TP-Link tl-sl5428e manual

TL-SL5428E 24-Port 10/100Mbp s + 4-Port Gigabit JetS t ream L2 Managed Switch Rev: 1.2.0 1910010529[...]

I COPYRIGHT & TRADEMARKS S pecifications ar e subject to change without notice. is a registered trademark of TP-LINK TECHNOLOGIES CO., L TD. Other brands and product names are trademarks or registered trademarks of t heir respective holders. No part of the specificatio ns ma y be reproduced in any form or by any means or u sed to make any deriv[...]

II CONTENTS Package C ontent s ............................................................................................................... ........... 1 Chapter 1 About this G uide........................................................................................................... 2 1.1 Intended Re aders ..................................[...]

III 5.1.2 Port Mi rror ........................................................................................................ 31 5.1.3 Port Security .................................................................................................... 33 5.1.4 Port Isolation ..........................................................................[...]

IV 6.10 Application Example for Privat e VLAN ........................................................................ 82 Chapter 7 S panning T ree ............................................................................................................ 84 7.1 STP Config ...........................................................................[...]

V 9.3 V oice VLAN .............................................................................................................. 134 9.3.1 Global C onfi g ................................................................................................. 136 9.3.2 Port C onfig ..........................................................................[...]

VI 1 1.4.2 DoS Detect .................................................................................................... 175 11 . 5 802.1X ...................................................................................................................... 176 1 1.5.1 Global C onfi g ..............................................................[...]

VII 14.2.1 Log T abl e ....................................................................................................... 224 14.2.2 Local Log ....................................................................................................... 225 14.2.3 Remote Log ............................................................................[...]

1 Package Content s The following items should be found in your box: ¾ One TL-SL5428E Switch ¾ One power cord ¾ One console cable ¾ Two mounting brackets and other fittings ¾ Quick Installation Guide ¾ Resource CD for TL-SL5428E switch, including: • This User Guide • Other Helpful Information Note: Make sure that the package contains the [...]

2 Chapter 1 About this Guide This User Guide contains information for se tup and management of TL-SL5428E switch. Please read this guide carefully before operation. 1.1 Intended Readers This Guide is intended for network managers fam iliar with IT concepts and network terminologies. 1.2 Conventions In this Guide the following conventions are used: [...]

3 Chapter Introduction Chapter 4 System This module is used to c onfigure system properties of the switch. Here mainly introduces: z System Info: Configure the description, system time and network parameters of the switch. z User Manage: Configure the user name and password for users to log on to the W eb management page with a certain access level[...]

4 Chapter Introduction Chapter 8 Multicast This module is used to co nfigure multicast func tion of the switch. Here mainly introduces: z IGMP Snooping: Configure global parameters of IGMP Snooping function, port propertie s, VLAN and multicast VLAN. z Multicast IP: Configure multicast IP t able. z Multicast Filter: Configure multic ast filter feat[...]

5 Chapter Introduction Chapter 12 SNMP This module is used to configure SNMP function to provide a management frame to monitor and maintain the network devices. Here mainly introduces: z SNMP Config: Configure global settings of SNMP function. z Notification: Configure not ification function for the management station to monitor and process the eve[...]

6 Chapter 2 Introduction Thanks for choosing the TL-SL5428E 24-Port 10/ 100Mbps + 4-Port Gigabit L2 Manag ed Switch! 2.1 Overview of the Switch Designed for workgroups and department s, TL-S L5428E from TP-LINK provides wire-speed performance and full set of layer 2 management featur es. It provides a variet y of service features and multiple power[...]

7 + Supports T elnet, CLI, SNMP v1/v 2c/v3, RMON and web access. + Port Mirroring enables monitoring selected ingress/egress traffic. 2.3 Appearance Description 2.3.1 Front Panel Figure 2-1 Front Panel The following parts are lo cated on the front panel of the Switch: ¾ 10/100Mbp s Port s: Designed to connect to the device with a bandwidth of 10Mb[...]

8 2.3.2 Rear Panel The rear panel of TL-SL5428E features a power socket and a Gr ounding T erminal (marked with ). Figure 2-2 Rear Panel ¾ Grounding T erminal: TL-SL5428E already comes with Lightning Protection Mechanism. Y ou can also ground the Switch through the PE (Protecti ng Earth) cable of AC cord or with Ground Cable. For detail informatio[...]

9 Chapter 3 Login to the Switch 3.1 Login 1) T o access the configurat ion 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: T o log in to the Switch, the IP address of your PC should be set in the same subnet addresses of the[...]

10 Figure 3-3 Main Setup-Menu Note: Clicking Apply can only make the new conf igurati ons effective before the switch is rebooted. If you want to keep the configur ations effective even the switch is rebooted, please click Saving Config . Y ou are suggested to click Saving Config before cutting off the power or rebooting the switch to avoid losing [...]

11 Chapter 4 System The System module is mainly for system confi guration of the switch, including four submenus: System Info , User Manage, System T ools and Access Security . 4.1 System Info The System Info, mainly for basic proper ties configuration, can be implemented on System Summary , Device Description , Sy stem T ime and Sy stem IP pages. [...]

12 Indicates the 1000Mbps port is not connected to a device. Indicates the 1000Mbps port is at the speed of 1000Mbp s. Indicates the 1000Mbps port is at the speed of 10Mbp s or 100Mbps. Indicates the SFP port is not connected to a device. Indicates the SFP port is at the speed of 1000Mbps. Indicates the SFP port is at the speed of 100Mbps. When the[...]

13 Figure 4-3 Bandwid th Utilization ¾ Bandwidth Utilization Rx: Select Rx to display the bandwidth utilization of receiving p ackets on this port. Tx: Select Tx to display the bandwi dth utilization of sending p ackets on this port. 4.1.2 Device Description On this page you can configur e the descripti on of the switch, incl uding device nam e, d[...]

14 Device Location: Enter the location of the switch. System Cont act: Enter your contact information. 4.1.3 System Ti me System T ime is the time displayed while th e switch is running. O n this page you can configure the system time and the s ettings here will be used for other time-based functions l ike ACL. Y ou can ma nual ly se t the syste m [...]

15 Get GMT : When this option is selected, y ou can configure the time zone and the IP Address for the NTP Se rver . The switch will get GMT automatically if it has connected to a NTP Server . z T ime Zone: Select your local time. z Primary/Secondary NTP Server: Enter the IP Address for the NTP Server . Synchronize with PC’S Clock: When this opti[...]

16 IP Address Mode: Select the mode to obtain IP Address for the switch. z S tatic IP: When this option is selected, you should enter IP Address, Subnet Mask and Default Gateway manually . z DHCP: When this option is selected, the switch will obtain network parameters from the DHCP Server . z BOOTP: When this option is selected, the switch will obt[...]

17 Figure 4-7 User T able 4.2.2 User Config On this page you can configure the access level of the user to log on to the Web management page. The switch provides two access levels : Guest and Admin. The guest only can view the settings without the right to conf igure the switch; the admin can c onfigure all the functions of the s w i t c h . The W [...]

18 Password: T ype a password for users’ login. Confirm Password: Retype the password. ¾ User T able Select: Select the desired entry to delete the corresponding user information. It is multi-optional T he current user information can’t be deleted. User ID, Name, Access Level and st atus: Displays the current user ID, user name, access level a[...]

19 Note: 1. It will take a few minutes to restore the c onfiguration. Please wait without any operation. 2. T o avoid any damage, please don’t power down the switch while being restored. 3. After being restored, the current settings of the switch will be lost. Wrong uploaded configuration file may cause the switch unmanaged. 4.3.2 Config Backup O[...]

20 Figure 4-1 1 Firmware Upgrade Note: 1. Don’t interrupt the upgrade. 2. Please select the proper software version matching with your hardware to upgrade. 3. T o avoid damage, please don't turn off the device while upgrading. 4. After upgrading, the devic e will reboot automatically . 5. Y ou are suggested to backup t he configuration befor[...]

21 Figure 4-13 System Reset Note: After the system is reset, the sw itch will be reset to the default an d all the settings will be cleared. 4.4 Access Security Access Security provides different security m easures for the remote l ogin so as to enhance the configuration management secu rity. It can be implemented on Access Control , SSL Config and[...]

22 Figure 4-14 Access Control The following entries are displayed on this screen: ¾ Access Control Config Control Mode: Select the control mode for users to log on to the W eb management page. z IP-based: Select this option to lim it the IP-range of the users for login. z MAC-based: Select this option to limit the MAC Address of the users for logi[...]

23 Session Timeout: If you do nothing with the Web management page within the timeout time, the system will log out automatically . If you want to reconfigure, pl ease login again. ¾ Access User Number Number Control ； Select Enable/Disable the Number Control function. Admin Number: Enter the maximum number of t he users logging on to the Web ma[...]

24 Figure 4-15 SSL Config The following entries are displayed on this screen: ¾ Global Config SSL: Select Enable/Disable the SSL function on the switch. ¾ Certificate Download Certificate File: Select the desired certificate to download to the switch. The certificate must be BASE64 encoded. ¾ Key Download Key File: Select the desired SSL Key to [...]

25 an insecure network environment. It can encry pt all the transmission data and prevent the information in a remote management being leaked. Comprising server and client, SSH has two versi ons, V1 and V2 which are not compatible with each other . In the communication, SSH server and client can auto-negotia te the SSH version and the encryption al[...]

26 ¾ Key Download Key T ype: Select the type of SSH Key to download. The switch supports three types: SSH-1 RSA, SSH-2 RSA and SSH-2 DSA. Key File: Select the desired key file to download. Download: Click the Download button to down the desired key file to the switch. Note: 1. Please ensure the key length of the downloaded file is in the range of [...]

27 Application Example 2 for SSH: ¾ Network Requirements 1. Log on to the switch via password authentic ation using SSH and the SSH function is enabled on the switch. 2. PuTTY client sof tware is recommended. ¾ Configuration Procedure 1. Select the key type and key length, and generate SSH key . Note: 1. The key len gth is in the range of 256 to [...]

28 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 typ e should accord wit h the type of the key file. 2. The SSH key dow nloading can not be i nterrupted. 4. Download the private key f ile to SSH client software.[...]

29 5. After the public key and private key are downl oaded, please log on to the int erface of PuTTY and enter the IP address for login. After successful authentication, pl ease enter the login user name. If you log on to the switch without entering password, it indicates t hat the key has been successfully downloaded. Return to CONTENTS[...]

30 Chapter 5 Switching Switching module is used to conf igure the basic functi ons of the switch, in cluding four submenus: Port , LAG , T raffic Monitor and MAC Address . 5.1 Port The Port function, allowing you to configure the basic features fo r the port, is implemented on the Port Config , Port Mirror , Port Security and Port Isolation p ages.[...]

31 Description: Give a description to the port for identification. Statu s: Allows you to Enable/Dis able the port. When Enable is selected, the port can forward the packet s normally . Speed and Duplex: Select the S peed and Duplex mode for the port. The device connected to the switch s hould be in the same S peed and Duplex mode with the switch. [...]

32 Figure 5-2 Mirroring Port The following ent ries are displ ayed on this screen. ¾ Mirroring Port Mirroring Port: Select a port from the pull-down list as the mirroring port. When disable is selected, the Port Mirror feature will be disabled. ¾ Mirrored Port Port Select: Click the Select button to quick-select the corresponding port based on th[...]

33 Note: 1. The LAG member can not be selected as the mirrored port or mirroring port. 2. A port can not be set as the mirrored port and the mirroring por t simultaneously . 3. The Port Mirror function can take ef fect span the multiple VLANs. 5.1.3 Port Securit y MAC Address T able maintains the mapping relati onship between the port and the MAC a[...]

34 Select: Select the desired port for Port Security configuration. It is multi-optional. Port: Displays the port number . Max Learned MAC: S pecify the maximum number of MAC addresses that can be learned on the port. Learned Num: Displays the number of MAC addr esses that have been learned on the port. Learn Mode: Select the Learn Mode for the por[...]

35 Figure 5-4 Port Isolation Config The following ent ries are displ ayed on this screen: ¾ Port Isolation Config Port: Select the port number to set its forwardlist. Forward Portlist: Select the port that to be forwarded to. ¾ Port Isolation List Port: Display the port number . Forward Portlist: Display the forwardlist.[...]

36 5.2 LAG LAG (Link Aggregation Group) is to combine a number of ports together to make a single high-bandwidth data path, so as to implement the traffic load sharing among the member ports in the group and to enhance the connection reliability . For the member ports in an aggregation group, t heir basic configuration must be the same. The basic c[...]

37 Figure 5-5 LAG T able The following ent ries are displ ayed on this screen: ¾ Global Config Aggregate Arithmetic: Select the applied scope of Aggregate Arithmetic, which results in choosing a port to transfer the p ackets. • SRC MAC + DST MAC: When this option is selected, the Aggregate Arithmetic w ill apply to the source and destination MAC[...]

38 Figure 5-6 Det ail Information 5.2.2 St atic LAG On this page, you can manually c onfigure the LAG . The LACP feat ure is disabled for the member ports of the manually added S tatic LAG . Choose the menu Sw it chin g → LAG → St atic LAG to load the following page. Figure 5-7 Manually Config The following ent ries are displ ayed on this scree[...]

39 Description: Give a description to the LAG for identification. ¾ LAG T able Member Port: Select the p ort as the LAG member . Clearing all the ports o f the LAG will delete this LAG . Tips: 1. The LAG can be deleted by clearing its all member ports. 2. A port can only be added to a LAG . If a port is the member of a LAG or is dynamically aggreg[...]

40 Figure 5-8 LACP Config The following ent ries are displ ayed on this screen: ¾ Global Config LACP: Enable/Disable the LA CP feature here. ¾ LACP Config Port Select: Click the Select button to quick-select the corresponding port based on the port number you entered. Select: Select the desired port for LACP conf iguration. It is multi-optional. [...]

41 member . The port with smaller Port Priority will be considered as the preferred one. If the two port pr iorities are equal; the port with smaller port number is preferred. Statu s: Enable/Disable the LACP feat ure for your selected port. LAG: Displays the LAG number which the port belongs to. 5.3 T raffic Monitor The T raf fic Monitor function,[...]

42 Refresh Rate: Enter a value in seconds to specify the refresh interval. ¾ T raffic Summary Port Select: Click the Sele ct button to quick-select the corresponding port based on the port number you entered. Port: Displays the port number . Packets Rx: Displays the number of packet s received on the port. The erro r packet s are not counted in. P[...]

43 Auto Refresh: Allows you to Enable/Disable refreshing the Traf fic Summary automatically . Refresh Rate: Enter a value in seconds to specify the refresh interval. ¾ St atistics Port: Enter a port number and click the Select button to view the traffic statistics of the corresponding port. Received: Displays the det ails of the p ackets received [...]

44 updated by auto-learning. In the stable networks, th e static MAC address entries can facilitate the switch to reduce broadcast packets and enhance the efficiency of packets forwarding remarkably. The address filtering feature allo ws the switch to filter the undesired packets and forbid its forwarding so as to improve the network security. The [...]

45 Figure 5-1 1 Address T able The following ent ries are displ ayed on this screen: ¾ Search Option MAC Address: Enter the MAC address of your desired entry . VLAN ID: Enter the VLAN ID of your desired entry . Port: Select the corresponding port number of your desired entry . Ty p e : Select the type of your desired entry . z All: This option all[...]

46 MAC Address: Displays the MAC address learned by the switch. VLAN ID: Displays the correspondi ng VLAN ID of the MAC address. Port: Displays the corresponding Port number of the MAC address. Ty p e : Displays the T ype of the MAC addres s. Aging St atus: Displays the Aging status of the MAC address. 5.4.2 St atic Address The static address t abl[...]

47 Search Option: Select a Search Option from the pull-down list and click the Search button to find your desired entry in the S tatic Address T able. • MAC: Enter the MAC address of your desired entry . • VLAN ID: Enter the VLAN ID number of your desired entry . • Port: Enter the Port number of your desired entry . ¾ St atic Address T able [...]

48 Figure 5-13 Dynamic Address The following ent ries are displ ayed on this screen: ¾ Aging Config Auto Aging: Allows you to Enable/Disable t he Auto Aging feature. Aging Time: Enter the Aging T ime for the dynamic address. ¾ Search Option Search Option: Select a Search Option from the pull-down list and click the Search button to find your desi[...]

49 Select: Select the entry to delete the dy namic address or to bind the MAC address to the corresponding port statically . It is multi-optional. MAC Address: Displays the dynamic MAC Address. VLAN ID: Displays the correspondi ng VLAN ID of the MAC address. Port: Displays the corresponding por t number of the MAC address. Ty p e : Displays the T y[...]

50 The following ent ries are displ ayed on this screen: ¾ Create Filtering Address MAC Address: Enter the MAC Address to be filtered. VLAN ID: Enter the corresponding VLAN ID of the MAC address. ¾ Search Option Search Option: Select a Search Option from the pull-down list and click the Search button to find your desired entry in the Filtering Ad[...]

51 Chapter 6 VLAN The traditional Ethernet is a data network comm unication technology basi ng on CSMA/CD (Ca rrier Sense Multiple Access/Collision Detect) vi a shared communication medium. Through the traditional Ethernet, the overfull hosts in LAN will result in serious collis ion, flooding broadcasts, poor performance or even break down of the I[...]

52 different VLANs. The switch can analyze the received untagged p ackets on the port and match the packet s with the MAC VLAN, Protocol VLAN and 802. 1Q VLAN in turn. If a p acket is matched, the switch will add a corresponding VLAN tag to it and forward it in the corresponding VLAN. 6.1 802.1Q VLAN VLAN tags in the packet s are necessary for the [...]

53 （ 2 ） TRUNK: The TRUNK port can be added in multiple VL ANs, and the egress rule of the port is T AG . The TRUNK port is generally used to connect the cascaded network devices for it can receive and forward the packets of multiple VLANs. When the p ackets are forwarded by the TRUNK port, it s VLAN tag will n ot be changed. （ 3 ） GENERAL:[...]

54 Figure 6-3 VLAN T able T o ensure the normal communication of the factory sw itch, the default VLAN of all ports is set to VLAN1. The Web Management Page of switch can only be accessed through the ports in VLAN1. VLAN1 can not be modified or deleted. The following ent ries are displ ayed on this screen: ¾ VLAN T able VLAN ID Select ： Click th[...]

55 Figure 6-4 Create or Modify 802.1Q VLAN The following ent ries are displ ayed on this screen: ¾ VLAN Config VLAN ID: Enter the ID number of VLAN. Description: Give a description to the VLAN for identification. Check: Click the Check button to check whether the VLAN ID you entered is valid or not. ¾ VLAN Members Port Select: Click the Select bu[...]

56 Egress Rule: Select the Egress Rule for the VLAN port member . The defa ult egress rule is UNT AG . • T AG: All packe ts forwarded by the port are tagged. The packet s contain VLAN information. • UNT AG: Packets forwarded by the port LAG: Displays the LAG to which the port belongs. 6.1.2 Port Config Before creating the 802.1Q VLAN, please ac[...]

57 Link T ype: Select the Link T ype from t he pull-down list for the port. • ACCESS: The ACCESS port c an be added in a single VLAN, and the egress rule of the port is UNT AG . The PVID is same as the current VLAN ID. If t he current VLAN is deleted, the PVID will be set to 1 by default. • TRUNK: The TRUNK port c an be added in multiple VLANs,[...]

58 the description for the VLAN. Meanwhile, specify its member ports. 3 Modify/View VLAN. Optional. On the VLAN → 802.1Q VLAN → VLAN Config pa ge, click the Edit/Det ail button to modify/view the information of the corresponding VLAN. 4 Delete VLAN Optional. On the VLAN → 802.1Q VLAN → VLAN Config page , select the desired entry to del ete [...]

59 ¾ VLAN T able MAC Address: Enter the MAC address. Description: Give a description to the MA C addres s for identification. VLAN ID: Enter the ID number of the MAC VLAN. This VLAN should be one of the 802.1Q VLANs the ingress port belongs to. ¾ MAC VLAN T able MAC Select: Click the Select button to quick-select the corresponding entry based on [...]

60 the description for the VLAN. Meanwhile, specify its member ports. 3 Create MAC VLAN. Required. On the VLAN → MAC VLAN page, create the MAC VLAN. For the device in a MAC VLAN, it’s required to set it s connected port of switch to be a me mber of this VLAN so as to ensure the normal communication. 4 Select your desired ports for MAC VLAN feat[...]

61 6.3.1 Protocol VLAN On this page, you can create Protocol VLAN and view the information of the current defined Protocol VLANs. Choose the menu VLAN → Protocol VLAN → Protocol VLAN to load the following page. Figure 6-9 Create Protocol VLAN The following ent ries are displ ayed on this screen: ¾ Create Protocol VLAN Protocol: Select the defi[...]

62 Figure 6-10 Create and View Protocol T emplate The following ent ries are displ ayed on this screen: ¾ Create Protocol T emplate Protocol Name: Give a name for the Protocol T emplate. Ether T ype: Enter the Ethernet protocol type field in the protocol template. ¾ Protocol T emplate T able Select: Select the desired entry . It is multi-optional[...]

63 Configuration Procedure: Ste p Operation Description 1 Set the link type for port. Required. On the VLAN → 802.1Q VLAN → Port Config page, set the link type fo r the port basing on its connected device. 2 Create VLA N. Required. On the VLAN → 802.1Q VLAN → VLAN Config page, click the Create button to create a VLAN. Enter the VLAN ID and [...]

64 ¾ Configuration Procedure z Configure Switch A Ste p Operation Description 1 Configure the Link T ype of the ports Required. On VLAN → 802.1Q VLAN → Port Config page, configure the link type of Port 2, Port 3 and Port 4 as ACCESS, TRUNK and ACCESS respectively 2 Create VLAN10 Required. On VLAN → 802.1Q VLAN → VLAN Config page, create a [...]

65 z Notebook A and Notebook B, spec ial for meeting r oom, are of two different department s; z The two departments are in VLAN10 and VLAN20 respectively . The two notebooks can just access the server of their own departments, that is, Server A and Server B, in the two meeting rooms; z The MAC address of Notebook A i s 00-19-56 -8A-4C-71, Notebook[...]

66 z Configure Switch B Ste p Operation Description 1 Configure the Link T ype of the ports Required. On VLAN → 802.1Q VLAN → Port Config page, configure the link type of Port 21 and Port 22 as GENERAL and TRUNK respectively . 2 Create VLAN10 Required. On VLAN → 802.1Q VLAN → VLAN Config page, create a VLAN with its VLANID as 10, owning Por[...]

67 ¾ Configuration Procedure z Configure Switch A Ste p Operation Description 1 Configure the Link T ype of the ports Required. On VLAN → 802.1Q VLAN → Port Config page, configure the link type of Port 1 1 and Port 13 as ACCESS, and configure the link type of Port 12 as GENERAL. 2 Create VLAN10 Required. On VLAN → 802.1Q VLAN → VLAN Config[...]

68 5 Port Enable Required. On the VLAN → Protocol VLAN → Port Enable page, select and enable Port 3, Port 4 and Port 5 for Protocol VLAN feature. 6 Create Protocol VLAN 10 On VLAN → Protocol VLAN → Protocol VLAN page, create protocol VLAN 10 with Protocol as IP . 7 Create Protocol VLAN 20 On VLAN → Protocol VLAN → Protocol VLAN page, cr[...]

69 This VLAN VPN function is implemented on the VPN Config , VLAN Mapping and Port Enable pages. 6.7.1 VPN Config This page allows you to enable the VPN function, adjust the global TPID for VLAN-VPN packets and enable the VPN up-link port. When VPN mode is enabled, the switch will add a tag to the received tagged packet basing on the VLAN mapping e[...]

70 Figure 6-13 Create VLAN Mapping Entry The following ent ries are displ ayed on this screen: ¾ VLAN Mapping Config C VLAN: Enter the ID number of the Custom er VLAN. C VLAN refers to the VLAN to which the packet received by switch belongs. SP VLAN: Enter the ID number of the Service Provider VLAN. Description: Give a description to the VLAN Mapp[...]

71 Figure 6-14 Enable VLAN Mapping for Port Select your desired port for VLAN Mapping function. All the ports are disabled for VLAN Mapping function by default. Note: When VPN mode is globally enabled, VPN function takes ef fect on all ports. If VPN mode is disabled, VLAN Mapping functi on can be enabled by selecting your desired port on this Port [...]

72 3 Create SP (Service Provider) VLAN Optional. On the VLAN → 802.1Q VLAN page, create the SP VLAN. For the step s of creating VLAN, please refer to 802.1Q VLAN . 6.8 GVRP GVRP (GARP VLAN Registration Protocol) is an implementation of GA RP (generic attribute registration protocol). GVRP allo ws the switch to automatically add or remove the VLAN[...]

73 • LeaveAll Timer: Once a GARP entity starts up, it st arts the LeaveAll time r, and sends out a LeaveALL message after the timer times out, so t hat other GARP entitie s can re-register all the attribute information on this entity. After that, the entity re starts the LeaveAll timer to begin a new cycle. ¾ GVRP GVRP, as an implementation of G[...]

74 Figure 6-15 GVRP Config Note: If the GVRP feature is enabled for a member port of LAG , please ensure all the member ports of this LAG are set to be in the same status and registration mode. The following ent ries are displ ayed on this screen: ¾ Global Config GVRP: Allows you to Enable/Disabl e the GVRP function. ¾ Port Config Port Select: Cl[...]

75 • Fixed: In this mode, a port cannot register/deregister a VLAN dynamically . It only propagates static VLAN information. • Forbidden: In this mode, a port cannot register/deregister VLANs. It only propagates VLAN 1 information. LeaveAll Timer: Once the LeaveAll T imer is set, the port with GVRP enabled can send a LeaveAll message after the [...]

76 devices need to identify Primary VLANs but not Secondary VLANs. Therefore, they can save VLAN resources without consider ing the VLAN configuration in the lower layer . Meanwh ile, the service provider can assign each user an individual Secondary VLAN, so that users are separated at the Layer 2 level. Private VLAN technology is mainly used in ca[...]

77 ports is untag by default, that is, only thos e untagged p ackets can be forwarded, but you can modify the egress rule on VLAN → 802.1Q VLAN → VLAN Config page. 2) Port configuration and MAC addr ess duplication should be sync hronized on the Switch. Port configuration synchronization is completed in the whole configuration progress and MAC [...]

78 z MAC address duplication: After port configuration synchronizat ion, packets from Secondary VLAN can be forwarded via the p romiscuous port untagged, and those from Primary VLAN can be sent via the host port untagged. In order for these packet s can be forwarded in unicast via the right port, MAC address duplication is used to expand the VLANs [...]

79 The Private VLAN packet forwarding process (here we take traffic transmission for PC2) based on the figure above is illu strated as follows: 1) PC2 sends out it s first up stream pa cke t with the source MAC as mac_2 and the destination MAC as mac_a. This p acket is untagged. 2) When the host port Port2 on the Switch receiv es this packet, it ad[...]

80 Figure 6-17 Create Private VLAN The following ent ries are displ ayed on this screen: ¾ Create Private VLAN Primary VLAN: Enter the ID number of the Primary VLAN. Secondary VLAN: Enter the ID number of the Secondary VLAN. ¾ Search Option Search Option: Select a Search Option from the pull-down list and click the Search button to find your desi[...]

81 Choose the menu VLAN → Private VLAN → Port Config to load the following page. Figure 6-18 Create and View Protocol T emplate The following ent ries are displ ayed on this screen: ¾ Port Config Port: Select the desired port fo r configuration. Port T ype: Select the Port T ype from the pull-down list for the port. Primary VLAN: S pecify the [...]

82 4 Delete VLAN. Optional. On the VLAN → Private VLAN → PVLAN page, select the desired entry to delete the correspondi ng VLAN by clicking the Delete button. 6.10 Application Example for Private VLAN ¾ Network Requirements z Switch A is connecting to Switch B, Sw itch B is connecting to Switch C; z Switch B is connecting to PC1, PC2 and PC3; [...]

83 button. 2 Add Promiscuous port to Private VLANs Required. On the VLAN → Private VLAN → Port Configure page, configure the port type of Port3 and Port4 as Promiscuous , enter Primary VLAN 6 and Secondary VLAN 2-3, and click the Add button. 3 Add Host port to Private VLANs Required. On the VLAN → Private VLAN → Port Configure page, configu[...]

84 Chapter 7 S p anning T r ee STP (S panning T r ee Protocol), su bject to IEEE 802.1 D standard, is to disbra nch a ring network in the Data Link layer in a local netwo rk. Devices running STP discover loops in the network and block ports by exchanging inf ormation, in that way , a ring net work can be disbranch ed to form a tree-topologi cal rin[...]

85 z Port: Port 3 is the root port of switch B and port 5 is the root port of switch C; port 1 is the designated port of switch A and por t 4 is the designated port of swit ch B; port 6 is the blocked port of switch C. Figure 7-1 Basic STP diagram ¾ STP T imers Hello T ime: Hello T ime ranges from 1 to 10 seconds. It specifie s the interval to sen[...]

86 ¾ STP Generation z In the beginning In the beginning, each switch regards itself as the root, and generates a configuration BPDU for each port on it as a root, with the root path cost being 0, the ID of the designated bridge being that of the switch, and the designated port being itself. z Comparing BPDUs Each switch sends out configur ation BP[...]

87 Tips ： In a STP with stable top ology , only the root port and designated port can forwa rd data, and the other ports are blocked. The blo cked ports only can receive BPDUs. RSTP (R apid S p ann ing T ree P ro toco l), evo lve d fr om the 802 .1D STP stan dard, enable Ethernet ports to transit their states rapidl y . The premises for the port [...]

88 Figure 7-2 Basic MSTP diagram ¾ MSTP MSTP divides a network into several MST r egions. The CST is generat ed between these MST regions, and multiple spanning trees can be generated in each MST region. Each spanning tress is called an instance. As well as STP , MSTP uses BPDUs to generate spanning tree. The only difference is that the BPD U for [...]

89 Figure 7-3 Port roles The S panning T ree module is mainly for spanning tree configuration of the switch, including four submenus: STP Config , Port Config , MSTP Instance and STP Security . 7.1 STP Config The STP Config function, for global configuration of spanning trees on the switch, can be implemented on STP Config and STP Summary pages. 7.[...]

90 Figure 7-4 STP Config The following entries are displayed on this screen: ¾ Global Config STP: Select Enable/Disable STP f unction globally on the switch. V ersion: Select the desired STP version on the switch. z STP: S panning Tree Protocol. z RSTP: Rapid S panning T ree Protocol. z MSTP: Multiple S panning T ree Protocol. ¾ Parameters Config[...]

91 that occur in a specific region before the BPDU is discarded. The default value is 20 hops. Note: 1. The forward delay parameter and the network dia meter are correlated. A too small forwar d delay parameter may result in temporary loops. A too large forward delay may cau se a network unable to resume the normal state in time. The default value [...]

92 Figure 7-5 STP Summary 7.2 Port Config On this page you can c onfigure the parameters of t he ports for CIST Choose the menu Sp anning T ree → Port Config to load the following page.[...]

93 Figure 7-6 Port Config The following entries are displayed on this screen: ¾ Port Config Port Select: Click the Select button to quick-select the corresponding port bas ed on the port number you entered. Select: Select the desired port for STP conf iguration. It is multi-optional. Port: Displays the port number of the switch. Statu s: Select En[...]

94 Port Role: Displays the role of the port played in the STP Insta nce. z Root Port: Indicates the port that has the lowest p ath cost from this bridge to the Root Bridge and forwards packets to the root. z Designated Port: Indicates the port that forwards packet s to a downstream network segment or switch. z Master Port: Indicates the port that c[...]

95 Figure 7-7 Region Config The following entries are displayed on this screen: ¾ Region Config Region Name: Create a name for MST region identif ication using up to 32 characters. Revision: Enter the revision from 0 to 6553 5 for MST region identification. 7.3.2 Instance Config Instance Configuration, a property of MST regi on, is used to describ[...]

96 The following entries are displayed on this screen: ¾ Inst ance T able Inst ance ID Select: Click the Select button to quick-se lect the corresponding Instance ID based on the ID number you entered. Select: Select the desired Instance ID for c onfiguration. It is multi-optional. Inst ance: Displays Instance ID of the switch. Statu s: Select Ena[...]

97 Figure 7-9 Instance Port Config The following entries are displayed on this screen: ¾ Port Config Inst ance ID: Select the desired instance ID for its po rt configuration. Port Select: Click the Select button to quick-select the corresponding port bas ed on the port number you entered. Select: Select the desired port to specify its priority and[...]

98 Note: The port status of one port in dif ferent spanning tree instances can be dif ferent. Global configuration Procedure for S panning T ree function: Ste p Operation Description 1 Make clear roles the switches play in spanning tree instances: root bridge or designated bridge Preparation. 2 Globally configure MSTP parameters Required. Enable S [...]

99 A CIST and its secondary root bridges are usually located in the high-bandwidth core region. Wrong configuration or malicious attacks may resu lt in configuration BPD U p ackets with higher priorities being received by the legal root bridge, which causes the cu rrent legal root bridge to lose its position and network topology jitter to occur . I[...]

100 Figure 7-10 Port Protect The following entries are displayed on this screen: ¾ Port Protect Port Select: Click the Select button to quick-select the corresponding port bas ed on the port number you entered. Select: Select the desired port for port protect configuration. It is multi-optional. Port: Displays the port number of the switch. Loop P[...]

101 7.4.2 TC Protect When TC Protect is enabled for the port on Port Protect page, the TC threshold and TC protect cycle need to be configured on this page. Choose the menu Sp anning T ree → STP Security → TC Protect to load the following p age. Figure 7-1 1 TC Protect The following entries are displayed on this screen: ¾ TC Protect TC Thresho[...]

102 7.5 Application Example for STP Function ¾ Network Requirements z Switch A, B, C, D and E all support MSTP function. z A is the central switch. z B and C are switches in the convergence layer . D, E and F are switches in the access layer . z There are 6 VLANs labeled as VLAN101-VLAN106 in the network. z All switches run MSTP an d bel ong to th[...]

103 z Configure Switch B: Ste p Operation Description 1 Configure ports On VLAN → 802.1Q VLAN page, configure the link type of the related ports as T runk, and add t he ports to VLAN 101 and VLAN 106. The detailed instructions can be found in the section 802.1Q VLAN . 2 Enable STP function On Sp anning T ree → STP Config → STP Config page, en[...]

104 z Configure Switch D: Ste p Operation Description 1 Configure ports On VLAN → 802.1Q VLAN page, configure the link type of the related ports as T runk, and add t he ports to VLAN 101 and VLAN 106. The detailed instructions can be found in the section 802.1Q VLAN . 2 Enable STP function On Sp anning T ree → STP Config → STP Config page, en[...]

105 ¾ Suggestion for Configuration z Enable TC Protect functio n for all the ports of switches. z Enable Root Protect function for a ll the ports of root bridges. z Enable Loop Protect function for the non-edge ports. Enable BPDU Protect function or BPDU Filter func tion for the edge ports which are connected to the PC and server . Return to CONTE[...]

106 Chapter 8 Multicast ¾ Multicast Overview In the network, packet s are sent in three modes: unicast, broadcas t and multicast. In unicast, the source server sends separate copy information to each receiver . When a large numbe r of users require this information, the serv er must send many pieces of info rmation with the same content to the use[...]

107 1. Multicast IP Address: As specified by IANA (Internet Assigned Numbe rs Authority), Class D IP addresses are used as destination addresses of multic ast packets. The multicast IP addresses range from 224.0.0.0~239.255.255.255. The following table displays the range and description of several special multicast IP addresses. Multicast IP addres[...]

108 ¾ IGMP Snooping In the network, the hosts apply to the near Router for joining (leaving) a multicast group by sending IGMP (Internet Group Management Protocol) me ssages. When the up-str eam device forwards down the multicast data, the switch is responsible for sending them to the host s. IG MP S no op ing is a multicast contr ol mechanism, wh[...]

109 The host, running IGMPv1, does not send IGMP l eave message when leaving a multicast group, as a result, the switch can not get the leave information of the host momentarily . However , after leaving the multicast group, the host does not send IGMP report message any more, so the switch will remove the port from the corresponding multicast addr[...]

11 0 Figure 8-4 Basic Config The following entries are displayed on this screen: ¾ Global Config IGMP Snooping: Select Enable/Disable IGMP S nooping function globally on the Switch. Unknown Multicast: Select the operation for the swit ch to process unknown multicast, Forward or Discard. ¾ IGMP Snooping S t atus Description: Displays IGMP Snooping[...]

111 Figure 8-5 Port Config The following entries are displayed on this screen: ¾ Port Config Port Select: Click the Select button to quick-select the corresponding port based on the port number you entered. Select: Select the desired port for IGMP Snooping feature configuration. It is multi-optional. Port: Displays the port of the Switch. IGMP Sno[...]

11 2 Choose the menu Multicast → IGMP Snooping → VLAN Config to load the follo wing p age. Figure 8-6 VLAN Config The following entries are displayed on this screen: ¾ VLAN Config VLAN ID: Enter the VLAN ID to e nable IGMP Snooping for the desired VLAN. Router Port Time: S pecify the aging time o f the router port. Within this time, if the swi[...]

11 3 Select: Select the desired VLAN ID for configuration. It is multi-optional. VLAN ID: Displays the VLAN ID. Router Port Time: Displays the router port time of the VL AN. Member Port T ime: Displays the member port time of the VLAN. Leave Time: Displays the leave time of the VLAN. Router Port: Displays the router port of the VLAN. Note: The sett[...]

11 4 Figure 8-7 Multicast VLAN The following entries are displayed on this screen: ¾ Multicast VLAN Multicast VLAN: Select Enable/Disable Multicast VLAN feature. VLAN ID: Enter the VLAN ID of the multicas t VLAN. Router Port Time: S pecify the aging time o f the router port. Within this time, if the switch doesn’t receive IGMP query message from[...]

11 5 5. After a multicast VLAN is created, all the IGMP p ackets will be processed only within the multicast VLAN. Configuration procedure: Ste p Operation Description 1 Enable IGMP Snooping function Required. Enable IGMP Snooping globally on the switch and for the port on Multicast → IGMP Snooping → Snooping Config and Port Config p age . 2 Cr[...]

11 6 ¾ Configuration Procedure Ste p Operation Description 1 Create VLANs Create three VLANs with the VLAN ID 3, 4 and 5 respectively , and specify the description of VL AN3 as Multicast VLAN on VLAN → 802.1Q VLAN page. 2 Configure ports On VLAN → 802.1Q VLAN function pages. For port 3, configure its link type as GENERAL and its egress rule as[...]

11 7 8.3.1 Multicast IP T able On this page you can view the multicast IP table on the switch. Choose the menu Multicast → Multicast IP → Multicast IP T able to load the following page. Figure 8-8 Multicast IP T able The following entries are displayed on this screen: ¾ Search Option Multicast IP: Enter the multicast IP address the desired ent[...]

11 8 Choose the menu Multicast → Multicast IP → St atic Multicast IP to load the following page. Figure 8-9 S tatic Multicast IP T able The following entries are displayed on this screen: ¾ Create St ati c Multicast Multicast IP: Enter static multicast IP address. VLAN ID: Enter the VLAN ID of the multicas t IP . Forward Port: Enter the forwar[...]

11 9 8.4 Multicast Filter When IGMP Snooping is enabled, you can specified the multicast IP-range the ports can join so as to restrict users ordering multicast programs via configuring multicast filter rules. When applying for a multicast group, the host will send IGMP report message. After receiving the report message, the switch will firstly chec[...]

120 St art Multicast IP: Displays start multicas t IP of the IP-range. End Multicast IP: Displays end multicast IP of the IP-range. 8.4.2 Port Filter On this page you can configure t he multicast filter rules for port. T ake the configuration on this page and the configuration on IP-R ange page together to fu nction to implement multicast filter fu[...]

121 Action Mode: Select the action mode to process multicast pa ckets when the multicast IP is in the filtering IP-range. z Permit: Only the multicast packet s whose multicast IP is in the IP-range will be processed. z Deny: Only the multicast packets whose multicast IP is not in the IP-range will be processed. Bound IP-Range (ID): Enter the IP-ran[...]

122 Figure 8-12 Packet S tatistics The following entries are displayed on this screen: ¾ Auto Refresh Auto Refresh: Select Enable/Disable auto refresh feature. Refresh Period: Enter the time from 3 to 300 in seconds to specif y the auto refresh period. ¾ IGMP S t atistics Port Select: Click the Select button to quick-select the corresponding port[...]

123 Chapter 9 QoS QoS (Quality of Service) functi ons to provide different quality of service for various network applications and requirements and optim ize the bandwidth resource dist ribution so as to provide a network service experience of a better quality . ¾ QoS This switch classifies the ingr ess packets, map s the packe ts to dif ferent pr[...]

124 Figure 9-2 802.1Q frame As shown in the figure above, each 802.1Q T ag ha s a Pri field, comprising 3 bits. The 3-bit priority field is 802.1p priority in the range of 0 to 7. 802.1P priority determi nes the priority of the packets based on the Pri value. On the Web management page of the switch, you can configure dif ferent priority tags mappi[...]

125 Figure 9-4 SP-Mode 2. WRR-Mode: Weight Round Robin Mode. In this mode, pa ckets in all the queues are sent in order based on the weight value for each queue and every queue can be assured of a certain service time. The weight value indicates the occupied proportion of the resource. WRR queue overcomes the disadvantage of SP queue that the packe[...]

126 The QoS module is mainly for traffic control and priority configuration, including three submenus: DiffServ , Bandwidth Control and V oice VLAN . 9.1 DiffServ This switch classifies the ingr ess packets, map s the packe ts to dif ferent priority queues and then fo rwa rd s t he pac ke ts ac co rdi ng to sp eci f ied scheduling algorit hms to im[...]

127 Note: T o complete QoS function confi guration, you have to go to the Schedule Mode page to select a schedule mode after the configur ation is finishe d on this page. Configuration Procedure: Ste p Operation Description 1 Log on to the Port Priority page 2 Select the desired ports for configuration Select the desired ports. It is multi-optional[...]

128 SP+WRR-Mode: S trict-Priority + Weight Round R obin Mode. In this mode, this switch provides two scheduling groups, SP group and WRR group. Queues in SP group and WRR group are scheduled strictly based on strict-priority mode while the queu es inside WRR group follow the WRR mode. In SP+WRR mode, TC3 is in the SP group; TC0, TC1 and TC2 belong [...]

129 Note: T o complete QoS function confi guration, you have to go to the Schedule Mode page to select a schedule mode after the configur ation is finishe d on this page. Configuration Procedure: Ste p Operation Description 1 Log on to the 8 02.1P Priority page 2 Enable 8 02.1P priority function Required. By default, the 802. 1P priority function i[...]

130 Figure 9-9 DSCP Priority The following entries are displayed on this screen: ¾ DSCP Priority Config DSCP Priority: Select Enable or Disable DSCP Priority . ¾ Priority Level DSCP: Indicates the priority determined by the DS region of IP datagram. It ranges from 0 to 63. Priority Level: Indicates the priority level the packet s with tag are map[...]

131 3 Map the DSCP priority to the priority level Required. Select DSCP priority and the corresponding priority level. 4 Select a schedule mode Required. Log on to the Schedule Mode page to select a schedule mode. 9.2 Bandwid th Control Bandwidth function, allowing you to control the traffic rate an d broadcast flow on each port to ensure network i[...]

132 Port: Displays the port number of the Switch. Ingress Rate (bps ): Configure the bandwidth for receiving packets on the port. Y ou can select a rate from the dropdown list or select "Manual" to set Ingress rate, the system will automatically select integral multiple of 64Kbps that closest to the rate you entered as the real Ingress ra[...]

133 Figure 9-1 1 S torm Control The following entries are displayed on this screen: ¾ Storm Control Config Port Select: Click the Select button to quick-select the corresponding port based on the port number you entered. Select: Select the desired port for S tor m Control conf iguration. It is multi-optional. Port: Displays the port number of the [...]

134 9.3 V oice VLAN V oice VLANs are configured spec ially for voice data stream. By configuring V oice VLANs and adding the ports with voice devices attached to voice VLANs, you can perform QoS-related configuration for voice data, ens uring the transmission priority of voice data stream and voice quality . ¾ OUI Address (Organizationally unique [...]

135 Port V oice VLAN Mode V oice Stream T ype Link type of the port and processing mode ACCESS: Not supported. TRUNK: Supported. The default VL AN of the port can not be voice VLAN. TA G v o i c e stream GENERAL: Supported. The defaul t VLAN of the port can not be voice VLAN and the egress rule of the access port in the voice VLAN should be T AG . [...]

136 Note: Don’t transmit voice stream toget her with other business packet s in the voice VLAN except for some special requirements. The V oice VLAN functi on can be implemented on Global Config, Port Config and OUI Config pages. 9.3.1 Global Config On this page, you can configure the global pa rameters of the voice VLAN, including VLAN ID, aging[...]

137 Figure 9-13 Port Config Note: T o 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 of voice VLAN, changing its port mode to be “Auto” will make the port leave the voice VLAN and will not join the voice VLAN automatically until it re ceives voice streams[...]

138 Security Mode: Configur e the security mode for forwarding packets. z Disable: All packets are forwarded. z Enable: Only voice data are forwarded. Member St ate: Displays the st ate of the port in the current voice VLAN. LAG: Displays the LAG number which the port belongs to. 9.3.3 OUI Config The switch supports OUI create and add the MAC addr [...]

139 Configuration Procedure of V oice VLAN: Ste p Operation Description 1 Configure the link type of the port Required. On VLAN → 802.1Q VLAN → Port Config page, configure the link type of por ts of the voice device. 2 Create VLAN Requir ed. On VLAN → 802.1Q VLAN → Port Config page, click the Create button to create a VLAN. 3 Add OUI addres[...]

140 Chapter 10 ACL ACL (Access Control List) is used to filter packe ts by configuring match rules and process policie s of packet s in order to control the access of the illegal users to the network. Besides, ACL functions to control traffic flows and save network resource s. It provides a flex ible and secured access control policy and facilitate[...]

141 10.1.2 T ime-Range Create On this page you can create time-ranges. Choose the menu ACL → Time-Range → Time-Range Create to load the following p age. Figure 10-2 T ime-Range Create Note: T o successfully configure time -ranges, please firstly specify ti me-slices and then time-ranges. The following entries are displayed on this screen: ¾ Cr[...]

142 End Time: Displays the end time of the time-slice. Delete: Click the Delete button to delet e the corresponding time-slice. 10.1.3 Holiday Config Holiday mode is applied as a different secured a ccess control policy from the week mode. On this page you can define holidays according to your work arrangement. Choose the menu ACL → Time-Range ?[...]

143 The ACL C onfig functi on can be implemented on ACL Summary , ACL Create , MAC ACL , Stand ar d -I P AC L and Extend-IP ACL pages. 10.2.1 ACL Summary On this page, you can view the curr ent ACLs configured in the switch. Choose the menu ACL → ACL Config → ACL Summary to load the following page. Figure 10-4 ACL Summary The following entries [...]

144 ACL ID: Enter ACL ID of the ACL y ou want to create. Rule Order: User Config order is set to be match order in this ACL. 10.2.3 MAC ACL MAC ACLs analyze and process packet s based on a se ries of match conditi ons, which can be the source MAC addresses, destination MAC addresse s, VLAN ID, and EtherT ype carried in the packet s . Choose the men[...]

145 User Priority: Select the user priority contained in the rule for the tagged p ackets to match. Time-Range: Select the time-range for t he rule to take ef fect. 10.2.4 S t andard-IP ACL S tandard-IP ACLs analyz e and process data packet s based on a series of ma tch conditions, which can be the source IP addresses and destination IP addresses c[...]

146 10.2.5 Extend-IP ACL Extend-IP ACLs analyze and process data p acket s based on a series of ma tch conditions, which can be the source IP addresses, destination IP addre sses, IP protocol and other information of this sort carried in the packe ts. Choose the menu ACL → ACL Config → Extend-IP ACL to load the following p age. Figure 10-8 Crea[...]

147 Mask: Enter IP address mask. If it is set to 1, it must strictly match the address. IP Protocol: Select IP protocol contained in the rule. Select ICMP: Configure the predefined ICMP type and code. ICMP T ype: Configure the predefined ICMP type ICMP Code ： Configure the predefined ICMP code. TCP Flag ： Configure TCP flag when TCP is selected[...]

148 Select Policy: Select name of the desired policy fo r vi ew . If you want to delete the desired policy , please clic k the Delete button. ¾ Action T able Select: Select the desired entry to del ete the corresponding policy . Index: Enter the index of the policy . ACL ID: Displays the ID of the AC L contained in the policy . S-Mirror: Displays [...]

149 Figure 10-1 1 Action Create The following entries are displayed on this screen: ¾ Create Action Select Policy: Select the name of the policy . Select ACL: Select the ACL for configuration in the policy . S-Mirror: Select S-Mir ror to mirror the data pa cket s in the policy to the specific port. S-Condition: Select S-Condition to limit the tran[...]

150 QoS Remark: Select QoS Remark to forward the data packet s based on the QoS settings. z DSCP: S pecify the DSCP region for the data p acket s those match the corresponding ACL. z Local Priority: S pecify the local priority for the data packet s those match the corresponding ACL. 10.4 Policy Binding Policy Binding function can have the policy ta[...]

151 Choose the menu ACL → Policy Binding → Port Binding to load the following p age. Figure 10-13 Bind the policy to the port The following entries are displayed on this screen: ¾ Port-Bind Config Policy Name: Select the name of the po licy you want to bind. Port: Enter the number of the port you want to bind. ¾ Port-Bind T able Index: Displa[...]

152 ¾ VLAN-Bind T able Index: Displays the index of the binding policy . Policy Name: Displays the name of the binding policy . VLAN ID: Displays the ID of the VL AN bound to the corresponding policy . Direction: Displays the binding direction. Configuration Procedure: Ste p Operation Description 1 Configure effective time-range Required. On ACL ?[...]

153 ¾ Configuration Procedure Ste p Operation Description 1 Create VLANs On VLAN → 802.1Q VLAN page, create VLAN 6, specify it s description as RD, configure port 16 and port 2 as the members of VLAN 6. Connect RD department to port 16 of TL-SL5428E, and configure the link type of port 16 as GENERAL and its PVID as 6. The IP range of VLAN 6 is 1[...]

154 4 Configure for requirement 2 and 3 On ACL → ACL Config → ACL Create page, create ACL 100. On ACL → ACL Config → St andard-IP ACL page, select ACL 100 , create Rule 1, configure operatio n as Deny , configure S-IP as 172.31.70.1 and mask as 255.255.255. 0, configure D-IP as 172.31.50.1 and mask as 255. 255.255.0, configur e the time-ran[...]

155 Chapter 11 Network Security Network Security module is to provide the multip le protection measures fo r the network security , including five submenus: IP-MAC Binding , ARP Inspection , IP Source Guard, DoS Defend and 802.1X . Please configure t he functions appropriate to your need. 11.1 IP-MAC Binding The IP-MAC Binding function allows you t[...]

156 The following ent ries are displ ayed on this screen: ¾ Search Option Source: Select a Source from the pull-down list and click the Search button to view your desired entry in the Binding T able. • All: All the bound entries will be displayed. • Manual: Only the manually added entries will be displayed. • Scanning: Only the entries forme[...]

157 Figure 1 1-2 Manual Binding The following ent ries are displ ayed on this screen: ¾ Manual Binding Option Host Name: Enter the Host Name. IP Address: Enter the IP Address of the Host. MAC Address: Enter the MAC Address of the Host. VLAN ID: Enter the VLAN ID. Port: Select the number of por t connected to the Host. Protect T ype: Select the Pro[...]

158 11.1.3 ARP Scanning ARP (Address Resolution Protocol) is u sed to analyze and map IP addresses to the corresponding MAC addresses so that p ackets can be delivered to their destinations correctly . IP address is the address of the Host on Network layer . MAC address, the address of the Host on Data link layer , is necessary for the packet to re[...]

159 Figure 1 1-4 ARP Scanning The following ent ries are displ ayed on this screen: ¾ Scanning Option St art IP Address: S pecify the S tart IP Address. End IP Address: S pecify the End IP Address. VLAN ID: Enter the VLAN ID. If blank, the switch will send the unt agged packet s for scanning. Scan: Click the Sca n button to scan the Hosts in the L[...]

160 network configuration pr o tocol optimized and developed basing on the BOOTP , functions to solve the above mentioned problems. ¾ DHCP W orking Principle DHCP works via the “Client/Server” communication mode. The Client applies to the Server for configuration. The Server assigns the configuration information, such as the IP address, to the[...]

161 Figure 1 1-6 Interaction between a DHCP client and a DHCP server （ 1 ） DHCP-DISCOVER Stage: The Client broadcasts the DHCP-DISCOVER packet to find the DHCP Server . （ 2 ） DHCP-OFFE R St age: Upon rec eiving the DHCP-DISCOVER packet, the DHCP Serve r selects an IP address from the IP pool according to the assigning priority of the IP add[...]

162 Option 82 can contain 255 sub-options at most. If Option 82 is defined, at least a sub-option should be defined. This Switch s upports two sub-options: Circuit ID and Remote ID. Since there is no universal standard about the content of Op tion 82, different manufacturers define the sub-options of Option 82 to their need. For this Switch, the su[...]

163 Cheating Attack by discarding the DHCP p ackets on the distrusted port, so as to enhance the network security . Choose the menu Network Security → IP-MAC Binding → Binding T able to load the following page. Figure 1 1-8 DHCP Snooping Note: If you want to enable the DHCP Snooping feature for the member port of LAG , please ensure the paramet[...]

164 ¾ DHCP Snooping Config DHCP Snooping: Enable/Disable the DHCP Snooping function globally . Global Flow Control: Select the value to specif y the maximum amount of DHCP messages that can be forwarded by the switch per second. The excessive massages will be discarded. Decline Threshold: Select the value to specify the minimum transmission rate o[...]

165 LAG: Displays the LAG to which the port belongs to. 11.2 ARP Inspection According to the ARP Implement ation Procedure stated in 1 1.1.3 ARP Scanning , it can be found that ARP protocol can facilit ate the Hosts in t he same network segment to communicate with one another or access to external network via Gatewa y . However , since ARP p rotoco[...]

166 Figure 1 1-10 ARP Attack – Cheating Gateway As the above figure shown, the at tacker sends the fake ARP p ackets of H ost A to the Gateway , and then the Gateway will automatically update its ARP table after receiving the ARP packet s. When the Gateway tries to communicate with Ho st A in LAN, it will encapsulate this false destination MAC ad[...]

167 Figure 1 1-1 1 ARP Attack – Cheating T erminal Hosts As the above figure shown, the atta cker sends the fake ARP p acket s of Host A to Host B, and then Host B will automatically update its ARP table afte r receiving the ARP p ackets. When Host B tries to communicate with Host A, it will encapsulat e this false destination MAC address for pac[...]

168 Figure 1 1-12 Man-In-The-Middle Attack Suppose there are three Hosts in LAN connec ted with one another through a switch. Host A: IP ad dress is 192.168.0.101; MAC address is 00-00-00-1 1-1 1-1 1. Host B: IP address is 19 2.168.0. 102; MAC address is 00-00-00-22-22-2 2. Attacker: IP address is 192.168.0.103; MAC address is 00-00-00-33-33- 33. 1[...]

169 The IP-MAC Binding function allows the switch to bind the IP address, MAC address, VLAN ID and the connected Port number of the Host together when the Ho st connects to the switch. Basing on the predefined IP-MAC Binding ent ries, the ARP Inspection functi ons to detect the ARP packet s and filter the illegal ARP p acket so as to prevent the ne[...]

170 Configuration Procedure: Ste p Operation Description 1 Bind the IP address, MAC address, VLAN ID and the connected Port number of the Host together . Required. On the IP-MAC Binding page, bind the IP address, MAC address, VLAN ID and the connected Port number of the Host together via Manual Binding, ARP Scanning or DHCP Snooping. 2 Enable the p[...]

171 The following ent ries are displ ayed on this screen: ¾ ARP Defend Port Select: Click the Select button to quick-se lect the corresponding port based on the port number you entered. Select: Select your desired port for confi guration. It is multi-optional. Port: Displays the port number . Defend: Select Enable/Disable the ARP Defend feature fo[...]

172 Figure 1 1-15 ARP S tatistics The following ent ries are displ ayed on this screen: ¾ Auto Refresh Auto Refresh: Enable/Disable the Auto Refresh feature. Refresh Interval: S pecify the refresh interval to display the ARP S tatistics. ¾ Illegal ARP Packet Port: Displays the port number . T rusted Port: Indicates the port is an ARP T rusted Por[...]

173 Figure 1 1-16 IP Source Guard The following ent ries are displ ayed on this screen: ¾ IP Source Guard Config Port Select: Click the Select button to quick-selec t the corresponding port based on the port number you entered. Select: Select your desired port for confi guration. It is multi-optional. Port: Displays the port number . Security T yp[...]

174 With DoS Defend function enabled, the switch can anal yze the specific fields of the IP p ackets and distinguish the malicious DoS attack p ackets. Up on detecting the packet s, the switch will discard the illegal packet s directly and limit the transmissi on rate of the legal p ackets if the ov er legal packet s may incur a breakdown of the ne[...]

175 11.4.1 DoS Defend On this page, you can enable the DoS De fend type appropriate to your need. Choose the menu Network Securit y → DoS Defend → DoS Defend to load the following page. Figure 1 1-17 DoS Defend The following ent ries are displ ayed on this screen: ¾ Defend Config DoS Defend: Allows you to Enable/Dis able DoS Defend function. P[...]

176 Choose the menu Network Securit y → DoS Defend → DoS Detect to load the following page. Figure 1 1-18 DoS Detect The following ent ries are displ ayed on this screen: ¾ Detect Config Detect Time: S pecify the detect time for eac h DoS attack type except the flooding attack type. Detect: Click the Detect button to star t the detection. The [...]

177 Figure 1 1-19 Architecture of 802.1X authentication （ 1 ） Supplicant S ystem: The supplicant system is an entit y in LAN and is authenticated by the authenticator system. T he supplicant system is usually a common user terminal computer . An 802.1X authentication is initiated when a user launc hes client program on the supplicant system. No[...]

178 authentication by sending EAP-Reque st/Identity packet s to the supp licant. The supplicant system can also launch an 802.1X client program to initiate an 802.1X authentic ation through the sending of an EAPOL-S tart p acket to the switch, This TP-LINK switch can authentic ate supplicant systems in EAP relay mode or EAP terminating mode. The fo[...]

179 RADIUS Access-Challenge packet. The switch then sends the key to the 802.1X client program. 5. Upon receiving the key (encapsulated in an EAP-Request/MD5 Challenge packet) from the switch, the client program encrypts the passwor d of the supplicant system with the key and sends the encrypted password (contained in an EAP-Response/MD5 Challenge [...]

180 ¾ 802.1X Timer In 802.1 x authentication, the fo llowing timers are used to ensure that the supplicant system, the switch, and the RADIUS server interact in an orderly way: （ 1 ） Supplicant system timer (Supplicant Timeout): This timer is triggered by the switch after the switch sends a request packet to a supplicant system. The switch wil[...]

181 Figure 1 1-22 Global Config The following ent ries are displ ayed on this screen: ¾ Global Config 802.1X: Enable/Disa ble the 802.1X function. Authentication Method: Select the Authentication Me thod from the pull-down list. • EAP-MD5: IEEE 802.1X authentication system uses extensible authenticat ion protocol (EAP) to exchange information be[...]

182 failed to the 802.1X Authenticat ion, then the switch will not respond to the authentication requ est from the same supplicant during the Quiet Period. Retry Times: S pecify the maximum transfer times of the repeated authentication request. Supplicant Timeout: S pecify the maximum time for the sw itch to wait for the response from supplicant be[...]

183 Statu s: Select Enable/Disable the 802.1X authentication feature for the port. Guest VLAN: Select Enable/Disable the Gues t VLAN feature for the port. Control Mode: S pecify the Control Mode for the port. • Auto: In this mode, the port will normally work only after passing the 802.1X Authentication. • Force-Authorized: In this mode, the por[...]

184 Primary IP: Enter the IP address of the authentication server . Secondary IP: Enter the IP address of the al ternate authentication server . Authentication Port: Set the UDP port of authentication server(s). The default port is 1812 Authentication KEY : Set the shared p assword for t he switch and the authentication servers to exchange messages[...]

185 Chapter 12 SNMP ¾ SNMP Overvie w SNMP (Simple Network Management Protocol) has gained the most extens ive application on the UDP/IP networks. SNMP provides a managem ent frame to monitor and maintain the network devices. It is used for automatica lly managing the various network devices no matter the physical differences of the devices. Curr e[...]

186 SNMP v1: SNMP v1 adopts Community Name authentic ation. The community name is used to define the relation between SNMP Management S tation and SNMP Agent. The SNMP packe ts failing to pass community name authentication are discarded. The community name can limit access to SNMP Agent from SNMP NMS, functioning as a p assword. SNMP v2c: SNMP v2c [...]

187 The User is configured in a SNMP Group can manage the switch via the client program on management station. The specif ied User Name and the Auth/Privacy Password are used for SNMP Management S tation to access the SNMP Agent, functioning as the pa ssword. SNMP module is used to configure the SNMP f unction of the switch, including three submenu[...]

188 Note: The amount of Engine ID c haracters must be even. 12.1.2 SNMP V iew The OID (Object Identifier) of t he SNMP packets is used to describe the managed objects of the switch, and the MIB (Management Information Base) is the set of the OIDs. The SNMP View is created for the SNMP management station to manage MIB objects. Choose the menu SNMP ?[...]

189 12.1.3 SNMP Group On this page, you can co nfigure SNMP Group to control the network access by providing the users in various groups with different management right s via the Read View , Write View and Notify View . Choose the menu SNMP → SNMP Config → SNMP Group to load the following page. Figure 12-5 SNMP Group The following ent ries are [...]

190 writing only and changes can be made to the a ssigned SNMP View . The View defined both as the Read View and the Write View can be read and modified. Notify V iew: Select the Vi ew to be the Notify View . The management station can receive notification messages of the assigned SNMP view generated by the Switch's SNMP agent. ¾ Group T able[...]

191 Figure 12-6 SNMP User The following ent ries are displ ayed on this screen: ¾ User Config User Name: Enter the User Name here. User T ype: Select the type for the User . • Local User: Indicates that the user is connected to a local SNMP engine. • Remote User: Indicates that the user is connected to a remote SNMP engine. Group Name: Select [...]

192 ¾ User T able Select: Select the desired entry to del ete the corresponding User . It is multi-optional. User Name: Displays the name of the User . User T ype: Displays the User T ype. Group Name: Displays the Group Name of the User . Security Model: Displays the Security Model of the User . Security Level: Displays the Security Level of the U[...]

193 • read-only: Management right of the Community is restricted to read-only, and changes cannot be made to the corresponding View. • read-write: Management right of the Comm unity is read-write and changes can be made to the correspondin g View. MIB Vie w: Select the MIB V iew for the community to access. ¾ Community T able Select: Select th[...]

194 2 Create SNMP V iew . Required. On the SNMP → SNMP Config → SNMP View page, create SNMP V iew of the management agent. The default View Name is viewDefault and the default OID is 1. Create SNMP Community directly . 3 Configure access level for the User . Create SNMP Group and SNMP User . Required alternatively . z Create SNMP Community dire[...]

195 Figure 12-8 Notification Config The following ent ries are displ ayed on this screen: ¾ Create Notification IP Address: Enter the IP Address of the management Host. UDP Port: Enter the number of the UDP por t used to send notifications. The UDP port functions with the IP address for the notification sending. The default is 162. User: Enter the[...]

196 Select: Select the desired entry to delete the corresponding management station. IP Address: Displays the IP Address of the management host. UDP Port: Displays the UDP port us ed to send notifications. User: Displays the User name of the management station. Security Model: Displays the Security Model of the management station. Security Level: D[...]

197 The RMON Groups can be configured on the History Control, Event Config and Alarm Config pages. 12.3.1 History Control On this page, you can confi gure the History Group for RMON. Choose the menu SNMP → RMON → History Control to load the following page. Figure 12-9 History Control The following ent ries are displ ayed on this screen: ¾ Hist[...]

198 Figure 12-10 Event Config The following ent ries are displ ayed on this screen: ¾ Event T able Select: Select the desired entry for configuration. Index: Displays the index number of the entry . User: Enter the name of the User or the community to which the event belongs. Description: Give a description to the event for identification. Ty p e [...]

199 Figure 12-1 1 Alarm Config The following ent ries are displ ayed on this screen: ¾ Alarm T able Select: Select the desired entry for configuration. Index: Displays the index number of the entry . Va r i a b l e : Select the alarm variables from the pull-down list. Port: Select the port on which the Alarm entry acts. Sample T ype: S pecify the [...]

200 Interval: Enter the alarm interval time in seconds. Ow ne r: Enter the name of the device or user that defined the entry . Statu s: Select Enable/Disable t he corresponding alarm entry . Note: When alarm variables exceed the Threshold on the same direction continuously for several times, an alarm event will only be generated on the first time, [...]

201 Chapter 13 Cluster With the development of network technology , the network scale is getting larger and more networ k devices are required, which may result in a mo re complicated network m anagement system. As a large number of devices need to be assigned diff erent network addresses and every management device needs to be respectively configu[...]

202 z The commander switch discovers and determines candidate switches by collecting related information. z After being added to the cluster , the candidate switch becomes to be the member switch, z After being removed from the cluster , the mem ber switch becomes to be the candidate switch. z The commander switch becomes to be the candidat e switc[...]

203 The following entries are displayed on this screen: ¾ Neighbor Search Option: Select the information the desir ed e ntry should contain and then click the Search button to display the desired entry in the following Neighbor Information table. ¾ Neighbor Info Native Port: Displays the port number of the switch. Remote Port: Displays the port n[...]

204 Figure 13-3 NDP Summary The following entries are displayed on this screen: ¾ Global Config NDP: Displays the global NDP status (enabled or disabled) for the switch. Aging Time: Displays the period for the neighbor switch to keep the NDP packet s from this switch. Hello Time: Displays the interval to send NDP packets. ¾ Port St atus Port: Dis[...]

205 Det ail ： Click the Deta il button to view the complete information collected for the port. 13.1.3 NDP Config On this page you can configure the NDP function for the switch. Choose the menu Cluster → NDP → NDP Config to load the following page. Figure 13-4 NDP Config The following entries are displayed on this screen: ¾ Global Config NDP[...]

206 Port: Displays the port number of the switch. NDP: Displays NDP status of the current port. Enable: Click the Enable button to enable NDP for the port you select. Disable: Click the Disable button to disabl e NDP for the port you select. Note: 1. NDP function is ef fective only when NDP function is enabled globally and for the port. 2. The agin[...]

207 ¾ Device T able Device T ype: Displays the device description collected through NTDP . Device MAC: Displays the MAC address of this device. Cluster Name: Displays the cluster nam e of this device. Role: Displays the role this device plays in the cluster . z Commander: Indicates the dev ice that can configure and manage all the devices in a clu[...]

208 Figure 13-7 NTDP Summary The following entries are displayed on this screen: ¾ Global Config NTDP: Displays the NTDP status (enabled or disabled) of the switch globally . NTDP Interval T ime: Displays the interval to co llect topology information. NTDP Hop s: Displays the hop count the sw itch topology collects. NTDP Hop Delay: Displays the ti[...]

209 Port: Displays the port number of the switch. NTDP: Displays NTDP status (e nabled or disabled) of the current port. 13.2.3 NTDP Config On this page you can configure NTDP globally . Choose the menu Cluster → NTDP → NT DP Config to load the following p age. Figure 13-8 NTDP Config The following entries are displayed on this screen: ¾ Globa[...]

210 NTDP Hop Delay: Enter the time between the switch receiving NTDP request packet s and the switch forwarding NTDP request pa ckets for the first time. Th e default is 200 milliseconds. NTDP Port Delay : Enter the time between the port forwar ding NTDP request p ackets and its adjacent port forwarding NTDP request p ackets over . The default is 2[...]

21 1 ¾ Global Cluster: Displays the cluster status (enabl ed or disabled) of the switch. Cluster Role: Displays the role the switch plays in the cluster . z For a commander switch ， the following page is displayed: Figure 13-10 Cluster Summary for Commander Switch The following entries are displayed on this screen: ¾ Global Config Cluster: Disp[...]

212 Device MAC: Displays the MAC address of the member switch. IP Address: Displays the IP address of the member switch used in the cluste r . Statu s: Displays the connection status of the member switch. Role: Displays the role the switch plays currently . Online Time : Displays the time when the member switch is added to the cluster . Hop s: Disp[...]

213 The following entries are displayed on this screen: ¾ Global Config Cluster: Displays the cluster status (enabl ed or disabled) of the switch. Cluster Role: Displays the role the switch plays in the cluster . 13.3.2 Cluster Config On this page you can configure the sta tus of the cluster the switch belongs to. Choose the menu Cluster → Clust[...]

214 Figure 13-14 Cluster Configuration for Commander Switch The following entries are displayed on this screen: ¾ Current Role Role: Displays the role the current switch plays in the cluster . ¾ Role Change Candidate: Select this option to change the role of the switch to be can didate switch. ¾ Cluster Config Cluster Name: Enter the name of the[...]

215 ¾ Current Role Role: Displays the role the current switch plays in the cluster . ¾ Role Change Individual: Select this o ption to change the role of the switch to be individual switch. z For an individual switch, the following page is displayed. Figure 13-16 Cluster Configurati on for Individual Switch The following entries are displayed on t[...]

216 Figure 13-17 Member Config The following entries are displayed on this screen: ¾ Create Member Member MAC: Enter the MAC address of the candidate switch. ¾ Member Info Select: Select the desired entry to manage/delete the correspond ing member switch. Device Name: Display the description of the member switch. Member MAC: Displays the MAC addr[...]

217 Figure 13-18 Collect T opology The following entries are displayed on this screen: ¾ Graphic Show Collect T opology: Click the Collect T opology button to display the cluster topology . Manage: If the current device is the comm ander switch in the cluster and the selected device is a member sw itch in the cluster , you can click the Manage but[...]

218 Ste p Operation Description 1 Enable the NDP function globally and for the port, and then configure NDP parameters Optional. On Cluster → NDP → NDP Config page, enable the NDP function on the switch. 2 Enable the NTDP function globally and for the port, and then configure NTDP parameters Optional. On Cluster → NTDP → NTDP Config p age, [...]

219 z Port 1 of the commander switch is connecting to the external ne twork, port 2 is connecting to member switch 1 and port 3 is c onnecting to member switch 2. z IP pool: 175.128.0.1, Mask: 255.255.255.0. ¾ Network Diagram Figure 13-19 Network diagram ¾ Configuration Procedure z Configure the member switch Ste p Operation Description 1 Enable [...]

220 4 Configure the member switch On Cluster → Cluster → Member Config page, select the member switch and click the Manage button to log on to its W eb management page. Or On Cluster → Cluster → Cluster T opolog y page, double-click the switch icon to view its detailed information; click the switch icon and click the Manage button to log on[...]

221 Chapter 14 Maintenance Maintenance module, assembling the commonly used system tools to manage the switch, provides the convenient method to locate and solve the network problem. （ 1 ） System Monitor: Monitor the utilization stat us of the memory and the CPU of switch. （ 2 ） Log: View the configuration parameters of t he switch and find[...]

222 Figure 14-1 CPU Monitor Click the Monitor button to enable the switch to monitor and display its CPU utilization rate every four seconds. 14.1.2 Memory Monitor Choose the menu Maintenance → S ystem Monitor → Memory Monitor to load the following page.[...]

223 Figure 14-2 Memory Monitor Click the Monitor button to enable the switch to monitor and display its Memory utilization rate every four seconds. 14.2 Log The Log system of switch can re cord, classify and manage the syst em information effectively , providing powerful support for networ k administrator to monito r network operation and diagnose [...]

224 The Log function is implemented on the Log T able , Local Log , Remote Log and Backup Log pages. 14.2.1 Log T abl e The switch supports logs output to two directions , namely , log buffer and log file. The information in log buffer will be lost af ter the switch is reboot ed or powered off whereas the information in log file will be kept ef fec[...]

225 14.2.2 Local Log Local Log is the log information saved in switch. By default, all system logs are saved in log buffer and the logs with severities from level_0 to level _4 are saved in log file meanwhile. On this page, you can set the output channel for logs. Choose the menu Maintenance → Log → Local Log to load the following page. Figure [...]

226 Figure 14-5 Log Host The following ent ries are displ ayed on this screen: ¾ Log Host Index: Displays the index of the log host. The switch supports 4 log hosts. Host IP: Configure the IP for the log host. UDP Port: Displays the UDP port used for receiving/sending log information. Here we use the standard port 514. Severity: Specify the severi[...]

227 Figure 14-6 Backup Log The following ent ry is displayed on this screen: ¾ Backup Log Backup Log: Click the Backup Log button to save the log as a file to your computer . Note: It will take a few minutes to backup the l og file. Please wait without any operation. 14.3 Device Diagnose This switch provides Cable T est and Loopback functions for [...]

228 Statu s: Displays the connection status of the cable connected to the port. The test results of the cable include normal, close, open or impedance. Length: If the connection status is normal, here displays the length range o f the cable. Error: If the connection status is close, open or impedanc e, here displays the error length of the cable. N[...]

229 T est: Click the T est button to st art the loopback test for the port. 14.4 Network Diagnose This switch provides Ping test and T rac ert test functions for network diagnose. 14.4.1 Ping Ping test function, testing the connectivit y between the switch and one node of the network, facilitates you to test the network connectivity and r eachabili[...]

230 14.4.2 T racert T racert test function is used to test the connecti vity of the gateways during its journey from the source to destination of the test data. When ma lfunctions occur to the network, you can locate trouble spot of the network with this tracert test. Choose the menu Maintenance → Netw ork Diagnose → T racer t to load the follo[...]

231 Chapter 15 System Maintenance via FTP The firmware can be downloaded to the switch via FTP function. FTP (File Transfer Protocol), a protocol in the applicati on layer, is mainly used to transfer files between the remote server and the local PCs. It is a common protocol used in the IP network for file s transfer. If there is something wrong wit[...]

232 Figure 15-2 Open Hyper T erminal 2 ） The Connection Description Wi ndow will prompt shown as Figure 15-3. Enter a name into the Name field and click OK . Figure 15-3 Conn ection Description 3 ） Select the port to connect in Figure 15-4 and click OK .[...]

233 Figure 15-4 Select the port to connect 4 ） Configure the port selected in t he step above shown as the following Figure 15-5. Configure Bit s per second as 38400, Data bit s as 8, Parity as None, Sto p b i ts as 1, Flow control as None, and then click OK . Figure 15-5 Port Settings 3. Download Firmware via bootrom menu T o download firmware t[...]

234 Figure 15-6 bootrom Menu As the prompt is displayed for a short time, you are suggested not to release the CTRL-B key until you enter into bootrom menu after powering on the switch. 3 ） After entering into bootrom menu, please firstly configure the IP p arameters of the switch. The format is: ifconfig ip xxx.xxx.xxx.xx x mask 255.255.255.0 ga[...]

235 7 ） Please enter st art command to start the swit ch shown as the following figure. Enter the user name and password (the default user name and password are both admin) to login to the CLI command window and you can m anage the switch via CLI command. [TP-LINK]: st art St art . . . . . . . . ◀ * * * * * * * * * * * * * * * * * * User Access[...]

236 Appendix A: S pecifications IEEE802.3 10Base-T Ethernet IEEE802.3u 100Base-TX/100Bas e-FX Fast Ethernet IEEE802.3ab 1000Base-T Gigabit Ethernet IEEE802.3z 1000Base- X Gigabit Ethernet IEEE802.3x Flow Control IEEE802.1p Priority IEEE802.1q VLAN Bridge Standards IEEE802.1X Port-based Access Authentication Ethernet: 10Mbps HD ， 20Mbps FD Fast Et[...]

237 Appendix B: Configuring the PCs In this section, we’ll introduce how to install and configure the TCP/IP correctly in Windows 2000. First make sure your Ethernet Adapter is work ing, refer to the adapter ’s manual if necessary . 1. Configure TCP/IP comp onent 1) On the Windows taskbar , click the Star t button, and then click Control Panel [...]

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

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

240 Appendix C: 802.1X Client Sof tware In 802.1X mechanism, the supplicant Client s hould be equipped with the corresponding client software complied with 802.1X protocol st andar d for 802.1X authenticati on. When the switch TL-SL5428E works as the authenticator system, please ta ke the following instructions to in stall the TpSupplicant provided[...]

241 Figure C-3 Welcome to the InstallShield Wizard 4. T o continue, choose the destination location for the installation files and click Next on the following screen. Figure C-4 Choose De stination Location By default, the installation files are saved on t he Program Files folder of system disk. Click the Change button to modify the destinati on lo[...]

242 Figure C-5 Install the Program 6. The Inst allShield Wizard is installing TpSupplicant-V2.0 shown as the following screen. Please wait. Figure C-6 Setup S tatus 7. On the following screen, click Finish to complete the installation.[...]

243 Figure C-7 InstallShield Wizard Complete Note: Please pay attention to the ti ps on the above screen. If you have not installed WinPcap 4.0.2 or the higher version on your computer , the 802.1X Client Softw a re TpSupplicant can not work. It’s recommended to go to http://www .winpcap.org to downl oad the latest version of WinPcap for installa[...]

244 Figure C-8 Preparing Setup 3. On the continued screen, click Ye s to remove the application from your PC. Figure C-9 Uninstall the Application 4. Click Finish to complete. Figure C-10 Uninstall Complete 1.3 Configuration 1. After completing inst allation, double click the icon to run the TP-LINK 802.1X Client Software. Th e following screen wil[...]

245 Figure C-1 1 TP-LINK 802.1X Client Enter the Name and the Passwo rd specified in the Authentic ation Server . The length of Name and Password should be less than 15 characters. 2. Click the Properties button on Figure C-1 1 to lo ad the following screen for configuring the connection prope rties. Figure C-12 Connection Properties Send 802.1X pr[...]

246 Auto reconnect af ter timeout: Select this option to allow the Client to automatically start the connection again when it does not re ceive the handshake reply packet s from the switch within a period. 3. T o continue, click Connect button after entering the Name and Password on Figure C-1 1 . Then the following screen will appear to prompt tha[...]

247 FA Q : Q1: Why does this error dialog box pop up when star ting up the TP-LINK 802.1X Client Software? A1: It’s because the supported DLL file is missing. Y ou are suggested to go to http://www .winpcap.org to download WinPcap 4.0 .2 or the higher version for installation, and run the client software again. Q2: Is this TP-LINK 802.1X Client S[...]

248 Appendix D: Glossary Access Control List (ACL) ACLs can limit network traffic and restrict access to certain users or devices by checking each packet for certain IP or MAC (i.e., Layer 2) information. Boot Protocol (BOOTP) BOOTP is used to provide bootup informat ion for netwo rk devices, including IP address information, the address of the TFT[...]

249 GMRP allows network devices to register end stations with multic ast groups. GMRP requires that any participating network devic es or end stations comply with the IEEE 802.1p standard. Group Attribute Registration Protocol (GARP) See Generic Attribute Registration Protocol. IEEE 802.1D Specifies a general method for the operation of MAC bridges[...]

250 Data Link layer in the ISO 7-Layer Data Commun ica tions Protocol. This is related directly to the hardware interface for network devices and passes on traffic based on MAC addresses. Link Aggregation See Port Trunk. Link Aggregation Control Protocol (LACP) Allows ports to automatically negotiate a tr unked link with LACP-c onfigured ports on a[...]

251 A secure replacement for remote access functi ons, including Telnet. SSH can authenticate users with a cryptographic key, and encrypt data c onne ctions between manage ment clients and the switch. Simple Network Management Protocol (SNMP) The application protocol in the Internet suit e of protocols which o ffers network management services. Sim[...]