Notification Config The following entries are displayed on this screen:  Create Notification IP Address: Enter the IP Address of the management Host. UDP Port: Enter the number of the UDP port used to send notifications. The UDP port functions with the IP address for the notification se...

Figure 10-10 Event Config The following entries are displayed on this screen:  Event Table Select: Select the desired entry for configuration. Index: Displays the index number of the entry. User: Enter the name of the User or the community to which the event belongs. Description: Give a description...

Figure 10-11 Alarm Config The following entries are displayed on this screen:  Alarm Table Select: Select the desired entry for configuration. Index: Displays the index number of the entry. Variable: Select the alarm variables form the pull-sown list. Port: Select the port on which the Alarm entry ...

Chapter 11 Maintenance Maintenance module, assembling the commonly used system tools to manage the switch, provides the convenient method to locate and solve the network problem. （ 1 ） System Monitor: Monitor the utilization status of the memory and the CPU of switch. （ 2 ） Log: View the configurati...

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 menu Maintenance → System Monitor → Memory Monitor to load the following page. Figure 11-2 Memory Monitor Click the Monitor button to enable the switch t...

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 4 log hosts. Host IP: Configure the IP for the log host. UDP Port: Displays the UDP port used for receiving/sending log information. Here we use the stan...

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: It will take a few minutes to backup the log file. Please wait without any operation. 11.3 Device Diagnose This switch provides Cable Test and Loopb...

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. 11.3.2 Loopback Loopback test function, looping the sender and the receiver of the signal, is used to test whether the port of the switch is available as well...

11.4.1 Ping Ping test function, testing the connectivity between the switch and one node of the network, facilitates you to test the network connectivity and reachability of the host so as to locate the network malfunctions. Choose the menu Maintenance → Network Diagnose → Ping to load the following...

Figure 11-10Tracert The following entries are displayed on this screen:  Tracert Config Destination IP: Enter the IP address of the destination device. Max Hop: Specify the maximum number of the route hops the test data can passthrough. Return to CONTENTS 125

Appendix A: Specifications IEEE802.3 10Base-T Ethernet IEEE802.3u 100Base-TX/100Base-FX Fast Ethernet IEEE802.3ab 1000Base-T Gigabit Ethernet IEEE802.3z 1000Base-X Gigabit Ethernet IEEE802.3x Flow Control IEEE802.1p Priority Standards IEEE802.1q VLAN Bridge Ethernet: 10Mbps HD ， 20Mbps FD Fast Ether...

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 your Ethernet Adapter is working, refer to the adapter’s manual if necessary. 1. Configure TCP/IP component 1) On the Windows taskbar, click the Start b...

Figure B-2 5) The following TCP/IP Properties window will display and the IP Address tab is open on this window by default. 128

129 Figure B-3 6) Select Use the following IP address . And the following items will be available. If the switch's IP address is 192.168.0.1, specify IP address as 192.168.0.x (x is from 2 to 254), and the Subnet mask as 255.255.255.0. Now: Click OK to save your settings. Return to CONTENTS

Appendix C: Glossary Access Control List (ACL) ACLs can limit network traffic and restrict access to certain users or devices by checking each packet for certain IP or MAC (i.e., Layer 2) information. Boot Protocol (BOOTP) BOOTP is used to provide bootup information for network devices, including IP...

133 Secure Shell (SSH) A secure replacement for remote access functions, including Telnet. SSH can authenticate users with a cryptographic key, and encrypt data connections between management clients and the switch. Simple Network Management Protocol (SNMP) The application protocol in the Internet s...