Home

TP-LINK TL-ER5120 router

1. 3 Link up 100 FO Enabled 4 Link down 5 Link down Figure 3 25 Port Status 41 3 1 7 6 Port VLAN A VLAN Virtual Local Area Network is a network topology configured according to a logical scheme rather than the physical layout which allows you to divide the physical LAN into multiple logical LANs so as to control the communication among the ports The VLAN function can prevent the broadcast storm in LANs and enhance the network security By creating VLANs in a physical LAN you can divide the LAN into multiple logical LANs each of which has a broadcast domain of its own Hosts in the same VLAN communicate with one another as if they are in a LAN However hosts in different VLANs cannot communicate with one another directly Therefore broadcast packets are limited in a VLAN TL ER5120 provides the Port VLAN function which allows you to create multiple logical VLANs for the LAN ports based on their port numbers Choose the menu Network Switch Port VLAN to load the following page Port YLAN Port Fort 1 Port Fort 3 Fort 4 Fort 5 Network Wt OB WAN LAM LAM DMZ VLAN NA E LANA VLANI NA Figure 3 26 Port VLAN The following items are displayed on this screen gt Port VLAN Network Displays the current logical network of the physical port VLAN Select the desired VLAN for the port Tips e The Port VLAN can only be created among the LAN ports e The change of DMZ status will affect the c
2. Account Name Password Active Mode PPPoE Advanced Settings Keep Alive MTU ISP Address Select PPPoE Russian PPPoE if your ISP provides xDSL Virtual Dial up connection Click lt Connect gt to dial up to the Internet and obtain the IP address Click lt Disconnect gt to disconnect the Internet connection and release the current IP address Enter the Account Name provided by your ISP If you are not clear please consult your ISP Enter the Password provided by your ISP You can select the proper Active mode according to your need e Manual Select this option to manually activate or terminate the Internet connection by the lt Connect gt or lt Disconnect gt button It s optimum for the dial up connection charged on time e Always on Select this option to keep the connection always on The connection can be re established automatically when it is down e Time based Select this option to keep the connection on during the Active time you set Check here to enable PPPoE advanced settings Once PPPoE is connected the router will send keep alive packets every Keep Alive Interval sec and Keep Alive Retry Times to make sure the connection is still alive If the router does not get the response from ISP after sending keep alive packets then the router will terminate the connection MTU Maximum Transmission Unit is the maximum data unit transmitted by the physical network It can be set
3. A Note e Multi Nets NAT entry takes effect only when cooperating with the corresponding Static Route entries e The DMZ port will display in the drop down list only when the DMZ port is enabled e For detailed setting of subnet mask please refer to the Appendix B FAQ Application Example Network Requirements The LAN subnet of TL ER5120 is 192 168 0 0 24 the subnet of VLAN2 under a three layer switch is 192 168 2 0 24 while the subnet of VLAN3 is 192 168 3 0 24 The IP of VLAN for cascading the switch to the router is 192 168 0 2 Now the hosts within VLAN2 and VLAN3 desire to access the Internet The network topology is shown as the following Internet y TL ER5120 mi Pa 192 168 0 1 24 192 168 0 2 24 Layer 3 Switch 1P 192 168 0 0 24 LAN Subnet IP 192 168 2 0 24 IP 192 168 3 0 24 VLAN2 VLANS 49 Configuration procedure 1 Establish the Multi Nets NAT entries with Subnet Mask of VLAN2 and VLANZ3 Multi Nets NAT Subnet Mask 192 168 2 0 za Interface LAM kai Description WLAK Optional Status Activate Inactiwate The configured entries are as follows List of Rules Po Metwork Address Interface Description Status Action 1 192 168 2 0 24 Lan VLAN2 Active OW Pl 2 192 166 3 0 24 LAN VLANS Active Oe 2 Then set the corresponding Static Route entry enter the IP address of the interface connecting the router and the three layer switch into the Next Ho
4. TP LINK User Guide TL ER5120 Gigabit Load Balance Broadband Router za AA Y TZ A CCC REV2 0 0 1910010931 COPYRIGHT amp TRADEMARKS Specifications are subject to change without notice TP LINK is a registered trademark of TP LINK TECHNOLOGIES CO LTD Other brands and product names are 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 2013 TP LINK TECHNOLOGIES CO LTD All rights reserved http www tp link com FCC STATEMENT FE 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 conditio
5. gt General To control the access to Internet for hosts in you private network it is recommended to check the box before Enable MAC Filtering and select a filtering mode according to actual situation gt MAC Filtering MAC Address Enter the MAC Address to be filtered Description Give a description for the entry 75 gt List of Rules You can view the information of the entries and edit them by the Action buttons 3 4 4 Access Control 3 4 4 1 URL Filtering URL Uniform Resource Locator specifies where an identified resource is available and the mechanism for retrieving it URL Filter functions to filter the Internet URL address so as to provide a convenient way for controlling the access to Internet from LAN hosts Choose the menu Firewall Access Control URL Filtering to load the following page General C Enable URL Filtering Permit URL listed below and deny the rest Deny URL listed below and permit the rest URL Filtering Rule Object Group ANY Mode Keywords URL Path Effective Time 00 00 24 00 Sun e Mon 4 Tue Wed e Thu Fri e Sat Description E Optional List of Rules Mo Object Mode Keywords URL Path Effective Time Description Action No entries Figure 3 52 URL Filtering The following items are displayed on this screen gt General To control the access to Internet for hosts in your private network you are recommended to check the box before En
6. on the port Displays the number of the received frames including error frames that are less than 64 bytes long Displays the number of the received packets including error frames that are between 64 bytes and the maximum frame length The maximum untagged frame this router can support is 1518 bytes long and the maximum tagged frame is 1522 bytes long Displays the number of the received packets including error frames that are longer than the maximum frame Displays the total number of the received or transmitted packets including error frames Check the box and click the lt Clear gt button to clear the traffic statistics of the corresponding port Click the lt Clear All gt button to clear all the traffic statistics 3 1 7 2 Port Mirror Port Mirror the packets obtaining technology functions to forward copies of packets from one multiple ports mirrored port to a specific port mirroring port Usually the mirroring port is connected to a data diagnose device which is used to analyze the mirrored packets for monitoring and troubleshooting the network Choose the menu Network Switch Port Mirror to load the following page 37 General Enable Port Mirror Mode Egress 1 Fort Mirror Port Mirroring Port Mirrored Port 1 O 2 O 3 O 4 5 O Figure 3 22 Port Mirror The following items are displayed on this screen gt General Enable Port Mirror Check the box to enable the Port Mi
7. MTU Maximum Transmission Unit is the maximum data unit transmitted by the physical network It can be set in the range of 576 1460 The default MTU is 1460 It is recommended to keep the default value if no other MTU value is provided by your ISP You can select the proper Active mode according to your need e Manual Select this option to manually activate or terminate the Internet connection by the lt Connect gt or lt Disconnect gt button It s optimum for the dial up connection charged on time e Always on Select this option to keep the connection always on The connection can be re established automatically when it is down Here allows you to configure the secondary connection Dynamic IP and Static IP connection types are provided Select the secondary connection type Options include Disable Dynamic IP and Static IP If Static IP is selected configure the IP address of WAN port If Dynamic IP is selected the IP address of WAN port obtained is displayed 25 Subnet Mask Default Gateway Primary DNS Secondary DNS Upstream Bandwidth Downstream Bandwidth gt PPTP Status Status IP Address Primary DNS Secondary DNS If Static IP is selected configure the subnet mask of WAN port If Dynamic IP is select the subnet mask of WAN port obtained is displayed If Static IP is selected configure the default gateway If Dynamic IP is selected the obtained default gateway is
8. The default address is 192 168 0 2 End IP Address Enter the End IP address to define a range for the DHCP server to assign dynamic IP addresses This address should be in the same IP address subnet with the router s LAN IP address The default address is 192 168 0 254 30 Lease Time Default Gateway Default Domain Primary DNS Secondary DNS 3 1 4 3 DHCP Client Specify the length of time the DHCP server will reserve the IP address for each computer After the IP address expired the client will be automatically assigned a new one Optional Enter the Gateway address to be assigned It is recommended to enter the IP address of the LAN port of the router Optional Enter the domain name of your network Optional Enter the Primary DNS server address provided by your ISP It is recommended to enter the IP address of the LAN port of the router Optional If a Secondary DNS Server address is available enter it On this page you can view the information about all the DHCP clients connected to the router Choose the menu Network LAN DHCP Client to load the following page List of DHCP Client Mo Host Mame 1 TP 113E49102 lt 72 Z tp 113ea910272d MAC Address IP Address Lease Time 40 61 86 FC 5 C3 197 166 0 2 01 27 04 40 61 86 FC 5 B9 192 165 0 3 01 27 00 Figure 3 15 DHCP Client You can view the information of the DHCP clients in this table Click the Refresh button for the updated
9. gt Current Time System Time Time Zone Status Displays the current date and time of the router Displays the current time zone of the router Displays the status of time capturing 108 gt Config Get UTC When this option is selected you can configure the time zone and the IP address for the NTP server The router will get UTC automatically if it has connected to an NTP server e Time Zone Select the time zone for the router e Primary Secondary NTP Server Enter the IP address or domain name of the NTP server Manual With this option selected you can set the date and time manually Synchronize with With this option selected the administrator PC s clock is utilized PC S Clock Note e f Get UTC function cannot be used properly please add an entry with UDP port of 123 to the firewall software of the PC e The time will be lost when the router is restarted The router will obtain UTC time automatically from Internet 3 6 5 2 Daylight Saving Time On this page you can configure the Daylight Saving Time of the router Choose the menu Maintenance Time Daylight Saving Time to load the following page Daylight Saving Time DST State Current State Mot Open Daylight Saving Time DST Config DST Status O Enable Disable Predefined Mode USA European Australia Recurring Mode Time Offset o minutes Start Time in End Time in Date Mode Time Offset 50 minutes Star
10. you can view the information of IP Address Pools and edit them by the Action buttons 3 5 1 3 Account On this page you can configure the PPPoE account Choose the menu Services PPPoE Server Account to load the following page 86 Account Account Mame Password IP Address Assigned Mode IP Address Fool Max Sessions Expiration Date Description Status CI MAZ Binding MAC Address session Timeout List of Account d Mo Account Name 1 userl Dynamic Static to 258 t_ 2_ orvvy mm pp Optional Clear Help Activate Inactivate Enable Advanced Account Features Lo RRR K RK RK K KR Hour 0 168 IP Address Pool Hl Sap a a MAC Address ll Description Status Action Sessions Date Timeout addi 1 2099 01 01 s active QU a Figure 3 60 Account The following items are displayed on this screen gt Account Account Name Password IP Address Assigned Mode Static IP Address IP Address Pool Max Sessions Expiration Date Enter the account name This name should not be the same with the one in L2TP PPTP connection settings Enter the password Select the IP Address Assigned Mode for IP assignment e Static Select this option to assign a static IP address to the client e Dynamic Select this option to assign available IP addresses to the client automatically It s available on Static mode Enter a static IP address for the
11. 4 Protocol page Enter the source IP range for the entry 0 0 0 0 0 0 0 0 means any IP is acceptable Enter the destination IP range for the entry 0 0 0 0 0 0 0 0 means any IP is acceptable Enter the source Port range for the entry which is effective only when the protocol is TCP UDP or TCP UDP The default value is 1 65535 which means any port is acceptable Enter the destination port range for the entry which is effective only when the protocol is TCP UDP or TCP UDP The default value is 1 65535 which means any port is acceptable Select the WAN port for transmitting packets Specify the time for the entry to take effect Activate or inactivate the entry You can view the information of the entries and edit them by the Action buttons The first entry in Figure 3 41 indicates All the packets with Source IP between 192 168 0 100 and 192 168 0 199 and Destination IP between 116 10 20 28 and 116 10 20 29 will be forwarded from WANT1 port regardless of the port and protocol This entry is activated d and will take effect at 8 am to 10 pm from Monday to Friday 3 3 4 3 Link Backup With Link Backup function the router will switch all the new sessions from dropped line automatically to another to keep an always on line network 61 On this page you can configure the Link Backup function based on actual need to reduce the traffic burden of WAN port and improve the network efficiency Choose th
12. Ay cortada dada to iat mes 139 V Package Contents The following items should be found in your box gt One TL ER5120 Router gt One Power Cord gt One Console Cable gt Two mounting brackets and other fittings gt Quick Installation Guide gt Resource CD Note Make sure that the package contains the above items If any of the listed items are damaged or missing please contact with your distributor Chapter 1 About this Guide This User Guide contains information for setup and management of TL ER5120 router Please read this guide carefully before operation 1 1 Intended Readers This Guide is intended for Network Engineer and Network Administrator 1 2 Conventions In this Guide the following conventions are used gt The router or TL ER5120 mentioned in this Guide stands for TL ER5120 Gigabit Load Balance Broadband Router without any explanation gt Menu Name gt Submenu Name gt Tab page indicates the menu structure Advanced NAT Basic NAT means the Basic NAT page under the NAT menu option that is located under the Advanced menu gt Bold font indicates a toolbar icon menu or menu item gt lt Font gt indicate a button Symbols in this Guide et ic Ignoring this type of note might result in a malfunction or damage to the device This format indicates important information that helps you make better use of your device 1 3 Overview of this Guide Chapter 1 About
13. E HE Hyper Terminal Network Connections Network Setup Wizard New Connection Wizard Remote Desktop Connection Wireless Network Setup Wizard Figure 5 1 Open Hyper Terminal 3 The Connection Description Window will prompt as Figure 5 2 shows Enter a name into the Name field and click OK 125 Connection Description Fi Hew Connection Enter a name and choose an icon for the connection Hame tplink con Figure 5 2 Connection Description 4 Select the port The default port is COM1 to connect in Figure 5 3 and click OK Connect lo D tp link Enter details for the phone number that you want to dial Country region Area code Phone number Connect using CO E Figure 5 3 Select the port to connect 5 Configure the port selected in the step above as the following Figure 5 4 shows Configure Bits per second as 115200 Data bits as 8 Parity as None Stop bits as 1 Flow control as None and then click OK 126 COM1 Properties Port Settings Bits per second 175200 44 Data bits Stop bits Flow contrat A Restore Defaults Figure 5 4 Port Settings Choose File Properties Settings on the Hyper Terminal window as Figure 5 5 shows then choose VT100 or Auto detect for Emulation and click OK tp link Properties Function arrow and ctrl keys act as 2 Terminal keys Windows keys Backspace key sends CH Del Ct
14. IP options lt E is I Ho Operation Option Security Option Loose Source Route Option Strict Source Route Option Record Route Option Stream Option Timestamp Option Enable Attack Defense Logs Figure 3 50 Attack Defense The following items are displayed on this screen gt General Flood Defense Flood attack is a kind of commonly used DoS Denial of Service which including TCP SYN UDP recommended to check all the Flood Defense options and specify the corresponding thresholds Keep the default settings if you are not sure 74 ICMP and so on Packet Anomaly Packet Anomaly refers to the abnormal packets It is Defense recommended to select all the Packet Anomaly Defense options Enable Attack With this box checked the router will record the defense logs Defense Logs 3 4 3 MAC Filtering On this page you can control the access to the Internet of local host by specifying their MAC addresses Choose the menu Firewall gt MAC Filtering MAC Filtering to load the following page General Enable MAC Filtering Permit MAC Addresses listed below and deny the rest Save Deny MAC Addresses listed below and permit the rest MAC Address MAC Address KR K RK KK RK R Clear Desctiptien Optional Help List of Rules No MAC Address Description Man Q 1 00 11 22 33 44 55 Dr a Y 2 DO 11 22 33 44 6F Drw Figure 3 51 MAC Filtering The following items are displayed on this screen
15. LANS Configuration procedure 1 On the Static Route page add a static routing rule for LAN2 with destination address 192 168 2 0 LAN2 s IP address and next hop address 192 168 0 2 IP address of the cascading LAN port as shown in the following figure Then click the lt Add gt button 66 Static Route Destination Add Subnet Mask Next Hop Help Interface LAN e Metric po 0 5 Description Optional Status Activate Inactivate 2 Add a static routing rule for LAN3 by referring to step 2 The static routing rules are shown in the following figure List of Rules No Destination Subnet Mask Mext Hop Interface Metric Status Description Action Fj i 192 168 2 0 255 255 255 0 192 168 0 2 LAN 0 Active LANZ O WE Fl 2 192 168 3 0 255 255 255 0 192 168 0 2 LAN 0 Active LAN3 O VW 3 3 5 2 RIP RIP Routing Information Protocol is a dynamic route protocol using distance vector algorithm to select the optimal path With features of easy configuration management and implementation it is widely used in small and medium sized networks such as the campus network The distance of RIP refers to the hop counts that a data packet passes through before reaching its destination the value range of which is 1 15 It means the destination cannot be reached if the value is more than 15 Optimal path indicates the path with the fewest hop counts RIP exchanges the route information every 30 seconds by broadcasting UDP packets If one rout
16. PPPoE Server Specify whether to enable the PPPoE Server function Dial up Access Only Specify whether to enable the Dial up Access Only function If enabled only the Dial in Users and the user with Exceptional IP can access the Internet PPPoE User Isolation Specify whether to allow the Dial in Users to communicate with one another 84 Primary Secondary DNS Max Sessions Max Echo Requests Idle Timeout Authentication Auth Protocol Radius Server Shared Key Enter the Primary Secondary DNS server address The default is 0 0 0 0 Specify the maximum number of the sessions for PPPoE server The default is 256 Specify the maximum number of Echo Requests sent by the server to wait for response The default is 10 The link will be dropped when the number of the unacknowledged LCP echo requests reaches your specified Max Echo Requests Enter the maximum idle time The session will be terminated after it has been inactive for this specified period It can be 0 10080 minutes If you want your Internet connection to remain on at all times enter O in the Idle Timeout field The default value is 30 Select the Authentication type It can be Local authentication and Remote authentication Select Local authentication for authentication in PPPoE server and select Remote authentication for authentication in the remote server Select at least one authentication protocol for Local Authentication e PAP
17. Tracert and Online Detection Traffic Control gt Supports Bandwidth Control gt Supports Session Limit Security gt Built in firewall supporting URL MAC Filtering _5 Supports Access Control Supports Attack Defense Supports IP MAC Binding Vv Vv Y WV Supports GARP Gratuitous ARP gt Deploys One Click restricting of IM P2P applications 2 3 Appearance 2 3 1 Front Panel The front panel of TL ER5120 is shown as the following figure TP LINK Link Act Speed Link Act Speed Link Act Speed la i i Gigabit Load Balance Broadband Router sys WAN WAN eo LEDs LED Status Indication On The router is powered on PWR Off The router is powered off or power supply is abnormal Flashing The router works properly SYS On Off The router works improperly On There is a device linked to the corresponding port Link Act Off There is no device linked to the corresponding port Flashing The corresponding port is transmitting or receiving data On Green The linked device is running at 1000Mbps Speed On Yellow The linked device is running at 100Mbps Of There is no device linked to the corresponding port or the linked device is running at 10Mbps On The port is working in WAN mode WAN Off The port
18. a conflict of MAC address on the LAN it s not allowed to set the MAC address of the router s LAN port to the MAC address of the current management PC 3 1 7 Switch Some basic switch port management functions are provided by TL ER5120 which facilitates you to monitor the traffic and manage the network effectively 3 1 7 1 Statistics Statistics screen displays the detailed traffic information of each port which allows you to monitor the traffic and locate faults promptly Choose the menu Network Switch Statistics to load the following page Statistics Packets Port 1 Fort Fort 3 Port 4 Port 5 Unicast O O 2951 O T Broadcast O O 376 O T Fause o o o 0 T Multicast O O 10 O T Received Undersize O O O O T Normal O O 3367 O T Oversize O O 0 O T Total Bytes T T 323960 T 0 Unicast O O 5721 O T Broadcast O O O O T Transmitted Pause O O O O T Multicast O O 0 O T Total Bytes 0 0 6583147 T 0 Figure 3 21 Statistics 36 The following items are displayed on this screen gt Statistics Unicast Broadcast Pause Multicast Undersize Normal Oversize Total Bytes Displays the number of normal unicast packets received or transmitted on the port Displays the number of normal broadcast packets received or transmitted on the port Displays the number of flow control frames received or transmitted on the port Displays the number of normal multicast packets received or transmitted
19. be enabled automatically if no routing rules are set Then click the lt Save gt button to apply the settings bd Note The WAN ports not connecting to the Internet will not apply Intelligent Balance please do not select them 3 3 4 2 Policy Routing Policy Routing provides a more accurate way to control the routing based on the policy defined by the network administrator Choose the menu Advanced gt Load Balance gt Policy Routing to load the following page General Protocol All Protacols wt Source IP 0 0 0 0 oona Clear Destination IP 0 0 0 0 10 0 0 0 Help Source Port CA Destination Port o 0 WAN wana C wane Effective Time 00 00 24 00 sun Mon Tue v wed 4 Thu Fri Sat Description gt Optional Status Activate Inactiwate List of Rules No Src IF Dest IP Src Port Dest Port Protocal Wy Oh Effective Time Description Status Action 197 168 0 100 116 10 20 25 All 068 00 272 00 F WANI oan Active O 192 168 0 199 116 10 20 29 Protocols Mon Tue Wed Thu Fri Figure 3 41 Policy Routing 60 The following items are displayed on this screen gt General Protocol Source IP Destination IP Source Port Destination Port WAN Effective Time Status gt List of Rules Select the protocol for the entry in the drop down list If the protocol you want to set is not in the list you can add it to the list on 3 3 4
20. client It s available on Dynamic mode Select an IP Address Pool to make a range to assign dynamic IPs Specify the maximum number of sessions for the client The default value is 1 Specify the Expiration Date of the account The default is 2099 1 1 87 Description Enter the description for management and search purposes Up to 28 characters can be entered Status Activate or inactivate the entry MAC Binding Select a MAC Binding type from the pull down list Options include e Disable Select this option to disable the MAC Binding function e Manual Select this option to bind the account to a MAC address manually Only from the Host with this MAC address can the account log on to the server e Automatical Select this option to bind the account to the MAC address of its first login automatically Only from the Host with this MAC address can the account log on to the server MAC Address It is available when Manually is selected Enter the MAC address of the Host to bind with the account Session Timeout Enter a time after which the connection will be dropped To keep the connection always on enter 0 in the Session Timeout field The default is 48 If Enable Advanced Account Features is not selected the Session Timeout value is 0 by default gt List of Account In this table you can view the information of accounts and edit them by the Action buttons 3 5 1 4 Exceptional IP When the Dial up Acce
21. dial up status 107 Mode Ping DNS Lookup gt List of WAN status Port Detection WAN Status 3 6 5 Time 3 6 5 1 Time Detect automatically or Manually In Auto mode gateway will be selected as destination for PING detection DNS server of WAN port will be selected as destination for DNS Lookup In Manual Mode you can configure the destination for PING and DNS Lookup manually Enter the destination IP for Ping in Manual mode 0 0 0 0 means PING detection is disabled Enter the IP address of DNS server in Manual mode 0 0 0 0 means DNS Lookup is disabled Displays the detected WAN port Displays whether the Online Detection is enabled Display the detecting results System Time is the time displayed while the router is running On this page you can configure the system time and the settings here will be used for other time based functions like Access Rule PPPoE and Logs Choose the menu Maintenance Time Time to load the following page Current Time System Time Time Zone Status Config Get UTC Time Zone Primary NTP Server Manual Date 2010 02 10 00 09 13 Wed UTC 08 00 Beijing Chongging Hong Kong Urumqi Singapore Falled to get UTC UTC 08 00 Beijing Chongqing Hong Kong Urumqi Singapore secondary NTP Server N N LJ orrremm Do ES E fhhimmiss Time Figure 3 80 Time The following items are displayed on this screen
22. displayed If Static IP is selected configure the DNS If Dynamic IP is selected the obtained DNS is displayed Specify the bandwidth for transmitting packets on the port Specify the bandwidth for receiving packets on the port Displays the status of PPTP connection e Disabled indicates that the PPTP connection type is not applied e Connecting indicates that the router is obtaining the IP parameters from your ISP e Connected indicates that the router has successfully obtained the IP parameters from your ISP e Disconnected indicates that the connection has been manually terminated or the request of the router has no response from your ISP Please ensure that your settings are correct and your network is connected well Consult your ISP if this problem remains Displays the IP address assigned by your ISP Displays the IP address of your ISP s Primary DNS Displays the IP address of your ISP s Secondary DNS 26 6 BigPond If your ISP Internet Service Provider has provided the account information for the BigPond connection please choose the BigPond connection type BigPond Settings Connection Type BigPond Ww Account Mame Password Auth Server Ii Auth Domain Active Mode Manual O Always on MTU 576 1500 Upstream Bandwidth Kbps Downstream Bandwidth Kbps BigPond Status Status Disabled IP Address Subnet Mask Default Gateway
23. effect The specified application used by the specified local users will be not allowed to access the Internet if the Application Control entry is enabled gt Control Rules Object Specify the object for the entry You can select Group to limit the predefined group or select ANY to limit all the users Group If select Group as object you can select the group in the drop down list To establish new group please refer to 3 2 1 Group 82 Application Effective Time Description Status gt List of Rules Click the lt Application List gt button to select applications from the popup checkbox The applications include IM Web IM SNS P2P Media Basic and Proxy The default setting is to limit all the applications in the application list except for Basic and Proxy Specify the time for the entry to take effect Give a description for the entry Activate or inactivate the entry You can view the information of the entries and edit them by the Action buttons The first entry in Figure 3 56 indicates The group1 is applied with Application Rules You can click lt View gt to view the limited applications in the popup checkbox The effective time of this entry is 7 00 9 00 on Monday Tuesday Friday Saturday and Sunday This entry is enabled Note To set the group and group members please refer to 3 2 1 Group 3 4 5 2 Database On this page you can upgrade the application databa
24. entry in Figure 3 68 indicates TCP data received on port 12856 of the WAN port in the router will be forwarded to port 12856 in 192 168 0 101 server in LAN 4d Note e When using UPnP function make sure the UPnP is enabled for the router and the operating system and applications in the host support UPnP service e As some Trojan and viruses can open the specific port using UPnP service resulting in hacker attack on the host be careful of using UPnP service 98 3 6 Maintenance 3 6 1 Admin Setup 3 6 1 1 Administrator On this page you can modify the factory default user name and password of the router Choose the menu Maintenance gt Admin Setup Administrator to load the following page Administrator Current User Name Current Password AS a Mer User Name New Password po Contirm New Password fo Figure 3 69 Administrator The following items are displayed on this screen gt Administrator Current User Name Enter the current user name of the router Current Password Enter the current password of the router New User Name Enter a new user name for the router New Password Enter a new password for the router Confirm New Re enter the new password for confirmation Password Note e The factory default password and user name are both admin e You should enter the new user name and password when next login if the current username and password has been changed e The new user name an
25. gt button to complete Note e After upgrading the device will reboot automatically e To avoid damage please don t turn off the device while upgrading e You are suggested to backup the configuration before upgrading 3 6 3 Statistics 3 6 3 1 Interface Traffic Statistics Interface Traffic Statistics screen displays the detailed traffic information of each port and extra information of WAN ports Choose the menu Maintenance gt Statistics Interface Traffic Statistics to load the following page Interface Traffic Statistics Interface pa eee k Ae arena Us Bytes Rx Byte Bytes Tx Byte warnl 100 50 1000000000 500000000 1000000000 500000000 Wh 2 100 of 100000 50000 100000 50000 LAN E NA 22 15 2200 2150 100000 50000 mz 0 45 0 35 04650 0550 100000 50000 Advanced WAN Information Interface IP Fragments Rx Pkt Abnormal IP Packets Rx Pkt Weak 1 Z WANZ 3 4 Figure 3 76 Interface Traffic Statistics The following items are displayed on this screen gt Interface Traffic Statistics Interface Displays the interface Rate Rx Displays the rate for receiving data frames Rate Tx Displays the rate for transmitting data frames Packets Rx Displays the number of packets received on the interface Packets Tx Displays the number of packets transmitted on the interface 104 Bytes Rx Displays the bytes of packets received on the interface Bytes Tx Displays the bytes of packets transmitted on the inter
26. modifying the configuration gt Import Click the lt Browse gt button to locate the update file for the device or enter the exact path to the saved file in the text box Then click the lt Import gt button to restore the saved setting Note e To avoid any damage please don t power down the router while being restored e Configurations may be lost if the configuration file you imported varies greatly from current configurations 3 6 2 3 Reboot Choose the menu Maintenance gt Management gt Reboot to load the following page Reboot Click the button below to reboot the device Figure 3 74 Reboot Click the lt Reboot gt button to reboot the router The configuration will not be lost after rebooting The Internet connection will be temporarily interrupted while rebooting MA Note To avoid damage please don t turn off the device while rebooting 3 6 2 4 Firmware Upgrade Choose the menu Maintenance gt Management Firmware Upgrade to load the following page Firmware Upgrade Firmware Version 1 0 6 Build 20130827 Rel 50408 Upgrade Hardware Version TL ER5120 v2 0 File Bt Figure 3 75 Firmware Upgrade 103 To upgrade the router is to get more functions and better performance Go to http www tp link com to download the updated firmware Type the path and file name of the update file into the File field Or click the lt Browse gt button to locate the update file Then click the lt Upgrade
27. name for the user IP Address Enter the IP Address of the user It cannot be the network address or broadcast address of the port Description Give a description to the user for identification It s optional gt List of User In this table you can view the information of the Users and edit them by the Action buttons 3 2 3 View On this page you can configure the User View or Group View Choose the menu User Group View to load the following page View Config view User Group Group Name Group Structure Avalable Member Selected Member gt Figure 3 29 View Configuration The following items are displayed on this screen A4 gt View Config View User Name Available Group Selected Group Group Name Group Structure Available Member Selected Member 3 3 Advanced 3 3 1 NAT Select the desired view for configuration Select the name of the desired User Displays the Groups that the User can join Displays the Groups to which this User belongs Select the name of the desired Group Click this button to view the tree structure of this group All the members of this group will be displayed including Users and sub Groups The Group Names are displayed in bold Displays the Users and the Groups which can be added into this group Displays the members of this group including Users and Groups NAT Network Address Translation is the translation between pri
28. networks such as the Internet Incoming traffic is translated back for delivery within the internal network However the router will drop all the packets whose source IP addresses are in different subnet of LAN port For example If the LAN port of the router is set to 192 168 0 1 for IP address and 255 255 255 0 for the Subnet Mask 10 then the subnet of LAN port is 192 168 0 0 24 The packet with 192 168 0 123 as its source IP address can be transported by NAT whereas the packet with 20 31 76 80 as its source IP address will be dropped e Non NAT Mode In this mode the router functions as the traditional Gateway and forwards the packets via routing protocol The Hosts in different subnets can communicate with one another via the routing rules whereas no NAT is employed For example If the DMZ port of the router is in WAN mode the Hosts in the subnet of DMZ port can access the servers in Internet only when the Static router rules permit Note In Non NAT mode all the NAT forwarding rules will be disabled e Classic Mode It s the combined mode of NAT mode and Non NAT mode In Classic mode the router will first transport the packets which are compliant with NAT forwarding rules and then match the other packets to the static routing rules The matched packets will be transmitted based on the static routing rules and the unmatched ones will be dropped In this way the router can implement NAT for the packets without blocking th
29. or Password is incorrect Please check and enter it again gt List of Comexe Account In this table you can view the existing DDNS entries or edit them by the Action button 3 9 4 UPnP Devices based on UPnP Universal Plug and Play protocol from different manufacturer can automatically discover and communicate with one another 97 If UPnP groupware are installed in the host in LAN and UPnP function is enabled for the router the host in LAN can automatically open the corresponding port to allow the UPnP application in WAN to access the resource of the host in LAN via this port so that the functions limited to NAT can work normally For example MSN Messenger installed in Windows XP and Windows ME system is using UPnP protocol when audio and video communications are processing On this page you can configure UPnP service Choose the menu Services UPnP to load the following page General UPnP Function Enable Disable List of UPnP Mapping Mo Description Protocol IF Address External Part Internal Port Status 1 hostl TCF 192 165 0 101 12556 12556 Active Figure 3 68 UPnP The following items are displayed on this screen gt General UPnP Function Enable or disable the UPnP function globally gt List of UPnP Mapping Action x After UPnP is enabled all UPnP connection rules will be displayed in the list of UPnP Mapping Up to 64 UPnP service connections are supported in TL ER5120 The NO 1
30. pa o En pi E Us Bytes Rx Byte Bytes Tx Byte WY ATL Soest 1 095 32470 3035 0069554 1052293105 Wah 2 O O O 192 o o9136 LAM O O 1296 155603 4991716 14113055 DM O 0 46 10939 10672 ab23rb1 2977453 Advanced WAN Information Interface IP Fragments Rx Pkt Abnormal IP Packets Rx Pkt WAMI O O A Ez O O Figure 4 18 Interface Traffic Statistics Load the IP Traffic Statistics page and Check the box before Enable IP Traffic Statistics and Enable Auto refresh then click the lt Save gt button to apply Select the data direction the corresponding IP traffic statistics will display in the Statistics table as Figure 4 19 shows 123 General Enable IP Traffic Statistics Enable Auto refresh Traffic Statistics Direction LAN DMZ gt WA4N1 LAN DM2 gt WaAN1 Statistics Transmiting Rate KB s Packets Rate Pet s Total Packets Pkt Total Bytes Byte IP Address Sessions Upstream Downstream Upstream Downstream Upstream Downstream Upstream Downstream 192 168 0 2 0 0 0 0 5091 4793 4245126 1153344 0 192 168 0 3 o 0 0 0 1493 3042 156574 392403 2 192 166 5 100 0 85 0 64 10 5 5 19 10930 10853 5619630 4311746 32 Sorted by IF address Increasing Order Figure 4 19 IP Traffic Statistics After all the above steps the enterprise network will be operated based on planning 124 Chapter 5 CLI TL ER5120 provides a Console port for CLI Command Line Interface configuration which enables you to config
31. such as 8690 8696 e The router supports up to 16 Port Triggering entries Each entry supports at most 5 groups of trigger ports and overlapping between the ports is not allowed e Each entry supports at most 5 groups of incoming ports and the sum of incoming ports you set for each entry should not be more than 100 gt List of Rules In this table you can view the information of the entries and edit them by the Action buttons The first entry in Figure 3 34 indicates that This is a Port Triggering entry named host1 When the LAN host initiates a TCP request via port of 5354 the incoming port 5355 will open for TCP and UDP protocol This entry is activated 3 3 1 6 ALG Some special protocols such as FTP H 323 SIP IPsec and PPTP will work properly only when ALG Application Layer Gateway service is enabled 53 Choose the menu Advanced NAT ALG to load the following page ALG FTP ALG H 323 ALG SIP ALG IPsec ALG PPTP ALG 0000 Enable Disable Enable Disable Enable Disable Enable Disable Enable Disable Figure 3 35 ALG The following items are displayed on this screen gt ALG FTP ALG H 323 ALG SIP ALG IPsec ALG PPTP ALG 3 3 2 Traffic Control Traffic Control functions to control the bandwidth by configuring rules for limiting various data flows In Enable or disable FTP ALG The default setting is enabled It is recommended to keep t
32. the bulletin Select the object of this bulletin Options include e ANY The bulletin will be released to all the users and the PCs on the LAN e Group The bulletin will be released to the users in the selected group You can click lt L_ _ gt button to add a group to the selected group and click lt l_s gt to remove a group from the selected group Group is created on User Group gt Group page Specify the effective time for the bulletin Only one bulletin can be set for the object at the same time Enter the name of the bulletin s publisher Enter the description for the bulletin Activate or inactivate the entry In this table you can view the existing bulletins and edit them by the Action button The No 1 entry in Figure 3 63 indicates this bulletin is released by the administrator and it is released to the Group1 from 8am to 20pm on Thursday and Friday every a bulletin interval the interval in the figure is 30 min This entry is enabled Tips For the configuration for groups and users please refer to the User Group section 3 5 3 Dynamic DNS DDNS Dynamic DNS service allows you to assign a fixed domain name to a dynamic WAN IP address which enables the Internet hosts to access the router or the hosts in LAN using the domain names 91 As many ISPs use DHCP to assign public IP addresses in WAN the public IP address assigned to the client is unfixed In this way it s very diffi
33. transferring username and password in plain text in the network is used in a less secured network e CHAP is more secured for it adopts three handshakes and does not transfer password in plain text e MS CHAP put forward by Microsoft adopts a different encryption algorithm of CHAP e MS CHAP v2 with a higher security is an improved version of MS CHAP It is available when Remote Authentication is selected RADIUS Remote Authentication Dial In User Service provides an authentication for dial up users Enter the Radius Server address for Remote authentication Enter the Shared Key for Remote authentication It should be the same to the shared key of the Radius Server 3 5 1 2 IP Address Pool On this page you can define or edit the IP Address Pool Choose the menu Services gt PPPoE Server IP Address Pool to load the following page 85 IP Address Pool Pool Name fo IP Address Range pp List of IP Pool Clear Help Mo Pool Name IF Address Range Action Pi addi 10 20 1 100 10 20 1 199 eg NY Figure 3 59 IP Address Pool The following items are displayed on this screen gt IP Address Pool Pool Name Specify a unique name to the IP Address Pool for identification and management purposes IP Address Range Specify the start and the end IP address for IP Pool The start IP address should not exceed the end address and the IP address ranges must not overlap gt List of IP Pool In this table
34. usere Offline Fd O Figure 3 66 PeanutHull DDNS The following items are displayed on this screen gt PeanutHull DDNS Account Name Enter the Account Name of your DDNS account If you have not registered click lt Go to register gt to go to the website of PeanutHull for register Password Enter the password of your DDNS account DDNS Service Activate or inactivate DDNS service here WAN Port Displays the WAN port for which PeanutHull DDNS is selected Service Type Displays the DDNS service type including Professional service and Standard service 95 DDNS Status Domain Name Displays the current status of DDNS service e Offline DDNS service is disabled e Connecting client is connecting to the server e Online DDNS works normally e Authorization fails The Account Name or Password is incorrect Please check and enter it again Displays the domain names obtained from the DDNS server Up to 16 domain names can be displayed here gt List of PeanutHull Account In this table you can view the existing DDNS entries or edit them by the Action button 3 5 3 4 Comexe On this page you can configure Comexe DDNS client Choose the menu Services Dynamic DNS Comexe to load the following page Comexe DONS Account Mame Password Domain Name 1 Domain Name 2 Domain Name 3 Domain Mame 4 Domain Name 5 DONS Service WAN Port CONS Status List of Comexe Ac
35. 0 20 1 100 40 61 86 FC T5 C3 2Hour 45Min LAN Figure 3 62 List of Account Figure 3 62 displays the connection information of PPPoE users Click to disconnect the account Click the lt Disconnect All gt button to disconnect all accounts 89 3 5 2 E Bulletin With E Bulletin function bulletin information can be released to the specified users On this page you can edit the bulletin content and specify the receiving user group Choose the menu Services E Bulletin to load the following page General Enable E Bulletin Interval Min Enable Logs E Bulletin Title E SA Object Group ANY Available Group Selected Group Groupl Group Effective Time 00 00 Sun vw Mon w Tue e wed Thu v Fri e Sat Publisher A Description f Optional Status Activate Inactivate List of E Bulletin Mo Title Object Effective Time Publisher Description Action 08 00 20 00 Administ a a F i Notice Groupi l nce FOON Thu Fri rator Figure 3 63 E Bulletin The following items are displayed on this screen gt General Enable E Bulletin Specify whether to enable electronic bulletin function Interval Specify the interval to release the bulletin 90 Enable Logs gt E Bulletin Title Content Object Effective Time Publisher Description Status gt List of E Bulletin Specify whether to log the E Bulletin Enter a title for the bulletin Enter the content of
36. 2 166 1 101 00 19 66 83 53 CF ot 2 197 166 1 102 00 19 66 83 53 CE E 3 192 166 1 101 00 19 66 83 53 F2 E Figure 3 49 ARP List The configurations for the entries is the same as the configuration of List of Scanning Result on 3 4 1 2 ARP Scanning page The unbound IP MAC information will be replaced by new IP MAC information or be automatically removed from the list if it has not been communicated with others for a long time This period is regarded as the aging time of the ARP information 3 4 2 Attack Defense With Attack Defense function enabled the router can distinguish the malicious packets and prevent the port scanning from external network so as to guarantee the network security Choose the menu Firewall Attack Defense Attack Defense to load the following page 73 General Flood Defense Multi connections TCP SYN Flood Multi connections UDP Flood Multi connections ICMP Flood Stationary source TOP SYN Flood Stationary source UDP Flood Stationary source ICMP Flood Packet Anomaly Defense Threshold Threshold Threshold Threshold Threshold Threshold 3000 Plts Pts soo Pktis Pkt s Pkt s 200 Pkt s lt e el El El E Block Fragment Traffic Block TCP Sean Stealth FIN smas Mull Block Ping of Death Block Large Ping Block WinNuke attack Block Ping from WAM Block TCP packets with SYN and FIN Bits set Block TCP packets with FIN Bit set but no ACE Bit set Block
37. 3 192 168 1 105 00 19 66 83 53 F2 z 4 192 165 1 104 00 19 66 62 94 4D o 192 168 1 105 00 19 66 83 94 64 Figure 3 48 ARP Scanning Enter the start and the end IP addresses in the Scanning IP Range field Then click the lt Scan gt button the router will scan all the active hosts within the scanning range and display the result in the list The entries displayed on the List of Scanning Result do not mean the IP and MAC addresses are already bound The current status for the entry will display in the Status field Indicates that the IP and MAC address of this entry is not bound and may be replaced by error ARP information 4 Indicates that this entry is imported to the list on IP MAC Binding page but not effective yet 5 Indicates that the IP and MAC address of this entry is already bound To bind the entries in the list check these entries and click the lt Import gt button then the settings will take effect if the entries do not conflict with the existed entries Ad Note If the local hosts suffered from ARP attack you cannot add IP MAC Binding entries on this page Please add entries manually on 3 4 1 1 IP MAC Binding 3 4 1 3 ARP List On this page the IP MAC information of the hosts which communicated with the router recently will be saved in the ARP list Choose the menu Firewall gt Anti ARP Spoofing ARP List to load the following page 72 ARP List No IP Address MAC Address Status 1 19
38. 54 Hel Figure 4 12 ARP Scanning Turn on all the hosts that need to be bound Then click the lt Scan gt button the scanning result will display as below 119 Scanning Result No IF Address Mac Address Status F 1 192 168 0 2 40 61 5 6 FE 75 123 F E 192 168 0 3 40 61 56 FE 75 B9 Figure 4 13 Scanning Result Choose the menu Firewall Anti ARP Spoofing IP MAC Binding to load the configuration page Select the ARP entries needed to be bound or click the lt Select All gt button and then click the lt Import gt button The ARP List will display as the following figure shows ARP List No IP Address MAC Address Status F 1 192 168 5 100 40 61 686 FL 3 42 F E 192 168 0 2 40 61 86 FL 5 C3 F J 192 168 0 3 40 61 86 FL 5 B49 Figure 4 14 ARP List 2 Set IP MAC Binding Entry Manually Configure the IP MAC Binding entry manually and add it to ARP List Choose the menu Firewall Anti ARP Spoofing IP MAC Binding to load the configuration page To add the host with IP address of 192 168 1 20 and MAC address of 00 11 22 33 44 aa to the list you can follow the settings below Settings IP Address 192 168 0 20 MAC Address 00 11 22 33 44 aa Status Activate Click the lt Add gt button to apply The other entries can be added in the same way 3 Set Attack Defense Choose the menu Firewall Anti ARP Spoofing IP MAC Binding to load the configuration page Select all the items for General and set the GARP pac
39. AT MRAM BATRES E m ce BORE Se A eT EIA TIE HA HS an nee fie SERRE A Re ee Re CEU PA er BF Be A Ea AA o This product can be used in the following countries CONTENTS Package CONG miss ro aia 1 Chapter 1 About this Guide inci taas 2 1 1 INtendea Reader sitiada 2 liz CONVENIOS aia riada 2 1 3 Overview OF this Guide omic ii ii a A 2 Chapter 2 Introduction ido 4 2 1 Overview OF the Rol ci ie tech te Sed Peete del a E occa aeoed sac 4 2 2 FS AU CG nas cps Sisa 5 2 9 PAODGARAINCE seai isos 6 2 3 1 TOU I Qn elote O 6 2 3 2 FS AT AN Waring eth gs ase ee ede enone aa eae dea 7 Chapter 3 C ONTOUN ALON ina par 8 3 1 ING DW ORI A A e a O 8 3 1 1 n gt E 10 e Rae POE O oe te eee eee eee 8 3 1 2 VS E VO APA antics cneeeee eaeeannasens oe 9 3 1 3 e eat 11 3 1 4 HAN O ct oats dank Reet nc decade at tuhetae nature Natio d hs chorea nedauaiee ect oer ch aans 29 3 1 5 PNZ a toe a fe aa Oe EC eR 33 3 1 6 MACAU OS oe eee eee Rt ee ene ere ee a iia 34 Soll SA A 36 3 2 e E O A gente eee ae 42 3 2 1 OUI iat te hats T A 43 3 2 2 SC A E EE AANE E E EE mans Sune E E S EE EE A E EE 43 3 2 3 E o E O Narre tere Rue carenGee i 44 99 e ple o AAA a ape alah maveaidaah dl coated sedoedandeloaanty dain araau eek Os 45 3 3 1 LY A ene eter eee ce ee oe oe er eee tee eee ee meee EE ree T ee 45 3 3 2 Ms A A E 54 O A A A Ro Ove eee T Oe Meee 58 3 3 4 o A Te Tee 59 399 0 E 64 3 4 FING Wall A A adwiak sana teem avard tears Gna t
40. Address Displays the IP address assigned by your ISP Subnet Mask Displays the Subnet Mask assigned by your ISP Gateway Address Displays the Gateway Address assigned by your ISP Primary DNS Displays the IP address of your ISP s Primary DNS Secondary DNS Displays the IP address of your ISP s Secondary DNS 16 3 PPPoE If your ISP Internet Service Provider has provided the account information for the PPPoE connection please choose the PPPoE Russian PPPoE connection type Used mainly for DSL Internet service PPPoE Settings Connection Type PPPoE Russian PPPoE PPPoE Connection Account Name Password eee Active Mode Manual always on Time based Active Time o 0 HH MM so HH MM PPPoE Advanced Settings Keep Alive Interval O 0 120 second O for not sending Keep Alive Retry Times 1 30 MTL 576 1492 Static IP Optional Service Mame fo Fill in only when required Primary DNS Secondary DNS Optional Secondary Connection Connection Type Dynamic IP IP Address alia ee a Subnet Address 255 255 255 0 Status Connecting Upstream Bandwidth Kbps Downstream Bandwidth Kbps PPPoE Status Status Disconnected IP Address 116 10 20 28 Default Gateway 116 10 20 1 Primary DNS 11 162 76 1 Secondary DNS 11 162 6 2 Figure 3 9 WAN PPPoE The following items are displayed on this screen 7 gt PPPoE Settings Connection Type
41. C cord or with Ground Cable Note Please use only the power cord provided with this router Chapter 3 Configuration 3 1 Network 3 1 1 Status The Status page shows the system information the port connection status and other information related to this router Choose the menu Network Status to load the following page Device Info Firmware Version Hardware Version System Time System Time 1 0 6 Build 20130827 Rel 50408 TL ER5120 w2 0 2011 11 10 14 33 10 Thursday Running Time a Min 29 Sec WAN WANI Link Up We AK Link Down Primary Connection Dynamic IP Primary Connection Dynamic IP Status Connected Status Connecting IF Address 192 168 1 100 IF Address 0 0 0 0 Subnet Mask 255 255 255 0 Subnet Mask 0 0 0 0 Gateway 1927 166 1 1 Gateway 0 0 0 0 MAC Address secondary Connection Status IF Address Subnet Mask 40 61 06 FC 5 03 MAC Address Secondary Connection status IF Address Subnet Mask 00 14 75 00 01 5 MAN Nea Wo Wet MA Primary Connection Dynamic IP Primary Connection Dynamic IP Status Disabled Status Disabled IF Address 0 0 0 0 IF Address 0 0 0 0 Subnet Mask 0 0 0 0 Subnet Mask 0 0 0 0 Gateway 0 0 0 0 Gateway 0 0 0 0 MAC Address secondary Connection Status IF Address Subnet Mask 00 14 75 00 01 54 MAC Address Secondary Connection status IF Address Subnet Mask 00 14 75 00 01 58 LAN fDMZ Interface IP Address Subnet Mas
42. Figure 3 12 WAN Bigpond The following items are displayed on this screen gt BigPond Settings Connection Type Select BigPond if your ISP provides a BigPond connection Click lt Connect gt to dial up to the Internet and obtain the IP address Click lt Disconnect gt to disconnect the Internet connection and release the current IP address Account Name Enter the Account Name provided by your ISP If you are not clear please consult your ISP Password Auth Server Auth Domain Auth Mode MTU Upstream Downstream Bandwidth gt BigPond Status Status Enter the Password provided by your ISP If you are not clear please consult your ISP Enter the address of authentication server It can be IP address or server name Enter the domain name of authentication server It s only required when the address of Auth Server is a server name You can select the proper Active mode according to your need e Manual Select this option to manually activate or terminate the Internet connection by the lt Connect gt or lt Disconnect gt button It s optimum for the dial up connection charged on time e Always on Select this option to keep the connection always on The connection can be re established automatically when it is down MTU Maximum Transmission Unit is the maximum data unit transmitted by the physical network It can be set in the range of 576 1500 The default MTU is 1500 Speci
43. M Backup WAN Mode Effective Time Status Action No entries Figure 4 4 Link Backup 114 4 2 2 Network Management To manage the enterprise network effectively and forbid the Hosts within the IP range of 192 168 0 30 192 168 0 50 to use IM P2P application you can set up a User Group and specify the network bandwidth limit and session limit for this group The detailed configurations are as follows 4 2 2 1 User Group Create a User Group with all the Hosts in the IP range of 192 168 0 30 192 168 0 50 as its group members e Group Choose the menu User Group Group to load the following page Enter the Group Name and the Description to create a Group as the following figure shows Group Config oe 1 28 Char Description IM P2P Blocking Optional 1 28 Char Help Figure 4 5 Group Config e User Choose the menu User Group User to load the configuration page Click the lt Batch gt button to enter the batch processing screen Then continue with the following settings Settings Action Add Start IP Address 192 168 0 30 End IP Address 192 168 0 50 Prefix Username User Start No 1 Step 1 Click the OK button to add the Users in bulk 115 User Name Action Add w Add IP Address Start IP Address 1192 168 0 30 End IP Address 1927 168 0 50 Prefix Username Description No Lo Step T IO CIIS Figure 4 6 User Config Batch o View Choose the menu User Group View to l
44. MTU Maximum Transmission Unit is the maximum data unit transmitted by the physical network It can be set in the range of 576 1500 The default MTU is 1500 It is recommended to keep the default value if no other MTU value is provided by your ISP The broadcast requirement may not be supported by a few ISPs Select this option if you can not get the IP address from your ISP even with a normal network connection This option is not required generally Select this option to enter the DNS Domain Name Server address manually Enter the IP address of your ISP s Primary DNS Domain Name Server If you are not clear please consult your ISP Optional If a Secondary DNS Server address is available enter it Specify the bandwidth for transmitting packets on the port Specify the bandwidth for receiving packets on the port 15 gt Dynamic IP Status Status Displays the status of obtaining an IP address from your ISP e Disabled indicates that the Dynamic IP connection type is not applied e Connecting indicates that the router is obtaining the IP parameters from your ISP e Connected indicates that the router has successfully obtained the IP parameters from your ISP e Disconnected indicates that the IP address has been manually released or the request of the router gets no response from your ISP Please check your network connection and consult your ISP if this problem remains IP
45. P Internet Protocol ISP Internet Service Provider IKE Internet Key Exchange IPsec IP Security LAN Local Area Network H 323 allows dissimilar communication devices to communicate with each other by using a standardized communication protocol H 323 defines a common set of CODECs call setup and negotiating procedures and basic data transport methods The protocol used by Web browsers and Web servers to transfer files such as text and graphic files Network layer Internet protocol that reports errors and provides other information relevant to IP packet processing Largest global Internetwork connecting tens of thousands of networks worldwide and having a culture that focuses on research and standardization based on real life use Network layer protocol in the TCP IP stack offering a connectionless Internetwork service IP provides features for addressing type of service specification fragmentation and reassembly and security Company that provides Internet access to other companies and individuals IKE establishes a shared security policy and authenticates keys for services such as IPSec that require keys Before any IPSec traffic can be passed each router firewall host must verify the identity of its peer A framework of open standards that provides data confidentiality data integrity and data authentication between participating peers High speed low error data network coveri
46. P SYN Flood Threshold 1000 Pkt s Stationary source UDP Flood Threshold Pkty s Stationary source ICMP Flood Threshold 200 Pkt s Packet Anomaly Defense Block Fragment Traffic Block TCP Scan Stealth FIN mas Mull Block Ping of Death Block Large Ping Block WinMNuke attack Block Ping from Wan Block TCP packets with SYN and FIN Bits set Block TCP packets with FIN Bit set but no ACK Bit set Block IP options Security Option Loose Source Route Option Strict Source Route Option Record Route Option Stream Option Timestamp Option Mo Operation Option Log Enable Attack Defense Logs Figure 4 16 Attack Defense 4 2 3 4 Traffic Monitoring 1 Port Mirror Choose the menu Network Switch Port Mirror to load the configuration page Check the box before Enable Port Mirror and select the Ingress amp Egress mode Select the Port 5 for the Mirroring Port and the Port 3 and the Port 4 for the Mirrored ports Click the lt Save gt button to apply 122 Statistics Port Mirror Mi Port Config Port Status Port VLAN General Enable Port Mirror Mode Ingress Egress Port Mirror Port Mirroring Port Mirrored Port 1 O L 2 O L 3 O 4 O 5 Figure 4 17 Port Mirror 2 Statistics Choose the menu Maintenance Statistics to load the page Load the Interface Traffic Statistics page to view the traffic statistics of each physical interface of the router as Figure 4 18 shows Interface Traffic Statistics Interface
47. Session Limit The amount of TCP and UDP sessions supported by the router is finite If there are some local hosts transmitting too many TCP and UDP sessions to the public network the communication quality of the other local hosts will be affected thus it is necessary to limit the sessions of those hosts 3 3 3 1 Session Limit On this page you can configure the session limit to specified PCs Choose the menu Advanced gt Session Limit Session Limit to load the following page General Enable Session Limit Save Session Limit Max Sessions 30 1000 Description OS Optional Status Activate Inactivate Clear Help List of Session Limit Mo Group Max Sessions Status Description Action O i Groupi 100 Active hosti Oe Figure 3 38 Session Limit The following items are displayed on this screen gt General Enable Session Check here to enable Session Limit otherwise all the Session Limit Limit entries will be disabled 58 gt Session Limit Group Select a group to define the controlled user Max Sessions Enter the max Sessions for the users Description Give a description for the entry Status Activate or inactivate the entry gt List of Session Limit You can view the information of the entries and edit them by the Action buttons The first entry in Figure 3 38 indicates The amount of maximum sessions for the hosts within group is 100 and this entry is enabled Sessio
48. Settings Connection Type Account Name Password Server IP MTU Active Mode Secondary Connection Connection Type Select L2TP Russian L2TP if your ISP provides a L2TP connection Click lt Connect gt to dial up to the Internet and obtain the IP address Click lt Disconnect gt to disconnect the Internet connection and release the current IP address Enter the Account Name provided by your ISP If you are not clear please consult your ISP Enter the Password provided by your ISP Enter the Server IP provided by your ISP MTU Maximum Transmission Unit is the maximum data unit transmitted by the physical network It can be set in the range of 576 1460 The default MTU is 1460 It is recommended to keep the default value if no other MTU value is provided by your ISP You can select the proper Active Mode according to your need e Manual Select this option to manually activate or terminate the Internet connection by the lt Connect gt or lt Disconnect gt button It is optimum for the dial up connection charged on time e Always on Select this option to keep the connection always on The connection can be re established automatically when it is down Here allows you to configure the secondary connection Dynamic IP and Static IP connection types are provided Select the secondary connection type Options include Disable Dynamic IP and Static IP f P IP Address Subnet Mas
49. TP LINK gt ip get lan Lan Ip LAA el Lan Mask 25 200 250 U TP LINK ip set lan address 192 168 0 20 TP LINK ip set lan mask 255 255 0 0 5 4 2 Ip mac Get the configuration information of LAN port Set the LAN IP address of the router as 192 168 0 20 Operation succeeded Indicates the operation is successful It will be prompted if an error occurs Set the LAN subnet mask of the router as 255 255 0 0 The ip mac command is used to view or configure the current IP MAC Binding mode View command can be used in both User EXEC Mode and Privileged EXEC Mode while configuration function can be only used in Privileged EXEC Mode The IP MAC Binding mode includes two types normal mode and restrict mode TP LINK gt ip mac get mode Ip mac Bind Mode normal TP LINK ip mac set mode restrict 131 Get the current IP MAC binding mode Set the current IP MAC binding mode to restrict mode 5 4 3 sys The sys command is used for system management including Backup and Restore Factory Default Reboot Firmware Upgrade and so on TP LINK sys reboot Reboot the system Y means YES N means NO This command will reboot system Continue Y N TP LINK sys restore Restore to factory default Y means YES N means NO This command will restore system Continue Y N TP LINK sys export config Export the configuration file Server address 192 168 1 101 192 168 1 100 Example There
50. This Guide Introduces the guide structure and conventions Chapter 2 Introduction Introduces the features and appearance of TL ER5120 router Chapter 3 Configurations Introduces how to configure the router via Web management page Chapter 4 Application Introduces the practical application of the router on the enterprise network Chapter5 CLI Introduces how to log in and set up the router using CLI commands by console port 2 Appendix A Hardware Lists the hardware specifications of this router Specifications Appendix B FAQ Provides the possible solutions to the problems that may occur during the installation and operation of the router Appendix C Glossary Lists the glossary used in this guide Chapter 2 Introduction Thanks for choosing the Gigabit Load Balance Broadband Router TL ER5120 2 1 Overview of the Router The Gigabit Load Balance Broadband Router TL ER5120 from TP LINK possesses excellent data processing capability and multiple powerful functions including Load Balance Access Control Bandwidth Control Session Limit IM P2P Blocking PPPoE Server and so on which consumedly meet the needs of small and medium enterprise hotels and communities with volumes of users demanding a efficient and easy to manage network with high security Powerful Data Processing Capability Built in MIPS64 network processor and 128MB DDRII high speed RAM allows the stability and reliability for operation Online Behavior Manag
51. Wo AY T MA C ethi Wh 0 MA C etho LAN 0 192 166 0 2 Goh eth LAN 192 168 0 2 GSM eth LAN 0 AAA E eth5 DMZ 0 Figure 3 46 RIP The following items are displayed on this screen gt Route Table Destination Gateway Flags Logical Interface Physical Interface The Destination of route entry The Gateway of route entry The Flags of route entry The Flags describe certain characteristics of the route The logical interface of route entry The physical interface of route entry 69 Metric The Metric of route entry 3 4 Firewall 3 4 1 Anti ARP Spoofing ARP Address Resolution Protocol is used to analyze and map IP addresses to the corresponding MAC addresses so that packets can be delivered to their destinations correctly ARP functions to translate the IP address into the corresponding MAC address and maintain an ARP Table where the latest used IP address to MAC address mapping entries are stored ARP protocol can facilitate the Hosts in the same network segment to communicate with one another or access to external network via Gateway However since ARP protocol is implemented with the premise that all the Hosts and Gateways are trusted there are high security risks during ARP Implementation Procedure in the actual complex network The attacker may send the ARP spoofing packets with false IP address to MAC address mapping entries and then the device will automatically update the ARP table
52. able URL Filtering and select a filtering rule based on the actual situation gt URL Filtering Rule Object Select the range in which the URL Filtering takes effect e Group URL Filtering will take effect to all the users in group e ANY URL Filtering will take effect to all the users 76 Mode Select the mode for URL Filtering Keywords indicates that all the URL addresses including the specified keywords will be filtered URL Path indicates that the URL address will be filtered only when it exactly matches the specified URL Effective Time Specify the time for the entry to take effect Description Give a description for the entry gt List of Rules You can view the information of the entries and edit them by the Action buttons Application Example Network Requirements Prevent the local hosts from accessing Internet website www aabbcc com anytime and downloading the files with suffix of exe at 8 00 20 00 from Monday to Friday Configuration Procedure Select Keywords mode and type exe in the field select URL mode and type www aabbcc com as the following figure shows then specify the effective time and click the lt Add gt button to make the setting take effect General Enable URL Filtering Permit URL listed below and deny the rest Deny URL listed below and permit the rest URL Filtering Rule Object Group ANY Mode Keywords URL Path Effect
53. after receiving wrong ARP packets which results in a breakdown of the normal communication Thus ARP defense technology is generated to prevent the network from this kind of attack 3 4 1 1 IP MAC Binding IP MAC Binding functions to bind the IP address MAC address of the host together and only allows the Hosts matching the bound entries to access the network Choose the menu Firewall Anti ARP Spoofing IP MAC Binding to load the following page General Enable ARF Spoofing Defense one Save Permit the packets matching the IP MAC Binding entries only Send GARP packets when ARP attack is detected Interval 100 ms Enable ARP logs IP MAC Binding IP Address MAC Address Cs KK KK K RK R Description OS Optional Status Activate Inactivate List of Rules Ho IF Address MAC Address Status Description Action O i 192 168 0 101 00 19 66 83 53 CF Active hosti fOr Figure 3 47 IP MAC Binding 70 The following items are displayed on this screen gt General It is recommended to check all the options You should import the IP and MAC address of the host to List of IP MAC Binding and enable the corresponding entry before enabling Permit the packets matching the IP MAC Binding entries only When suffered ARP attack the correct ARP information will be sent to the device suffering attack initiatively by GARP Gratuitous ARP packets thus the error ARP information of the device will be repla
54. ayout With the business development of the company it s required to establish an effective safe and stable network with low cost for this company The detailed requirements are as follows gt Internet Access This company has terminated the dedicated line access service but maintained one dedicated line as the backup line and has applied a high bandwidth Fiber Access as the main line gt Network Management To avoid some of the staff using IM P2P application at the working time to occupy a lot of network bandwidth it s required to implement the online behavior management and to specify the network bandwidth limit for each staff member gt Network Security This enterprise network should be able to defend the common attacks from the internal or the external network such as ARP Attack and DoS Attack Moreover the real time monitoring on the network traffic is required 4 2 Configurations You can configure the router via the PC connected to the LAN port of this router To log in to the router the IP address of your PC should be in the same subnet of the LAN port of this router The default subnet of LAN port is 192 168 0 0 24 The IP address of your PC can be obtained automatically or configured manually 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 In the login window enter admin for the User Name an
55. bscriber Line ESP Encapsulating Security Payload FTP File Transfer Protocol Application Level Gateway ALG is application specific translation agent that allows an application on a host in one address realm to connect to its counterpart running on a host in different realm transparently Internet protocol used to map an IP address to a MAC address A security protocol that provides data authentication and optional anti replay services AH is embedded in the data to be protected a full IP datagram The capability of assigning a fixed host and domain name to a dynamic Internet IP address A protocol that automatically configure the TCP IP parameters for the all the PCs that are connected to a DHCP server A Demilitarized Zone allows one local host to be exposed to the Internet for a special purpose service such as Internet gaming or videoconferencing An Internet Server that translates the names of websites into IP addresses A technology that allows data to be sent or received over existing traditional phone lines Security protocol that provides data privacy services optional data authentication and anti replay services ESP encapsulates the data to be protected Application protocol part of the TCP IP protocol stack used for transferring files between network nodes 139 e ppesepson HTTP Hypertext Transfer Protocol ICMP Internet Control Messages Protocol Internet I
56. cannot access the router even after restoring the router to its defaults or your login is dropped down just after a while it s quite possible that your router is attacked by ARP cheating It s recommended to locate and quarantine the source of ARP cheating so as to prevent your network from the attacks 5 Check to see if you have configured the proxy server for IE browser If so please disable the IE proxy server first Q2 What can do if forgot the username and the password of the router How to restore the router to its factory default settings You can restore the router to its factory default settings by the Reset button It must be noted that once the router is reset all the current configuration settings will be lost With the router powered on use a pin to press and hold the Reset button for about 5 10 seconds After the M1 LED is solid light for 2 5 seconds release the Reset button When the M1 and M2 LEDs flash simultaneously for about one second the router is restored successfully The default management address of the router is http 192 168 0 1 and the default username and the password are both admin 137 Q3 What can do if the router with the remote management function enabled cannot be accessed by the remote computer 1 Make sure that the IP address of the remote computer is in the subnet allowed to remotely access the router 2 If the routers management port has been modified please log in
57. ced You can set the packets sending rate in the Interval field Check the box before Enable ARP Logs and the router will send ARP logs to the specified server The IP address of server is the Server IP set on 3 6 6 Logs gt IP MAC Binding IP Address Enter the IP Address to be bound MAC Address Enter the MAC Address corresponding to the IP Address Description Give a description for the entry Status Activate or inactivate the entry gt List of Rules You can view the information of the entries and edit them by the Action buttons The first entry in Figure 3 47 indicates The IP address of 192 168 1 101 and MAC address of 00 19 66 83 53 CF have been bound and this entry is activated Note If all the entries in the binding list are disabled and Permit the packets of IP MAC Binding entries only option is selected and saved the WEB management page of the router cannot be login At the moment you should restore the router to factory default and login again 3 4 1 2 ARP Scanning ARP Scanning feature enables the router to scan the IP address and corresponding MAC address and display them on the List of Scanning Result Choose the menu Firewall Anti ARP Spoofing ARP Scanning to load the following page 71 General Scan Scanning IF Range 192 168 1 100 192 168 1 200 Scanning Result No IP Address MAC Address Status 1 192 168 1 101 00 19 66 83 53 CF A 2 192 168 1 10 2 00 19 66 83 53 D4 E
58. count Vit AR Account Name 1 userl E UserZ Go to register bess Optional Optional Optional optional Activate Inactivate WAR 1 Offline Domain Name userl gozip cn User gozip cn Figure 3 67 Comexe DDNS The following items are displayed on this screen 96 Status Offline Offline Action f 9 f O gt Comexe DDNS Account Name Password Domain Name 1 Domain Name 2 Domain Name 3 Domain Name 4 Domain Name 5 DDNS Service WAN Port DDNS Status Enter the Account Name of your DDNS account If you have not registered click lt Go to register gt to go to the website of Comexe for register Enter the password of your DDNS account Enter the Domain Name that you registered with your DDNS service provider Optional Enter the Domain Name that you registered with your DDNS service provider Optional Enter the Domain Name that you registered with your DDNS service provider Optional Enter the Domain Name that you registered with your DDNS service provider Optional Enter the Domain Name that you registered with your DDNS service provider Activate or inactivate DDNS service here Displays the WAN port for which Comexe DDNS is selected Displays the current status of DDNS service e Offline DDNS service is disabled e Connecting client is connecting to the server e Online DDNS works normally e Authorization fails The Account Name
59. creen gt Service Name Enter a name for the service The name should not be more than 28 characters The name will display in the drop down list of Protocol on Access Rule page Protocol Select the protocol for the service The system predefined protocols include TCP UDP and TCP UDP Dest Port Enter the start and end ports to make a destination port range for the service The start port number cannot be greater than the end port number gt List of Service You can view the information of the entries and edit them by the Action buttons Note The service types predefined by the system cannot be modified 81 3 4 5 App Control 3 4 5 1 Control Rules On this page you can enable the Application Rules function Choose the menu Firewall gt App Control gt Control Rules to load the following page General Enable Application Control Save Control Rules Object Group ANY Group Clear Application Application List Help Effective Time oo 00 24 00 Sun vw Mon e Tue v wed we Thu v Fri we Sat Description Optional Status Activate Inactivate List of Rules Mo Object e Effective Time Status Description Action o 00 09 00 Pl i group View Active g ON sun Mon Tue Fri Figure 3 56 Application Rules The following items are displayed on this screen gt General Check the box before Enable Application Control to make the Application Control function take
60. cult for other clients to get the latest IP address of this client for access DDNS Dynamic DNS server provides a fixed domain name for DDNS client and maps its latest IP address to this domain name When DDNS server works DDNS client informs the DDNS server of the latest IP address the server will update the mappings between the domain name and IP address in DNS database Therefore the users can use the same domain name to access the DDNS client even if the IP address of the DDNS client has changed DDNS is usually used for the Internet users to access the private website and FTP server both of which are established based on Web server The router as a DDNS client cannot provide DDNS service Prior to using this function be sure you have registered on the official websites of DDNS service providers for username password and domain name TL ER5120 router offers PeanutHull DDNS client Dyndns DDNS client NO IP DDNS client and Comexe DDNS client The Dynamic DNS can be implemented on DynDNS DDNS No IP DDNS Peanuthull DDNS and Comexe DDNS pages 3 5 3 1 DynDNS On this page you can configure DynDNS client Choose the menu Services gt Dynamic DNS DynDNS to load the following page DynDNS Account Mame Go to register Password Domain Marne useri dyndns info DONS Service Activate 0 Inactivate War Port Mar 1 DONS Status Offline List of DynDNS Account Wh Account Name Domain Name Status Action 1 userl u
61. d Password both in lower case letters Then click the lt Login gt button to log into the router Tips If the LAN IP address is changed you must use the new IP address to log into the router 4 2 1 Internet Setting You can connect the Fiber Optic Modem and the dedicated line to the WAN1 port and the WAN2 port separately Suppose both the two connections are the Static IP connections The Line Backup function 112 enables you to set the connection of WAN1 as the main line and the connection of WAN2 as the backup line which allows the router to switch to the connection of WAN2 once the connection of WAN1 is broken down The detailed configurations are as follows 4 2 1 1 System Mode Set the system mode of the router to the NAT mode Choose the menu Network System Mode to load the following page Select the NAT mode and the lt Save gt button to apply System Mode System Mode NAT Non NAT O Classic Figure 4 1 System Mode 4 2 1 2 WAN Mode Set the router to work in the mode of dual WAN ports Choose the menu Network WAN WAN Mode to load the following page Select two WAN ports for the router and click the lt Save gt button to apply Then the port 1 and port 2 will be set to the WAN1 and WAN2 which can be illustrated on the following port sketch WAN Mode WAN Ports Di 7 O3 O04 Figure 4 2 WAN Mode 4 2 1 3 Internet Connection Configure the Static IP connection type for the WAN1 and WANZ2 ports of
62. d password must not exceed 31 characters in length and must consist of numbers or letters All the fields are case sensitive 99 3 6 1 2 Login Parameter On this page you can configure and modify the Web and Telnet port Choose the menu Maintenance gt Admin Setup Login Parameter to load the following page General Web Management Port Telnet Management Port E Web Idle Timeout Min 5 60 Telnet Idle Timeout Min 5 60 Figure 3 70 Login Parameter The following items are displayed on this screen gt General Web Management Port Enter the Web Management Port for the router Telnet Management Port Enter the Telnet Management Port for the router Web Idle Timeout Enter a timeout period that the router will log you out of the Web based Utility after a specified period Web Idle Timeout of inactivity Telnet Idle Timeout Enter a timeout period that the router will log the remote PCs out of the Web based Utility after a specified period Telnet Idle Timeout of inactivity Note e The default Web Management Port is 80 If the port is changed you should type http IP address port to login the router E g If the Web Management Port is changed to 88 type http 192 168 0 1 88 in the address filed to login the router e The new timeout period will take effect when next login Application Example Network Requirements Allow the IP address within 210 10 10 0 24 segment to manage the router with IP addr
63. dth Control function Choose the menu Advanced Traffic Control gt Bandwidth Control to load the following page Bandwidth Control Rule Direction LOM gt WANI Group sales vw Mode Individual Shared Help Guaranteed Bandwidth Up 10 Kbps 10 1000000 Limited Bandwidth Up 0 Kbps 0 or 10 1000000 0 means no limit Guaranteed Bandwidth Downi 10 Kbps 10 1000000 Limited Bandwidth Down 0 Kbps 0 or 10 1000000 0 means no limit Effective Time 00 00 24 00 sun Mon Tue Wed Thu e Fri 7 Sat Description Optional Status Activate Inactivate List of Rules Mo Direction Group Mode Guaranteed Limited Guaranteed Limited Effective Time Status Description Action Up Up Down Down LAN gt 08 00 22 00 f a rl i sales shared 5000 10000 5000 10000 Active a g ON Wah Mon Tue Wed Thu Fri Figure 3 37 Bandwidth Control The following items are displayed on this screen 56 gt Bandwidth Control Rule Direction Select the data stream direction for the entry The direction of arrowhead indicates the data stream direction The DMZ port displays in the drop down list only when the DMZ port is enabled WAN ALL means all WAN ports through which the data flow might pass Individual WAN port cannot be selected after WAN ALL rules are added Group Select the group to define the controlled users Mode Individual The bandwidth of each user equals to the current bandwidth
64. e The backup WAN port will be enabled only when the premise is met Specify the backup effective time if Timing Mode has been selected Then the backup WAN port will be enabled while the primary WAN port is disabled in the specified time period When the start time you enter is not earlier than the end time the default effective time is from the start time of the day to the end time of the next day Activate or inactivate the entry You can view the information of the entries and edit them by the Action buttons The first entry in Figure 3 42 indicates WAN1 is the primary port and WANZ is the backup port WAN2 will be enabled while WAN1 is failed This entry is enabled a Note The same WAN port cannot be added to the primary and secondary WAN lists at the same time and one WAN port should be added to only one list 3 3 4 4 Protocol On this page you can specify the protocol for routing rules conveniently A protocol constitutes of the name and number The router predefines three commonly used protocols such as TCP UDP and TCP UDP Moreover you can also add new protocols as your wish Choose the menu Advanced Load Balance gt Protocol to load the following page 63 Protocol Name Number List of Protocol Clear Help Mo Name Number Action 1 TCP 6 7 UDP 17 3 TCP UDP 4 TELNET 23 FA YE i 5 RAW 56 NE Select Al Figure 3 43 Protocol The following items are displayed on this scree
65. e Flow Statistics of the specified direction gt IP Traffic Statistics This table displays the detailed traffic information of corresponding PCs 105 Sorted by Select the rule for displaying the traffic information 3 6 4 Diagnostics 3 6 4 1 Diagnostics This router provides Ping test and Tracert test functions for network diagnose Choose the menu Maintenance Diagnostics Diagnostics to load the following page Ping Destination IP Domain 192 168 1 125 WANi 4 Pinging 192 168 1 128 u0th 64 bytes of data 1 Reply from 192 168 1 128 Size 64bytes Time ims Reply from 192 168 1 128 Size 64bytes Time ims 3 Reply from 192 168 1 128 Size 64bytes Time ims d Reply from 192 168 1 125 Size 64bytes Time ims lt Completed gt Ping statistics for 192 165 1 125 Packets Sentid Recelved 4 Lost 0 loss Approximate round trip times in milli seconds Minimum toms Maximum ims Average lms Tracert Destination IP Domain 202 116 564 226 WANI Tracertting 202 116 64 226 Maximum hops 25 1 ims ims ims 12 160 1 L lt Completed gt Figure 3 78 Diagnostics The following items are displayed on this screen 106 gt Ping Destination IP Domain gt Tracert Destination IP Domain Enter destination IP address or Domain name here Then select a port for testing if you select Auto the router will select the interface of destination automatically After clicking lt Star
66. e menu Advanced gt Load Balance gt Link Backup to load the following page General wa AY wan van Pons En En Primary WAM Backup Wan o Ea Ea Mode Timing Failover Backup Effective Time Sun e Mon Tus Wed e Thu Fri Sat Status Activate Inactivate List of Rules Mo Primary Wear Backup Woh Mode Effective Time Status Action Backup when any m a O 1 ve A WAN Active g Or primary WAN failed l Figure 3 42 Link Backup The following items are displayed on this screen gt General WAN Ports Displays all the WAN ports in use You can drag the light blue WAN button to primary and backup WAN list The color of WAN button changing to gray indicates that the WAN port is already in the primary and backup WAN list WAN Config The WAN port in the secondary WAN list will share the traffic for the WAN in the primary WAN list under the specified condition The primary WAN list can contain one or more WAN ports while the backup WAN list contains only one WAN port Mode You can select Timing or Failover 62 Timing Failover Backup Effective Time Status gt List of Rules Link Backup will be enabled if the specified effective time is reached All the traffic on the primary WAN will switch to the backup WAN at the beginning of the effective time the traffic on the backup WAN will switch to the primary WAN at the ending of the effective time Specify the premise for Failover Mod
67. e packets in the different subnet of the ports 3 1 3 WAN 3 1 3 1 WAN Mode TL ER5120 provides four available WAN ports You can set the number of WAN ports on this page Choose the menu Network WAN WAN Mode to load the following page WAN Mode wan Ports 01 02 Os O4 CONSOLE L Figure 3 6 WAN Mode 11 gt WAN Mode WAN Ports Select the total number of WAN ports you prefer to use And the router will adjust the physical ports accordingly which can be illustrated on the following port sketch Note e By default TL ER5120 is set to work in the mode of dual WAN ports e Any change to the number of WAN ports may lead to a loss of current configurations Please be sure to backup your configurations in advance e The DMZ port will not be available if four WAN ports are enabled 3 1 3 2 WANT TL ER5120 provides the following six Internet connection types Static IP Dynamic IP PPPoE Russian PPPoE L2TP Russian L2TP PPTP Russian PPTP and BigPond To configure the WAN please first select the type of Internet connection provided by your ISP Internet Service Provider Tips e It s allowed to set the IP addresses of multiple WAN ports within the same subnet However to guarantee a normal communication make sure that the WAN ports can access the same network such as Internet or a local area network e The amount of tab pages for WAN port varies with the number of the WAN ports For the configu
68. eea anne eens AN 70 3 4 1 AQUARP SD OOTING iisausenscdetieteuesin i ct setae cawelceul estate liste a dbminmeee aaneadeatabetea ae danomateas 70 3 4 2 Attack Dele NSC astilleros lisis 73 3 4 3 MACARRON re es eo des 75 3 4 4 ACCESS CONO io 76 3 4 5 APPO Olas 82 o A ee reno ues ta be ne ee ee 84 3 5 1 lA o e 84 3 5 2 A A eee ee eee ee 90 3 9 3 Dynamic DNS a oia 91 3 5 4 eget ete enact ER ae a ea DO mC OR 97 30 MANEA NCE ein telde roda 99 3 6 1 AIN Sloan ra 99 3 6 2 Manage Mt al nd eds 102 3 6 3 SIS LCS A Mn eine ae cere ten ne athe os nce eee en omen ae 104 3 6 4 IAC OSC sate A O A ecient acts 106 3 6 5 O aan ical aaa A E 108 3 6 6 LOGS PP O 110 Chapter 4 Ar aaa aaa teeta 112 4 1 Network REQUIFEMENS ccccceeccecceeeeeeeeeceeceeeseeceeceessecseecuesessecseeseeteeteeeseeteeteesseeseetaees 112 42 CONIgUraON Sci a oa 112 4 2 1 Mo nn ten ao ean hadrian ae tact gen deeet inch et eens 112 4 2 2 NetWork Manage mentissa E IA A eee 115 4 2 3 NetWork SECUN asirios 119 Chapter o Cll a 125 5 1 CONN UN AON Scr sas tice certian dd 125 Sa REMIC NOO AA A Oa ee One genta ocr meee en ey 128 E O A 129 54 Command Introduccion o loa 131 5 4 1 ree ae 131 5 4 2 a e e OO OOO O a 131 5 4 3 I E APEN E E E AAS TE S E A A EI E T 132 5 4 4 UES A EE A O E A E EEA ta RE 133 5 4 5 MISTO A hice eins ta E N 134 5 4 6 ED o IEEE O NoE O O E E 135 Appendix A Hardware Specification mission 136 Appendix B AG A 137 Appendix C OSS
69. ement Complete Functions of Access Rules can allow managers to select the network service levels to block or allow applications of FTP downloading Email Web browsing and so on Deploying One Click restricting of IM P2P applications to save time 4 energy while reserving exceptional groups for certain users Supporting URL Filtering to prevent potential hazards from visiting the malicious Web sites Powerful Firewall Supporting One Click IP MAC Binding to avoid ARP spoofing and guarantee a network without stagnation Featured Attack Defense to protect the network from a variety of flood attack and packet anomaly attack Possessing MAC Filtering function to block the access of illegal hosts Flexible Traffic Control Featured Bandwidth Control with flexible bandwidth management to automatically control the bandwidth of the host in bi direction to avoid bandwidth over occupation as well as optimize bandwidth usage Supporting Session Limit to avoid the complaint of a few people to force whole sessions Multi WAN Ports Providing three adjustable 10 100 1000M WAN LAN ports for users to configure the amount of WAN ports based on need and connect multiple Internet lines for bandwidth expansion Supporting multiple Load Balance modes including Bandwidth Based Balance Routing Application Optimized Routing and Policy Routing to optimize bandwidth usage 4 Featured Link Backup to switch all the new session
70. er has not sent route information in 180 seconds the RIP of the other routers would set the distance to this router into infinity and delete the corresponding information from route table RIP develops from initial RIPv1 to RIPv2 gradually Compared with RIPv1 RIPv2 supports VLSM Variable Length Subnet Mask simple plain text authentication MD5 cryptograph authentication CIDR Classless Inter Domain Routing and multicast TL ER5120 supports both RIPv1 version and RIPv2 version thus you can configure the RIP version based on the actual need to improve the network performance Choose the menu Advanced Routing RIP to load the following page 67 General Interface Status RIP Version Password Authentication WANT Y Enable Wi Broadcast Disable WAN Y Enable V2 Broadcast Simple Auth E y LAN Enable Vi Broadcast Disable All Interfaces List of RIP No Destination 1 116 10 20 26 2 192 168 10 1 3 211 162 1 1 r Subnet Mask Next Hop Interface Hop Count Effective Time sec 255 255 255 0 116 10 1 254 WANT 1 1 255 205 2000 192 168 20 1 LAN 1 1 295 2595 0 0 211 200 1 1 DMZ 2 23 Figure 3 45 RIP The following items are displayed on this screen gt General Interface Status RIP Version Password Authentication All Interfaces gt List of RIP Displays the interfaces which has been physically connected or assigned static IP Enable or disable RIP protocol Select RIPv1
71. ess and the MAC address in 3 4 1 1 IP MAC Binding then import the entries from the IP MAC binding table to the List of Reserved Address in buck by clicking lt Import gt button in Figure 3 16 DHCP Reservation 00 3 1 5 DMZ DMZ Demilitarized Zone is a network which has fewer default firewall restrictions than the LAN does TL ER5120 provides a DMZ port to allow all the local hosts connected to this port to be exposed to the Internet for some special purpose services such as such as Internet gaming and video conferencing The DMZ physical port can work in Public mode and Private mode In Public mode the DMZ port allows the Hosts in DMZ to directly communicate with Internet via routing mode using public IP address However the Hosts in DMZ cannot access LAN Internet Hon NAT Mode Router LAN DMZ NAT Mode Figure 3 17 DMZ Public Mode In Private mode the DMZ port allows the Hosts in DMZ to access Internet via NAT mode which translates private IP addresses within DMZ to public IP addresses for transport over Internet The Hosts in DMZ can directly communicate with LAN using the private IP addresses within the different subnet of LAN Internet NAT Mode NAT Mode Router LAN DM Hon NAT Mode Figure 3 18 DMZ Private Mode 3 1 5 1 DMZ This page allows you to configure the DMZ port of TL ER5120 38 Choose the menu Network DMZ DMZ to load the following page DMZ Status Enable Disab
72. ess of 210 10 10 50 remotely 100 Configuration Procedure Type 210 10 10 0 24 in the Subnet Mask field on Remote Management page and enable the entry as the following figure shows Remote Management Subnet Mask 210 10 10 0 f za Status Activate Inactivate elp Then type the corresponding port number in Web Management Port and Telnet Management Port fields as the following figure shows General Web Management Port Telnet Management Port Web Idle Timeout lb Min 5 60 Telnet Idle Timeout Min 5 60 Finally start the web browser and type 210 10 10 50 in the URL field to log in the Web management page of the router 3 6 1 3 Remote Management On this page you can configure the Remote Management function This feature allows managing your router from a remote location via the Internet Choose the menu Maintenance Setup Remote Management to load the following page Remote Management Subnet Mask 0 0 0 0 F Clear Status a Activate O Inactivate E p List of Subnet Mo SubnetMask Status Action L 1 192 168 2 0 24 Active PA i Figure 3 71 Remote Management The following items are displayed on this screen gt Remote Management Subnet Mask Specify a single IP address or network address for the hosts desired to access the router from external network 101 Status Activate or inactivate the entry gt List of Subnet In this list you can view the Remote Management entries and edit
73. ess of your ISP s Primary DNS Secondary DNS Displays the IP address of your ISP s Secondary DNS 5 PPTP If your ISP Internet Service Provider has provided the account information for the PPTP connection please choose the PPTP Russian PPTP connection type PPTP Settings Connection Type a Ta a a 7 m LI Edo cu a a gT a PPTP Connection Account Name Password Server IP 0 0 0 0 MTU 1460 576 1460 Active Mode Manual Slways on Secondary Connection Connection Type Static IF Dynamic IP IP Address Subnet Mask Default Gateway Primary DNS Secondary DNS Upstream Bandwidth kbps Downstream Bandwidth kbps PPTP Status Status Disabled IF Address 0 0 0 0 Primary DNS 0 0 0 0 Secondary DNS 0 0 0 0 Figure 3 11 WAN PPTP The following items are displayed on this screen 24 gt PPTP Settings Connection Type Account Name Password Server IP MTU Active Mode SecondaryConnections Connection Type IP Address Select PPTP Russian PPTP if your ISP provides a PPTP connection Click lt Connect gt to dial up to the Internet and obtain the IP address Click lt Disconnect gt to disconnect the Internet connection and release the current IP address Enter the Account Name provided by your ISP If you are not clear please consult your ISP Enter the Password provided by your ISP Enter the Server IP provided by your ISP
74. face gt Advanced WAN Information Interface Displays the interface IP Fragment Rx Displays the amount of IP Fragments received by WAN port Abnormal IP Packets Rx Displays the rate for transmitting data frames 3 6 3 2 IP Traffic Statistics IP Traffic Statistics screen displays the detailed traffic information of each PC on LAN or DMZ Choose the menu Maintenance Statistics IP Traffic Statistics to load the following page General Enable IP Traffic Statistics C Enable Auto refresh Traffic Statistics Direction LAND MZ gt WANT hd LAN DM2 gt WANI Statistics Transmiting Rate KBs Packets Rate Pkts Total Packets Pkt Total Bytes Byte IP Address Sessions Upstream Downstream Upstream Downstream Upstream Downstream Upstream Downstream 192 165 1 102 a 2 16 1600 2 94e 49 S000 60 6000 1000 192 166 1 125 0 03 de 2 3240 2222 491637 050 465660 3000 192 165 1 141 40000 320020 0O000000 2482220000 of 6 58e 9 3 05e 9 66866000 000 Sorted by Downstream Packets Rate Increasing Order Figure 3 77 IP Traffic Statistics The following items are displayed on this screen gt General Enable IP Traffic Allows you to enable or disable IP Traffic Statistics Statistics Enable Auto refresh Allows you to enable disable refreshing the IP Traffic Statistics automatically The default refresh interval is 5 seconds gt Traffic Statistics Direction Select the direction in the drop down list to get th
75. fy the Upstream Downstream Bandwidth for the port To make Load Balance and Bandwidth Control take effect please set these parameters correctly Displays the status of BigPond connection e Disabled indicates that the BigPond connection type is not applied e Connecting indicates that the router is obtaining the IP parameters from your ISP e Connected indicates that the router has successfully obtained the IP parameters from your ISP e Disconnected indicates that the connection has been manually terminated or the request of the router has no response from your ISP Please ensure that your settings are 28 correct and your network is connected well Consult your ISP if this problem remains IP Address Displays the IP address assigned by your ISP Subnet Mask Displays the Subnet Mask assigned by your ISP Default Gateway Displays the IP address of the default gateway assigned by your ISP Note To ensure the BigPond connection re established normally please restart the connection at least 5 seconds after the connection is off 3 1 4 LAN 3 1 4 1 LAN On this page you can configure the parameters for LAN port of this router Choose the menu Network LAN LAN to load the following page LAN IP Address 192 165 0 1 Subnet Mask 295 255 255 0 Figure 3 13 LAN The following items are displayed on this screen gt LAN IP Address Enter the LAN IP address of the r
76. he default setting if no special requirement Enable or disable H 323 ALG The default setting is enabled H 323 is used for various applications such as NetMeeting and VoIP Enable or disable SIP ALG The default setting is enabled It is recommended to keep the default setting if no special requirement Enable or disable IPsec ALG The default setting is enabled It is recommended to keep default if no special requirement Enable or disable PPTP ALG The default setting is enabled It is recommended to keep default if no special requirement this way the network bandwidth can be reasonably distributed and utilized 3 3 2 1 Setup Choose the menu Advanced Traffic Control Setup to load the following page 54 General Disable Bandwidth Control O Enable Bandwidth Control all the time Enable Bandwidth Control when bandwidth usage reaches Hy Default Limit Direction Limited Bandwidth Kbps Upstream oF Downstream oo o S Interface Bandwidth Interface Upstream Bandwidth Kbps Downstream Bandwidth Kbps WAL 1000000 1000000 WAT 2 1000000 1000000 Total 000000 000000 view IP Traffic Statistics Figure 3 36 Configuration The following items are displayed on this screen gt General Disable Bandwidth Select this option to disable Bandwidth Control Control Enable Bandwidth Select this option to enable Bandwidth Control all the time Control all the time Enable Bandwidth With t
77. he ports corresponding to the incoming port will open for follow up connections Choose the menu Advanced NAT Port Triggering to load the following page Port Triggering Name Trigger Port Of In we MMS format Clear a Trigger Protocol TCP UDP Help Incoming Port In AM ms format Incoming Protocal TCP UDP bl Status Activate Inactivate List of Rules Ho Mame Trigger Trigger Port Incoming Incoming Port Status Action Protocol Protocol Yi hosti TCP 5354 TCP UDP 5355 Active Ow Figure 3 34 Port Triggering The following items are displayed on this screen 59 gt Port Triggering Name Trigger Port Trigger Protocol Incoming Port Incoming Protocol Status Note Enter a name for Port Triggering entries Up to 28 characters can be entered Enter the trigger port number or range of port numbers Only when the trigger port initiates connection will all the corresponding incoming ports open and provide service for the applications otherwise the incoming ports will not open Select the protocol used for trigger port Enter the incoming port number or range of port numbers The incoming port will open for follow up connection after the trigger port initiates connection Select the protocol used for incoming port Activate or inactivate the entry e The Trigger Port and Incoming Port should be set in the range of 1 65535 The Incoming Port can be set in a continuous range
78. his option selected the Bandwidth Control will take effect when the Control When bandwidth usage reaches the specified value gt Default Limit Limited Bandwidth Default Limit applies only for users that are not constrained by Bandwidth Control Rules These users share certain bandwidth with upper limit configured here Value 0 means all the remained bandwidth is available to use 55 gt Interface Bandwidth Interface Upstream Bandwidth Downstream Bandwidth Note Displays the current enabled WAN port s The Total bandwidth is equal to the sum of bandwidth of the enabled WAN ports Displays the bandwidth of each WAN port for transmitting data The Upstream Bandwidth of WAN port can be configured on WAN page Displays the bandwidth of each WAN port for receiving data The Downstream Bandwidth of WAN port can be configured on WAN page e The Upstream Downstream Bandwidth of WAN port you set must not be more than the bandwidth provided by ISP Otherwise the Traffic Control will be invalid e f there are data flowing into the router from interface A and out from interface B while the downstream bandwidth of A is different from the upstream bandwidth of B then the smaller one should be considered as the effective bandwidth and vise versa e Click the lt View IP Traffic Statistics gt button to jump to IP Traffic Statistics page 3 3 2 2 Bandwidth Control On this page you can configure the Bandwi
79. igurations to the router The CLI users are in User EXEC Mode by default and free to switch between User EXEC Mode and Privileged EXEC Mode The following table gives detailed information about the Accessing Path Prompt of each mode and how to exit the current mode and access the next mode 128 Accessing Path Logout or Access the next mode User EXEC Primary mode once it is TP LINK gt Use the exit command to disconnect connected with the router the router except that the router is connected through the Console port Use the enable command to access Privileged EXEC mode Privileged Use the enable command to TP LINK Use the exit command to disconnect EXEC enter this mode from User EXEC the switch except that the switch is Mode mode the original password is connected through the Console admin port Enter the disable command to return to User EXEC mode As Figure 5 7 shows tplink HyperTerminal TP LINK gt enable Fnter password IP LINK disable IP LINK gt _ Figure 5 7 Interface Mode 5 3 Online Help TL ER5120 functions with CLI Online Help 1 Type a question mark to get all commands of this view and their brief description in either mode TP LINK gt Type disable Exit the privileged mode 129 enable Enter the privileged mode exit Exit the CLI only for telnet history Show command history ip Display or Set the IP configuration ip mac Display or Se
80. in the range of 576 1492 The default MTU is 1480 It is recommended to keep the default value if no other MTU value is provided by your ISP Optional Enter the ISP address provided by your ISP It s null by default 18 Service Name Primary DNS Secondary DNS Secondary Connection Connection Type IP Address Subnet Address Status Upstream Bandwidth Downstream Bandwidth Optional Enter the Service Name provided by your ISP It s null by default Enter the IP address of your ISP s Primary DNS Optional Enter the IP address of your ISP s Secondary DNS Here allows you to configure the secondary connection Dynamic IP and Static IP connection types are provided Select the secondary connection type Options include Disable Dynamic IP and Static IP If Static IP is selected configure the IP address of WAN port If Dynamic IP is selected the obtained IP address of WAN port is displayed If Static IP is selected configure the subnet address of WAN port If Dynamic IP is selected the obtained subnet address of WAN port is displayed Displays the status of secondary connection Specify the bandwidth for transmitting packets on the port Specify the bandwidth for receiving packets on the port 19 gt PPPoE Status Status IP Address Gateway Address Primary DNS Secondary DNS Displays the status of PPPoE connection e Disabled indicates that the PPPoE co
81. information 3 1 4 4 DHCP Reservation DHCP Reservation feature allows you to reserve an IP address for the specified MAC address The client with this MAC address will always get the same IP address each time when it accesses the DHCP server Choose the menu Network LAN DHCP Reservation to load the following page 31 DHCP Reservation MAC Address RRA IP Address fo Description fo Optional Status Activate Inactivate Clear Help List of Reserved Address Mo MAC Address IP Address Status Description Action O i 00 19 66 83 53 CF 192 168 0 101 Active hosti OW Figure 3 16 DHCP Reservation The following items are displayed on this screen gt DHCP Reservation MAC Address Enter the MAC address of the computer for which you want to reserve the IP address IP Address Enter the reserved IP address Description Optional Enter a description for the entry Up to 28 characters can be entered Status Activate or Inactivate the corresponding entry gt List of Reserved Address In this table you can view the information of the entries and edit them by the Action buttons Up to 512 DHCP static address entries can be supported for LAN and DMZ separately by this router The first entry in Figure 3 16 indicates The IP address 192 168 0 101 is reserved for the computer with the MAC address 00 19 66 83 53 CF and this entry is activated A Note It s recommended that users first bind the IP addr
82. is a FIP server with IP address of 192 168 1 100 and both the Password admin tp user name and password of Username admin ftp File name config bin which is ftp To save the current configuration file with the default name as config bin to this FTP server follow the configuration on the left Try to save the configuration file lt config bin gt Save configuration file lt config bin gt succeed file size is 7104 bytes Tips FTP service is required for importing or exporting configuration files and system upgrade The parameter Server address is the IP address of the host to provide FTP service Username Password is the Username Password to login the FTP service and File name is the name of the configuration file change the file name if the configuration file with the same name is existed The parameters in the brackets are default setting and you can enter the actual parameters behind them Press Enter key directly if there are no changes TL ER5120 connects to the FTP server using port 21 by default 132 e Pay special attention that the specified account must be with appropriate permissions since the functions such as export import and firmware upgrade require read write operation on FTP server TP LINK sys import config Import the configuration file Server address 192 168 1 101 The steps are as the above item shows Username admin Password admin File name config bin Try
83. is working in LAN mode On The port is working in DMZ mode DMZ Off The port is working in LAN mode 6 eo Interface Description Interface Port Description WAN 1 4 The WAN port is for connecting the router to a DSL Cable modem or Ethernet by the RJ45 cable LAN 9 5 The LAN port is for connecting the router to the local PCs or switches by the RJ45 cable DMZ 5 The DMZ port is for connecting the router to the servers Conde J The Console port is for connecting with the serial port of a computer or terminal to monitor and configure the router eo Reset button Use the button to restore the router to the factory defaults With the router powered on use a pin to press and hold the Reset button about 4 5 seconds After the SYS LED goes out release the Reset button If the SYS LED is flashing with a high frequency about two or three seconds it means the router is restored successfully 2 3 2 Rear Panel The rear panel of TL ER5120 is shown as the following figure O a 100 240V 50 60Hz 0 6A o Power Socket Connect the female connector of the power cord to this power socket 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 e Grounding Terminal The router already comes with lightning protection mechanism You can also ground the router through the PE Protecting Earth cable of A
84. ive Time Description Select a policy for the entry e Block When this option is selected the packets obeyed the rule will not be allowed to pass through the router e Allow When this option is selected the packets obeyed the rule will be allowed to pass through the router Select the service for the entry Only the service belonging to the specified service type is limited by the entry For example if you select Block for Policy and only FTP for Service the packets of other service types can still pass through the router You can add new service types on 3 4 4 4 Service Select interface for the entry The entry will take effect when the interface to which the data is flowing is selected WAN LAN or DMZ refers to all the WAN LAN or DMZ interfaces Select the Source IP Range for the entries including the following three ways e IP MASK Enter an IP address or subnet mask 0 0 0 0 32 means any IP e Group Select a predefined group of users You can set the group on3 2 1 Group e ANY means for any users Select the Destination IP Range for the entries including the following two ways e IP MASK Enter an IP address or subnet mask 0 0 0 0 32 means any IP is acceptable e ANY means for any users Specify the time for the entry to take effect Give a description for the entry 79 Priority Select this option to specify the priority for the added entries The latest enab
85. ive Time 00 00 24 00 sun Mon vw Tue Wed Thu e Fri e Sat Description AA Optional List of Rules No Object Mode keywords URL Path Effective Time Description Action 0 00 20 00 sc F sales keywords exe l EN Mon Tue Wed Thu Fri P 2 sales URL Path waw aabbec cormn Always a Tie 3 4 4 2 Web Filtering On this page you can filter the desired web components Choose the menu Firewall Access Control Web Filtering to load the following page Web Filtering Enable Web Filtering Save W Java W Activex F Cookie Figure 3 53 Web Filtering Check the box before Enable Web Filtering and select the web components to be filtered 3 4 4 3 Access Rules Choose the menu Firewall Access Control Access Rules to load the following page Access Rules Policy Select policy we Service All Services bal Interface LAN wt Source IP MASK bl 0 0 0 0 laz Destination IP MASK bal 0 0 0 0 f laz Effective Time 00 00 sun e Mon Tue e wed Thu Fri e Sat Description E Optional Priority Insert as No Entry List of Rules Mo Source Destination Policy Service Interface Effective Time Description Action 0s 00 20 00 C 1 192 168 0 0 24 116 10 20 0 24 Block TELNET LAN EN Mon Tue Wed Thu Fri Figure 3 54 Access Rule The following items are displayed on this screen 78 gt Access Rules Policy Service Interface Source Destination Effect
86. k Default Gateway Primary DNS Secondary DNS Upstream Bandwidth Downstream Bandwidth gt L2TP Status Status IP Address If Static IP is selected configure the IP address of WAN port If Dynamic IP is selected the IP address of WAN port obtained is displayed If Static IP is selected configure the subnet mask of WAN port If Dynamic IP is select the subnet mask of WAN port obtained is displayed If Static IP is selected configure the default gateway If Dynamic IP is selected the obtained default gateway is displayed If Static IP is selected configure the DNS If Dynamic IP is selected the obtained DNS is displayed Specify the bandwidth for transmitting packets on the port Specify the bandwidth for receiving packets on the port Displays the status of L2TP connection e Disabled indicates that the L2TP connection type is not applied e Connecting indicates that the router is obtaining the IP parameters from your ISP e Connected indicates that the router has successfully obtained the IP parameters from your ISP e Disconnected indicates that the connection has been manually terminated or the request of the router has no response from your ISP Please ensure that your settings are correct and your network is connected well Consult your ISP if this problem remains Displays the IP address assigned by your ISP 293 Primary DNS Displays the IP addr
87. k DHCP Server MAC Address LAN 192 168 0 1 200 200 200 0 Enabled O0 14 6 00 01 37 DMZ 192 168 5 1 255 255 255 0 Enabled O0 14 78 00 01 3C CPU Usage lols Usage Corel 2 Figure 3 1 Status 3 1 2 System Mode The TL ER5120 router can work in three modes NAT Non NAT and Classic If your router is hosting your local network s connection to the Internet with a network topology as the Figure 3 2 shows you can set it to NAT mode Internet Figure 3 2 Network Topology NAT Mode If your router is connecting the two networks of different areas in a large network environment with a network topology as the Figure 3 3 shows and forwards the packets between these two networks by the Routing rules you can set it to Non NAT mode Figure 3 3 Network Topology Non NAT Mode 9 If your router is connected in a combined network topology as the Figure 3 4 shows you can set it to Classic Mode Internet Area A Communicate with Internet via static routing rules Figure 3 4 Network Topology Classic Mode Choose the menu Network System Mode to load the following page System Mode System Mode NAT Non NAT Classic Figure 3 5 System Mode You can select a System Mode for your router according to your network need e NAT Mode NAT Network Address Translation mode allows the router to translate private IP addresses within internal networks to public IP addresses for traffic transport over external
88. ke effect only when the Connection Type of WAN is Static IP Changing the Connection type from Static IP to other ones will make the entries attached to the interface disabled 47 3 3 1 3 Multi Nets NAT Multi Nets NAT functions to allow the IP under LAN or DMZ port within multiple subnets to access the Internet via NAT Choose the menu Advanced NAT Multi Nets NAT to load the following page Multi Mets NAT subnet Mask Interface Description Status List of Rules No Network Address AA 192 168 2 0 24 LAT Optional Activate Inactivate yt Clear Help Interface Description Status Action LAN tplinki Active fOww Figure 3 32 Multi Nets NAT The following items are displayed on this screen gt Multi Nets NAT Subnet Mask Interface Description Status gt list of Rules Enter the subnet mask to make the address range for the entry Select the interface for the entry You can select LAN or DMZ port Give a description for the entry Activate or inactivate the entry You can view the information of the entries and edit them by the Action buttons The first entry in Figure 3 32 indicates that This is a Multi Nets NAT entry named tplink1 The subnet under the LAN port of the router is 192 168 2 0 24 and this entry is activated After the corresponding Static Route entry is set the NAT hosts within this subnet can access the Internet through the router via 48
89. kets sending interval to be 1ms as the following figure shows Then click the lt Save gt button to apply 120 General Enable GRP Spoofing Defense r e Save Permit the packets matching the IP MAC Binding entries only Send SARP packets when ARF attack is detected Interval ms Enable ARP logs Figure 4 15 IP MAC Binding 4 2 3 2 WAN ARP Defense To prevent the WAN ARP attack you can bind the default gateway and IP address of WAN port Obtain the MAC address of WAN port by ARP Scanning first Choose the menu Firewall Anti ARP Spoofing ARP Scanning to load the configuration page Enter the default gateway of the WAN port such as 58 51 128 254 in the Scanning Range field and click the lt Scan gt button the MAC address of the WAN port will display in the Scanning Result table General l Scanning Range 56 51 128 254 56 51 126 254 mac After obtaining the MAC address of WAN port from Scanning Result table select this entry then click the lt Import gt button to finish the binding operation 4 2 3 3 Attack Defense Choose the menu Firewall Attack Defense Attack Defense to load the configuration page Select the options desired to be enabled as Figure 4 16 shows and then click the lt Save gt button 121 General Flood Defense Multi connections TCP SYN Flood Threshold Pkt s Multi connections UDP Flood Threshold Pts Multi connections ICMP Flood Threshold 500 Pkt s Stationary source TC
90. l H Space Ctil H E mulation Auto detect bal Terminal Setup Telnet terminal ID ANSI Backscroll buffer lines 500 gt Play sound when connecting or disconnecting Input Translation ASCII Setup Figure 5 5 Connection Properties Settings 127 7 The DOS prompting TP LINK gt will appear after pressing the Enter button in the Hyper Terminal window as Figure 5 6 shows tplink HyperTerminal File Edit View Call Transfer Help TP LINK gt _ Connected 0 00 16 Auto detect 115200 8 N 1 Figure 5 6 Log in the Router 5 2 Interface Mode The CLI of TL ER5120 offers two command modes User EXEC Mode and Privileged EXEC Mode User EXEC Mode only allows users to do some simple operations such as view the system information while Privileged EXEC Mode allows you to manage and configure the router Thus different users have different privileges management User EXEC Mode Users should type the user name and password of the router the factory default value for both of them is admin when logging in the router by Telnet No password is needed when connecting the console port with the router Then the users get the privilege to the User level and can do some simple operations but cannot modify the router s configurations Privileged EXEC Mode Users can enter Privileged EXEC mode from User EXEC mode by password authentication Then the users get the privilege to the User level and can do any conf
91. lassify and manage the system information effectively Choose the menu Maintenance gt Logs Logs to load the following page 110 List of Logs Mo Content 1 2011 06 10 16 35 54 S gt The IP address web succeed to access the 192 168 5 100 server 2 2011 06 10 16 36 29 lt 5 gt The IP address web succeed to access the 192 168 0 2 server Config Enable Auto refresh O severity Send System Logs server IP 116 1 10 5 Figure 3 82 Logs gt List of Logs List of Logs displays the system log information in log buffer An entry of log contains the following four parts gt Config Enable Auto refresh With this option selected the page will refresh automatically every 5 seconds Severity Displays the severity level of the log information You can select a severity level to display the log information with the same level Send System Logs Select Send System Logs and specify the server IP then the new added logs will be sent to the specified server The Logs of switch are classified into the following eight levels emergencies o The system is unusable alerts Action must be taken immediately critical Critical conditions 111 Chapter 4 Application 4 1 Network Requirements The company has established the server farms in the headquarters to provide the Web Mail and FTP services for all the staff The dedicated line access service was used by this company which costs greatly in network maintain and cable l
92. le Mode Public Private IF Address 192 168 2 1 Subnet Mask Figure 3 19 DMZ The following items are displayed on this screen gt DMZ Status Activate or inactivate this entry The DMZ port functions as a normal LAN port when it s disabled Mode Select the mode for DMZ port to control the connection way among DMZ LAN and Internet Options include Public and Private IP Address Enter the IP address of DMZ port Subnet Mask Enter the Subnet Mask of DMZ port Tips The DHCP service DHCP Client and DHCP Reservation functions are available when the DMZ port is enabled For the configuration instructions please refer to section 3 1 4 1 to 3 1 4 4 Note When the DMZ port is enabled in Public Mode please do not enable the DHCP service of DMZ port if your ISP provides a single public IP address Otherwise the Hosts in DMZ will be unable to access Internet normally If an IP address range is provided by your ISP please configure the DHCP pool based on the IP address range 3 1 6 MAC Address The MAC Media Access Control address as the unique identifier of the router in network does not need to be changed commonly 34 Set the MAC Address for LAN port In a complex network topology with all the ARP bound devices if you want to change to use TL ER5120 instead of the current router in a network node you can just set the MAC address of TL ER5120 s LAN port the same to the MAC address of the pre
93. leads to Subnet Mask Enter the Subnet Mask of the destination network Next Hop Enter the gateway IP address to which the packet should be sent next Interface Select the physical network interface through which this route is accessible Metric Defines the priority of the route The smaller the value is the higher the priority is The default value is O Keep the default value if unnecessary Description Give a description for the entry Status Activate or inactivate the entry gt List of Rules You can view the information of the entries and edit them by the Action buttons 65 The first entry in Figure 3 44 indicates If there are packets being sent to a device with IP address of 211 162 1 0 and subnet mask of 255 255 255 0 the router will forward the packets from WAN1 port to the next hop of 211 200 1 1 Application Example Network Requirements LAN1 is under the router and it uses network segment 192 168 0 0 24 LAN2 and LAN3 are under a layer 3 switch and they use network segments 192 168 2 0 24 and 192 168 3 0 24 respectively The IP address of the cascading LAN port between the layer 3 switch and the router is 192 168 0 2 Now the hosts within LAN1 desire to access the hosts within LAN2 and LANS The network topology is shown as the following sAnternet e A Pi 192 168 0 1 24 192 168 0 2 24 Loy Layer 3 Switch 1P 192 168 0 0 24 LAN IP 192 168 2 0 24 IP 192 168 3 0 24 LAN
94. led entry will be displayed at the end of the list by default gt List of Rules You can view the information of the entries and edit them by the Action buttons The smaller the value is the higher the priority is The first entry in Figure 3 54 indicates The TELNET packets transmitted from the hosts within the network of 192 168 0 0 24 will be not allowed to pass through the router at 8 00 20 00 from Tuesday to Saturday Note e For the users in the private network and not being set access rule the default Policy is Allow e To specify all IP addresses type 0 0 0 0 32 in the Policy field e For detailed setting of subnet mask please refer to Appendix B FAQ 3 4 4 4 Service The Service function allows you to specify the protocol and port number to be filtered for Firewall function conveniently Protocol name and port range constitute a service type The router predefines three commonly used services such as HTTP FTP and TELNET and you can also add customized services if needed Choose the menu Firewall Access Control Service to load the following page 80 Service Mame Protocol TCP UDIP e Clear Dest Port y List of Service Help No Name Protocol Dest Port Action 1 ICMP ICMP MA Es FTP TCF l 3 SSH TER ee 4 TELNET TCP 3 z SMTP TCF ZD 6 DAS UCF aa T HTTF TCP oO o POPS TCP 110 J SMTF UDF za 10 H 323 TEP 1720 Figure 3 55 Service The following items are displayed on this s
95. n gt Protocol Name Enter a name to indicate a protocol The name will display in the drop down list of Protocol on Access Rule page Number Enter the Number of the protocol in the range of 0 255 gt List of Protocol You can view the information of the entries and edit them by the Action buttons A Note The system predefined protocols cannot be configured 3 3 5 Routing 3 3 5 1 Static Route Routing is the process of selecting optimized paths in a network along which to send network traffic Static Route is a kind of special routing configured by the administrator which is simple efficient and reliable Commonly used in small sized network with fixed topology Static Route does not change along with the network topology automatically The administrator should modify the static route information manually as long as the network topology or link status is changed 64 Choose the menu Advanced gt Routing Static Route to load the following page Static Route Destination Subnet Mask E Interface yt ATL Metric oY 0 5 Description 5 Optional Status Activate Inactivate List of Rules Mo Destination Subnet Mask Next Hop Interface Metric Status Description Action O 1 211 162 1 0 255 255 255 0 211 200 1 1 Ww ANT Active tplink1 Ow Figure 3 44 Static Route The following items are displayed on this screen gt Static Route Destination Enter the destination host the route
96. n List On this page you can view the Session Limit information of hosts configured with Session Limit Choose the menu Advanced Session Limit Session List to load the following page List of Limited Sessions No User Max Sessions Current Sessions Mo entries Figure 3 39 Session List In this table you can view the session limit information of users configured with Session Limit Click the lt Refresh gt button to get the latest information 3 3 4 Load Balance On this part you can configure how the traffic load is shared by the WAN ports to optimize the resource utilization 3 3 4 1 Configuration Choose the menu Advanced gt Load Balance Configuration to load the following page 59 General Enable Application Optimized Routing Enable Bandwidth Based Balance Routing Select Bandwidth Based Balance Routing ports wan wane Figure 3 40 Configuration With the box before Enable Application Optimized Routing checked the router will consider the source IP address and destination IP address of the packets as a whole and record the WAN port they pass through And then the packets with the same source IP address and destination IP address or destination port will be forwarded to the recorded WAN port This feature is to ensure the multi connected applications to work properly Check the box before Enable Bandwidth Based Balance Routing and select the WAN port below Load Balance of the specified WAN port will
97. ne NAT Choose the menu Advanced NAT One to One NAT to load the following page 46 One to One NAT Interface WAMI we DMZ Forwarding Enable Disable Clear Description O O Optional Help Status Activate Inactivate List of Rules Mo Original IP Translated IP Interface DME Description Status Action Forwarding 2 192 168 0 128 222 13548 128 WANI Enable hosti Active OW Figure 3 31 NAT Setup The following items are displayed on this screen gt One to One NAT Mapping IP Address Enter the Original IP Address in the first checkbox and Translated IP Address in the second checkbox TL ER5120 allows mapping from LAN port to WAN port and DMZ in LAN Mode Interface Select an interface for forwarding data packets DMZ Forwarding Enable or disable DMZ Forwarding The packets transmitted to the Translated IP Address will be forwarded to the host of Original IP if DMZ Forwarding is enabled Description Give a description for the entry Status Activate or inactivate the entry gt List of Rules In this table you can view the information of the entries and edit them by the Action buttons The first entry in Figure 3 31 indicates The IP address of host1 in local network is 192 168 0 128 and the WAN IP address after NAT mapping is specified to be 222 135 48 128 The data packets are transmitted from WAN1 port DMZ Forwarding and this entry are both activated Note One to One NAT entries ta
98. ng a relatively small geographic area up to a few thousand meters LANs connect workstations peripherals terminals and other devices in a single building or other geographically limited area 140 a benno MAC address Media Access Control address MTU Maximum Transmission Unit NAT Network Address Translator NTP Server POP3 Post Office Protocol 3 PPPoE Point to Point Protocol over Ethernet SMTP Simple Mail Transfer Protocol SSH Secure Shell Protocol SA Security Association Standardized data link layer address that is required for every port or device that connects to a LAN Other devices in the network use these addresses to locate specific ports in the network and to create and update routing tables and data structures MAC addresses are 6 bytes long and are controlled by the IEEE The size in bytes of the largest packet that can be transmitted Mechanism for reducing the need for globally unique IP addresses NAT allows an organization with addresses that are not globally unique to connect to the Internet by translating those addresses into globally routable address space NTP Server is used for synchronising the time across computer networks POP3 is intended to permit a workstation to dynamically access a maildrop on a server host in a useful fashion PPPoE is a network protocol for encapsulating Point to Point Protocol PPP frames inside Ethernet frame
99. nk Secondary DNS Optional If a Secondary DNS Server address is available enter it Upstream Bandwidth Specify the bandwidth for transmitting packets on the port Downstream Specify the bandwidth for receiving packets on the port Bandwidth 2 Dynamic IP If your ISP Internet Service Provider assigns the IP address automatically please choose the Dynamic IP connection type to obtain the parameters for WAN port automatically Dynamic 1P Settings Connection Type Dynamic IP bal Host Name Doo MTU 1500 576 1500 Use the following DNS Server Primary DNS ooo Secondary DNS oono optional Get IP address by Unicast tenable it only when required Upstream Bandwidth kbps Downstream Bandwidth kbps Dynamic IP Status Status Connecting IF Address Subnet Mask Default Gateway Primary ONS Secondary DNS Figure 3 8 WAN Dynamic IP 14 gt Dynamic IP Connection Type Host Name MTU Get IP Address by Unicast Use the following DNS Server Primary DNS Secondary DNS Upstream Bandwidth Downstream Bandwidth The following items are displayed on this screen Select Dynamic IP if your ISP assigns the IP address automatically Click lt Obtain gt to get the IP address from your ISP s server Click lt Release gt to release the current IP address of WAN port Optional This field allows you to give a name for the router It s blank by default
100. nnection type is not applied e Connecting indicates that the router is obtaining the IP parameters from your ISP e Connected indicates that the router has successfully obtained the IP parameters from your ISP e Disconnected indicates that the connection has been manually terminated or the request of the router has no response from your ISP Please ensure that your settings are correct and your network is connected well Consult your ISP if this problem remains Displays the IP address assigned by your ISP Displays the Gateway Address assigned by your ISP Displays the IP address of your ISP s Primary DNS Displays the IP address of your ISP s Secondary DNS 20 4 L2TP If your ISP Internet Service Provider has provided the account information for the L2TP connection please choose the L2TP Russian L2TP connection type L2TP Settings Connection Type L2TP Russian LTP w LTP Connection Account Name Password Server IP 0 0 0 0 MTU 1460 576 1460 Active Mode Manual Always on Secondary Connection Connection Type Static IP Dynamic IP IP Address Subnet Mask Default Gateway Primary DNS Secondary DONS Upstream Bandwidth Kbps Downstream Bandwidth Kbps L2TP Status Status Disabled IF Address 0 0 0 0 Primary DNS 0 0 0 0 Secondary DNS 0 0 0 0 Figure 3 10 WAN L2TP aD y The following items are displayed on this screen gt L2TP
101. ns 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 CE 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 y MlpoaykT ceptucpikoBaHO 3riaHo c nmpaBunamua cuctemu YKpCEIIPO Ha BIAnoBiAaHicre BuMOraM HOPpMaTuUBHUX MOKYMEeHTIB Ta BUMOraM LUO neperabadeH YWHHUMU 3aKOoHopaBynmMmn akTamu YkpalHn EHL Safety Information e 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 e 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 eo Avoid water and wet locations Pa a AE eS SIR O if UF RE I A ERA EE AO EI I ANE h ORAL Ha CREE VAR ADA VAS AR EIT aR e OD GEIS AK IE Tae BAK E mE o 01 08 POR EUG MERA E an ERE A SEE RA AED me ed O o ORINA E m BOR SEE WIT 2 BREA IES RER AS CE ee MA OR ZA
102. nterface Bandwidth Interface Upstream Bandwidth Kbps Downstream Bandwidth kbps Wah 1000000 1000000 Wah 1000000 1000000 Total 000000 000000 View IP Traffic Statistics Figure 4 8 Bandwidth Setup 117 2 Interface Bandwidth Choose the menu Network WAN gt WAN1 to load the configuration page Configure the Upstream Bandwidth and Downstream Bandwidth of the interface as Figure 4 9 shows The entered bandwidth value should be consistent with the actual bandwidth value 3 Bandwidth Control Rule Choose the menu Advanced Traffic Control Bandwidth Control to load the configuration page Then continue with the following settings Settings Direction LAN gt WAN Group group1 Mode Individual Guaranteed Bandwidth Up Down 100 Limited Bandwidth Up Down 800 Effective Time Keep the default value Status Activate Click the lt Add gt button to apply Bandwidth Control Rule Direction LAM gt WAanl Group groupl wt Mode 2 Individual Shared Guaranteed Bandwidth Up 100 Kbps 10 1000000 Limited Bandwidth Up BDO Kbps 0 or 10 1000000 0 means no limit Guaranteed Bandwidth Down foo Kbps 10 1000000 Limited Bandwidth Down BDO Kbps 0 or 10 1000000 0 means no limit Effective Time Sun Mon Tue wed e Thu Fri e Sat Description Optional Status Activate Inactivate Figure 4 10 Bandwidth Control Rule 4 2 2 4 Session Limit Ch
103. oad the configuration page Add all the Users you just created into the Group 1 and click the lt Save gt button to apply 4 2 2 2 App Control Choose the menu Firewall App Control Control Rules to load the configuration page Check the box before Enable Application Control and click lt Save gt to apply Then continue with the following settings Settings Object Group Group group1 A Click the lt Application List gt button and select the Application ae l applications desired to be blocked on the popup window Status Activate 116 General Enable Application Control Save Control Rules Object Group ANY Group Clear Application Application List Help Effective Time i Sun vw Mon e Tue w wed we Thu v Fri we Sat Description o Optional Status Activate Inactivate Figure 4 7 App Rules 4 2 2 3 Bandwidth Control To enable Bandwidth Control you should configure the total bandwidth of interfaces and the detailed bandwidth control rule first 1 Enable Bandwidth Control Choose the menu Advanced Traffic Control Setup to load the configuration page Check the box before Enable Bandwidth Control and click the lt Save gt button to apply General O Disable Bandwidth Control Enable Bandwidth Control all the time Enable Bandwidth Control when bandwidth usage reaches Hy Default Limit Direction Limited Bandwidth Kbps Upstream oT Downstream oO I
104. of this entry Shared The total bandwidth of all controlled IP addresses equals to the current bandwidth of this entry Guaranteed Specify the Guaranteed Upstream Bandwidth for this entry Bandwidth Up Limited Bandwidth Specify the Limited Upstream Bandwidth for this entry Up Guaranteed Specify the Guaranteed Downstream Bandwidth for this entry Bandwidth Down Limited Bandwidth Specify the Limited Downstream Bandwidth for this entry Down Effective Time Specify the time for the entry to take effect Description Give a description for the entry Status Activate or inactivate the entry gt List of Rules You can view the information of the entries and edit them by the Action buttons The first entry in Figure 3 37 indicates The users within group sales share the bandwidth and the Downstream Upstream Guaranteed Bandwidth is 5000kbps while the Downstream Upstream Limited bandwidth is 10000kbps This entry takes effect at 8 a m to 10 p m from Monday to Friday 57 Note e The premise for single rule taking effect is that the bandwidth of the interface for this rule is sufficient and not used up e tis impossible to satisfy all the guaranteed bandwidth if the total guaranteed bandwidth specified by all Bandwidth Control rules for certain interface exceeds the physical bandwidth of this interface e When DMZ port is disabled it is only allowed deleting operation to the related rules 3 3 3
105. on as below General Enable Port Mirror Mode IngresseEgress W Port Mirror Port Mirroring Port Mirrored Port 1 O 2 O 3 4 D 5 O 1 Check the box before Enable Port Mirror to enable the Port Mirror function and select the Ingress Egress mode 2 Select Port 3 to be the Mirroring Port to monitor all the packets of the other ports 3 Select all the other ports to be the Mirrored Ports 4 Click the lt Save gt button to apply 3 1 7 3 Rate Control On this page you can control the traffic rate for the specific packets on each port so as to manage your network flow Choose the menu Network Switch Rate Control to load the following page 39 Rate Control Port Ingress Limit Ingress Mode Ingress RatelMbps Egress Limit Egress RatelMbps 1 7 Enable F Enable 2 O enable is O enable id 3 C Enable is O enable id 4 O enable E O enable id 5 C Enable i O enable id Figure 3 23 Rate Control The following items are displayed on this screen gt Rate Control Port Displays the port number Ingress Limit Specify whether to enable the Ingress Limit feature Ingress Mode Select the Ingress Mode for each port Options include e All Frames Select this option to limit all the frames e Broadcast amp Multicast Select this option to limit broadcast frame and multicast frame e Broadcast Select this option to limit the broadcast frame Ingress Rate Specify the limit rate for the ingress packe
106. onfigurations of Port VLAN You re recommended to check or reconfigure the Port VLAN if the status of DMZ is changed 3 2 User Group The User Group function is used to group different users for unified management so that you can perform other applications such as Bandwidth Control Session Limit and Access Control etc on per group 42 3 2 1 Group On this page you can define the group for management Choose the menu User Group Group to load the following page Group Config Group Name o 4 28 Char Description Optional 1 28 Char List of Group Mo Group Mame Description F 1 Groupi Figure 3 27 Group Configuration The following items are displayed on this screen gt Group Config Group Name Specify a unique name for the group Description Give a description for the group It s optional gt List of Group Clear Help Action Ai I YY In this table you can view the information of the Groups and edit them by the Action buttons 3 2 2 User On this page you can configure the User for the group Choose the menu User Group User to load the following page User Config User Name Po 1 28 Char IP Address Description P Optional 1 28 Char List of User No User Mame IP Address Description No entries Figure 3 28 User Configuration 43 Clear Help Action The following items are displayed on this screen gt User Config User Name Specify a unique
107. oose the menu Advanced Session Limit Session Limit to load the configuration page Check the box before Enable Session Limit and click the lt Save gt button to apply Then continue with the following settings Settings Group group 118 Max Sessions 250 Status Activate Click the lt Add gt button to apply General Enable Session Limit Save Session Limit Group Max Sessions 30 1000 Clear Description fo Optional Help Status Activate Inactivate Figure 4 11 Session Limit 4 2 3 Network Security You can enable the IP MAC Binding function to defend the ARP attack from local or public network and enable Sending GARP packets function to defend ARP attack Moreover you can enable DoS Defense function to implement flood defense and Packet Anomaly Defense Moreover you can enable Port Mirror function and Statistics function to monitor the real time traffic of the local network 4 2 3 1 LAN ARP Defense You can configure IP MAC Binding manually or by ARP Scanning For the first time configuration please bind most of the ARP information by ARP Scanning For some special items not bound you can bind them manually 1 Scan and import the entries to ARP List Specify ARP Scanning range Choose the menu Firewall Anti ARP Spoofing ARP Scanning to load the configuration page No ARP attack in the local network is the premise of ARP Scanning General Scanning IP Range 192 168 0 1 192 1165 0 2
108. or RIPv2 RIPv2 supports multicast and broadcast If RIPv2 is enabled set the Password Authentication according to the actual network situation and the password should not be more than 15 characters Here you can operate all the interfaces in bulk All the interfaces will not apply RIP if Disable option for All Interfaces is selected After RIP is enabled the information of RIP forwarding the packets received by the router will be displayed in the list The first entry in Figure 3 45 indicates when receiving packets with destination IP is 116 10 20 28 the router will select WAN1 which is in the same network with the destination IP as next hop and forward 68 data via this port The IP address of next hop is 116 10 1 254 and the hop count is 1 The effective time of this entry is 1 second Note e RIP function cannot be set if the router is in NAT Mode To set RIP function please change the System Mode to Routing or Full Mode e The RIP function of WAN port takes effects only when the Connection Type of this WAN port is Static IP 3 3 5 3 Route Table This page displays the information of the system route table Choose the menu Advanced Routing Route Table to load the following page Route Table No Destination 0 0 0 00 172 31 20 0 24 192 1168 0 0 24 192 168 2 0 24 192 165 3 0 24 SF A M PA 192 168 5 0 24 Gateway Flags Logical Interface Physical Interface Metric re SeU DS ethi
109. ource object on the Internet Group of devices on one or more LANs that are configured using management software so that they can communicate as if they were attached to the same wire when in fact they are located on a number of different LAN segments Because VLANs are based on logical instead of physical connections they are extremely flexible Data communications network that serves users across a broad geographic area and often uses transmission devices provided by common carriers 142
110. outer 192 168 0 1 is the default IP address The Hosts in LAN can access the router via this IP address It can be changed according to your network Subnet Mask Enter the Subnet Mask The default subnet mask is 255 255 255 0 29 Note If the LAN IP address is changed you must use the new IP address to log into the router To guarantee a normal communication be sure to set the Gateway address and the Subnet Mask of the Hosts on the LAN to the new LAN IP address and the Subnet Mask of the router 3 1 4 2 DHCP The router with its DHCP Dynamic Host Configuration Protocol server enabled can automatically assign an IP address to the computers in the LAN Choose the menu Network LAN DHCP to load the following page DHCP Settings DHCP Server Enable Disable Start IP Address End IP Address Lease Time Min 1 2880 Default Gateway Optional Default Domain o Optional Primary DNS Optional Secondary DNS Optional Figure 3 14 DHCP Settings The following items are displayed on this screen gt DHCP Settings DHCP Server Enable or disable the DHCP server on your router To enable the router to assign the TCP IP parameters to the computers in the LAN automatically please select Enable Start IP Address Enter the Start IP address to define a range for the DHCP server to assign dynamic IP addresses This address should be in the same IP address subnet with the router s LAN IP address
111. p field Choose the menu Advanced Routing Static Route to load the following page Static Route Destination 192 168 2 0 Subnet Mask 295 299 2595 0 Next Hop 192 168 0 2 Interface WAN1 Metric 0 15 Description Optional Status Activate Inactivate The set Static Route entry is as follows List of Rules Mo Destination Subnet Mask Next Hop Interface Metric Status Description Action F i 192 168 2 0 255 255 255 0 192 168 0 2 LAN 0 Active LANZ Ow F 2 192 168 3 0 255 255 255 0 192 168 0 2 LAN 0 Active VLANS OW 50 3 3 1 4 Virtual Server Virtual server can be used for setting up public services in your private network such as DNS Email and FTP Virtual server can define a service port All the service requests to this port will be transmitted to the LAN server appointed by the router via IP address Choose the menu Advanced NAT Virtual Server to load the following page Yirtual Server Name External Port Internal Port odo Help Internal Server IP Protocol status Activate Inactivate List of Rules Ho Mame Frotocol External Part Internal Port aiii bi Status Action Pl i hast TCP 65534 65535 65534 65535 192 168 0103 Active J E Figure 3 33 Virtual Server The following items are displayed on this screen gt Virtual Server Name Enter a name for Virtual Server entries Up to 28 characters can be entered External Port Enter the ser
112. ppendix BFAQ Q1 What can do if cannot access the web based configuration page 1 For the first login please try the following steps 1 Make sure the cable is well connected to the LAN port of the router The corresponding LED should flash or be solid light 2 Make sure the IP address of your PC is set in the same subnet addresses of the router It s recommended to set your PC to get the IP address automatically Then the router with DHCP enabled can automatically assign the IP address to your PC If you want to configure your PC manually please set 192 168 0 x x is any number between 2 to 254 for the IP address and 255 255 255 0 for the Subnet Mask 3 Test the connection between your PC and TL ER5120 via Ping command 4 Ifyou still cannot access the configuration page please restore your router to its factory default settings and try to log in again 2 If your management port has been changed please log into the router with the new address such as http 192 168 0 1 XX XX is the new management port number 3 If you had successfully logged into the router before but now you cannot access the router It s quite possible that the configuration of your router has been changed by others especially when the Remote Web Management function is enabled You re recommended to restore your router and reconfigure the management port number and the username as well as the password for your network security 4 If you
113. rations of the other WAN ports please refer to the instructions of WAN1 192 Choose the menu Network WAN gt WAN1 to load the configuration page 1 Static IP If a static IP address has been provided by your ISP please choose the Static IP connection type to configure the parameters for WAN port manually Static IP Settings Connection Type Static IP we IF Address Subnet Mask Default Gateway Optional MTU 576 1500 Primary DNS Gptional Secondary DNS Optional Upstream Bandwidth kbps Downstream Bandwidth kbps Figure 3 7 WAN Static IP The following items are displayed on this screen gt Static IP Connection Type Select Static IP if your ISP has assigned a static IP address for your computer IP Address Enter the IP address assigned by your ISP If you are not clear please consult your ISP Subnet Mask Enter the Subnet Mask assigned by your ISP Default Gateway Optional Enter the Gateway assigned by your ISP MTU MTU Maximum Transmission Unit is the maximum data unit transmitted by the physical network It can be set in the range of 576 1500 The default MTU is 1500 It is recommended to keep the default value if no other MTU value is provided by your ISP 13 Primary DNS Enter the IP address of your ISP s Primary DNS Domain Name Server If you are not clear please consult your ISP It s not allowed to access the Internet via domain name if the Primary DNS field is bla
114. rror function If unchecked it will be disabled Mode Select the mode for the port mirror function Options include e Ingress When this mode is selected only the incoming packets sent by the mirrored port will be copied to the mirroring port e Egress When this mode is selected only the outgoing packets sent by the mirrored port will be copied to the mirroring port e Ingress amp Egress When this mode is selected both the incoming and outgoing packets through the mirrored port will be copied to the mirroring port gt Port Mirror Mirroring Port Select the Mirroring Port to which the traffic is copied Only one port can be selected as the mirroring port Mirrored Port Select the Mirrored Port from which the traffic is mirrored One or multiple ports can be selected as the mirrored ports The entry in Figure 3 22 indicates The outgoing packets sent by port 1 port 2 port 3 and port 5 mirrored ports will be copied to port 4 mirroring port 38 Tips If both the mirrored port and the mirroring port are the LAN ports these two LAN ports should be in the same Port VLAN For example if port 3 the mirroring port and port 4 the mirrored port are the LAN ports the Port Mirror function can take effect only when port 3 and port 4 are in the same Port VLAN Application Example To monitor all the traffic and analyze the network abnormity for an enterprise s network please set the Port Mirror functi
115. s SMTP is an Internet standard for electronic mail e mail transmission SSH is a network protocol that allows data to be exchanged using a secure channel between two networked devices SA is the establishment of shared security attributes between two network entities to support secure communication 141 TCP Transfer Control Protocol TCP IP Transmission Control Protocol Internet Protocol Telnet Telecommunication Network protocol UDP User Datagram Protocol UPnP Universal Plug and Play URL CUniform Resource Locator VLAN Virtual Local Area Network WAN Wide Area Network Connection oriented transport layer protocol that provides reliable full duplex data transmission Common name for the suite of protocols to support the construction of worldwide Internetworks TCP and IP are the two best known protocols in the suite Telnet is used for remote terminal connection enabling users to log in to remote systems and use resources as if they were connected to a local system UDP is a simple protocol that exchanges datagrams without acknowledgments or guaranteed delivery requiring that error processing and retransmission be handled by other protocols UPnP is a set of networking protocols for primarily residential networks without enterprise class devices that permits networked devices URL describes the access method and the location of an information res
116. s from dropped line automatically to another for keeping an always on line network Easy to use Providing easy to use GUI with clear configuration steps and detailed help information for the users to configure the router simply Helping administrators to monitor the whole network status and take actions to malfunctions according to the recorded log information Supporting remote management to manage the router from remote places 2 2 Features Hardware gt Vv Vv Y V V Yy 1 fixed gigabit WAN port port 1 3 adjustable gigabit WAN LAN ports 1 LAN DMZ port port 5 and 1 Console port Built in high quality power supply with non fun system design for quietness Possesses standard sized 19 inch outfit for standard rack Supports Professional 4kV common mode lightning protection Complies with IEEE 802 3 IEEE 802 3u IEEE 802 3ab standards Supports TCP IP DHCP ICMP NAT NAPT protocols Supports PPPoE SNTP HTTP DDNS UPnP NTP protocols Basic Functions gt Vv V Y V V WV Supports Static IP Dynamic IP PPPoE Russian PPPoE L2TP Russian L2TP PPTP Russian PPTP Dual Access BigPond Internet connections Supports Virtual Server Port Triggering ALG Static Route and RIP v1 v2 Built in Switch supporting Port Mirror Port VLAN Rate Control and so on Supports to change the MAC address of LAN WAN DMZ port Supports Logs Statistics Time setting Supports Remote and Web management Supports Diagnostic Ping
117. se Choose the menu Firewall App Control Database to load the following page Application Database Upgrade Current Version Expiration Date Database File 1 1 0 Save Permanent Browse Figure 3 57 Database The database refers to all the applications in the application list on the Application Rules page you can download the latest database from http www tp link com Click the lt Browse gt button and select the file and then click the lt Upgrade gt button to upgrade the database 83 3 5 Services 3 5 1 PPPoE Server The router can be configured as a PPPoE server to specify account and IP address to users in LAN and thus you can control the dial up of users for a high efficiency in network management The PPPoE configuration can be implemented on General IP Address Pool Account Exceptional IP and List of Account pages 3 5 1 1 General On this page you can configure PPPoE function globally Choose the menu Services PPPoE Server General to load the following page General PPPoE Server O Enable Disable Dial up Access Only Enable Disable p PPPoE User Isolation Enable Disable Primary ONS Secondary ONS Max Sessions 256 256 Max Echo Requests io 60 Idle Timeout 30 Min Authentication Local Remote Auth Protocol PAR Y char Y ms cHar Y MS CHAP v2 Figure 3 58 General The following items are displayed on this screen gt General
118. sensitive 5 4 5 history Query the user name and password of the current Guest Modify the password of the Guest Query the user name and password of the Administrator Modify the password of the Administrator Modify the user name of the Administrator The history command is used for you to view or clear the history commands TP LINK gt history View the history command Le MISTOCY 2 sys show SS MLISCOLY TP LINK gt history clear Clear the history command Ls MISCO 2 sys show oe MASTOLY 4 history clear 9 4 6 exit The exit command is used to exit the system only when logging in by Telnet TP LINK gt exit Exit CLI 135 Appendix A Hardware Specifications IEEE 802 3 IEEE 802 3u IEEE 802 3ab TCP IP DHCP ICMP NAT Standards PPPoE SNTP HTTP DNS One 10 100 1000M Auto Negotiation WAN RJ45 port Auto MDI MDIX Three adjustable 10 100 1000M Auto Negotiation WAN LAN RJ45 ports Ports Auto MDI MDIX One 10 100 1000M Auto Negotiation LAN RJ45 port Auto MDI MDIX One Console Port 10Base T UTP STP of Cat 3 or above Transmission Medium 100Base TX UTP STP of Cat 5 or above 1000Base T UTP STP of Cat 5 Cat 5e Cat 6 iid dhl cheba Nica Ouse 100 240V 50 60Hz 0 6A Operating Temperature 0 C 40 C Storage Temperature 40 C 70 C Operating Humidity 10 90 RH Non condensing Operating Environment Storage Humidity 5 90 RH Non condensing 136 A
119. serl dyndns into Offline Fa O 2 Usera userz dyndns info Offline Fa O Figure 3 64 DynDNS DDNS The following items are displayed on this screen 92 gt Dyndns DDNS Account Name Password Domain Name DDNS Service WAN Port DDNS Status Enter the Account Name of your DDNS account If you have not registered click lt Go to register gt to go to the website of Dyndns for register Enter the password of your DDNS account Enter the Domain Name that you registered with your DDNS service provider Activate or inactivate DDNS service here Displays the WAN port for which Dyndns DDNS is selected Displays the current status of DDNS service e Offline DDNS service is disabled e Connecting client is connecting to the server e Online DDNS works normally e Authorization fails The Account Name or Password is incorrect Please check and enter it again gt List of DynDNS Account In this table you can view the existing DDNS entries or edit them by the Action button 3 9 3 2 No IP On this page you can configure NO IP DDNS client Choose the menu Services Dynamic DNS No IP to load the following page 93 MNo IP DONS Account Mame Password Domain Name DONS Service userimtp link com Go to register Activate Inactivate Wak Port Weak 1 DONS Status Offline List of No IP Account WAR Account Mame Domain Name Status Action if userimitp link corn useri no ip in
120. ss Only function is enabled only the Dial in Users and the user with Exceptional IP can access the Internet On this page you can specify the Exceptional IP Choose the menu Services PPPoE Server Exceptional IP to load the following page 88 Exceptional IP IP Address Range AS AA oe Clear Description Po Optional Help Status Activate Inactivate List of Exceptional IP Ho IF Address Range Description Status Action A 192 168 0 200 192 168 0 210 Active foe Figure 3 61 Exceptional IP The following items are displayed on this screen gt Exceptional IP IP Address Range Specify the start and the end IP address to make an exceptional IP address range This range should be in the same IP range with LAN port or DMZ port of the router The start IP address should not exceed the end address and the IP address ranges must not overlap Description Give a description to the exceptional IP address range for identification Status Activate or inactivate the entry gt List of Account In this table you can view the information of Exceptional IPs and edit them by the Action buttons 3 5 1 5 List of Account On this page you can view the detailed information of all accounts you have established Choose the menu Services PPPoE Server gt List of Account to load the following page List of Account No Account Name Status IP Address MAZ Address Online Time Interface Description Action i user Connected 1
121. t Time End Time Figure 3 81 Daylight Saving Time The following items are displayed on this screen gt Daylight Saving Time DST State Show the work state of DST New Zealand 109 at at at at gt Daylight Saving Time DST Config DST Status Enable or disable the DST Predefined Mode Select a predefined DST configuration e USA Second Sunday in March 02 00 First Sunday in November 02 00 e European Last Sunday in March 01 00 Last Sunday in October 01 00 e Australia First Sunday in October 02 00 Fisrt Sunday in April 03 00 e New Zealand Last Sunday in September 02 00 First Sunday in April 03 00 Recurring Mode Specify the DST configuration in recurring mode This configuration is recurring in use e Time Offset Specify the time adding in minutes when Daylight Saving Time comes e Start End Time Select starting time and ending time of Daylight Saving Time Date Mode Specify the DST configuration in Date mode This configuration is one off in use e Time Offset Specify the time adding in minutes when Daylight Saving Time comes e Start End Time Select starting time and ending time of Daylight Saving Time AA Note e When the DST is disabled the predefined mode recurring mode and date mode cannot be configured e When the DST is enabled the default daylight saving time is of European in predefined mode 3 6 6 Logs The Log system of router can record c
122. t gt button the router will send Ping packets to test the network connectivity and reachability of the host and the results will be displayed in the box below Enter destination IP address or Domain name here Then select a port for testing if Auto is selected the router will select the interface of destination automatically After clicking the lt Start gt button the router will send Tracert packets to test the connectivity of the gateways during the journey from the source to destination of the test data and the results will be displayed in the box below 3 6 4 2 Online Detection On this page you can detect the WAN port is online or not Choose the menu Maintenance Diagnostics Online Detection to load the following page General Port Detecting Mode Ping DNS Lookup List of WAN Status WAND Activate Inactivate Auto Manual ooo Port Detecting Status WANI Active Online Detection failed Wy ah Active Physical port is disabled WANG Active Online Detection failed wA Ng Inactive Figure 3 79 Online Detection The following items are displayed on this screen gt General Port Detecting Select the port to be detected Activate or inactivate Online Detection function When Online Detection is active WAN status will depend on the result of both PING and DNS Lookup When Online Detection is inactive WAN status will be detected according to physical connection status and
123. t the IP mac bind configuration Svs SVstem manager user User configuration 2 Type a command and a question mark separated by space If there are keywords in this command all the keywords and their brief descriptions will display For example TP LINK gt ip lt Press Space and button get Get the ip configuration 3 Type a character string and a question mark with no space all the commands with prefix of this character string will be listed For example TP LINK gt dis lt Press button disable 4 Type the first few letters of certain keywords for a command and press the Tab button and the entire keyword will display if the keyword with the typed letters as beginning is unique For example TP LINK gt dis Press Tab button disable 5 Type a command and a question mark separated by space then a carriage return will display which indicates this command can be executed TP LINK enable Press Space and button UE 130 5 4 Command Introduction TL ER5120 provides a number of CLI commands for users to manage the router and user information For better understanding each command is followed by notes which will be the meaning of the command 5 4 1 Ip The ip command is used to view or configure the IP address and subnet mask of the interfaces View command can be used in both User EXEC Mode and Privileged EXEC Mode while configuration function can be only used in Privileged EXEC Mode
124. the router Choose the menu Network gt WAN WANT1 to load the following page Select the Static IP connection type and enter the IP address Subnet Mask and Default Gateway provided by your ISP Set both the Upstream Bandwidth and the Downstream Bandwidth to 100000Kbps The Upstream Downstream Bandwidth of WAN port you set must not be more than the bandwidth provided by ISP Otherwise the Traffic Control will be invalid Then click the lt Save gt button to apply The configuration for the WAN2 port is the same as the WAN1 113 Static IP Settings Connection Type IF Address Subnet Mask Default Gateway Optional MTU 576 1500 Primary DNS Optional Secondary DNS Optional Upstream Bandwidth Kbps Downstream Bandwidth Kbps Save Help Figure 4 3 WAN Static IP 4 2 1 4 Link Backup Set the connection of WAN1 as the primary link the connection of WAN 2 as the secondary link Choose the menu Advanced Load Balance Link Backup to load the configuration page Select WAN1 as Primary WAN WAN2 as Backup WAN select the Failover mode as Figure 1 2 shows and then click the lt Add gt button to apply General Wah 1 Wea Me WON Ports LJ J Clear Primary WAN Backup WAN Help WON Config Mode Timing Failover Failover Active Backup WAN when any primary WAN port failed Active Backup WAN when all the primary WAN ports failed Status Activate Inactivate List of Rules Mo Primary WA
125. them by the Action buttons The first entry in Figure 3 71 indicates that The hosts with IP address in subnet of 192 168 2 0 24 are allowed to access the router and this entry is activated 3 6 2 Management 3 6 2 1 Factory Defaults Choose the menu Maintenance Management Factory Defaults to load the following page Factory Defaults Click the button below to reset the device to defaults Restore to Factory Defaults Figure 3 72 Factory Defaults Click the lt Restore to Factory Defaults gt button to reset all configuration settings to their default values The default IP address is 192 168 0 1 the default login user name and password are both admin 3 6 2 2 Export and Import Choose the menu Maintenance gt Management gt Export and Import to load the following page Configuration Yersion Current Version 1 1 0 Export Click lt Export gt to save your current configuration to your computer It is recommended to export the configuration before Firmware Upgrade or configuration modification Import You can import the configuration file to restore the saved setting File ii Figure 3 73 Export and Import The following items are displayed on this screen 102 gt Configuration Version Displays the current Configuration version of the router gt Export Click the lt Export gt button to save the current configuration as a file to your computer You are suggested to take this measure before upgrading or
126. to get the configuration file lt Conrtig bin gt Get configuration file lt config bin gt succeed file size is 7104 bytes TP LINK gt sys show View the system information The current CPU Usage of CPU Used Rate 1 the system will display TP LINK sys update Upgrade the firmware Server address 192 168 1 101 Username admin Password admin File name update bin Try to get the update file lt update bin gt Get update file lt update bin gt succeed file size is 2298608 bytes 5 4 4 user The user command is used to query or modify the user name and password of CLI In User EXEC Mode you can only modify the password of the User level users while the username cannot be modified since the User Level user and Admin Level user share the same username In Privileged EXEC Mode you can modify both the user name and password of Admin Level user 133 TP LINK gt Username Password TP LINK gt Enter old Enter new user get admin admir user set password password password Confirm new password TP LINK Username Password TP LINK Enter old Enter new user get admin admin user set password password password Confirm new password TP LINK Enter new Note The new user name and password must not exceed 31 characters in length and must consist of user set username username tplink numbers or letters All the fields are case
127. to offline O E userz tp link com user no ip info Offline Fa O Figure 3 65 NO IP DDNS The following items are displayed on this screen gt No IP DDNS Account Name Password Domain Name DDNS Service WAN Port DDNS Status gt List of No IP Account Enter the Account Name of your DDNS account If you have not registered click lt Go to register gt to go to the website of No IP for register Enter the password of your DDNS account Enter the Domain Name that you registered with your DDNS service provider Activate or inactivate DDNS service here Displays the WAN port for which No IP DDNS is selected Displays the current status of DDNS service Offline DDNS service is disabled Connecting client is connecting to the server Online DDNS works normally Authorization fails The Account Name or Password is incorrect Please check and enter it again In this table you can view the existing DDNS entries or edit them by the Action button 94 3 5 3 3 PeanutHull On this page you can configure PeanutHull DDNS client Choose the menu Services gt Dynamic DNS gt PeanutHull to load the following page PeanutHull DONS Account Mame Go to register Password DONS Service Activate 6 Inactivate WAN Port War 1 Service Type DONS Status Offline Domain Name View All List of Peanuthull Account Wy Oh Account Name Domain Name Status Action 1 useri Offline Fa O 2
128. to the router with the new address such as http 192 168 0 1 XX XX is the new management port number 3 Check to see if the management port has been mapped to the service port of the LAN host in the Virtual Server function If so you should make a change in the router s management port or virtual server s service port 4 Make sure that the NAT DMZ service is disabled Q4 Some function of the router need to define the IP address subnet with Subnet Mask What are the common values of the Subnet Mask Subnet Mask is a 32 bit binary address used to distinguish the network address and the host address When dividing the network the different Subnet Mask defines different subnet and each subnet owns different number of hosts After conversed from 32 bit binary address to decimal address the common Subnet Mask values can be 8 which represents the default Subnet Mask value of class A 255 0 0 0 16 which represents the default Subnet Mask value of class B 255 255 0 0 24 which represents the default Subnet Mask value of class C 255 255 255 0 or 32 which represents the default Subnet Mask value of class D 255 255 255 255 138 Appendix C Glossary RR ALG Application Layer ARP Address Resolution Protocol AH Authentication Header gt DDNS Dynamic Domain Name Server DHCP Dynamic Host Configuration Protocol DMZ Demilitarized Zone DNS Domain Name Server DSL Digital Su
129. ts Egress Limit Specify whether to enable Egress Limit feature Egress Rate Specify the limit rate for the egress packets The first entry in Figure 3 23 indicates The Ingress and Egress Limits are enabled for port 1 The Ingress mode is Flood while the Ingress and Egress Rates are 1Mbps That is the receiving rate for the ingress packets of Flood mode will not exceed 1Mbps and the transmitting rate for all the egress packets will not exceed 1Mbps 3 1 7 4 Port Config On this page you can configure the basic parameters for the ports Choose the menu Network Switch Port Config to load the following page 40 Port Config Port Status Flow Control Megotiation Mode 1 Enable Enable 2 Enable Enable J Enable Enable 4 Enable Enable z Enable Enable All Ports Figure 3 24 Port Config The following items are displayed on this screen gt Port Config Status Specify whether to enable the port The packets can be transported via this port after being enabled Flow Control Allows you to enable disable the Flow Control function Negotiation Mode Select the Negotiation Mode for the port All Ports Allows you to configure the parameters for all the ports at one time 3 1 7 5 Port Status On this page you can view the current status of each port Choose the menu Network Switch Port Status to load the following page Port Status Port Status SpeediMbps Duplex Mode Flow Control 1 Link down 2 Link down
130. ure the router by accessing the CLI from console such as Hyper Terminal or Telnet The following part will introduce the steps to access CLI via Hyper Terminal and some common CLI commands 5 1 Configuration To log on to the router by the console port on the router please take the following steps 1 Connect the PCs or Terminals to the console port on the router by the provided cable 2 Click Start All Programs Accessories Communications Hyper Terminal to open the Hyper Terminal as the Figure 5 1 shows S4 Admin Internet Internet Explorer ic E mail Microsoft Offic r Notepad gs Command Prompt e Outi Utility MSN Paint 04 All Programs OvisLink Wireless Clie Windows Media Play Set Program Access and Defaults W Windows Catalog Windows Update rq Program Updates G Accessories an Games 1 Startup 8 Internet Explorer Y MSN 5 Outlook Express e Remote Assistance windows Media Player 3 Windows Messenger EY Windows Movie Maker T Activate Windows E IxChariot fam ASMAX em LogMeTT E Tera Term fan Microsoft Office mm Macrovision E TP LINK m OvisLink _omputer I Accessibility fn Communications fan Entertainment I System Tools J Address Book Calculator GI Command Prompt Notepad Y Paint Program Compatibility Wizard Synchronize Tour Windows xP 3 Windows Explorer A WordPad
131. vate IP and public IP which allows private network users to visit the public network using private IP addresses With the explosion of the Internet the number of available IP addresses is not enough NAT provides a way to allow multiple private hosts to access the public network with one public IP at the same time which alleviates the shortage of IP addresses Furthermore NAT strengthens the LAN Local Area Network security of the network since the address of LAN host never appears on the Internet 3 3 1 1 NAT Setup On this page you can set up the NAT function Choose the menu Advanced NAT NAT Setup to load the following page 45 MAPT Source Port Range NAT D M2 NAT DMZ Enable Disable Host IF Address 192 168 0 1 00 Figure 3 30 NAT Setup The following items are displayed on this screen gt NAPT Source Port Range Enter the source port range between 2049 and 65000 the span of which must be not less than 100 gt NAT DMZ NAT DMZ Enable or disable NAT DMZ NAT DMZ is a special service of NAT application which can be considered as a default forwarding rule When NAT DMZ Pseudo DMZ is enabled all the data initiated by external network falling short of the current connections or forwarding rules will be forwarded to the preset NAT DMZ host Host IP Address Enter the IP address of the host specified as NAT DMZ server 3 3 1 2 One to One NAT On this page you can configure the One to O
132. vice port or port range provided by router for accessing external network All requests from Internet to this service port or port range will be redirected to the specified server in local network Internal Port Specify the service port of the LAN host as virtual server Protocol Specify the protocol used for the entry Internal Server IP Enter the IP address of the specified internal server for the entry All the requests from the Internet to the specified LAN port will be redirected to this host 51 Status Activate or inactivate the entry A Note e The External port and Internal Port should be set in the range of 1 65535 e The external ports of different entries should be different whereas the internal ports can be the same gt List of Rules In this table you can view the information of the entries and edit them by the Action buttons The first entry in Figure 3 33 indicates This is a Virtual Server entry named host1 all the TCP data packets from Internet to port 65534 65535 of the router will be redirected to the port 65534 65535 of the LAN host with IP address of 192 168 0 103 and this entry is activated 3 3 1 5 Port Triggering Some applications require multiple connections like Internet games video conferencing Internet calling P2P download and so on Port Triggering is used for those applications requiring multiple connections When an application initiates a connection to the trigger port all t
133. vious router which can avoid all the devices under this network node to update their ARP binding tables Set the MAC Address for WAN port In the condition that your ISP has bound the account and the MAC address of the dial up device if you want to change the dial up device to be TL ER5120 you can just set the MAC address of TL ER5120 s WAN port the same to the MAC address of the previous dial up device for a normal Internet connection Set the MAC Address for DMZ port The application of MAC address for DMZ port is similar to that for LAN port Choose the menu Network MAC Address gt MAC Address to load the following page MAC Port Current MAC Address Mac Clone Wah 00 14 8 00 01 35 Restore Factory Mac Clone Current PC s MAC WAnz 00 14 8 00 01 39 Restore Factory Mac Clone Current PC s MAC LAN 00 14 8 00 01 37 Restore Factory Mac DMZ 00 14 25 00 01 30 Restore Factory MAC Figure 3 20 MAC Address The following items are displayed on this screen gt MAC Address Port Displays the port type of the router Current MAC Address Displays the current MAC address of the port 35 MAC Clone It s only available for WAN port Click the lt Restore Factory MAC gt button to restore the MAC address to the factory default value or click the lt Clone Current PC s MAC gt button to clone the MAC address of the PC you are currently using to configure the router Then click lt Save gt to apply Note To avoid

TP-LINK TL-ER5120 router

Contents

Download Pdf Manuals

Related Search

Related Contents