TP-Link TL-SL5428E operation manual
User Guide
JetStream 24-Port 10/100Mbps + 4-Port Gigabit
L2 Managed Switch
T2500-28TC (TL-SL5428E)
REV2.0.0
1910011987
COPYRIGHT & TRADEMARKS
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. Copyright © 2016 TP-Link Technologies Co., Ltd. All rights
reserved.
http://www.tp-link.com
FCC STATEMENT
This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio frequency energy and, if
not installed and used in accordance with the instruction manual, may cause harmful
interference to radio communications. Operation of this equipment in a residential area is likely
to cause harmful interference in which case the user will be required to correct the interference
at his own expense.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two
conditions:
1) This device may not cause harmful interference.
2) This device must accept any interference received, including interference that may cause
undesired operation.
Any changes or modifications not expressly approved by the party responsible for compliance
could void the user’s authority to operate the equipment.
CE Mark Warning
This is a class A product. In a domestic environment, this product may cause radio interference,
in which case the user may be required to take adequate measures.
I
Symbol
Explanation
This product bears the selective sorting symbol for Waste electrical and electronic
roduct must be handled pursuant to
User has the choice to give his product to a competent recycling organization or to
Продукт сертифіковано згідно с правилами системи УкрСЕПРО на відповідність вимогам
нормативних документів та вимогам, що передбачені чинними законодавчими актами
України.
Industry Canada Statement
CAN ICES-3 (A)/NMB-3(A)
Safety Information
When product has power button, the power button is one of the way to shut off the
product; When there is no power button, the only way to completely shut off power is to
disconnect the product or the power adapter from the power source.
Don’t disassemble the product, or make repairs yourself. You run the risk of electric shock
and voiding the limited warranty. If you need service, please contact us.
Avoid water and wet locations.
安全諮詢及注意事項
請使用原裝電源供應器或只能按照本產品注明的電源類型使用本產品。
清潔本產品之前請先拔掉電源線。請勿使用液體、噴霧清潔劑或濕布進行清潔。
注意防潮，請勿將水或其他液體潑灑到本產品上。
插槽與開口供通風使用，以確保本產品的操作可靠並防止過熱，請勿堵塞或覆蓋開口。
請勿將本產品置放於靠近熱源的地方。除非有正常的通風，否則不可放在密閉位置中。
請不要私自打開機殼，不要嘗試自行維修本產品，請由授權的專業人士進行此項工作。
此為甲類資訊技術設備，于居住環境中使用時，可能會造成射頻擾動，在此種情況下，使用者
會被要求採取某些適當的對策。
Explanation of the symbols on the product label
AC voltage
Indoor use only
RECYCLING
equipment (WEEE). This means that this p
European directive 2012/19/EU in order to be recycled or dismantled to minimize its
impact on the environment.
the retailer when he buys a new electrical or electronic equipment.
II
CONTENTS
Package Contents ........................................................................................................................... 1
Chapter 1 About This Guide ........................................................................................................... 2
1.1 Intended Readers .......................................................................................................... 2
1.2 Conventions .................................................................................................................. 2
1.3 Overview of This Guide.................................................................................................. 3
Chapter 2 Introduction ................................................................................................................... 8
2.1 Overview of the Switch .................................................................................................. 8
2.2 Appearance Description ............................................................................................... 8
2.2.1 Front Panel .......................................................................................................... 8
2.2.2 Rear Panel ........................................................................................................... 9
Chapter 3 Login to the Switch ..................................................................................................... 10
3.1 Login ............................................................................................................................ 10
3.2 Configuration ............................................................................................................... 10
Chapter 4 System ........................................................................................................................ 12
4.1 System Info .................................................................................................................. 12
4.1.1 System Summary ............................................................................................. 12
4.1.2 Device Description ........................................................................................... 14
4.1.3 System Time ..................................................................................................... 15
4.1.4 Daylight Saving Time ........................................................................................ 16
4.1.5 System IP .......................................................................................................... 17
4.1.6 System IPv6 ...................................................................................................... 18
4.2 User Management ....................................................................................................... 27
4.2.1 User Table ......................................................................................................... 27
4.2.2 User Config ....................................................................................................... 27
4.3 System Tools ............................................................................................................... 29
4.3.1 Config Restore .................................................................................................. 29
4.3.2 Config Backup .................................................................................................. 29
4.3.3 Firmware Upgrade ............................................................................................ 30
4.3.4 System Reboot ................................................................................................. 31
4.3.5 System Reset .................................................................................................... 31
4.4 Access Security ........................................................................................................... 31
4.4.1 Access Control ................................................................................................. 31
4.4.2 SSL Config ........................................................................................................ 33
III
4.4.3 SSH Config ........................................................................................................ 34
Chapter 5 Switching ..................................................................................................................... 42
5.1 Port ............................................................................................................................... 42
5.1.1 Port Config ........................................................................................................ 42
5.1.2 Port Mirror ......................................................................................................... 43
5.1.3 Port Security ..................................................................................................... 45
5.1.4 Port Isolation ..................................................................................................... 46
5.1.5 Loopback Detection ......................................................................................... 47
5.2 DDM ............................................................................................................................. 49
5.2.1 DDM Config ....................................................................................................... 49
5.2.2 Temperature Threshold ................................................................................... 50
5.2.3 Voltage Threshold ............................................................................................ 51
5.2.4 Bias Current Threshold..................................................................................... 52
5.2.5 Tx Power Threshold .......................................................................................... 53
5.2.6 Rx Power Threshold .......................................................................................... 53
5.2.7 DDM Status ....................................................................................................... 54
5.3 LAG............................................................................................................................... 55
5.3.1 LAG Table .......................................................................................................... 56
5.3.2 Static LAG ......................................................................................................... 57
5.3.3 LACP Config ..................................................................................................... 58
5.4 Traffic Monitor ............................................................................................................. 60
5.4.1 Traffic Summary ............................................................................................... 60
5.4.2 Traffic Statistics ................................................................................................ 61
5.5 MAC Address ............................................................................................................... 63
5.5.1 Address Table ................................................................................................... 63
5.5.2 Static Address .................................................................................................. 65
5.5.3 Dynamic Address ............................................................................................. 66
5.5.4 Filtering Address .............................................................................................. 68
Chapter 6 VLAN ............................................................................................................................ 70
6.1 802.1Q VLAN ............................................................................................................... 71
6.1.1 VLAN Config ..................................................................................................... 73
6.1.2 Port Config ........................................................................................................ 75
6.2 MAC VLAN ................................................................................................................... 77
6.2.1 MAC VLAN ........................................................................................................ 77
IV
6.2.2 Port Enable ........................................................................................................ 78
6.3 Protocol VLAN ............................................................................................................. 79
6.3.1 Protocol VLAN .................................................................................................. 80
6.3.2 Protocol Template ............................................................................................ 81
6.3.3 Port Enable ........................................................................................................ 82
6.4 Application Example for 802.1Q VLAN ....................................................................... 83
6.5 Application Example for MAC VLAN ........................................................................... 84
6.6 Application Example for Protocol VLAN ..................................................................... 86
6.7 VLAN VPN .................................................................................................................... 87
6.7.1 VPN Config ........................................................................................................ 88
6.7.2 VLAN Mapping .................................................................................................. 89
6.7.3 Port Enable ........................................................................................................ 90
6.8 Private VLAN ................................................................................................................ 91
6.8.1 PVLAN Config ................................................................................................... 96
6.8.2 Port Config ........................................................................................................ 97
6.9 GVRP ............................................................................................................................ 98
6.10 Application Example for Private VLAN...................................................................... 101
Chapter 7 Spanning Tree ........................................................................................................... 104
7.1 STP Config ................................................................................................................. 109
7.1.1 STP Config ...................................................................................................... 109
7.1.2 STP Summary .................................................................................................. 111
7.2 Port Config .................................................................................................................. 111
7.3 MSTP Instance ............................................................................................................ 113
7.3.1 Region Config .................................................................................................. 114
7.3.2 Instance Config................................................................................................ 114
7.3.3 Instance Port Config ........................................................................................ 116
7.4 STP Security ............................................................................................................... 117
7.4.1 Port Protect ..................................................................................................... 118
7.4.2 TC Protect ....................................................................................................... 120
7.5 Application Example for STP Function ..................................................................... 120
Chapter 8 Ethernet OAM ............................................................................................................ 125
8.1 Basic Config ............................................................................................................... 129
8.1.1 Basic Config .................................................................................................... 129
8.1.2 Discovery Info ................................................................................................. 130
V
8.2 Link Monitoring .......................................................................................................... 132
8.3 RFI .............................................................................................................................. 133
8.4 Remote Loopback ..................................................................................................... 134
8.5 Statistics .................................................................................................................... 135
8.5.1 Statistics ......................................................................................................... 135
8.5.2 Event Log ........................................................................................................ 137
8.6 DLDP .......................................................................................................................... 138
8.7 Application Example for DLDP .................................................................................. 142
Chapter 9 DHCP ......................................................................................................................... 144
9.1 DHCP Relay ................................................................................................................ 148
Chapter 10 Multicast .................................................................................................................... 153
10.1 IGMP Snooping .......................................................................................................... 157
10.1.1 Snooping Config ............................................................................................. 159
10.1.2 VLAN Config ................................................................................................... 159
10.1.3 Port Config ...................................................................................................... 161
10.1.4 IP-Range.......................................................................................................... 162
10.1.5 Multicast VLAN ............................................................................................... 163
10.1.6 Static Multicast IP ........................................................................................... 166
10.1.7 Packet Statistics ............................................................................................. 168
10.1.8 Querier Config ................................................................................................ 169
10.1.9 IGMP Authentication ....................................................................................... 171
10.2 MLD Snooping ........................................................................................................... 172
10.2.1 Global Config .................................................................................................. 173
10.2.2 VLAN Config ................................................................................................... 175
10.2.3 Filter Config .................................................................................................... 176
10.2.4 Port Config ...................................................................................................... 177
10.2.5 Static Multicast ............................................................................................... 178
10.2.6 Querier Config ................................................................................................ 179
10.2.7 Packet Statistics ............................................................................................. 180
10.3 Multicast Table .......................................................................................................... 182
10.3.1 IPv4 Multicast Table ....................................................................................... 182
10.3.2 IPv6 Multicast Table ....................................................................................... 183
Chapter 11 QoS ............................................................................................................................ 185
11.1 DiffServ ...................................................................................................................... 188
VI
11.1.1 Port Priority ..................................................................................................... 188
11.1.2 DSCP Priority .................................................................................................. 189
11.1.3 802.1P/CoS Mapping ..................................................................................... 191
11.1.4 Schedule Mode ............................................................................................... 192
11.2 Bandwidth Control ..................................................................................................... 193
11.2.1 Rate Limit ........................................................................................................ 193
11.2.2 Storm Control ................................................................................................. 194
11.3 Voice VLAN ................................................................................................................ 196
11.3.1 Global Config .................................................................................................. 198
11.3.2 Port Config ...................................................................................................... 199
11.3.3 OUI Config ....................................................................................................... 200
Chapter 12 ACL ............................................................................................................................ 202
12.1 Time-Range ............................................................................................................... 202
12.1.1 Time-Range Summary .................................................................................... 202
12.1.2 Time-Range Create ........................................................................................ 203
12.1.3 Holiday Config ................................................................................................ 204
12.2 ACL Config ................................................................................................................. 205
12.2.1 ACL Summary ................................................................................................. 205
12.2.2 ACL Create...................................................................................................... 205
12.2.3 MAC ACL ......................................................................................................... 206
12.2.4 Standard-IP ACL ............................................................................................. 207
12.2.5 Extend-IP ACL ................................................................................................. 208
12.2.6 Combined ACL ................................................................................................ 209
12.3 Policy Config ............................................................................................................... 211
12.3.1 Policy Summary ............................................................................................... 211
12.3.2 Policy Create ................................................................................................... 212
12.3.3 Action Create .................................................................................................. 212
12.4 Policy Binding ............................................................................................................ 214
12.4.1 Binding Table .................................................................................................. 214
12.4.2 Port Binding .................................................................................................... 214
12.4.3 VLAN Binding .................................................................................................. 215
12.5 Application Example for ACL .................................................................................... 216
Chapter 13 Network Security ...................................................................................................... 219
13.1 IP-MAC Binding .......................................................................................................... 219
VII
13.1.1 Binding Table .................................................................................................. 219
13.1.2 Manual Binding................................................................................................ 221
13.1.3 ARP Scanning ................................................................................................. 222
13.2 DHCP Snooping ......................................................................................................... 224
13.2.1 DHCP Snooping .............................................................................................. 227
13.2.2 Option 82 ........................................................................................................ 228
13.3 ARP Inspection .......................................................................................................... 229
13.3.1 ARP Detect ...................................................................................................... 233
13.3.2 ARP Defend ..................................................................................................... 234
13.3.3 ARP Statistics ................................................................................................. 235
13.4 IP Source Guard ......................................................................................................... 236
13.5 DoS Defend ............................................................................................................... 238
13.5.1 DoS Defend ..................................................................................................... 239
13.5.2 DoS Detect ..................................................................................................... 240
13.6 802.1X ........................................................................................................................ 241
13.6.1 Global Config .................................................................................................. 245
13.6.2 Port Config ...................................................................................................... 247
13.7 AAA ............................................................................................................................ 249
13.7.1 Global Config .................................................................................................. 250
13.7.2 Privilege Elevation .......................................................................................... 250
13.7.3 RADIUS Server Config .................................................................................... 251
13.7.4 TACACS+ Server Config ................................................................................ 251
13.7.5 Authentication Server Group Config ............................................................. 252
13.7.6 Authentication Method List Config ................................................................ 254
13.7.7 Application Authentication List Config .......................................................... 255
13.7.8 802.1X Authentication Server Config ............................................................ 256
13.7.9 Default Settings .............................................................................................. 257
13.8 PPPoE Config ............................................................................................................. 258
Chapter 14 SNMP ......................................................................................................................... 261
14.1 SNMP Config ............................................................................................................. 263
14.1.1 Global Config .................................................................................................. 263
14.1.2 SNMP View ...................................................................................................... 264
14.1.3 SNMP Group ................................................................................................... 265
14.1.4 SNMP User ...................................................................................................... 267
VIII
14.1.5 SNMP Community .......................................................................................... 268
14.2 Notification ................................................................................................................ 270
14.2.1 Notification Config .......................................................................................... 271
14.2.2 Traps Config ................................................................................................... 272
14.3 RMON ......................................................................................................................... 275
14.3.1 History Control ............................................................................................... 276
14.3.2 Event Config ................................................................................................... 277
14.3.3 Alarm Config ................................................................................................... 278
Chapter 15 LLDP .......................................................................................................................... 280
15.1 Basic Config ............................................................................................................... 284
15.1.1 Global Config .................................................................................................. 285
15.1.2 Port Config ...................................................................................................... 286
15.2 Device Info ................................................................................................................. 287
15.2.1 Local Info ........................................................................................................ 287
15.2.2 Neighbor Info .................................................................................................. 288
15.3 Device Statistics ........................................................................................................ 289
15.4 LLDP-MED ................................................................................................................. 290
15.4.1 Global Config .................................................................................................. 291
15.4.2 Port Config ...................................................................................................... 292
15.4.3 Local Info ........................................................................................................ 294
15.4.4 Neighbor Info .................................................................................................. 295
Chapter 16 Cluster ....................................................................................................................... 297
16.1 NDP ............................................................................................................................ 298
16.1.1 Neighbor Info .................................................................................................. 298
16.1.2 NDP Summary ................................................................................................. 299
16.1.3 NDP Config ..................................................................................................... 301
16.2 NTDP .......................................................................................................................... 302
16.2.1 Device Table ................................................................................................... 302
16.2.2 NTDP Summary .............................................................................................. 304
16.2.3 NTDP Config ................................................................................................... 305
16.3 Cluster ........................................................................................................................ 306
16.3.1 Cluster Summary ............................................................................................ 306
16.3.2 Cluster Config ................................................................................................. 309
16.3.3 Member Config ............................................................................................... 312
IX
16.3.4 Cluster Topology ............................................................................................ 312
Chapter 17 Maintenance.............................................................................................................. 315
17.1 System Monitor ......................................................................................................... 315
17.1.1 CPU Monitor .................................................................................................... 315
17.1.2 Memory Monitor ............................................................................................. 316
17.2 Log ............................................................................................................................. 317
17.2.1 Log Table ........................................................................................................ 318
17.2.2 Local Log ........................................................................................................ 319
17.2.3 Remote Log .................................................................................................... 320
17.2.4 Backup Log ..................................................................................................... 320
17.3 Device Diagnostics .................................................................................................... 321
17.4 Network Diagnostics ................................................................................................. 322
17.4.1 Ping ................................................................................................................. 322
17.4.2 Tracert............................................................................................................. 323
Chapter 18 System Maintenance via FTP ................................................................................... 324
Appendix A: Glossary .................................................................................................................. 327
X
Package Contents
The following items should be found in your box:
One T2500-28TC switch
One power cord
One console cable
Two mounting brackets and other fittings
Installation Guide
Resource CD for T2500-28TC switch, including:
• This User Guide
• The CLI Reference Guide
• SNMP Mibs
• 802.1X Client Software
• Other Helpful Information
Note:
Make sure that the package contains the above items. If any of the listed items are damaged or
missing, please contact your distributor.
1
Symbol
Description
Note:
device.
Tips:
of your device.
Chapter 1 About This Guide
This User Guide contains information for setup and management of T2500-28TC switch.
Please read this guide carefully before operation.
1.1 Intended Readers
This Guide is intended for network managers familiar with IT concepts and network
terminologies.
1.2 Conventions
When using this guide, please notice that features of the switch may vary slightly depending on
the model and software version you have, and on your location, language, and Internet service
provider. All screenshots, images, parameters and descriptions documented in this guide are
used for demonstration only.
The information in this document is subject to change without notice. Every effort has been
made in the preparation of this document to ensure accuracy of the contents, but all
statements, information, and recommendations in this document do not constitute the
warranty of any kind, express or implied. Users must take full responsibility for their application
of any products.
In this Guide the following conventions are used:
The switch or T2500-28TC mentioned in this Guide stands for T2500-28TC 24-Port
10/100Mbps + 4-Port Gigabit JetStream L2 Managed Switch without any explanation.
Menu Name→Submenu Name→Tab page indicates the menu structure. System→System
Info→System Summary means the System Summary page under the System Info menu
option that is located under the System menu.
Bold font indicates a button, a toolbar icon, menu or menu item.
Symbols in this Guide：
Ignoring this type of note might result in a malfunction or damage to the
This format indicates important information that helps you make better use
More Info:
The latest software, management app and utility can be found at Download Center at
http://www.tp-link.com/support.
2
Chapter
Introduction
Chapter 1 About This Guide
Introduces the guide structure and conventions.
Introduces the features, application and appearance of
T2500-28TC switch.
Web management
page.
This module is used to configure system properties of the
System Info: Configure the description, system time and
for users to log on to the Web management page with a
login to enhance the configuration management security.
MAC Address: Configure the address table of the switch.
The Installation Guide (IG) can be found where you find this guide or inside the package of
the switch.
Specifications can be found on the product page at http://www.tp-link.com.
A Technical Support Forum is provided for you to discuss our products at
http://forum.tp-link.com.
Our Technical Support contact information can be found at the Contact Technical Support
page at http://www.tp-link.com/support.
1.3 Overview of This Guide
Chapter 2 Introduction
Chapter 3 Login to the switch Introduces how to log on to T2500-28TC
Chapter 4 System
switch. Here mainly introduces:
network parameters of the switch.
User Management: Configure the user name and password
certain access level.
System Tools: Manage the configuration file of the switch.
Access Security: Provide different security measures for the
Chapter 5 Switching This module is used to configure basic functions of the switch.
Here mainly introduces:
Port: Configure the basic features for the port.
DDM: Configure the monitoring on the SFP port.
LAG: Configure Link Aggregation Group. LAG is to combine a
number of ports together to make a single high-bandwidth
data path.
Traffic Monitor: Monitor the traffic of each port
3
Chapter
Introduction
VLAN VPN: VLAN VPN allows the packets with VLAN tags of
private networks to be encapsulated with VLAN tags of
public networks at the network access terminal of the
ically add or
remove the VLANs via the dynamic VLAN registration
information and propagate the local VLAN registration
separation and to save VLAN resources of uplink devices.
STP Config: Configure and view the global settings of
devices from any malicious attack against STP features.
Enable the Ethernet OAM function, configure
Configure the parameters about OAM link
e remote loopback;
choose to ignore or to process the received remote
View the statistics about the detailed Ethernet
Configure the DLDP function to allow the switch to
whether a unidirectional link exists.
Chapter 6 VLAN This module is used to configure VLANs to control broadcast in
LANs. Here mainly introduces:
802.1Q VLAN: Configure port-based VLAN.
MAC VLAN: Configure MAC-based VLAN without changing
the 802.1Q VLAN configuration.
Protocol VLAN: Create VLANs in application layer to make
some special data transmitted in the specified VLAN.
Internet Service Provider.
GVRP: GVRP allows the switch to automat
information to other switches, without having to individually
configure each VLAN.
Private VLAN: Designed to save VLAN resources of uplink
devices and decrease broadcast. Private VLAN mainly used
in campus or enterprise networks to achieve user layer-2-
Chapter 7 Spanning Tree This module is used to configure spanning tree function of the
switch. Here mainly introduces:
spanning tree function.
Port Config: Configure CIST parameters of ports.
MSTP Instance: Configure MSTP instances.
STP Security: Configure protection function to prevent
Chapter 8 Ethernet OAM This module is used to configure Ethernet OAM function of the
switch. Here mainly introduces:
Basic Config:
its OAM mode, and check out the connection status.
Link Monitoring:
events and choose whether to notify the link event.
RFI: Choose whether to notify the link faults like dying gasp
and critical event.
Remote Loopback: Start or stop th
loopback request.
Statistics:
OAM traffic information and event log information
DLDP:
monitor the physical configuration of the cables and detect
4
Chapter
Introduction
DHCP Relay: Configure the DHCP relay feature.
This module is used to configure multicast function of the
IGMP Snooping: Configure global parameters of IGMP
MLD Snooping: Configure global parameters of MLD
Snooping function, port properties, VLAN and multicast
View the information of IPv4 and IPv6
multicast groups already on the switch.
ed to configure QoS function to provide
transmission priority of voice data stream and voice quality.
This module is used to configure match rules and process
policies of packets to filter packets in order to control the
Policy Binding: Bind the policy to a port/VLAN to take its
effect on a specific port/VLAN.
Chapter 9 DHCP This module is used to configure DHCP function of the switch.
The switch can work as DHCP relay, and here mainly introduces
DHCP relay function.
Chapter 10 Multicast
switch. Here mainly introduces:
Snooping function, port properties, VLAN and multicast
VLAN.
VLAN.
Multicast Table:
Chapter 11 QoS This module is us
different quality of service for various network applications and
requirements. Here mainly introduces:
DiffServ: Configure priorities, port priority, 802.1P priority and
DSCP priority.
Bandwidth Control: Configure rate limit feature to control the
traffic rate on each port; configure storm control feature to
filter broadcast, multicast and UL frame in the network.
Voice VLAN: Configure voice VLAN to transmit voice data
stream within the specified VLAN so as to ensure the
Chapter 12 ACL
access of the illegal users to the network. Here mainly
introduces:
Time-Range: Configure the effective time for ACL rules.
ACL Config: ACL rules.
Policy Config: Configure operation policies.
5
Chapter
Introduction
Chapter 13 Network Security
This module is used to configure the multiple protection
functions to monitor the
server, and record the IP address, MAC address, VLAN and
the connected Port number of the Host for automatic
802.1X: Configure common access control mechanism for
inly authentication and security
Configure the AAA function protect the device from
ID Insertion
function to support the authentication, authorization, and
accounting (AAA) access requests on an Ethernet interface.
management frame to monitor and maintain the network
Notification: Configure notification function for the
efficiently.
This module is used to configure LLDP function to provide
Device Info: View the LLDP information of the local device
statistics of the local
LLDP-MED: Configure the LLDP-MED features.
measures for the network security. Here mainly introduces:
IP-MAC Binding: Bind the IP address, MAC address, VLAN ID
and the connected Port number of the Host together.
DHCP Snooping: DHCP Snooping
process of the Host obtaining the IP address from DHCP
binding.
ARP Inspection: Configure ARP inspection feature to prevent
the network from ARP attacks.
IP Source Guard: Configure IP source guard feature to filter
IP packets in the LAN.
DoS Defend: Configure DoS defend feature to prevent DoS
attack.
LAN ports to solve ma
problems.
AAA:
unauthorized operations.
PPPoE Config: Configure the PPPoE Circuit-
Chapter 14 SNMP This module is used to configure SNMP function to provide a
devices. Here mainly introduces:
SNMP Config: Configure global settings of SNMP function.
Chapter 15 LLDP
management station to monitor and process the events.
RMON: Configure RMON function to monitor network more
information for SNMP applications to simplify troubleshooting.
Here mainly introduces:
Basic Config: Configure the LLDP parameters of the device.
and its neighbors.
Device Statistics: View the LLDP
device.
6
Chapter
Introduction
This module is used to configure cluster function to central
manage the scattered devices in the network. Here mainly
Cluster: Configure cluster function to establish and maintain
cluster.
Cable Test tests the connection status of the cable
om the switch to the
destination.
Maintenance via FTP
Introduces how to download firmware of the switch via FTP
function.
Appendix A Specifications
Lists the glossary used in this manual.
Appendix B Glossary
Lists the glossary used in this manual.
Chapter 16 Cluster
introduces:
NDP: Configure NDP function to get the information of the
directly connected neighbor devices.
NTDP: Configure NTDP function for the commander switch
to collect NDP information.
Chapter 17 Maintenance This module is used to assemble the commonly used system
tools to manage the switch. Here mainly introduces:
System Monitor: Monitor the memory and CPU of the switch.
Log: View configuration parameters on the switch.
Network Diagnostics: Including Cable Test and Loopback.
connected to the switch; and Loopback tests if the port of
the switch and the connected device are available.
Network Diagnostics: Test if the destination is reachable and
the account of router hops fr
Chapter 18 System
Return to CONTENTS
7
Name
Status
Indication
On
Power is on.
Flashing
Power supply is abnormal.
Off
Power is off or power supply is abnormal.
Chapter 2 Introduction
Thanks for choosing the T2500-28TC 24-Port 10/100Mbps + 4-Port Gigabit JetStream L2
Managed Switch!
2.1 Overview of the Switch
Designed for workgroups and departments, T2500-28TC 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.
The EIA-standardized framework and smart configuration capacity can provide flexible solutions
for a variable scale of networks. ACL, 802.1x, IP Source Guard and Dynamic ARP Inspection
provide robust security strategy. QoS and IGMP snooping/filtering optimize voice and video
application. Link aggregation (LACP) increases aggregated bandwidth, optimizing the transport
of business critical data. SNMP, RMON, WEB/CLI/Telnet Log-in bring abundant management
policies. T2500-28TC switch integrates multiple functions with excellent performance, and is
friendly to manage, which can fully meet the need of the users demanding higher networking
performance.
2.2 Appearance Description
2.2.1 Front Panel
Figure 2-1 Front Panel
The following parts are located on the front panel of the switch:
10/100Mbps RJ45 Ports: Designed to connect to a device with the bandwidth of 10Mbps or
100Mbps. Each has a corresponding 10/100M LED.
10/100/1000Mbps RJ45 Ports: Designed to connect to a device with the bandwidth of
10Mbps, 100Mbps or 1000Mbps. Each has a corresponding 1000M LED.
SFP Ports: Designed to install the SFP module. Port 25F–28F share the same LED with Port
25–28 respectively.
Console Port: Designed to connect with the serial port of a computer or terminal for
monitoring and configuring the switch.
LEDs
Power
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Name
Status
Indication
System
On
The switch is working abnormally.
Flashing
The switch is working normally.
Off
The switch is working abnormally.
A 100Mbps device is connected to the corresponding
port, but no activity.
A 10Mbps device is connected to the corresponding
port, but no activity.
Flashing
Data is being transmitted or received.
Off
No device is connected to the corresponding port.
A 1000Mbps device is connected to the
corresponding port, but no activity.
A 10/100Mbps device is connected to the
corresponding port, but no activity.
Flashing
Data is being transmitted or received.
Off
No device is connected to the corresponding port.
Green
On
10/100M
Yellow
Green
On
1000M
Yellow
2.2.2 Rear Panel
The rear panel of T2500-28TC features a power socket and a Grounding Terminal (marked
with
).
Figure 2-2 Rear Panel
Grounding Terminal: T2500-28TC 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. For detail information, please refer to Installation Guide.
AC Power Socket: Connect the female connector of the power cord here, and the male
connector to the AC power outlet. Please make sure the voltage of the power supply meets
the requirement of the input voltage (100-240V~ 50/60Hz 0.6A).
Return to CONTENTS
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Chapter 3 Login to the Switch
3.1 Login
1. To access the configuration utility, open a web-browser and type in the default address
http://192.168.0.1 in the address field of the browser, then press the Enter key.
Figure 3-1 Web-browser
Tips:
To log in to the switch, the IP address of your PC should be set in the same subnet addresses
of the switch. The IP address is 192.168.0.x ("x" is any number from 2 to 254), Subnet Mask is
255.255.255.0.
2. After a moment, a login window will appear, as shown in Figure 3-2. Enter admin for the User
Name and Password, both in lower case letters. Then click the Login button or press the
Enter key.
Figure 3-2 Login
3.2 Configuration
After a successful login, the main page will appear as Figure 3-3, and you can configure the
function by clicking the setup menu on the left side of the screen.
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Figure 3-3 Main Setup-Menu
Note:
Clicking Apply can only make the new configurations effective before the switch is rebooted. If
you want to keep the configurations effective even the switch is rebooted, please click Save
Config. You are suggested to click Save Config before cutting off the power or rebooting the
switch to avoid losing the new configurations.
Return to CONTENTS
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Indicates the 100Mbps port is at the speed of 100Mbps.
Chapter 4 System
The System module is mainly for system configuration of the switch, including four submenus:
System Info, User Management, System Tools and Access Security.
4.1 System Info
The System Info, mainly for basic properties configuration, can be implemented on System
Summary, Device Description, System Time, Daylight Saving Time, System IP and System
IPv6 pages.
4.1.1 System Summary
On this page you can view the port connection status and the system information.
The port status diagram shows the working status of 24 10/100Mbps RJ45 ports, 4
10/100/1000Mbps RJ45 ports and 4 SFP ports of the switch. Ports 1 to 24 are 10/100Mbps
ports. Ports 25-28 are 10/100/1000Mbps ports, and they are Combo ports with SFP ports
labeled 25F-28F.
Choose the menu System→System Info→System Summary to load the following page.
Figure 4-1 System Summary
Port Status
Indicates the 100Mbps port is not connected to a device.
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Indicates the 1000Mbps port is not connected to a device.
Indicates the 1000Mbps port is at the speed of 10Mbps or 100Mbps.
Indicates the SFP port is at the speed of 1000Mbps.
Port:
Displays the port number of the switch.
Type:
Displays the type of the port.
Rate:
Displays the maximum transmission rate of the port.
Status:
Displays the connection status of the port.
Indicates the 100Mbps port is at the speed of 10Mbps.
Indicates the 1000Mbps port is at the speed of 1000Mbps.
Indicates the SFP port is not connected to a device.
Indicates the SFP port is at the speed of 100Mbps.
When the cursor moves on the port, the detailed information of the port will be displayed.
Figure 4-2 Port Information
Port Info
Click a port to display the bandwidth utilization on this port. The actual rate divided by
theoretical maximum rate is the bandwidth utilization.
Figure 4-3 displays the bandwidth
utilization monitored every four seconds. Monitoring the bandwidth utilization on each port
facilitates you to monitor the network traffic and analyze the network abnormities.
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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.
Device Name:
Enter the name of the switch.
Device Location:
Enter the location of the switch.
System Contact:
Enter your contact information.
Figure 4-3 Bandwidth Utilization
Bandwidth Utilization
Rx:
Tx:
4.1.2 Device Description
On this page you can configure the description of the switch, including device name, device
location and system contact.
Choose the menu System→System Info→Device Description to load the following page.
Figure 4-4 Device Description
The following entries are displayed on this screen:
Device Description
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Current System Date:
Displays the current date and time of the switch.
Current Time Source:
Displays the current time source of the switch.
When this option is selected, you can set the date and time
manually.
Time from NTP
When this option is selected, you can configure the time zone
IP Address for the NTP Server. The switch will get
Enter the IP Address for
from NTP
server.
clock is
utilized.
4.1.3 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 UTC automatically if it has connected to an NTP
server or synchronize with PC’s clock as the system time.
Choose the menu System→System Info→System Time to load the following page.
Figure 4-5 System Time
The following entries are displayed on this screen:
Time Info
Time Config
Manual:
Get
Server:
and the
UTC automatically if it has connected to an NTP Server.
Time Zone: Select your local time.
Primary/Secondary NTP Server:
the NTP Server.
Update Rate: Specify the rate fetching time
Synchronize with
When this option is selected, the administrator PC’s
PC’S Clock:
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DST Status:
Enable or Disable DST.
Sunday in
First Sunday in
t Sunday in
t
Sunday in April, 03:00.
Note:
1. The system time will be restored to the default when the switch is restarted and you need to
reconfigure the system time of the switch.
2. When Get Time from NTP Server is selected and no time server is configured, the switch will
get time from the time server of the Internet if it has connected to the Internet.
4.1.4 Daylight Saving Time
Here you can configure the Daylight Saving Time of the switch.
Choose the menu System→System Info→Daylight Saving Time to load the following page.
Figure 4-6 Daylight Saving Time
The following entries are displayed on this screen:
DST Config
Predefined Mode: Select a predefined DST configuration:
USA: Second Sunday in March, 02:00 – First
November, 02:00.
Australia: First Sunday in October, 02:00 –
April, 03:00.
Europe: Last Sunday in March, 01:00 – Las
October, 01:00.
New Zealand: Last Sunday in September, 02:00 – Firs
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Specify the DST configuration in recurring mode. This
en Daylight
Start/End Time: Select starting time and ending time of
Daylight Saving Time.
Specify the DST configuration in Date mode. This
ght
Start/End Time: Select starting time and ending time of
Daylight Saving Time.
MAC Address:
Displays MAC Address of the switch.
Recurring Mode:
configuration is recurring in use:
Offset: Specify the time adding in minutes wh
Saving Time comes.
Date Mode:
configuration is one-off in use:
Offset: Specify the time adding in minutes when Dayli
Saving Time comes.
Note:
1. When the DST is disabled, the predefined mode, recurring mode and date mode cannot be
configured.
2. When the DST is enabled, the default daylight saving time is of Europe in predefined mode.
4.1.5 System IP
Each device in the network possesses a unique IP Address. You can log on to the Web
management page to operate the switch using this IP Address. The switch supports three
modes to obtain an IP address: Static IP, DHCP and BOOTP. The IP address obtained using a
new mode will replace the original IP address. On this page you can configure the system IP of
the switch.
Choose the menu System→System Info→System IP to load the following page.
Figure 4-7 System IP
The following entries are displayed on this screen:
IP Config
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When this option is selected, you should enter IP
When this option is selected, the switch will obtain
When this option is selected, the switch will obtain
network parameters from the BOOTP Server.
Enter the ID of management VLAN, the only VLAN through which
you can get access to the switch. By default VLAN1 owning all the
he Management VLAN and you can access the switch via
any port on the switch. However, if another VLAN is created and
set to be the Management VLAN, you may have to reconnect the
management station to a port that is a member of the
Management VLAN.
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.
IP Address Mode: Select the mode to obtain IP Address for the switch.
Static IP:
Address, Subnet Mask and Default Gateway manually.
DHCP:
network parameters from the DHCP Server.
BOOTP:
Management VLAN:
ports is t
IP Address:
Note:
1. 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.
2. The switch only possesses an IP address. The IP address configured will replace the
original IP address.
3. If the switch gets the IP address from DHCP server, you can see the configuration of the
switch in the DHCP server; if DHCP option is selected but no DHCP server exists in the
network, the switch will keep obtaining IP address from DHCP server until success.
4. If DHCP or BOOTP option is selected, the switch will get network parameters dynamically
from the Internet, which means that its IP address, subnet mask and default gateway
cannot be configured.
5. By default, the IP address is 192.168.0.1.
4.1.6 System IPv6
IPv6 (Internet Protocol version 6), also called IPng (IP next generation), was developed by the
IETF (Internet Engineering Task Force) as the successor to IPv4 (Internet Protocol version 4).
Compared with IPv4, IPv6 increases the IP address size from 32 bits to 128 bits; this solves the
IPv4 address exhaustion problem.
IPv6 features
IPv6 has the following features:
1. Adequate address space: The source and destination IPv6 addresses are both 128 bits
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(16 bytes) long. IPv6 can provide 3.4 x 10
of hierarchical address division as well as allocation of public and private addresses.
addresses to completely meet the requirements
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2. Header format simplification: IPv6 cuts down some IPv4 header fields or move them to
IPv6 extension headers to reduce the load of basic IPv6 headers, thus making IPv6 packet
handling simple and improving the forwarding efficiency. Although the IPv6 address size is
four times that of IPv4 addresses, the size of basic IPv6 headers is 40 bytes and is only
twice that of IPv4 headers (excluding the Options field).
3. Flexible extension headers: IPv6 cancels the Options field in IPv4 packets but introduces
multiple extension headers. In this way, IPv6 enhances the flexibility greatly to provide
scalability for IP while improving the handling efficiency. The Options field in IPv4 packets
contains 40 bytes at most, while the size of IPv6 extension headers is restricted by that of
IPv6 packets.
4. Built-in security: IPv6 uses IPSec as its standard extension header to provide end-to-end
security. This feature provides a standard for network security solutions and improves the
interoperability between different IPv6 applications.
5. Automatic address configuration: To simplify the host configuration, IPv6 supports
stateful and stateless address configuration.
Stateful address configuration means that a host acquires an IPv6 address and related
information from a server (for example, DHCP server).
Stateless address configuration means that a host automatically configures an IPv6
address and related information on basis of its own link-layer address and the prefix
information advertised by a router.
In addition, a host can generate a link-local address on basis of its own link-layer address
and the default prefix (FE80::/64) to communicate with other hosts on the link.
6. Enhanced neighbor discovery mechanism: The IPv6 neighbor discovery protocol is a
group of Internet control message protocol version 6 (ICMPv6) messages that manages
the information exchange between neighbor nodes on the same link. The group of ICMPv6
messages takes the place of Address Resolution Protocol (ARP) message, Internet Control
Message Protocol version 4 (ICMPv4) router discovery message, and ICMPv4 redirection
message to provide a series of other functions.
Introduction to IPv6 address
1. IPv6 address format
An IPv6 address is represented as a series of 16-bit hexadecimals, separated by colons (:).
An IPv6 address is divided into eight groups, and the 16 bits of each group are represented
by four hexadecimal numbers which are separated by colons, for example,
2001:0d02:0000:0000:0014: 0000:0000:0095. The hexadecimal letters in IPv6 addresses
are not case-sensitive.
To simplify the representation of IPv6 addresses, zeros in IPv6 addresses can be handled
as follows:
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