TP-LINK TL-SG2216 V2 User's Guide

TL-SG2216/TL-SG2424/TL-SG2424P/TL-SG2452 Gigabit Smart Switch REV2.0.0 1910011093

Chapter 1 About this Guide This User Guide contains information for setup and management of TL-SG2216/TL-SG2424/ TL-SG2424P/TL-SG2452 Gigabit Smart

 IPv 4 Multicast Address 1. IPv4 Multicast IP Address: As specified by IANA (Internet Assigned Numbers Authority), Class D IP addresses are used a

 0XFF at the start of the address identifies the address as being a multicast address.  Flags have 4 bits: (1) The high-order flag is reserve

Reserved Multicast Addresses: Address Indication FF01::1 All interface-local IPv6 nodes FF02::1 All link-local IPv6 nodes FF01::2 All interface

 Multicast Address Table The switch is forwarding multicast packets based on the multicast address table. As the transmission of multicast packets

if the multicast groups contain any member. When receiving IGMP leave message, the receiving port of the router will send IGMP group-specific-query m

The IGMP Snooping function can be implemented on the following pages: Snooping Config, VLAN Config, Port Config, IP-Range , Multicast VLAN, St

Choose the menu Multicast→IGMP Snooping→VLAN Config to load the following page. Figure 8-6 VLAN Config The following entries are displayed on this s

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

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

Choose the menu Multicast→IGMP Snooping→IP-Range to load the following page. Figure 8-8 Multicast Filter The following entries are displayed on this

Chapter Introduction Chapter 3 Login to the Switch Introduces how to log on to the Web management page. Chapter 4 System This module is used to c

Before configuring a multicast VLAN, you should firstly configure a VLAN as multicast VLAN and add the corresponding ports to the VLAN on the 802.1Q

4. Configure the link type of the router port in the multicast VLAN as TRUNK or configure the egress rule as TAG and the link type as GENERAL otherw

 Network Diagram  Configuration Procedure Step Operation Description 1 Create VLANs Create three VLANs with the VLAN ID 3, 4 and 5 respective

Choose the menu Multicast→IGMP Snooping→Static Multicast IP to load the following page. Figure 8-10 Static Multicast IP Table The following entries

Choose the menu Multicast→IGMP Snooping→Packet Statistics to load the following page. Figure 8-11 Packet Statistics The following entries are displa

Error Packet: Displays the number of error packets the port received. 8.2 MLD Snooping  MLD Snooping Multicast Listener Discovery（MLD）snooping is

 MLD Snooping Process 1. General Query The MLD router regularly sends MLD general queries to query if the multicast groups contain any members. Wh

Chose the menu Multicast→MLD Snooping→Global Config to load the following page. The following entries are displayed on this screen:  Global Config

Multicast VLAN: Enable or disable multicast VLAN function. When multicast VLAN is enabled, all multicast data will forward in this VLAN if this port

Choose the menu Multicast→MLD Snooping→VLAN Config to load the following page. The following entries are displayed on this screen:  Vlan Config VL

Chapter Introduction Chapter 9 QoS This module is used to configure QoS function to provide different quality of service for various network applica

Dynamic Router Ports： Displays the dynamic router ports of this VLAN. Note: 1. The MLD snooping function in a VLAN will take effect when global MLD

8.2.4 Port Config On this page you can configure MLD Snooping function with each single port. Choose the menu Multicast→MLD Snooping→Port Config to

Choose the menu Multicast→MLD Snooping→Static Multicast to load the following page. The following entries are displayed on this screen:  Static Mu

The following entries are displayed on this screen:  Querier Config VLAN ID: Enter the VLAN ID which you want to start Querier. Maximum Respo

Choose the menu Multicast→MLD Snooping→Packet Statistics to load the following page. The following entries are displayed on this screen:  Auto Fre

Error Packet: Displays the number of error packets which the switch has received. 8.3 Multicast Table In a network, receivers can join different mul

8.3.2 IPv6 Multicast Table This page displays the multicast groups which already on the switch. Choose the menu Multicast→Multicast Table→IPv6 Multic

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

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

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

Chapter Introduction Chapter 14 Maintenance This module is used to assemble the commonly used system tools to manage the switch. Here mainly introdu

4. Equ-Mode: Equal-Mode. In this mode, all the queues occupy the bandwidth equally. The weight value ratio of all the queues is 1:1:1:1. The QoS mo

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

 Priority Level DSCP: Indicates the priority determined by the DS region of IP datagram. It ranges from 0 to 63. Priority Level: Indicates the 8

 Priority Level DSCP: Indicates the priority determined by the DS region of IP datagram. It ranges from 0 to 63. Priority Level: Indicates the 8

 Priority and CoS-mapping Config Ta g -id/Cos-id: Indicates the precedence level defined by IEEE802.1P and the CoS ID. Queue TC-id: Indicates the p

SP+WRR-Mode: Str ict-Priority + Weight Round Robin Mode. In this mode, this switch provides two scheduling groups, SP group and WRR group. Queues in

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

Choose the menu QoS→Bandwidth Control→Storm Control to load the following page. For TL-SG2216/TL-SG2424/TL-SG2424P: Figure 9-12 Storm Control The fo

Note: If you enable storm control feature for the ingress rate limit-enabled port, ingress rate limit feature will be disabled for this port. For TL

9.3 Voice VLAN Voice VLANs are configured specially for voice data stream. By configuring Voice VLANs and adding the ports with voice devices att

Chapter 2 Introduction Thanks for choosing the TL-SG2216/TL-SG2424/TL-SG2424P/TL-SG2452 Gigabit Smart Switch! 2.1 Overview of the Switch Designed f

In practice, the port voice VLAN mode is configured according to the type of packets sent out from voice device and the link type of the port. The fo

9.3.1 Global Config On this page, you can configure the global parameters of the voice VLAN, including VLAN ID and aging time. Choose the menu QoS→

Note: To enable voice VLAN function for the LAG member port, please ensure its member state accords with its port mode. If a port is a member port o

Choose the menu QoS→Vo i ce VLAN→OUI Config to load the following page. Figure 9-16 OUI Configuration The following entries are displayed on this s

Step Operation Description 5 Enable Voice VLAN Required. On QoS→Voice VLAN→Global Config page, configure the global parameters of voice VLAN. Ret

Chapter 10 ACL 10.1 ACL Config An ACL may contain a number of rules, and each rule specifies a different package range. Packets are matched in match

Choose the menu ACL→ACL Config→ACL Create to load the following page. Figure 10-2 ACL Create The following entries are displayed on this screen: 

S-M AC: Enter the source MAC address contained in the rule. D-M AC: Enter the destination MAC address contained in the rule. M ASK: Enter MAC addr

Choose the menu ACL→ACL Config→Extend-IP ACL to load the following page. Figure 10-5 Create Extend-IP Rule The following entries are displayed on t

10.2.1 Policy Summary On this page, you can view the ACL and the corresponding operations in the policy. Choose the menu ACL→Policy Config→Policy

2.3 Appearance Description 2.3.1 Front Panel The front panel of TL-SG2216 is shown as Figure 2-1. Figure 2-1 Front Panel of TL-SG2216 The fro

10.2.3 Action Create On this page you can add ACLs for the policy. Choose the menu ACL→Policy Config→Action Create to load the following page. Figu

 Policy Bind Table Select: Select the desired entry to delete the corresponding binding policy. Index: Displays the index of the binding policy.

Choose the menu ACL→Policy Binding→VLAN Binding to load the following page. Figure 10-11 Bind the policy to the VLAN The following entries are displ

2. The staff of the R&D department cannot access to the Internet but can visit the forum. 3. The staff of the marketing department can access t

Step Operation Description 2 Configure for requirement 2 and 4 On ACL→ACL Config→ACL Create page, create ACL 100. On ACL→ACL Config→Standard-IP

Chapter 11 PoE Note: Only TL-SG2424P supports PoE function. PoE (Po wer over Ethernet) technology describes a system to transmit electrical power al

PoE Config, mainly for PoE attributes configuration, is implemented on PoE Config and PoE Profile pages. 11.1.1 PoE Config On this page, you can

Power Limit (0.1w-30w): Defines the max power the corresponding port can supply. Class1 represents 4w, Class2 represents 7w, Class3 represents 15.4w

Power Limit: Defines the max power the corresponding port can supply. Class1 represents 4 w, Class2 represents 7w and Class3 represents 15.4w.

Slice: Displays the time-slice of the time-range. Mode: Displays the mode the time-range adopts. Operation: Click Edit to modify this time-range a

Note: The SFP port can only be used with a gigabit module.  LEDs For TL-SG2216/TL-SG2424: Name Status Indication Power On Power is on. Fl

 Time -Slice Tab l e Index: Displays the index of the time-slice. Start Time: Displays the start time of the time-slice. End Time: Displays t

Chapter 12 SNMP  SNM P Ov erview SNMP (Simple Network Management Protocol) has gained the most extensive application on the UDP/IP networks. SNMP

normally. You can select the management mode with proper security level according to your actual application requirement. SNM P v1: SNMP v1 adopt

3. Create SNMP User The User configured in a SNMP Group can manage the switch via the client program on management station. The specified User Name

Note: The amount of Engine ID characters must be even. 12.1.2 SNMP View The OID (Object Identifier) of the SNMP packets is used to describe the man

12.1.3 SNMP Group On this page, you can configure SNMP Group to control the network access by providing the users in various groups with different m

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 d

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

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

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

When the PoE LED is on, the port LED is indicating the power supply status. Name Status Indication Power On The switch is powered on. Off The sw

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

Typ e : Select the type for the notifications. • Tr a p : Indicates traps are sent. • Inform: Indicates informs are sent. The Inform type has a hi

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

Status: Select Enable/Disable the corresponding sampling entry. 12.3.2 Event Config On this page, you can configure the RMON events. Choose the me

12.3.3 Alarm Config On this page, you can configure Statistic Group and Alarm Group for RMON. Choose the menu SNMP→RM ON→Alarm Config to load the fo

• Rising: When the sampled value exceeds the Rising Threshold, an alarm event is triggered. • Falling: When the sampled value is under the Falli

Chapter 13 LLDP Note: Only TL-SG2424P supports LLDP function. LLDP (Link Layer Discovery Protocol) is a Layer 2 protocol that is used for network

or to allow the port to both transmit and receive LLDPDUs. Four LLDP admin statuses are supported by each port.  Tx&Rx: the port can both tra

The following table shows the details about the currently defined TLVs. TLV t yp e TLV N ame Description Usage in LLDPDU 0 End of LLDPDU Mark

Note: For detailed introduction of TLV, please refer to IEEE 802.1AB standard and ANSI/TIA-1057. In TP-LINK switch, the following LLDP optional

2.3.2 Rear Panel The rear panel of TL-SG2216/TL-SG2424/TL-SG2424P/TL-SG2452 features a power socket and a Grounding Terminal (marked with), here we

The LLDP module is mainly for LLDP function configuration of the switch, including three submenus: Basic Config, Device Info, Device Statistics and L

Fast Start Time s: When the port's LLDP state transforms from Disable (or Rx_Only) to Tx&Rx (or Tx_Only), the fast start mechanism will be e

13.2 Device Info You can view the LLDP information of the local device and its neighbors on the Local Info and Neighbor Info pages respectively. 13.

Refresh Rate: Specify the auto refresh rate.  Local Info Enter the desired port number and click Select to display the information of the corres

Choose the menu LLDP→Device Statistics→Statistic Info to load the following page. Figure 13-5 LLDP Statistic Information The following entries are

 Neighbor Statistics Port Sele ct: Click the Select button to quick-select the corresponding port based on the port number you entered. Port: D

TLV Description Location Identification TLV The Location Identification TLV provides for advertisement of location identifier information to Communi

13.4.2 Port Config On this page you can configure all ports' LLDP-MED parameters. Choose the menu LLDP→LLDP-M ED→Port Config to load the follo

 Included TLVs Select TLVs to be included in outgoing LLDPDU.  Location Identification Parameters Configure the Location Identification TLV&apos

Choose the menu LLDP→LLDP-M ED→Local Info to load the following page. Figure 13-8 LLDP-MED Local Information The following entries are displayed on

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.

Choose the menu LLDP→LLDP-M ED→Neighbor Info to load the following page. Figure 13-9 LLDP-MED Neighbor Information The following entries are displa

Chapter 14 Maintenance Maintenance module, assembling the commonly used system tools to manage the switch, provides the convenient method to locate

14.1.2 Memory Monitor Choose the menu Maintenance→System Monitor→Me mory M onitor to load the following page. Figure 14-2 Memory Monitor Click the

The Log function is implemented on the Log Table, Local Log, Re mote Log and Backup Log pages. 14.2.1 Log Table The switch supports logs output to

Choose the menu Maintenance→Log→Local Log to load the following page. Figure 14-4 Local Log The following entries are displayed on this screen:  L

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:

Choose the menu Maintenance→Device Diagnostics→Cable Test to load the following page. Figure 14-7 Cable Test The following entries are displayed on

Figure 14-8 Ping The following entries are displayed on this screen:  Ping Config Destination IP: Enter the IP address of the destination node fo

The following entries are displayed on this screen:  Tracert Config Destination IP: Enter the IP address of the destination device. Both IPv4 an

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

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

3.2 Configuration After a successful login, the main page will appear as Figure 3-6, and you can configure the function by clicking the setup menu

Appendix B: Configuring the PCs In this section, we’ll introduce how to install and configure the TCP/IP correctly in Windows 2000 and TCP/IPv6 in WI

Figure B-2 5) The following TCP/IP Properties window will display and the IP Address tab is open on this window by default. Figure B-3 193

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 addre

5) The following TCP/IPv6 Properties window will display and the IP Address tab is open on this window by default. 195

6) Select Use the following IPv6 address. And the following items will be available. If the switch's IP address is 3001::1/64, specify IP ad

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

Internet Group Management Protocol (IGMP) A protocol through which hosts can register with their local router for multicast services. If there is mor

Remote Authentication Dial-in User Service (RADIUS) RADIUS is a logon authentication protocol that uses software running on a central server to cont

Chapter 4 System The System module is mainly for system configuration of the switch, including four submenus: System Info, User M anageme nt, Sys

Indicates the SFP port is not connected to a device. Indicates the SFP port is at the speed of 1000Mbps. When the cursor moves on the port, the det

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 descr

The following entries are displayed on this screen:  Time Info Current System Date: Displays the current date and time of the switch. Current Time

The following entries are displayed on this screen:  DST Config DST Status: Enable or disable the DST. Predefined Mode: Select a predefined DST c

Choose the menu Syste m→System Info→Syste m IP to load the following page. Figure 4-7 System IP The following entries are displayed on this screen:

4. If DHCP or BOOTP option is selected, the switch will get network parameters dynamically from the Internet, which means that IP address, subnet m

messages takes the place of Address Resolution Protocol (ARP) message, Internet Control Message Protocol version 4 (ICMPv4) router discovery message,

 Anycast address: An identifier for a set of interfaces (typically belonging to different nodes). A packet sent to an anycast address is delivered

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

setting the universal/local (U/L) bit--the seventh bit of the first octet--to a value of 0 or 1. A value of 0 indicates a locally administered identi

Note: You can configure multiple IPv6 addresses per interface, but only one link-local address.  IPv6 Neighbor Discovery The IPv6 neighbor discove

function of IPv4). DAD is accomplished through NS and NA messages. The DAD procedure is as follows:  Node A sends an NS message whose source addres

A device will send an IPv6 ICMP redirect message when the following conditions are satisfied:  The receiving interface is the forwarding interfac

 Link-local Address Config Config Mode: Select the link-local address configuration mode.  Manual: When this option is selected, you should assi

Typ e : Displays the configuration mode of the global address.  Manual: Indicates that the corresponding address is configured manually.  Auto:

Choose the menu Syste m→User Management→User Config to load the following page. Figure 4-12 User Config The following entries are displayed on this

4.3 System Tools The System Tools function, allowing you to manage the configuration file of the switch, can be implemented on Config Restore , Co

Choose the menu Syste m→System Tools→Config Backup to load the following page. Figure 4-14 Config Backup The following entries are displayed on this

4. After upgrading, the device will reboot automatically. 5. You are suggested to backup the configuration before upgrading. 4.3.4 System Reboot O

CONTENTS Package Contents ... 1 C

Choose the menu Syste m→Access Security→Access Control to load the following page. Figure 4-18 Access Control The following entries are displayed o

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 reconf

Choose the menu Syste m→Access Security→SSL Config to load the following page. Figure 4-19 SSL Config The following entries are displayed on this sc

an insecure network environment. It can encrypt all the transmission data and prevent the information in a remote management being leaked. Comprising

 Key Download Ke y 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:

2. Click the Ope n button in the above figure to log on to the switch. Enter the login user name and password, and then you can continue to configur

3. On the Web management page of the switch, download the public key file saved in the computer to the switch. Note: 1. The key type should acc

5. Click Browse to download the private key file to SSH client software and click Open. After successful authentication, please enter the login us

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

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

5.1 Port ... 40 5.1.1 Port C

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

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

Choose the menu Switching→Port→Port Security to load the following page. Figure 5-4 Port Security The following entries are displayed on this screen

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 avai

5.1.5 Loopback Detection With loopback detection feature enabled, the switch can detect loops using loopback detection packets. When a loop is detect

 Port Config Port Sele ct: Click the Select button to quick-select the corresponding port based on the port number you entered. Select: Select th

Tips: 1. 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 L

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

Description: Displays the description of the LAG.  Member Port Member Port: Select the port as the LAG member. Clearing all the ports of the LAG w

Choose the menu Switching→LAG→LACP Config to load the following page. Figure 5-10 LACP Config The following entries are displayed on this screen:

8.1 IGMP Snooping... 95 8.1.1 Snooping Config

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

Refresh Rate: Enter a value in seconds to specify the refresh interval.  Traffic Summary Port Sele ct: Click the Select button to quick-select th

Auto Refresh: Allows you to Enable/Disable refreshing the Traffic Summary automatically. Refresh Rate: Enter a value in seconds to specify the refr

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.

The following entries are displayed on this screen:  Search Option M AC Ad dr e ss: Enter the MAC address of your desired entry. VLAN ID: Enter

Choose the menu Switching→M AC Add re ss→Static Address to load the following page. Figure 5-14 Static Address The following entries are displayed o

Aging Status: Displays the Aging Status of the MAC address. Note : 1. If the corresponding port number of the MAC address is not correct, or the

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

Choose the menu Switching→M AC Add re ss→Filtering Address to load the following page. Figure 5-16 Filtering Address The following entries are displ

5.5 DHCP Filtering Nowadays, the network is getting larger and more complicated. The amount of the PCs always exceeds that of the assigned IP addres

10.1.4 Standard-IP ACL ... 139 10.1.5 Extend-IP ACL ...

Most clients obtain IP addresses dynamically, which is illustrated in the following figure. Figure 5-18 Interaction between a DHCP client and a DH

Figure 5-19 DHCP Cheating Attack Implementation Procedure DHCP Filtering feature allows only the trusted ports to forward DHCP packets and thereb

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

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

 PVID PVID (Port VLAN ID) is the default VID of the port. When the switch receives an un-VLAN-tagged packet, it will add a VLAN tag to the packet a

Choose the menu VLAN→802.1Q VLAN→VLAN Config to load the following page. Figure 6-3 VLAN Table To ensure the normal communication of the factory s

VLAN Name: Here you can set the name of the VLAN you choose. Port: Displays the port number. Untagged: The port will be an untagged member of

Ste p Operation Description 3 Create VLAN20 Required. On VLAN→802.1Q VLAN→VLAN Config page, create a VLAN with its VLAN ID as 20, owning Port 3

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

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

13.2.2 Neighbor Info ... 175 13.3 Device Statistics ...

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

 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 o

The following figure shows the network diagram in MSTP. Figure 7-2 Basic MSTP diagram  M STP MSTP divides a network into several MST regions. Th

The following diagram shows the different port roles. Figure 7-3 Port roles The Spanning Tree module is mainly for spanning tree configuration of t

The following entries are displayed on this screen:  Global Config STP: Select Enable/Disable STP function globally on the switch. Ve r si o n :

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

Choose the menu Spanning Tree→Port Config to load the following page. Figure 7-6 Port Config The following entries are displayed on this screen: 

Port Role: Displays the role of the port played in the STP Instance.  Root Port: Indicates the port that has the lowest path cost from this bridge

Choose the menu Spanning Tree→MSTP Instance→Region Config to load the following page. Figure 7-7 Region Config The following entries are displayed o

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

Package Contents The following items should be found in your box:  One Gigabit Smart Switch  One power cord  Two mounting brackets and other

Choose the menu Spanning Tree→M STP Instance →Instance Port Config to load the following page. Figure 7-9 Instance Port Config The following entries

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

its position and network topology jitter to occur. In this case, flows that should travel along high-speed links may lead to low-speed links, and net

Choose the menu Spanning Tree→STP Security→Port Protect to load the following page. Figure 7-10 Port Protect The following entries are displayed on

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

 Network Diagram  Configuration Procedure  Configure Switch A: Step Operation Description 1 Configure ports On VL AN→802.1Q VLAN page,

3 Configure the region name and the revision of MST region On Spanning Tree→M STP Instance→Re gion Config page, configure the region as TP-LINK an

be found in the section 802.1Q VLAN. 2 Enable STP function On Spanning Tree→STP Config→STP Config page, enable STP function and select MSTP ver

 Suggestion for Configuration  Enable TC Protect function for all the ports of switches.  Enable Root Protect function for all the ports of

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