Specifications are subject to change without notice. is a registered trademark of TP-LINK TECHNOLOGIES CO., LTD. Other brands and product names are trademarks or registered trademarks of their respective holders. No part of the specifications may be reproduced in any form or by any means or used to make any derivative such as translation, transformation, or adaptation without permission from TP-LINK TECHNOLOGIES CO., LTD.
The following items should be found in your box: One L2 managed Switch One power cord One console cable Two mounting brackets and other fittings Quick Installation Guide Resource CD for TL-SL5428E switch, including: • This User Guide • Other Helpful Information Note: Make sure that the package contains the above items.
Chapter 1 About this Guide This User Guide contains information for setup and management of TL-SL5428E 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.
Page 11
Chapter Introduction Chapter 6 System This module is used to configure system properties of the switch. Here mainly introduces: System Info: Configure the description, system time and network parameters of the switch. User Manage: Configure the user name and password for users to log on to the Web management page with a certain access level.
Page 12
Chapter Introduction Chapter 10 Multicast This module is used to configure multicast function of the switch. Here mainly introduces: IGMP Snooping: Configure global parameters of IGMP Snooping function, port properties, VLAN and multicast VLAN. Multicast IP: Configure multicast IP table. Multicast Filter: Configure multicast filter feature to restrict users ordering multicast programs.
Page 13
Chapter Introduction Chapter 14 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 management station to monitor and process the events.
Chapter 2 Introduction Thanks for choosing the TL-SL5428E 24-Port 10/100Mbps + 4-Port Gigabit L2 Managed Switch! 2.1 Overview of the Switch Designed for workgroups and departments, TL-SL5428E from TP-Link provides wire-speed performance and full set of layer 2 management features. It provides a variety of service features and multiple powerful functions with high security.
+ Supports Telnet, CLI, SNMP v1/v2c/v3, RMON and web access. + Port Mirroring enables monitoring selected ingress/egress traffic. 2.3 Appearance Description 2.3.1 Front Panel Figure 2-1 Front Panel The following parts are located on the front panel of the Switch: 10/100Mbps Ports: Designed to connect to the device with a bandwidth of 10Mbps or 100Mbps.
2.3.2 Rear Panel The rear panel of TL-SL5428E features a power socket and a Grounding Terminal (marked with ). Figure 2-2 Rear Panel Grounding Terminal: TL-SL5428E already comes with Lightning Protection Mechanism. You can also ground the Switch through the PE (Protecting Earth) cable of AC cord or with Ground Cable.
Chapter 3 Installation 3.1 Precautions To ensure a long-term and stable performance of the Switch, please pay attention to the following before the installation. 1) Safety Requirements • Before cleaning the Switch, cut off the power supply. Do not clean it by the waterish cloth, and never use any other liquid cleaning method.
3.2.1 Desktop Installation To install the Switch on the desktop, please follow the steps: 1) Set the Switch on a flat surface strong enough to support the entire weight of the Switch with all fittings. 2) Remove the adhesive backing papers from the rubber feet. 3) Turnover the Switch and attach the supplied rubber feet to the recessed areas on the bottom at each corner of the Switch.
Figure 3-2 Attaching Brackets 2) After the brackets are attached to the Switch, use suitable screws (not provided) to secure the brackets to the rack, as illustrated in the following figure. Figure 3-3 Mounting Switch 3) Connect the Switch to network devices. 4) Supply power to the Switch with the provided power cord.
Page 20
your specific operation environment. • Connecting to the Grounding Bar If the Switch is installed in the Equipment Room, where a Grounding Bar is available, you are recommended to connect the Switch to the Grounding Bar as shown in the following figure. Figure 3-4 Tips: The Grounding Bar is not provided with our product.
Page 21
Figure 3-5 * The figure is to illustrate the application and principle. The power plug you get from the package and the socket in your situation will comply with the regulation in your country, so they may differ from the figure above. Tips: If you intend to connect the Switch to the ground via the PE (Protecting Earth) cable of AC power cord, please make sure the PE (Protecting Earth) cable in the electrical outlet is well grounded in...
1000Base-T RJ45 ports. If an SFP transceiver (purchased separately) is installed in a slot and has a valid link on the port, the associated RJ45 port will be disabled and cannot be used. Tips: TL-SL5428E supports 100/1000Base-FX SFP module at full-duplex mode.
Figure 4-2 Inserting SFP Module 4.3 Console Port The Switch features a console interface for configuring the Switch using CLI (Command Line Interface). Note: The serial port of the computer doesn’t support plug-and-play feature, please make sure the Switch is powered off before connecting the console cable to the computer. Connect the console port of the Switch and your computer with a console cable as shown in Figure 4-3.
4.4 Power On Plug in the negative connector of the provided power cord into the power socket of the Switch, and the positive connector into a power outlet as shown in Figure 4-4. Figure 4-4 Connecting to Power Supply * The figure is to illustrate the application and principle. The power plug you get from the package and the socket in your situation will comply with the regulation in your country, so they may differ from the figure above.
Chapter 5 Login to the Switch 5.1 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 5-1 Web-browser Tips: To log in to the Switch, the IP address of your PC should be set in the same subnet addresses of the Switch.
Page 26
Figure 5-3 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 power or rebooting the switch to avoid losing the new configurations.
Chapter 6 System The System module is mainly for system configuration of the switch, including four submenus: System Info, User Manage, System Tools and Access Security. 6.1 System Info The System Info, mainly for basic properties configuration, can be implemented on System Summary, Device Description, System Time and System IP pages.
Page 28
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.
Figure 6-3 Bandwidth Utilization Bandwidth Utilization Select Rx to display the bandwidth utilization of receiving packets on this port. Select Tx to display the bandwidth utilization of sending packets on this port. 6.1.2 Device Description On this page you can configure the description of the switch, including device name, device location and system contact.
Device Location: Enter the location of the switch. System Contact: Enter your contact information. 6.1.3 System Time System Time is the time displayed while the switch is running. On this page you can configure the system time and the settings here will be used for other time-based functions like ACL. You can manually set the system time, get GMT automatically if it has connected to a NTP server or synchronize with PC’s clock as the system time.
Get GMT: When this option is selected, you can configure the time zone and the IP Address for the NTP Server. The switch will get GMT automatically if it has connected to a NTP Server. Time Zone: Select your local time. Primary/Secondary NTP Server: Enter the IP Address for the NTP Server.
IP Address: Enter the system IP of the switch. The default system IP is 192.168.0.1 and you can change it appropriate to your needs. Subnet Mask: Enter the subnet mask of the switch. Default Gateway: Enter the default gateway of the switch. Note: Changing the IP address to a different IP segment will interrupt the network communication, so please keep the new IP address in the same IP segment with the local network.
Page 33
Figure 6-8 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.
6.3 System Tools The System Tools function, allowing you to manage the configuration file of the switch, can be implemented on Config Restore, Config Backup, Firmware Upgrade, System Reboot and System Reset pages. 6.3.1 Config Restore On this page you can upload a backup configuration file to restore your switch to this previous configuration.
6.3.3 Firmware Upgrade The switch system can be upgraded via the Web management page. To upgrade the system is to get more functions and better performance. Go to http://www.tp-link.com to download the updated firmware. Choose the menu System→System Tools→Firmware Upgrade to load the following page.
To avoid damage, please don't turn off the device while upgrading. After upgrading, the device will reboot automatically. You are suggested to backup the configuration before upgrading. 6.3.4 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 loosing the configuration unsaved Choose the menu System→System Tools→System Reboot to load the following page.
Page 37
Choose the menu System→Access Security→Access Control to load the following page. Figure 6-14 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.
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 Select Enable/Disable the Number Control function. Number Control;...
Figure 6-15 SSL Config The following entries are displayed on this screen: Global Config SSL: Select Enable/Disable the SSL function on the switch. Certificate Download Certificate File: Select the desired certificate to download to the switch. The certificate must be BASE64 encoded. Key Download Key File: Select the desired SSL Key to download to the switch.
Page 40
information in a remote management being leaked. Comprising server and client, SSH has two versions, V1 and V2 which are not compatible with each other. In the communication, SSH server and client can auto-negotiate the SSH version and the encryption algorithm. After getting a successful negotiation, the client sends authentication request to the server for login, and then the two can communicate with each other after successful authentication.
Page 41
Key Type: Select the type of SSH Key to download. The switch supports three types: SSH-1 RSA, SSH-2 RSA and SSH-2 DSA. Key File: Select the desired key file to download. Download: Click the Download button to down the desired key file to the switch.
Page 42
Application Example 2 for SSH: Network Requirements 1. Log on to the switch via password authentication using SSH and the SSH function is enabled on the switch. 2. PuTTY client software is recommended. Configuration Procedure 1. Select the key type and key length, and generate SSH key. Note: The key length is in the range of 256 to 3072 bits.
Page 43
3. On the Web management page of the switch, download the public key file saved in the computer to the switch. Note: The key type should accord with the type of the key file. The SSH key downloading can not be interrupted. 4.
Page 44
5. After the public key and private key are downloaded, please log on to the interface of PuTTY and enter the IP address for login. After successful authentication, please enter the login user name. If you log on to the switch without entering password, it indicates that the key has been successfully downloaded.
Chapter 7 Switching Switching module is used to configure the basic functions of the switch, including four submenus: Port, LAG, Traffic Monitor and MAC Address. 7.1 Port The Port function, allowing you to configure the basic features for the port, is implemented on the Port Config, Port Mirror and Port Security pages.
Description: Give a description to the port for identification. Status: Allows you to Enable/Disable the port. When Enable is selected, the port can forward the packets normally. Speed and Duplex: Select the Speed and Duplex mode for the port. The device connected to the switch should be in the same Speed and Duplex mode with the switch.
Page 47
Figure 7-2 Mirroring Port The following entries are displayed on this screen. Mirroring Port Mirroring Port: Select a port from the pull-down list as the mirroring port. When disable is selected, the Port Mirror feature will be disabled. Mirrored Port Port Select: Click the Select button to quick-select the corresponding port based on the port number you entered.
Note: The LAG member can not be selected as the mirrored port or mirroring port. A port can not be set as the mirrored port and the mirroring port simultaneously. The Port Mirror function can take effect span the multiple VLANs. 7.1.3 Port Security MAC Address Table maintains the mapping relationship between the port and the MAC address of the connected device, which is the base of the packet forwarding.
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 port. Learned Num: Displays the number of MAC addresses that have been learned on the port.
If the LAG is needed, you are suggested to configure the LAG function here before configuring the other functions for the member ports. Tips: Calculate the bandwidth for a LAG: If a LAG consists of the four ports in the speed of 1000Mbps Full Duplex, the whole bandwidth of the LAG is up to 8000Mbps (2000Mbps * 4) because the bandwidth of each member port is 2000Mbps counting the up-linked speed of 1000Mbps and the down-linked speed of 1000Mbps.
Description: Displays the description of LAG. Member: Displays the LAG member. Operation: Allows you to view or modify the information for each LAG. • Edit: Click to modify the settings of the LAG. • Detail: Click to get the information of the LAG. Click the Detail button for the detailed information of your selected LAG.
Figure 7-6 Manually Config The following entries are displayed on this screen: LAG Config Group Number: Select a Group Number for the LAG. Description: Give a description to the LAG for identification. LAG Table Member Port: Select the port as the LAG member. Clearing all the ports of the LAG will delete this LAG.
Page 53
Priority will be considered as the preferred one. If the two port priorities are equal; the port with smaller port number is preferred. On this page, you can configure the LACP feature of the switch. Choose the menu Switching→LAG→LACP Config to load the following page. Figure 7-7 LACP Config The following entries are displayed on this screen: Global Config...
Admin Key constitute the aggregation ID. A dynamic aggregation group will only be formed between ports having the same aggregation ID. Port Priority: Specify a Port Priority for the port. This value determines the priority of the port to be selected as the dynamic aggregation group member.
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. Traffic Summary Port Select: Click the Select button to quick-select the corresponding port based on the port number you entered. Port: Displays the port number.
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 view the traffic statistics of the corresponding port.
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 Table can be updated by auto-learning or configured manually. Most the entries are generated and updated by auto-learning.
Page 58
Figure 7-10 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 desired entry.
MAC Address: Displays the MAC address learned by the switch. VLAN ID: Displays the corresponding VLAN ID of the MAC address. Port: Displays the corresponding Port number of the MAC address. Type: Displays the Type of the MAC address. Aging Status: Displays the Aging status of the MAC address.
Search Option: Select a Search Option from the pull-down list and click the Search button to find your desired entry in the Static Address Table. • MAC: Enter the MAC address of your desired entry. • VLAN ID: Enter the VLAN ID number of your desired entry. •...
Page 61
Figure 7-12 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 click the Search button to find your desired entry in the Dynamic Address Table.
Select: Select the entry to delete the dynamic address or to bind the MAC address to the corresponding port statically. It is multi-optional. MAC Address: Displays the dynamic MAC Address. VLAN ID: Displays the corresponding VLAN ID of the MAC address. Port: Displays the corresponding port number of the MAC address.
Page 63
The following entries are displayed on this screen: Create Filtering Address MAC Address: Enter the MAC Address to be filtered. VLAN ID: Enter the corresponding VLAN ID of the MAC address. Search Option Search Option: Select a Search Option from the pull-down list and click the Search button to find your desired entry in the Filtering Address Table.
Chapter 8 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, poor performance or even breakdown of the Internet.
different VLANs. The switch can analyze the received untagged packets on the port and match the packets with the MAC VLAN, Protocol VLAN and 802.1Q VLAN in turn. If a packet is matched, the switch will add a corresponding VLAN tag to it and forward it in the corresponding VLAN. 8.1 802.1Q VLAN VLAN tags in the packets are necessary for the switch to identify packets of different VLANs.
Page 66
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 will not be changed. (3)...
8.1.1 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. Figure 8-3 VLAN Table To ensure the normal communication of the factory switch, the default VLAN of all ports is set to VLAN1.
Page 68
Figure 8-4 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. Check: Click the Check button to check whether the VLAN ID you entered is valid or not.
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.
Select the Link Type from the pull-down list for the port. Link Type: • 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.
the description for the VLAN. Meanwhile, specify its member ports. 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. Delete VLAN Optional. On the VLAN→802.1Q VLAN→VLAN Config page, select the desired entry to delete the corresponding VLAN by clicking the Delete button.
The following entries are displayed on this screen: VLAN Table MAC Address: Enter the MAC address. Description: Give a description to the MAC address for identification. VLAN ID: Enter the ID number of the MAC VLAN. This VLAN should be one of the 802.1Q VLANs the ingress port belongs to.
click the Create button to create a VLAN. Enter the VLAN ID and the description for the VLAN. Meanwhile, specify its member ports. Create MAC VLAN. Required. On the VLAN→MAC VLAN page, create the MAC VLAN. For the device in a MAC VLAN, it’s required to set its connected port of switch to be a member of this VLAN so as to ensure the normal communication.
8.3.1 Protocol VLAN On this page, you can create Protocol VLAN and view the information of the current defined Protocol VLANs. Choose the menu VLAN→Protocol VLAN→Protocol VLAN to load the following page. Figure 8-9 Create Protocol VLAN The following entries are displayed on this screen: Create Protocol VLAN Protocol: Select the defined protocol template.
Figure 8-10 Create and View Protocol Template The following entries are displayed on this screen: Create Protocol Template Protocol Name: Give a name for the Protocol Template. Ether Type: Enter the Ethernet protocol type field in the protocol template. Protocol Template Table Select: Select the desired entry.
Configuration Procedure: Step Operation Description Set the link type for port. Required. On the VLAN→802.1Q VLAN→Port Config page, set the link type for the port basing on its connected device. Create VLAN. Required. On the VLAN→802.1Q VLAN→VLAN Config page, click the Create button to create a VLAN. Enter the VLAN ID and the description for the VLAN.
a port receives a packet, this port will replace the TPID value in the outer VLAN tag of this packet with the user-defined value and then send the packet again. Thus, the VLAN-VPN packets sent to the public network can be recognized by devices of other manufacturers. The position of the TPID field in an Ethernet packet is the same as the position of the protocol type field in the packet without VLAN Tag.
VPN Mode: Allows you to Enable/Disable the VLAN-VPN function. Global TPID: Enter the global TPID (Tag protocol identifier). VPN Up-link Ports Select the desired port as the VPN Up-link port. It’s required to set the port connected to the operators’ backbone networks to be up-link port. Note: If VPN mode is enabled, please create VLAN Mapping entries on the VLAN Mapping function page.
C VLAN: Enter the ID number of the Customer VLAN. C VLAN refers to the VLAN to which the packet received by switch belongs. SP VLAN: Enter the ID number of the Service Provider VLAN. Description: Give a description to the VLAN Mapping entry or leave it blank. VLAN Mapping Table C VLAN Select: Click the Select button to quick-select the corresponding entry...
required to set the port connected to the backbone networks to be up-link port. Create VLAN Mapping Required. On the VLAN→VLAN VPN→VLAN Mapping entries. page, configure the VLAN Mapping entries basing on the actual application. Create (Service Optional. On the VLAN→802.1Q VLAN page, create the Provider) VLAN SP VLAN.
Page 81
all the attribute information so as to enable the other GARP entities to re-register attribute information of their own. Through message exchange, all the attribute information to be registered can be propagated to all the switches in the same switched network. The interval of GARP messages is controlled by timers.
Page 82
Figure 8-15 GVRP Config Note: If the GVRP feature is enabled for a member port of LAG, please ensure all the member ports of this LAG are set to be in the same status and registration mode. The following entries are displayed on this screen: Global Config GVRP: Allows you to Enable/Disable the GVRP function.
Page 83
• Fixed: In this mode, a port cannot register/deregister a VLAN dynamically. It only propagates static VLAN information. • Forbidden: In this mode, a port cannot register/deregister VLANs. It only propagates VLAN 1 information. LeaveAll Timer: Once the LeaveAll Timer is set, the port with GVRP enabled can send a LeaveAll message after the timer times out, so that other GARP ports can re-register all the attribute information.
Chapter 9 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 to form a tree-topological ring-free network to prevent packets from being duplicated and forwarded endlessly in the network.
Page 85
port of switch C. Figure 9-1 Basic STP diagram STP Timers Hello Time: Hello Time ranges from 1 to 10 seconds. It specifies the interval to send BPDU packets. It is used to test the links. Max. Age: Max. Age ranges from 6 to 40 seconds. It specifies the maximum time the switch can wait without receiving a BPDU before attempting to reconfigure.
Page 86
In the beginning In the beginning, each switch regards itself as the root, and generates a configuration BPDU for each port on it as a root, with the root path cost being 0, the ID of the designated bridge being that of the switch, and the designated port being itself.
Page 87
RSTP (Rapid Spanning Tree Protocol), evolved from the 802.1D STP standard, enable Ethernet ports to transit their states rapidly. The premises for the port in the RSTP to transit its state rapidly are as follows. The condition for the root port to transit its port state rapidly: The old root port of the switch stops forwarding data and the designated port of the upstream switch begins to forward data.
Page 88
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 spanning trees can be generated in each MST region. Each spanning tress is called an instance. As well as STP, MSTP uses BPDUs to generate spanning tree. The only difference is that the BPDU for MSTP carry the MSTP configuration information on the switches.
Figure 7-3 Port roles The Spanning Tree module is mainly for spanning tree configuration of the switch, including four submenus: STP Config, Port Config, MSTP Instance and STP Security. 9.1 STP Config The STP Config function, for global configuration of spanning trees on the switch, can be implemented on STP Config and STP Summary pages.
Page 90
Figure 9-4 STP Config The following entries are displayed on this screen: Global Config STP: Select Enable/Disable STP function globally on the switch. Version: Select the desired STP version on the switch. STP: Spanning Tree Protocol. RSTP: Rapid Spanning Tree Protocol. MSTP: Multiple Spanning Tree Protocol.
that occur in a specific region before the BPDU is discarded. The default value is 20 hops. Note: The forward delay parameter and the network diameter are correlated. A too small forward delay parameter may result in temporary loops. A too large forward delay may cause a network unable to resume the normal state in time.
Figure 9-5 STP Summary 9.2 Port Config On this page you can configure the parameters of the ports for CIST Choose the menu Spanning Tree→Port Config to load the following page.
Page 93
Figure 9-6 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 port number of the switch.
this bridge to the Root Bridge and forwards packets to the root. Designated Port: Indicates the port that forwards packets to a downstream network segment or switch. Master Port: Indicates the port that connects a MST region to the common root. The path from the master port to the common root is the shortest path between this MST region and the common root.
Figure 9-7 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. 9.3.2 Instance Config Instance Configuration, a property of MST region, is used to describe the VLAN to Instance mapping configuration.
The following entries are displayed on this screen: Instance Table Instance ID Select: Click the Select button to quick-select the corresponding Instance ID based on the ID number you entered. Select: Select the desired Instance ID for configuration. It is multi-optional. Instance: Displays Instance ID of the switch.
Page 97
Figure 9-9 Instance Port Config The following entries are displayed on this screen: Port Config Instance ID: Select the desired instance ID for its port configuration. Port Select: Click the Select button to quick-select the corresponding port based on the port number you entered. Select: Select the desired port to specify its priority and path cost.
Note: The port status of one port in different spanning tree instances can be different. Global configuration Procedure for Spanning Tree function: Step Operation Description Make clear roles the switches Preparation. play spanning tree instances: root bridge designated bridge Globally configure MSTP Required.
Page 99
A CIST and its secondary root bridges are usually located in the high-bandwidth core region. Wrong configuration or malicious attacks may result in configuration BPDU packets with higher priorities being received by the legal root bridge, which causes the current legal root bridge to lose its position and network topology jitter to occur.
Page 100
Figure 9-10 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.
9.4.2 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 9-11 TC Protect The following entries are displayed on this screen: TC Protect...
On Spanning Tree→STP Config→Port Config page, enable MSTP function for the port. Configure the region name and On Spanning Tree→MSTP Instance→Region Config the revision of MST region page, configure the region as TP-LINK and keep the default revision setting. Configure VLAN-to-Instance Spanning Tree→MSTP...
Page 103
On Spanning Tree→STP Config→Port Config page, enable MSTP function for the port. Configure the region name and On Spanning Tree→MSTP Instance→Region Config the revision of MST region page, configure the region as TP-LINK and keep the default revision setting. Configure VLAN-to-Instance Spanning Tree→MSTP...
Page 104
On Spanning Tree→STP Config→Port Config page, enable MSTP function for the port. Configure the region name and On Spanning Tree→MSTP Instance→Region Config the revision of MST region page, configure the region as TP-LINK and keep the default revision setting. Configure VLAN-to-Instance Spanning Tree→MSTP...
Page 105
Suggestion for Configuration Enable TC Protect function for all the ports of switches. Enable Root Protect function for all the ports of root bridges. Enable Loop Protect function for the non-edge ports. Enable BPDU Protect function or BPDU Filter function for the edge ports which are connected to the PC and server.
Chapter 10 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 information with the same content to the users.
Page 107
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 description of several special multicast IP addresses.
IGMP Snooping In the network, the hosts apply to the near Router for joining (leaving) a multicast group by sending IGMP (Internet Group Management Protocol) messages. When the up-stream device forwards down the multicast data, the switch is responsible for sending them to the hosts. IGMP Snooping is a multicast control mechanism, which can be used on the switch for dynamic registration of the multicast group.
The host, running IGMPv1, does not send IGMP leave message when leaving a multicast group, as a result, the switch can not get the leave information of the host momentarily. However, after leaving the multicast group, the host does not send IGMP report message any more, so the switch will remove the port from the corresponding multicast address table when its member port time times out.
Figure 10-4 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 Status Description: Displays IGMP Snooping status.
Figure 10-5 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 IGMP Snooping feature configuration. It is multi-optional.
Page 112
Choose the menu Multicast→IGMP Snooping→VLAN Config to load the following page. Figure 10-6 VLAN Config The following entries are displayed on this screen: VLAN Config VLAN ID: Enter the VLAN ID to enable IGMP Snooping for the desired VLAN. Router Port Time: Specify the aging time of the router port.
Select: Select the desired VLAN ID for configuration. It is multi-optional. VLAN ID: Displays the VLAN ID. 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 leave time of the VLAN.
Page 114
Figure 10-7 Multicast VLAN The following entries are displayed on this screen: Multicast VLAN Multicast VLAN: Select Enable/Disable Multicast VLAN feature. VLAN ID: Enter the VLAN ID of the multicast VLAN. Router Port Time: Specify the aging time of the router port. Within this time, if the switch doesn’t receive IGMP query message from the router port, it will consider this port is not a router port any more.
Page 115
multicast VLAN. Configuration procedure: Step Operation Description Enable IGMP Snooping Required. Enable IGMP Snooping globally on the switch function port Multicast→IGMP Snooping→Snooping Config and Port Config page. Create a multicast VLAN Required. Create a multicast VLAN and add all the member ports and router ports to the VLAN on the VLAN→802.1Q VLAN page.
Configuration Procedure Step Operation Description Create VLANs Create three VLANs with the VLAN ID 3, 4 and 5 respectively, and specify the description of VLAN3 as Multicast VLAN on VLAN→802.1Q VLAN page. Configure ports On VLAN→802.1Q VLAN function pages. For port 3, configure its link type as GENERAL and its egress rule as TAG, and add it to VLAN3, VLAN4 and VLAN5.
10.2.1 Multicast IP Table On this page you can view the multicast IP table on the switch. Choose the menu Multicast→Multicast IP→Multicast IP Table to load the following page. Figure 10-8 Multicast IP Table The following entries are displayed on this screen: Search Option Multicast IP: Enter the multicast IP address the desired entry must carry.
Choose the menu Multicast→Multicast IP→Static Multicast IP to load the following page. Figure 10-9 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.
to restrict users ordering multicast programs via configuring multicast filter rules. 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.
10.3.2 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 load the following page. Figure 10-11 Port Filter The following entries are displayed on this screen: Port Filter Config...
Bound IP-Range (ID): Enter the IP-rang ID the port will be bound to. Max Groups: Specify the maximum number of multicast groups to prevent some ports taking up too much bandwidth. LAG: Displays the LAG number which the port belongs to. Note: Multicast Filter feature can only have effect on the VLAN with IGMP Snooping enabled.
Page 122
The following entries are displayed on this screen: Auto Refresh Auto Refresh: Select Enable/Disable auto refresh feature. Refresh Period: Enter the time from 3 to 300 in seconds to specify the auto refresh period. IGMP Statistics Port Select: Click the Select button to quick-select the corresponding port based on the port number you entered.
Chapter 11 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. This switch classifies the ingress packets, maps the packets to different priority queues and then forwards the packets according to specified scheduling algorithms to implement QoS function.
Page 124
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.
Page 125
Figure 9-4 SP-Mode WRR-Mode: Weight Round Robin Mode. In this mode, packets in all the queues are sent in order based on the weight value for each queue and every queue can be assured of a certain service time. The weight value indicates the occupied proportion of the resource. WRR queue overcomes the disadvantage of SP queue that the packets in the queues with lower priority can not get service for a long time.
The QoS module is mainly for traffic control and priority configuration, including three submenus: DiffServ, Bandwidth Control and Voice VLAN. 11.1 DiffServ This switch classifies the ingress packets, maps the packets to different priority queues and then forwards the packets according to specified scheduling algorithms to implement QoS function. This switch implements three priority modes based on port, on 802.1P and on DSCP, and supports four queue scheduling algorithms.
To complete QoS function configuration, you have to go to the Schedule Mode page to select a schedule mode after the configuration is finished on this page. Configuration Procedure: Step Operation Description Log on to the Port Priority page Select the desired ports for Select the desired ports.
SP+WRR-Mode: Strict-Priority + Weight Round Robin Mode. In this mode, this switch provides two scheduling groups, SP group and WRR group. Queues in SP group and WRR group are scheduled strictly based on strict-priority mode while the queues inside WRR group follow the WRR mode.
Note: To complete QoS function configuration, you have to go to the Schedule Mode page to select a schedule mode after the configuration is finished on this page. Configuration Procedure: Step Operation Description Log on to the 802.1P Priority page Enable 802.1P priority...
Page 130
Figure 11-6 DSCP Priority The following entries are displayed on this screen: DSCP Priority Config DSCP Priority: Select Enable or Disable DSCP Priority. Priority Level DSCP: Indicates the priority determined by the DS region of IP datagram. It ranges from 0 to 63. Priority Level: Indicates the priority level the packets with tag are mapped to.
disabled. Map the DSCP priority to the Required. Select DSCP priority and the corresponding priority level priority level. Select a schedule mode Required. Log on to the Schedule Mode page to select a schedule mode. 11.2 Bandwidth Control Bandwidth function, allowing you to control the traffic rate and broadcast flow on each port to ensure network in working order, can be implemented on Rate Limit and Storm Control pages.
Port: Displays the port number of the Switch. Ingress Rate (bps): Select the bandwidth for receiving packets on the port. Egress Rate(bps): Select the bandwidth for sending packets on the port. LAG: Displays the LAG number which the port belongs to. Note: If you enable ingress rate limit feature for the storm control-enabled port, storm control feature will be disabled for this port.
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 Storm Control configuration. It is multi-optional. Port: Displays the port number of the Switch. Broadcast Rate Select the bandwidth for receiving broadcast packets on the port.
Page 134
00-D0-1E-00-00-00 Pingtel phone 00-E0-75-00-00-00 Polycom phone 00-E0-BB-00-00-00 3com phone Table 9-1 OUI addresses on the switch Port Voice VLAN Mode A voice VLAN can operate in two modes: automatic mode and manual mode. Automatic Mode: In this mode, the switch automatically add a port which receives voice packets to voice VLAN and determine the priority of the packets through learning the source MAC of the UNTAG packets sent from IP phone when it is powered on.
Table 9-2 Port voice VLAN mode and voice stream processing mode Security Mode of Voice VLAN When voice VLAN is enabled for a port, you can configure its security mode to filter data stream. If security mode is enabled, the port just forwards voice packets, and discards other packets whose source MAC addresses do not match OUI addresses.
The following entries are displayed on this screen: Global Config Voice VLAN: Select Enable/Disable Voice VLAN function. VLAN ID: Enter the VLAN ID of the voice VLAN. Aging Time: Specifies the living time of the member port in auto mode after the OUI address is aging out.
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 voice VLAN configuration. It is multi-optional. Port: Displays the port number of the Switch. Port Mode: Select the mode for the port to join the voice VLAN.
Page 138
Description: Give a description to the OUI for identification. OUI Table Select: Select the desired entry to view the detailed information. OUI: Displays the OUI address of the voice device. Mask: Displays the OUI address mask of the voice device. Description: Displays the description of the OUI.
Chapter 12 ACL ACL (Access Control List) is used to filter packets by configuring match rules and process policies of packets in order to control the access of the illegal users to the network. Besides, ACL functions to control traffic flows and save network resources. It provides a flexible and secured access control policy and facilitates you to control the network security.
12.1.2 Time-Range Create On this page you can create time-ranges. Choose the menu ACL→Time-Range→Time-Range Create to load the following page. Figure 12-2 Time-Range Create Note: To successfully configure time-ranges, please firstly specify time-slices and then time-ranges. The following entries are displayed on this screen: Create Time-Range Name: Enter the name of the time-range for time identification.
Start Time: Displays the start time of the time-slice. End Time: Displays the end time of the time-slice. Delete: Click the Delete button to delete the corresponding time-slice. 12.1.3 Holiday Config Holiday mode is applied as a different secured access control policy from the workdays mode. On this page you can define holidays according to your work arrangement.
taking the operation specified in the rule without considering the other rules, which can enhance the performance of the switch. Packets are classified based on match rules in order of the rules. Once a rule is matched, The ACL Config function can be implemented on ACL Summary, ACL Create, MAC ACL, Standard-IP ACL and Extend-IP ACL pages.
The following entries are displayed on this screen: Create ACL ACL ID: Enter ACL ID of the ACL you want to create. Rule Order: User Config order is set to be match order in this ACL. 12.2.3 MAC ACL MAC ACLs analyze and process packets based on a series of match conditions, which can be the source MAC addresses, destination MAC addresses, VLAN ID, and EtherType carried in the packets.
EtherType: Enter EtherType contained in the rule. User Priority: Select the user priority contained in the rule for the tagged packets to match. Time-Range: Select the time-range for the rule to take effect. 12.2.4 Standard-IP ACL Standard-IP ACLs analyze and process data packets based on a series of match conditions, which can be the source IP addresses and destination IP addresses carried in the packets.
Time-Range: Select the time-range for the rule to take effect. 12.2.5 Extend-IP ACL Extend-IP ACLs analyze and process data packets based on a series of match conditions, which can be the source IP addresses, destination IP addresses, IP protocol and other information of this sort carried in the packets.
D-IP: Enter the destination IP address contained in the rule. Mask: Enter IP address mask. If it is set to 1, it must strictly match the address. IP Protocol: Select IP protocol contained in the rule. Select ICMP: Configure the predefined ICMP type and code. ICMP Type: Configure the predefined ICMP type Configure the predefined ICMP code.
Search Option Select Policy: Select name of the desired policy for view. If you want to delete the desired policy, please click the Delete button. Action Table Select: Select the desired entry to delete the corresponding policy. Index: Enter the index of the policy. ACL ID: Displays the ID of the ACL contained in the policy.
Page 148
Figure 12-11 Action Create The following entries are displayed on this screen: Create Action Select Policy: Select the name of the policy. Select ACL: Select the ACL for configuration in the policy. S-Mirror: Select S-Mirror to mirror the data packets in the policy to the specific port.
QoS Remark: Select QoS Remark to forward the data packets based on the QoS settings. DSCP: Specify the DSCP region for the data packets those match the corresponding ACL. Local Priority: Specify the local priority for the data packets those match the corresponding ACL.
Choose the menu ACL→Policy Binding→Port Binding to load the following page. Figure 12-13 Bind the policy to the port The following entries are displayed on this screen: Port-Bind Config Policy Name: Select the name of the policy you want to bind. Port: Enter the number of the port you want to bind.
Page 151
VLAN-Bind Table Index: Displays the index of the binding policy. Policy Name: Displays the name of the binding policy. VLAN ID: Displays the ID of the VLAN bound to the corresponding policy. Direction: Displays the binding direction. Configuration Procedure: Step Operation Description Configure effective...
Page 152
RD, configure port 16 and port 2 as the members of VLAN 6. Connect RD department to port 16 of TL-SL5428E, and configure the link type of port 16 as GENERAL and its PVID as 6. The IP range of VLAN 6 is 172.31.70.0.
Page 153
Configure On ACL→ACL Config→ACL Create page, create ACL 100. requirement On ACL→ACL Config→Standard-IP ACL page, select ACL 100, and 3 create Rule 1, configure operation as Deny, configure S-IP as 172.31.70.1 and mask as 255.255.255.0, configure D-IP as 172.31.50.1 and mask as 255.255.255.0, configure the time-range as No Limit.
Chapter 13 Network Security Network Security module is to provide the multiple protection measures for the network security, including five submenus: IP-MAC Binding, ARP Inspection, IP Source Guard, DoS Defend and 802.1X. Please configure the functions appropriate to your need. 13.1 IP-MAC Binding The IP-MAC Binding function allows you to bind the IP address, MAC address, VLAN ID and the connected Port number of the Host together.
The following entries are displayed on this screen: Search Option Source: Select a Source from the pull-down list and click the Search button to view your desired entry in the Binding Table. • All: All the bound entries will be displayed. •...
Page 156
Figure 13-2 Manual Binding The following entries are displayed on this screen: Manual Binding Option Host Name: Enter the Host Name. IP Address: Enter the IP Address of the Host. MAC Address: Enter the MAC Address of the Host. VLAN ID: Enter the VLAN ID.
13.1.3 ARP Scanning ARP (Address Resolution Protocol) is used to analyze and map IP addresses to the corresponding MAC addresses so that packets can be delivered to their destinations correctly. IP address is the address of the Host on Network layer. MAC address, the address of the Host on Data link layer, is necessary for the packet to reach the very device.
Figure 13-4 ARP Scanning The following entries are displayed on this screen: Scanning Option Start IP Address: Specify the Start IP Address. End IP Address: Specify the End IP Address. VLAN ID: Enter the VLAN ID. If blank, the switch will send the untagged packets for scanning.
Page 159
network configuration protocol optimized and developed basing on the BOOTP, functions to solve the above mentioned problems. DHCP Working Principle DHCP works via the “Client/Server” communication mode. The Client applies to the Server for configuration. The Server assigns the configuration information, such as the IP address, to the Client, so as to reach a dynamic employ of the network source.
Page 160
Figure 13-6 Interaction between a DHCP client and a DHCP server (1) DHCP-DISCOVER Stage: The Client broadcasts the DHCP-DISCOVER packet to find the DHCP Server. (2) DHCP-OFFER Stage: Upon receiving the DHCP-DISCOVER packet, the DHCP Server selects an IP address from the IP pool according to the assigning priority of the IP addresses and replies to the Client with DHCP-OFFER packet carrying the IP address and other information.
Page 161
Option 82 can contain 255 sub-options at most. If Option 82 is defined, at least a sub-option should be defined. This Switch supports two sub-options: Circuit ID and Remote ID. Since there is no universal standard about the content of Option 82, different manufacturers define the sub-options of Option 82 to their need.
Page 162
Choose the menu Network Security→IP-MAC Binding→Binding Table to load the following page. Figure 13-8 DHCP Snooping Note: If you want to enable the DHCP Snooping feature for the member port of LAG, please ensure the parameters of all the member ports are the same. The following entries are displayed on this screen: DHCP Snooping Config...
Page 163
DHCP Snooping: Enable/Disable the DHCP Snooping function globally. Global Flow Control: Select the value to specify the maximum amount of DHCP messages that can be forwarded by the switch per second. The excessive massages will be discarded. Decline Threshold: Select the value to specify the minimum transmission rate of the Decline packets to trigger the Decline protection for the specific port.
13.2 ARP Inspection According to the ARP Implementation Procedure stated in 13.1.3 ARP Scanning, it can be found that ARP protocol can facilitate the Hosts in the same network segment to communicate with one another or access to external network via Gateway. However, since ARP protocol is implemented with the premise that all the Hosts and Gateways are trusted, there are high security risks during ARP Implementation Procedure in the actual complex network.
Page 165
Figure 13-10 ARP Attack – Cheating Gateway As the above figure shown, the attacker sends the fake ARP packets of Host A to the Gateway, and then the Gateway will automatically update its ARP table after receiving the ARP packets. When the Gateway tries to communicate with Host A in LAN, it will encapsulate this false destination MAC address for packets, which results in a breakdown of the normal communication.
Page 166
Figure 13-11 ARP Attack – Cheating Terminal Hosts As the above figure shown, the attacker sends the fake ARP packets of Host A to Host B, and then Host B will automatically update its ARP table after receiving the ARP packets. When Host B tries to communicate with Host A, it will encapsulate this false destination MAC address for packets, which results in a breakdown of the normal communication.
Page 167
Figure 13-12 Man-In-The-Middle Attack Suppose there are three Hosts in LAN connected with one another through a switch. Host A: IP address is 192.168.0.101; MAC address is 00-00-00-11-11-11. Host B: IP address is 192.168.0.102; MAC address is 00-00-00-22-22-22. Attacker: IP address is 192.168.0.103; MAC address is 00-00-00-33-33-33. First, the attacker sends the false ARP response packets.
and the connected Port number of the Host together when the Host connects to the switch. Basing on the predefined IP-MAC Binding entries, the ARP Inspection functions to detect the ARP packets and filter the illegal ARP packet so as to prevent the network from ARP attacks. The ARP Inspection function is implemented on the ARP Detect, ARP Defend and ARP Statistics pages.
Configuration Procedure: Step Operation Description Bind the IP address, MAC Required. On the IP-MAC Binding page, bind the IP address, VLAN ID and the address, MAC address, VLAN ID and the connected Port connected Port number of number of the Host together via Manual Binding, ARP the Host together.
ARP Defend Port Select: Click the Select button to quick-select the corresponding port based on the port number you entered. Select: Select your desired port for configuration. It is multi-optional. Port: Displays the port number. Defend: Select Enable/Disable the ARP Defend feature for the port. Speed: Enter a value to specify the maximum amount of the received ARP packets per second.
Figure 13-15 ARP Statistics The following entries are displayed on this screen: Auto Refresh Auto Refresh: Enable/Disable the Auto Refresh feature. Refresh Interval: Specify the refresh interval to display the ARP Statistics. Illegal ARP Packet Port: Displays the port number. Trusted Port: Indicates the port is an ARP Trusted Port or not.
Figure 13-16 IP Source Guard The following entries are displayed on this screen: IP Source Guard Config Port Select: Click the Select button to quick-select the corresponding port based on the port number you entered. Select: Select your desired port for configuration. It is multi-optional. Port: Displays the port number.
distinguish the malicious DoS attack packets. Upon detecting the packets, the switch will discard the illegal packets directly and limit the transmission rate of the legal packets if the over legal packets may incur a breakdown of the network. The switch can defend a few types of DoS attack listed in the following table.
Choose the menu Network Security→DoS Defend→DoS Defend to load the following page. Figure 13-17 DoS Defend The following entries are displayed on this screen: Defend Config DoS Defend: Allows you to Enable/Disable DoS Defend function. Ping Limiting: Specify the transmission rate of the Ping packets when the Defend Type Ping Flooding is enabled.
Page 175
Figure 13-18 DoS Detect The following entries are displayed on this screen: Detect Config Detect Time: Specify the detect time for each DoS attack type except the flooding attack type. Detect: Click the Detect button to start the detection. The switch will detect each type of the DoS attack in turn.
Page 176
(2) Authenticator System: The authenticator system is usually an 802.1X-supported network device, such as this TP-LINK switch. It provides the physical or logical port for the supplicant system to access the LAN and authenticates the supplicant system. (3) Authentication Server System: The authentication server system is an entity that provides authentication service to the authenticator system.
Page 177
802.1X client program to initiate an 802.1X authentication through the sending of an EAPOL-Start packet to the switch, This TP-LINK switch can authenticate supplicant systems in EAP relay mode or EAP terminating mode. The following illustration of these two modes will take the 802.1X authentication procedure initiated by the supplicant system for example.
Page 178
the RADIUS server through the switch. (The encryption is irreversible.) The RADIUS server compares the received encrypted password (contained in a RADIUS Access-Request packet) with the locally-encrypted password. If the two match, it will then send feedbacks (through a RADIUS Access-Accept packet and an EAP-Success packet) to the switch to indicate that the supplicant system is authorized.
(2) RADIUS server timer (Server Timeout): This timer is triggered by the switch after the switch sends an authentication request packet to RADIUS server. The switch will resend the authentication request packet if the RADIUS server fails to respond in the specified timeout period.
Page 180
Figure 13-22 Global Config The following entries are displayed on this screen: Global Config 802.1X: Enable/Disable the 802.1X function. Authentication Method: Select the Authentication Method from the pull-down list. • EAP-MD5: IEEE 802.1X authentication system uses extensible authentication protocol (EAP) to exchange information between the switch and the client.
failed to the 802.1X Authentication, then the switch will not respond to the authentication request from the same supplicant during the Quiet Period. Retry Times: Specify the maximum transfer times of the repeated authentication request. Supplicant Timeout: Specify the maximum time for the switch to wait for the response from supplicant before resending a request to the supplicant.
Status: Select Enable/Disable the 802.1X authentication feature for the port. Guest VLAN: Select Enable/Disable the Guest VLAN feature for the port. Control Mode: Specify the Control Mode for the port. • Auto: In this mode, the port will normally work only after passing the 802.1X Authentication.
Page 183
Primary IP: Enter the IP address of the authentication server. Secondary IP: Enter the IP address of the alternate authentication server. Authentication Port: Set the UDP port of authentication server(s). The default port is 1812 Authentication KEY: Set the shared password for the switch and the authentication servers to exchange messages.
Chapter 14 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 physical differences of the devices.
Page 185
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, functioning as a password.
management station. The specified User Name and the Auth/Privacy Password are used for SNMP Management Station to access the SNMP Agent, functioning as the password. SNMP module is used to configure the SNMP function of the switch, including three submenus: SNMP Config, Notification and RMON.
Note: The amount of Engine ID characters must be even. 14.1.2 SNMP View The OID (Object Identifier) of the SNMP packets is used to describe the managed objects of the switch, and the MIB (Management Information Base) is the set of the OIDs. The SNMP View is created for the SNMP management station to manage MIB objects.
14.1.3 SNMP Group On this page, you can configure SNMP Group to control the network access by providing the users in various groups with different management rights via the Read View, Write View and Notify View. Choose the menu SNMP→SNMP Config→SNMP Group to load the following page. Figure 14-5 SNMP Group The following entries are displayed on this screen: Group Config...
Write View: Select the View to be the Write View. The management access is writing only and changes can be made to the assigned SNMP View. The View defined both as the Read View and the Write View can be read and modified. Notify View: Select the View to be the Notify View.
Page 190
Figure 14-6 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.
User Table Select: Select the desired entry to delete the corresponding User. It is multi-optional. User Name: Displays the name of the User. User Type: Displays the User Type. Group Name: Displays the Group Name of the User. Security Model: Displays the Security Model of the User.
Page 192
• read-only: Management right of the Community is restricted to read-only, and changes cannot be made to the corresponding View. • read-write: Management right of the Community is read-write and changes can be made to the corresponding View. MIB View: Select the MIB View for the community to access.
Create SNMP View. Required. On the SNMP→SNMP Config→SNMP View page, create SNMP View of the management agent. The default View Name is viewDefault and the default OID is 1. Create SNMP Required alternatively. Community Create SNMP Community directly. directly. SNMP→SNMP Config→SNMP Community page, create SNMP Community based on SNMP v1 and SNMP v2c.
Page 194
Figure 14-8 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 sending.
Select: Select the desired entry to delete the corresponding management station. IP Address: Displays the IP Address of the management host. UDP Port: Displays the UDP port used to send notifications. User: Displays the User name of the management station. Security Model: Displays the Security Model of the management station.
pages. 14.3.1 History Control On this page, you can configure the History Group for RMON. Choose the menu SNMP→RMON→History Control to load the following page. Figure 14-9 History Control The following entries are displayed on this screen: History Control Table Select: Select the desired entry for configuration.
Figure 14-10 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.
Page 198
Figure 14-11 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 acts. Sample Type: Specify the sampling method for the selected variable and comparing the value against the thresholds.
Page 199
Interval: Enter the alarm interval time in seconds. Owner: Enter the name of the device or user that defined the entry. Status: Select Enable/Disable the corresponding alarm entry. Note: When alarm variables exceed the Threshold on the same direction continuously for several times, an alarm event will only be generated on the first time, that is, the Rising Alarm and Falling Alarm are triggered alternately for that the alarm following to Rising Alarm is certainly a Falling Alarm and vice versa.
Chapter 15 Cluster With the development of network technology, the network scale is getting larger and more network devices are required, which may result in a more complicated network management system. As a large number of devices need to be assigned different network addresses and every management device needs to be respectively configured to meet the application requirements, manpower are needed.
The commander switch discovers and determines candidate switches by collecting related information. After being added to the cluster, the candidate switch becomes to be the member switch, After being removed from the cluster, the member switch becomes to be the candidate switch. The commander switch becomes to be the candidate switch only when the cluster is deleted.
The following entries are displayed on this screen: Neighbor Search Option: Select the information the desired entry should contain and then click the Search button to display the desired entry in the following Neighbor Information table. Neighbor Info Native Port: Displays the port number of the switch.
Page 203
Figure 15-3 NDP Summary The following entries are displayed on this screen: Global Config NDP: Displays the global NDP status (enabled or disabled) for the switch. Aging Time: Displays the period for the neighbor switch to keep the NDP packets from this switch. Hello Time: Displays the interval to send NDP packets.
Click the Detail button to view the complete information collected Detail: for the port. 15.1.3 NDP Config On this page you can configure the NDP function for the switch. Choose the menu Cluster→NDP→NDP Config to load the following page. Figure 15-4 NDP Config The following entries are displayed on this screen: Global Cofig NDP:...
Port: Displays the port number of the switch. NDP: Displays NDP status of the current port. Enable: Click the Enable button to enable NDP for the port you select. Disable: Click the Disable button to disable NDP for the port you select. Note: NDP function is effective only when NDP function is enabled globally and for the port.
Device Table Device Type: Displays the device description collected through NTDP. Device MAC: Displays the MAC address of this device. Cluster Name: Displays the cluster name of this device. Role: Displays the role this device plays in the cluster. Commander: Indicates the device that can configure and manage all the devices in a cluster.
Page 207
Figure 15-7 NTDP Summary The following entries are displayed on this screen: Global Config NTDP: Displays the NTDP status (enabled or disabled) of the switch globally. NTDP Interval Time: Displays the interval to collect topology information. NTDP Hops: Displays the hop count the switch topology collects. NTDP Hop Delay: Displays the time between the switch receiving NTDP request packets and the switch forwarding NTDP request packets for the...
Port: Displays the port number of the switch. NTDP: Displays NTDP status (enabled or disabled) of the current port. 15.2.3 NTDP Config On this page you can configure NTDP globally. Choose the menu Cluster→NTDP→NTDP Config to load the following page. Figure 15-8 NTDP Config The following entries are displayed on this screen: Global Config...
NTDP Hop Delay: Enter the time between the switch receiving NTDP request packets and the switch forwarding NTDP request packets for the first time. The default is 200 milliseconds. NTDP Port Delay: Enter the time between the port forwarding NTDP request packets and its adjacent port forwarding NTDP request packets over.
Page 210
Global Cluster: Displays the cluster status (enabled or disabled) of the switch. Cluster Role: Displays the role the switch plays in the cluster. For a commander switch,the following page is displayed: Figure 15-10 Cluster Summary for Commander Switch The following entries are displayed on this screen: Global Config Cluster: Displays the cluster status (enabled or disabled) of the switch.
Page 211
Device MAC: Displays the MAC address of the member switch. IP Address: Displays the IP address of the member switch used in the cluster. Status: Displays the connection status of the member switch. Role: Displays the role the switch plays currently. Online Time: Displays the time when the member switch is added to the cluster.
The following entries are displayed on this screen: Global Config Cluster: Displays the cluster status (enabled or disabled) of the switch. Cluster Role: Displays the role the switch plays in the cluster. 15.3.2 Cluster Config On this page you can configure the status of the cluster the switch belongs to. Choose the menu Cluster→Cluster→Cluster Config to load the following page.
Page 213
Figure 15-14 Cluster Configuration for Commander Switch The following entries are displayed on this screen: Current Role Role: Displays the role the current switch plays in the cluster. Role Change Candidate: Select this option to change the role of the switch to be candidate switch.
Current Role Role: Displays the role the current switch plays in the cluster. Role Change Individual: Select this option to change the role of the switch to be individual switch. For an individual switch, the following page is displayed. Figure 15-16 Cluster Configuration for Individual Switch The following entries are displayed on this screen: Current Role Role:...
Figure 15-17 Member Config The following entries are displayed on this screen: Create Member Member MAC: Enter the MAC address of the candidate switch. Member Info Select: Select the desired entry to manage/delete the corresponding member switch. Device Name: Display the description of the member switch. Member MAC: Displays the MAC address of the member switch.
Page 216
Figure 15-18 Collect Topology The following entries are displayed on this screen: Graphic Show Collect Topology: Click the Collect Topology button to display the cluster topology. Manage: If the current device is the commander switch in the cluster and the selected device is a member switch in the cluster, you can click the Manage button to log on to Web management page of the corresponding switch.
Step Operation Description Enable the NDP function Optional. On Cluster→NDP→NDP Config page, enable the globally and for the port, NDP function on the switch. and then configure NDP parameters Enable the NTDP function Optional. On Cluster→NTDP→NTDP Config page, enable globally and for the port, the NTDP function on the switch.
Page 218
Port 1 of the commander switch is connecting to the external network, port 2 is connecting to member switch 1 and port 3 is connecting to member switch 2. IP pool: 192.168.0.1, Mask: 255.255.255.0. Network Diagram Figure 13-19 Network diagram Configuration Procedure Configure the member switch Step Operation...
Page 219
Configure the member switch On Cluster→Cluster→Member Config page, select the member switch and click the Manage button to log on to its Web management page. Cluster→Cluster→Cluster Topology page, double-click the switch icon to view its detailed information; click the switch icon and click the Manage button to log on to the Web management page.
Chapter 16 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)...
Figure 16-1 CPU Monitor Click the Monitor button to enable the switch to monitor and display its CPU utilization rate every four seconds. 16.1.2 Memory Monitor Choose the menu Maintenance→System Monitor→Memory Monitor to load the following page.
Figure 16-2 Memory Monitor Click the Monitor button to enable the switch to monitor and display its Memory utilization rate every four seconds. 16.2 Log The Log system of switch can record, classify and manage the system information effectively, providing powerful support for network administrator to monitor network operation and diagnose malfunction.
The Log function is implemented on the Log Table, Local Log, Remote Log and Backup Log pages. 16.2.1 Log Table The switch supports logs output to two directions, namely, log buffer and log file. The information in log buffer will be lost after the switch is rebooted or powered off whereas the information in log file will be kept effective even the switch is rebooted or powered off.
you can set the output channel for logs. Choose the menu Maintenance→Log→Local Log to load the following page. Figure 16-4 Local Log The following entries are displayed on this screen: Local Log Config Select: Select the desired entry to configure the corresponding local log. Log Buffer: Indicates the RAM for saving system log.
Figure 16-5 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.
Figure 16-6 Backup Log 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. 16.3 Device Diagnose This switch provides Cable Test and Loopback functions for device diagnose.
The Length displayed here is the length of pair cable not that of the physical cable. The test result is just for your reference. 16.3.2 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 as to check and analyze the physical connection status of the port to help you locate and solve network malfunctions.
Choose the menu Maintenance→Network Diagnose→Ping to load the following page. Figure 16-9 Ping The following entries are displayed on this screen: Ping Config Destination IP: Enter the IP address of the destination node for Ping test. Ping Times: Enter the amount of times to send test data during Ping testing. The default value is recommended.
Page 229
Figure 16-10 Tracert 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 pass through. Return to CONTENTS...
Chapter 17 System Maintenance via FTP The firmware can be downloaded to the switch via FTP function. FTP (File Transfer Protocol), a protocol in the application layer, is mainly used to transfer files between the remote server and the local PCs. It is a common protocol used in the IP network for files transfer. If there is something wrong with the firmware of the switch and the switch can not be launched, the firmware can be downloaded to the switch again via FTP function.
Page 231
Figure 16-2 Open Hyper Terminal 2) The Connection Description Window will prompt shown as Figure 16-3. Enter a name into the Name field and click OK. Figure 16-3 Connection Description 3) Select the port to connect in Figure 16-4 and click OK.
Page 232
Figure 16-4 Select the port to connect 4) Configure the port selected in the step above shown as the following Figure 16-5. Configure Bits per second as 38400, Data bits as 8, Parity as None, Stop bits as 1, Flow control as None, and then click OK. Figure 16-5 Port Settings 3.
Page 233
N to quit upgrade shown as the following figure. The # icon indicates it is upgrading. After upgrading, the [TP-LINK] command will display. 7) Please enter start command to start the switch shown as the following figure. Enter the...
Page 234
the CLI command window and you can manage the switch via CLI command. When you forget the login user name and password, you can enter reset command after entering into bootrom menu to reset the system. The system will be restored to the factory default settings, and the default login user name and password are both admin.
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. Configure TCP/IP component On the Windows taskbar, click the Start button, and then click Control Panel. Click the Network and Internet Connections icon, and then click on the Network Connections tab in the appearing window.
Page 237
Figure B-2 The following TCP/IP Properties window will display and the IP Address tab is open on this window by default.
Page 238
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...
In 802.1X mechanism, the supplicant Client should be equipped with the corresponding client software complied with 802.1X protocol standard for 802.1X authentication. When the switch TL-SL5428E works as the authenticator system, please take the following instructions to install the TpSupplicant provided on the attached CD for the supplicant Client.
Page 240
Figure C-3 Welcome to the InstallShield Wizard To continue, choose the destination location for the installation files and click Next on the following screen. Figure C-4 Choose Destination Location By default, the installation files are saved on the Program Files folder of system disk. Click the Change button to modify the destination location proper to your need.
Page 241
Figure C-5 Install the Program The InstallShield Wizard is installing TpSupplicant-V2.0 shown as the following screen. Please wait. Figure C-6 Setup Status On the following screen, click Finish to complete the installation.
Page 242
Uninstall Software If you want to remove the TpSupplicant, please take the following steps: On the Windows taskbar, click the Start button, point to All Programs TP-LINK TpSupplicant-V2.0, and then click Uninstall TP-LINK 802.1X, shown as the following figure.
Page 243
On the continued screen, click Yes to remove the application from your PC. Figure C-9 Uninstall the Application Click Finish to complete. Figure C-10 Uninstall Complete Configuration After completing installation, double click the icon to run the TP-LINK 802.1X Client Software. The following screen will appear.
Page 244
Figure C-11 TP-LINK 802.1X Client Enter the Name and the Password specified in the Authentication Server. The length of Name and Password should be less than 15 characters. Click the Properties button on Figure C-11 to load the following screen for configuring the connection properties.
Page 245
period. To continue, click Connect button after entering the Name and Password on Figure C-11 Then the following screen will appear to prompt that the Radius server is being searched. Figure C-13 Authentication Dialog When passing the authentication, the following screen will appear. Figure C-14 Successfully Authenticated Double click the icon on the right corner of desktop, and then the following connection...
Page 246
FAQ: Q1: Why does this error dialog box pop up when starting up the TP-LINK 802.1X Client Software? A1: It’s because the supported DLL file is missing. You are suggested to go to http://www.winpcap.org to download WinPcap 4.0.2 or the higher version for installation, and run the client software again.
Appendix D: 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 address information, the address of the TFTP server that contains the devices system files, and the name of the boot file.
Page 248
any participating network devices or end stations comply with the IEEE 802.1p standard. Group Attribute Registration Protocol (GARP) See Generic Attribute Registration Protocol. IEEE 802.1D Specifies a general method for the operation of MAC bridges, including the Spanning Tree Protocol. IEEE 802.1Q VLAN Tagging—Defines Ethernet frame tags which carry VLAN information.
Page 249
hardware interface for network devices and passes on traffic based on MAC addresses. Link Aggregation See Port Trunk. Link Aggregation Control Protocol (LACP) Allows ports to automatically negotiate a trunked link with LACP-configured ports on another device. Management Information Base (MIB) An acronym for Management Information Base.
Page 250
Simple Network Management Protocol (SNMP) The application protocol in the Internet suite of protocols which offers network management services. Simple Network Time Protocol (SNTP) SNTP allows a device to set its internal clock based on periodic updates from a Network Time Protocol (NTP) server.
Need help?
Do you have a question about the TL-SL5428E and is the answer not in the manual?
Questions and answers