Table of Contents D-Link DSL
Contents
1. 39 NETWORKING 41 CHECK YOUR IP ADDRESS 2cccceccececcececccecccceccececuccecaccesucueecucucuecsuaeceuaecaeaeeas 41 STATICALLY ASSIGN AN IP ADDRESS cccecceccececcecceccececcecceccececcuccucauaucecaceaeees 42 TECHNICAL 43 2 Section 1 Product Overview Package Contents DSL 2520U ADSL Router Power Adapter P N 91000 CD ROM with User Manual and USB network driver One twisted pair telephone cable used for ADSL connection One straight through Ethernet cable One USB cable One Quick Installation Guide Note Using a power supply with a different voltage rating than the one included with the DSL 2520U will cause damage and void the warranty for this product oystem Requirements e ADSL Internet service Computer with 200MHz Processor 64MB Memory CD ROM Drive Ethernet Adapter with TCP IP Protocol Installed Internet Explorer v6 or later FireFox v1 5 Computer with Windows 2000 Windows XP or Windows Vista ink Click n Connect Utility e D D Link DSL 2520U User Manual Section 1 Product Overview Features PPP Point to Point Protocol Security The DSL 2520U ADSL Router supports PAP Passwo2. 23 Se af 25 QUALITY OF SERVICE aaan 26 Queue Config es 26 QoS Classification 808 298BA esses 27 RUPEE CREER EEE 28 b eee 29 uada REED GA Em 31 D Link DSL 2520U User Manual BpihYerelcije cm met s m 32 MANAGEMENT 2 33 SETTINGS A28 BB mnn nnne 33 SYSTEM nnne nnne 34 SNMP nei a 35 INTERNET TIME eeee eI III rIR mne anann n anaa ALLER AALA re re re re se repe rai reir aa ia 35 ACCESS 36 UPDATE SOFTWARE 2ccccccccceccececccceccccecnccecueuecuececueauaecsececsuaeeecaesucaunecsunecauaecass 37 SAVHBBBOOT 38
3. Reverb Medley Q No retrain Ow Tone Selection Select the appropriate upstream and downstream tones for your ADSL connection Click the Apply button to let your settings take effect FMi 2 Ms Me v7 Me Mio Miz wis v i5 16 v i7z Mis 119 M20 Mai Mae Mas 24 w 25 M26 M27 2 v 29 v 3o v 31i Downstream Tones 32 Mas Mas Mas w 36 137 Miss Mas Mao Ma Ma Mas Mas Mas Mas Mlay 48 49 50 v 51 w 52 M53 54 55 156 57 158 Miso Meo Mei 162 v e3 Mes 165 Mes 6 169 Myo 71 M72 7 74 M75 76 77 Mize w 79 181 Me Me Mes Mes Mise 87 Mes Mes Moo v o1 Mo Mos 194 95 96 v o7 199 v 100 M101 v 102 v 103 v 104 v 105 v 106 v 107 v 108 v 109 v 110 v 111 112 v 113 v 114 v 115 v 1316 v 117 v 118 v 119 v 120 v 121 v 122 v 123 v 124 v 125 v 126 v 127 128 v 129 v 130 v 131 v 132 v 133 v 134 v 135 v 136 v 137 v 138 v 138 v 140 v 141 v 142 v 143 144 v 145 v 146 v 147 v 148 v 149 v 150 v 151 v 152 v 153 v 154 v 155 v 156 v 157 v 158 v 159 160 v 161 v 162 v 163 v 164 v 165 v 166 v 167 v 168 v 169 v 170 v 171 v 172 v 173 v 174 v 175 176 v 177 v 178 v 179 v 180 v 181 v 182 v 183 v 184 v 185 v 186 v 187 v 188 v 189 v 190 v 191 192 v 193 v 194 v 195 v 196 v 197 v 198 v 199 v 200 v 201 v
4. options Click on the Refresh button to refresh the system log settings System Log Configuration The system log displays chronological event log data The event log can be read from local host or sent to a System Log server The available event severity levels are Emergency Alert Critical Error Warning Notice Informational and Debugging This window allows you to log selected events When you are finished click the Save Apply button D Link DSL 2520U User Manual System Log The System Log dialog allows you to view the System Log and configure the System Log options Click View System Log to view the System Log Click Configure System Log to configure the System Log options View System Log Configure System Log System Log Date Time Facility S erity Message System Log Configuration If the site hire rii d deaf p Log Le imde ected le will b For the drin el all ogge 1 ts above mde ito the se cted le be dis vin E the se el cted mode is Both even vil be t to the sp i Md ID s ad bra s and UDP p ort the emote n g server f the selec ed mode is Lo or Both wating will b hd in the local cect Select the desired values and click Save Apply to configure the system log options Log 9 Disable Enable Log Level Error v Display Level Error v Mode Local v 34 SNMP Agent To access the SNMP Con
5. 1650 1591 l Super Frame Errors D D red IIm Ch P SS RS Words hisses RS Correctable Errors T 1 RS Uncorrectable Errors T N A HEC Errors D D OCD Errors 0 D LCD Errors D D Total Cells 504754 D Data Cells T D Bit Errors D T pe i Total ES T T Total SES D D 1 otal UAS 76 D Select the test duration below and click Start 100 ADSL BER Test Reset Statistics D Link DSL 2520U User Manual 21 Section 3 Configuration Route To access the Device Info Route window click the Route button in the Device Info directory This read only window displays routing info Device Info Route Flags U up reject G gateway host R reinstate D dynamic redirect M modified redirect Destination Gateway Subnet Mask Flag Metric Service Interface 10 0 0 0 0 0 0 1255 0 0 0 U 0 br ARP To access the Device Info ARP window click the ARP button in the Device Info directory This read only window displays Address Resolution Protocol info Device Info ARP IP address Flags HW Address Device 10 24 22 26 Complete 00 15 F2 09 9C DE br DHCP To access the Device Info DHCP Leases window click the DHCP button in the Device Info directory This read only window displays DHCP lease info Device Info DHCP Leases Hostname MAC Address IP Address Expires In D Link DSL 2520U User Manual 22 Section 3
6. VCI to identify the data path between your ADSL service provider s network and your computer If you are setting up the Router for multiple virtual connections you will need to configure the VPI and VCI as instructed by your ADSL service provider for the additional connections VCI Most users will not be required to change this setting The Virtual Channel Identifier VCI used in conjunction with the VPI to identify the data path between your ADSL service provider s network and your computer If you are setting up the Router for multiple virtual connections you will need to configure the VPI and VCI as instructed by your ADSL service provider for the additional connections D Link DSL 2520U User Manual 9 Section 2 Installation Information you will need about DSL 2520U Username This is the Username needed access the Router s management interface When you attempt to connect to the device through a web browser you will be prompted to enter this Username The default Username for the Router is admin The user cannot change this Password This is the Password you will be prompted to enter when you access the management interface The default Password is admin The user may change this LAN IP addresses for the DSL 2520U This is the IP address you will enter into the Address field of your web browser to access the Router s configuration graphical user interface GUI using a web browser The default IP address is
7. gt NE CASO OE C O Toc e PS a n a vs Internet A solid green light indicates the WAN IP address from IPCP or DHCP or a static IP address is configured and a PPP negotiation has been successfully completed A blinking green light indicates activity A solid red light indicates there is a remote server failure for DHCP PPPoE or static IP address assignment Status A blinking green light indicates the system is operating normally System failure is indicated by either a steady green or dark light Steady green light indicates a valid USB connection A blinking green light indicates activity on the USB interface Steady green light indicates a valid USB connection A blinking green light indicates activity on the USB interface D Link DSL 2520U User Manual 6 Section 2 Installation Installation This section will walk you through the installation process Placement of the Router is very important Do not place the Router in an enclosed area such as a closet cabinet or in the attic or garage Before You Begin Please read and make sure you understand all the prerequisites for proper installation of your new Router Have all the necessary information and equipment on hand before beginning the installation Installation Notes In order to establish a connection to the Internet it will be necessary to provide information to the Router that will be stored in its memo
8. 11 Section 2 Installation Device Installation The DSL 2520U connects two separate physical interfaces an ADSL WAN and an Ethernet LAN interface Place the Router in a location where it can be connected to the various devices as well as to a power source The Router should not be located where it will be exposed to moisture excessive heat Make sure the cables and power cord are placed safely out of the way so they do not create a tripping hazard As with any electrical appliance observe common sense safety procedures The Router can be placed on a shelf or desktop ideally you should be able to see the LED indicators on the front if you need to view them for troubleshooting Power on Router The Router must be used with the power adapter included with the device 1 Insert the AC Power Adapter cord into the power receptacle located on the rear panel of the Router and plug the adapter into a suitable nearby power source 2 Depress the Power button into the on position You should see the Power LED indicator light up and remain lit The Status LED should light solid green and begin to blink after a few seconds the Ethernet port is connected to a working device check the Ethernet Link Act LED indicators to make sure the connection is valid The Router will attempt to establish the ADSL connection if the ADSL line is connected and the Router is properly configured this should light up after several seconds If this is the f
9. The Router may be connected to a single computer or Ethernet device through the 10BASE TX Ethernet port on the rear panel Any connection to an Ethernet concentrating device such as a switch or hub must operate at a speed of 10 100 Mbps only When connecting the Router to any Ethernet device that is capable of operating at speeds higher than 10Mbps be sure that the device has auto negotiation NWay enabled for the connecting port Use standard twisted pair cable with RJ 45 connectors The RJ 45 port on the Router is a crossed port MDI X Follow standard Ethernet guidelines when deciding what type of cable to use to make this connection When connecting the Router directly to a PC or server use a normal straight through cable You should use a crossed cable when connecting the Router to a normal MDI X port on a switch or hub Use a normal straight through cable when connecting it to an uplink MDI II port on hub or switch The rules governing Ethernet cable lengths apply to the LAN to Router connection Be sure that the cable connecting the LAN to the Router does not exceed 100 meters Hub or Switch to Router Connection Connect the Router an uplink port MDI II on an Ethernet hub or switch with a straight through cable If you wish to reserve the uplink port on the switch or hub for another device connect to any on the other MDI X ports 1x 2x etc with a crossed cable Computer to Router Connection You can connect the Router directly to a
10. appear briefly during the installation InstallShield Wizard InstallShield Wizard D Link DSL USB Driver Setup is preparing the Install hieldH L Wizard which will guide you through the rest of the setup D Link DSL USB Driver Setup is performing the requested operations process Please wall D Link DSL 2520U User Manual 14 Section 2 Installation InstallShield Wizard InstallShield Wizard Complete Setup has finished installing D Link OSL USE driver on your computer Flease connect pour USB cable 2 Click Finish to complete the InstallShield Wizard installation process The Router is now ready to be connected to the USB port of your computer When the USB driver has been installed make sure the Router is powered on and insert one end of the USB cable included with the Router into the DSL 2520U Router s USB port Insert the other end of the USB cable into a USB port on your PC Check the USB LED on the front of the Router to confirm that the connections have been made This should light green when the USB cable is connected To uninstall the USB driver from the Windows Start menu go to Start gt Programs gt DSL USB Driver and click the Uninstall USB Driver icon You will have to confirm that you are uninstalling the USB driver D Link DSL 2520U User Manual 15 Section 3 Configuration Configuration This section will show you how to configure your new D Link Router using the web based configurati
11. server from your ISP iur etia Default gateway Step 5 Click on the OK twice to save your settings CL UR ee ee Preferred DNS server 192 Alternate DNS server Advanced D Link DSL 2520U User Manual 42 ADSL Standards ANSI T1 413 Issue 2 ITU G 992 1 G dmt AnnexA ITU G 992 2 G lite Annex A ITU G 994 1 G hs ITU G 992 5 Annex A ADSL2 Standards ITU G 992 3 G dmt bis Annex A G 992 4 G lite bis Annex A Protocols IEEE 802 1d Spanning Tree TCP UDP ARP RARP ICMP RFC1058 RIP v1 1213 SNMP v1 amp v2c RFC1334 PAP RFC1389 RIP v2 RFC1577 Classical IP over ATM RFC1483 2684 Multiprotocol Encapsulation over ATM Adaptation Layer 5 AALS RFC1661 Point to Point Protocol HFC1994 CHAP HFC2131 DHCP Client DHCP Server HFC2364 PPP over HFC2516 PPP over Ethernet Technical Specifications Data Transfer Rate Gdmt full rate downstream up to 8 Mbps upstream up to 1 Mbps Glite ADSL downstream up to 1 5 Mbps upstream up to 512 Kbps Gdmt bis full rate downstream up to 12 Mbps upstream up to 12 Mbps e ADSL full rate downstream up to 24 Mbps upstream up to 1 Mbps Media Interface e ADSL interface RJ 11 connector for connection to 24 26 AWG twisted pair telephone line e LAN interface RJ 45 port for 10 1 00BASE T Ethernet connection e USB interface USB port Type B connector USB 1 1 Specification
12. 10 100BASE TX Ethernet adapter card NIC installed on a PC using the Ethernet cable provided or connect a single computer to the USB port Connect to USB Port Before using the USB port to connect a computer to the Router first install the USB network driver on the computer Follow the instructions below to install the USB driver D Link DSL 2520U User Manual 13 Section 2 Installation Installing the USB Driver IMPORTANT Do not connect the USB cable to your PC before completing the below steps The CD ROM shipped with the Router contains the USB driver software Insert the DSL 2520U CD ROM into the CD drive Within a few seconds you should see a window that offers the following options Install DSL 2520U Quick Install Guide View Manual Install Acrobat Reader and Exit If you do not see this auto run pop up window explore the CD ROM and double click the setup application file autorun exe or find the file Setup exe in the folder labeled USBDRIVER and double click it to launch the installation software The auto run USB driver setup must be completed before connecting the router to your PC with the USB cable To install the driver follow these instructions 1 Click the Install DSL 2520U link or Setup exe file in the USBDRIVER folder on the CD ROM in to launch the USB driver installation software The Windows InstallShield Wizard launches automatically and installs the USB driver A few screens such as the examples pictured here will
13. 192 168 1 1 This may be changed to suit any IP address scheme the user desires This address will be the base IP address used for DHCP service on the LAN when DHCP is enabled LAN Subnet Mask for the DSL 2520U This is the subnet mask used by the DSL 2520U and will be used throughout your LAN The default subnet mask is 255 255 255 0 This can be changed later D Link DSL 2520U User Manual 10 Section 2 Installation Information you will need about your LAN or computer Ethernet NIC If your computer has an Ethernet NIC you can connect the DSL 2520U to this Ethernet port using an Ethernet cable You can also use the Ethernet ports on the DSL 2520U to connect to other computer or Ethernet devices DHCP Client status Your DSL 2520U ADSL Router is configured by default to be a DHCP server This means that it can assign an IP address subnet mask and a default gateway address to computers on your LAN The default range of IP addresses the DSL 2520U will assign are from 192 168 1 2 to 192 168 1 254 Your computer or computers needs to be configured to obtain an IP address automatically that is they need to be configured as DHCP clients is recommended that your collect and record this information here in some other secure place in case you have to re configure your ADSL connection in the future Once you have the above information you are ready to setup and configure your DSL 2520U ADSL Router D Link DSL 2520U User Manual
14. 2 pe Search Sf Favorites 42 A 56 EE 33 D Link page opens Device Info Device Info Advanced Setup es inn Diagnostics Management Software Version DSL 2520U 1 00 11212007 Bootloader CFE Version before 1 0 37 5 12 This information reflects the current status of your DSL connection Line Rate Upstream Kbps Line Rate Downstream Kbps IP Address 192 168 1 1 Default Gateway Primary DNS Server 192 168 1 1 Secondary DNS Server 192 168 1 1 Recommend 800 600 pixels High Color 16 Bits D Internet D Link DSL 2520U User Manual 17 Section 3 Configuration Summary This window displays the current status of your DSL connection including Device Info the software version LAN IP address and DNS server address Board ID IDSL 2520U Software Version RU DSL 2920L 1 00 11212007 Bootloader CFE Version before 10 37 5 12 This information reflects the current status af your DSL connection Line Rate Upstream Kbps Line Rate Downstream Kbps LAN IP Address 192 165 1 1 Default Gateway Primary Server 192 168 1 1 Secondary Server 192 168 1 1 D Link DSL 2520U User Manual 18 Section 3 Configuration WAN To access the WAN Info WAN Info window click the WAN button E MR in the Device Info directory Port V PI CI Con ID Category Service
15. 202 v 203 v 204 v 205 v 206 v 207 208 v 209 v 210 v 211 v 212 v 213 v 214 v 215 v 216 v 217 v 218 v 219 v 220 v 221 v 222 v 223 224 v 225 v 226 v 227 v 228 v 229 v 230 v 231 v 232 v 233 v 234 v 235 v 236 v 237 v 238 v 239 240 v 241 v 242 v 243 v 244 v 245 v 246 v 247 v 248 v 249 v 250 v 251 v 252 v 253 v 254 v 255 D Link DSL 2520U User Manual 30 PPTP To access the PPTP Setting window click the PPTP button in the Advanced Setup directory To set up Point to Point Tunnel Protocol tick the Enable check box enter PPTP Setting the appropriate information in the fields offered and then click the Set Point to Point Tunnel Protocol VPN Save Apply button when you are finished Enable L Tunnel Name B 5 PPTP Server IP Address User Name Peer IP Address fe Peer Subnet Mask f Save Apply D Link DSL 2520U User Manual 31 Section 3 Configuration To access the Diagnostics window click the Diagnostics button in the Diagnostics directory This window is used to test connectivity of the Router D Link DSL 2520U User Manual Device Info Advanced Setup Diagnostics Management Diagnostics br_0_0_35 Diagnostics Your modem is capable of testing your DSL connection The individual tests are listed below If test displays a fail status click Rerun Diagnostic Tests at the bottom of this page to make sure th
16. CATION RULES Class DSCP Queue 802 1 Lan Source Source Dest Dest Source Destination Name 10 Port Protocol OSE Addr Mask Port Addr Mask Port Addr Mask MAC 802 1P Order Enable Disable Remove Edit Addr Mask Add Network Traffic Class Rule The screen creates a traffic class rule to classify the upstream traffic assign queue which defines the precedence and the interface and optionally overwrite the IP header DSCP byte A rule consists of a class name and at least one condition below All of the specified conditions in this classification rule must be satisfied for the rule to take effect Click Save Apply to save and activate the rule Traffic Class Name Rule Order l x Rule Status v Assign ATM Priority and or DSCP Mark for the class If non blank value is selected for Assign Differentiated Services Code Point DSCP Mark the correcponding DSCP byte in the IP header of the upstream packet is overwritten by the selected value Assign Classification Queue v Assign Differentiated Services Code Point DSCP Mark v p Mark 802 1p if 802 1q is enabled v Specify Traffic Classification Rules Enter the following conditions either for IP level SET 1 or for IEEE 802 1p SET 2 SET 1 Protocol wv Differentiated Services Code Point DSCP Check v IP Address v Source Subnet Mask UDP TCP Source Port port or port port Destinati
17. Configuration Advanced Setup This chapter include the more advanced features used for network management and security as well as administrative tools to manage the Router view status and other information used to examine performance and for troubleshooting WAN To access the Wide Area Network WAN Setup window click the WAN button in the Advanced Setup directory This window is used to configure the WAN interface You can add delete and modify WAN interfaces on this window Og kes OB eS Once the desired changes to the WAN interface are complete click the address htt 192 168 1 1 Save Reboot button If you are setting up the WAN interface for the first time click the Add button Ev 2n Wide Area Network WAN Setup Choose Add Edit or Remove to configure WAN interfaces Choose Save Reboot to apply the changes and reboot the system Con Port Vpi ci ID Category Service Interface Protocol Igmp QoS State Remove Edit Security Quality of Service Routing DNS DSL Port Mapping PPTP Diagnostics Management 0 0 32 1 UBR pppoe 00 32 O ppp 00 32 1 PPPoE Disabled Disabled Enabled J Recommend 800x600 pixels High Color 16 Bits Internet D Link DSL 2520U User Manual 23 section 3 Configuration The ATM PVC Configuration window allows you to set up ATM PVC The a configuration Enter a Port Identifier Virtual Path Identifier and
18. IP Address 132 158 1 2 LL End IP Address 182 168 1 254 Subnet Mask 255 255 255 0 Leased Time howyp4 configure the second IP Address and Subnet Mask for LAM interface 25 Section 3 Configuration Quality of Service QoS or Quality of Service allows your Router to help prioritize the data packet flow in your Router and network This is very important for time sensitive applications such as VoIP where it may help prevent dropped calls Large amounts of non critical data can be scaled so as not to affect these prioritized sensitive real time programs To access the QoS Queue Management Configuration window click the Quality of Service button in the Advanced Setup directory This window allows you to set up QoS on the Router When you are finished click on the Save Apply button checkbox is selected choose a default DSCP mark to automatically mark incoming traffic without reference to a particular classifier Click Save Apply button to save it Note If Enable Qos checkbox is not selected all QoS will be disabled for all interfaces Note The default DSCP mark is used to mark all egress packets that do not match any classification rules Enable QoS Select Default DSCP Mark Change 1 Queue Config Click the Add button to add a QoS Queue Configuration table entry 005 Queue Configuration maximum 16 entries can be configured Interfacename Description Precedence Que
19. Interface Protocol Igmp QoS State Status Address 1 UBR pppoe 0 0 32 D pop D 0 32 1 PPPOE Disabled Disabled Enabled PPP Down This menu displays the p current status of your WAN 0 0 35 1 LBR br 0 35 nas 00 35 Bridge Disabled Enabled Up connection n araa 1 LIBR br 0 3 33 nas D 3 33 Bridge Disabled Enabled Up D Link DSL 2520U User Manual 19 Section 3 Configuration Statistics To access the Router s first Statistics window click the Statistics button in the Device Info directory This window displays the Router s LAN statistics Click the Reset Statistics button to refresh these statistics This window displays the Router s WAN statistics Click the Reset Statistics button to refresh these statistics This window displays the Router s ATM statistics Click the Reset button to refresh these statistics D Link DSL 2520U User Manual Statistics LAN Interface Transmitted Received Transmitted A Bytesh Pkts Drops Bytes Pkts Drops Ethernet 332245 2942 0 1382868 2135 0 Reset Statistics Statistics WAN Service VPI PI VCI CIPr Protocol Interf ace Transmitted oo Tykes Pits Es DropeytesPkistmeDrop br 0 0 35 0 0 35 Bridge nas 0035 0 olol o 1278 bros 50 8 35 Bridge nas 08 35 010 o 1276 a a Reset Statistics ATM Interfac
20. USER MANUAL DSL 2520U BROADBAND Table of Contents Table of Contents PACKAGE CONTENT 3 SYSTEM REQUIREMENTS E RR 3 FEATURE 4 HARDWARE 5 CO OCHO oe 5 LE DS 5 6 INSTALLATION oesi EE EE 7 BEFORE YOU t RN 7 INSTALLATION NOTES 7 Information you will need from your ADSL service provider 9 Information you will need about 051 25200 10 DEVICE INSTALLATION tipos ee Puto ew etam or 12 2017 2 d OF Router RRNERMIRNEER E 12 F cltory TICS BONON T 12 Network 13 Installing the USB 14 CONFIGURATION 16 WEB BASED CONFIGURATION UTILITY 16 a2de lljemMe 17 18 D 19 IPs c V wm 20 a ee E 22 eS WU WM 22 Be e UE o TEE 22 ADVANCED Aen 23 ln
21. Virtual a Channel Identifier The VPI and VCI values should be provided by your nfiguration allows you to configure an ATM PVC identifier PORT and VPI and VCI and select a service category Otherwise choose an existing interface by selecting the checkbox to 0 ISP This window also allows you to enable QoS by ticking the Enable Quality of Service check box Click the Next button to continue Enabling packet level QoS for a PVC improves performance for selected classes of applications QoS cannot be set for CBR and Realtime VBR QoS consumes system resources therefore the number of PVCs will be reduced Use Advanced Setup Quality of Service to assign priorities for the applications Enable Quality Of Service J This window allows you to select the appropriate connection type The Connection Type choices include PPP over ATM PPPoA PPP over Ethernet PPPoE RN MAC Encapsulation Routing MER IP over ATM Bridging Select the type of network protocol for IP over Ethernet as WAN interface eran PPP over ATM PPPoA This window also allows you to use the drop down menu to select the desired Encapsulation Mode Click the Next button to continue PPP over Ethernet PPPoE For further information about each of the five connection types available on the Router please go to the Quick Setup section earlier in this manual as all of the windows are identical IP over ATM MAC E
22. computer that enables the computer to access the Internet Additional software must be installed if you are using the device a simple bridge For a bridged connection the information needed to make and maintain the Internet connection is stored on another computer or gateway device not in the Router itself If your ADSL service is delivered through a PPPoE or PPPoA connection the information needed to establish and maintain the Internet connection can be stored in the Router In this case it is not necessary to install software on your computer It may however be necessary to change some settings in the device including account information used to identify and verify the connection All connections to the Internet require a unique global IP address For bridged connections the global IP settings must reside in a TCP IP enabled device on the LAN side of the bridge such as a PC a server a gateway device such as a router or similar firewall hardware The IP address can be assigned in a number of ways Your network service provider will give you instructions about any additional connection software or NIC configuration that may be required D Link DSL 2520U User Manual 8 Section 2 Installation Information you will need from your ADSL service provider Username This is the Username used to log on to your ADSL service provider s network Your ADSL service provider uses this to identify your account Password This is the Password used in conjun
23. cted to selected You must reboot the router to get the automatic assigned default gateway Enable Automatic Assigned Default Gateway Routing Static Route A maximum 32 entries can be configured Destination Subnet Mask Gateway Interface Remove Routing Static Route Add Enter the destination network address subnet mask gateway AND OR available WAN interface then click Save Apply to add the entry to the routing table Destination Network Address Subnet Mask Use Gateway IP Address Use Interface v 28 Section 3 Configuration DSL To access the DSL Settings window click the DSL Setup button in the Advanced Setup directory DSL Settings This window allows you to select the desired modulation phone line pair select the modulation below and capability Click the Save Apply button when you are finished G Dmt Enabled G lite Enabled Click the Advanced Settings button to select a DSL test mode ndi ADSL Enabled AnnexL Enabled ADSL2 Enabled C AnnexM Enabled Select the phone line pair below Inner pair Q Outer pair Capability Bitswap Enable C SRA Enable Save Apply Advanced Settings D Link DSL 2520U User Manual 29 Section 3 Configuration Select the desired DSL test mode and then click the Apply button DSL Advanced Settings Click the Tone Selection button to modify the upstream and downstream 55 1S 15E 99s e0 tones Normal
24. ction with the Username above to log on to your ADSL service provider s network This is used to verify the identity of your account WAN Setting Connection Type These settings describe the method your ADSL service provider uses to transport data between the Internet and your computer Most users will use the default settings You may need to specify one of the following WAN Setting and Connection Type configurations Connection Type settings listed in parenthesis PPPoE PPoA PPPoE LLC PPPoA or PPPoA VC Mux e Bridge Mode 1483 Bridged IP LLC or 1483 Bridged IP VC Mux e PoA MER Static IP Address Bridged IP LLC 1483 Bridged IP VC Mux 1483 Routed IP LLC 1483 Routed IP VC Mux or IPoA e MER Dynamic IP Address 1483 Bridged IP LLC or 1483 Bridged IP VC Mux Modulation Type ADSL uses various standardized modulation techniques to transmit data over the allotted signal frequencies Some users may need to change the type of modulation used for their service The default DSL modulation ADSL2 Multi Mode used for the Router automatically detects all types of ADSL ADSL2 and ADSL2 modulation Security Protocol This is the method your ADSL service provider will use to verify your Username and Password when you log on to their network Your Router supports the PAP and CHAP protocols VPI Most users will not be required to change this setting The Virtual Path Identifier VPI is used in conjunction with the Virtual Channel Identifier
25. d reboot the router Save Reboot D Link DSL 2520U User Manual 38 Appendix A Troubleshootin Troubleshooting This chapter provides solutions to problems that might occur during the installation and operation of the DSL 2520U Read the following descriptions if you are having problems The examples below are illustrated in Windows XP If you have a different operating system the screenshots on your computer will look similar to the following examples 1 How dol configure my DSL 2520U Router without the CD ROM e Connect your PC to the Router using an Ethernet cable e Open a web browser and enter the address hitp 192 168 1 1 The default username is admin and the default password is admin e f you have changed the password and cannot remember it you will need to reset the Router to the factory default setting see question 2 which will set the password back to admin Note gt Please refer to next section Network Basics to check your PC s IP configuration if you can t see the login window 2 How dolreset my Router to the factory default settings e Ensure the Router is powered e Press and hold the reset button on the back of the device for approximately 5 to 8 seconds his process would take about 30 60 seconds to complete Note Resetting the Router to the factory default settings will erase the current configuration settings To reconfigure your settings log into the Router as outlined in ques
26. e Statistics In Hec In Invalid Vpi Vci In Port Not Enable In PTI In Idle In Circuit Type In OAM RM CRC In GFC rrors Errors Errors Cells Errors Errors Errors In In In Octets ud Errors Unknown Ee A c ow pw px 0 0 o o o 9 AAL5 Interface Statistics In Octe ts Out Octe ts In Ucast Pkts Out Ucast Pkts In Errors Ou t Errors In Discards E t Discards 0 0 0 0 0 0 0 0 AALS Statistics VPI VCI CRC Errors SAR Timeouts Oversized SDUs Short Packet Errors Length Errors 20 Section 3 Configuration This window displays the Router s ADSL statistics Click the Reset Statistics button to refresh these statistics Statistics ADSL ode G DMT Click the ADSL BER Test button to test functional ADSL parameters of Interleave the physical ADSL connection Line Coding Trellis On Status Defect Link Power State L 0 _ P http 192 168 1 1 berstart tst berState 0 W a X OWNSTreamuUpstream http 92 168 1 1 berskarb EsEt bersbake U ttainable Rate Kbps The ADSL Bit Error Rate BER test determines the ate Kbps quality of the ADSL connection The test is done by transferring idle cells containing a known pattern IE nnd and comparing the received data with this known i RS code word size in DMT frame pattern to check for any errors interleaver depth elay msec Super Frames
27. e fail status is consistent If the test continues to fail click Help and follow the troubleshooting procedures Test the connection to your local network PASS Help Test ADSL Synchronization Help Test F5 segment ping Helo Test ATM OAM F5 end to end ping F Help Previous Connection Mext Connection Test With OAM F4 32 Section 3 Configuration Management The Management directory features an array of options designed to help you get the most out of your Router Settings To access the Settings Backup window click the Settings button in the Management directory Device Info Settings Backup Advanced Setup This window allows you to backup your DSL Router Backup DSL router configurations You may save your router configurations to on your configurations DIABBBSTIES PC Management Click the Backup Settings settings button to save your Router System Log configurations to a file on SNMP Agent your computer Internet Time Access Control Update Software Save Reboot D Link DSL 2520U User Manual 33 Section 3 Configuration System Log These windows allow you to view the System Log and configure the System Log options To access the System Log window click the System Log button in the Management directory Click the View System Log button to view the System Log Click the Configure System Log button to configure the System Log
28. figuration window click the SNMP Agent button in the Management directory Simple Network Management Protocol allows a management application gt lt lt lt to retrieve statistics and status from the SNMP agent in the Router When you are finished click the Save Apply button Simple Network Management Protocol SNMP allows a management application to retrieve statistics and status from the SNMP agent in this device Select the desired values and click Apply to configure the SNMP options SNMP Agent Disable Enable Read Community public Set Community private System Name DSL 2500U E System Location D Link E System Contact ADSL i Trap Manager IP 0 0 0 0 Save Apply Internet Time To access the Time settings window click the Internet Time button in the Management directory This window allows you to set the Router s time configuration When Time settings are finished click the Save Apply button This page allows you to the modem s time configuration Automatically synchronize with Internet time servers Save ly D Link DSL 2520U User Manual 35 Section 3 Configuration Access Control To access the Access Control windows click the Access Control button in the Management directory Access Control Services Enable or disable the desired LAN services When you are finished click the Save Apply button Access Control IP Addres
29. ing unauthorized users i E uU zi 3 CN from gaining access to your computer through the Internet or a network aee o x D Accessibility Add Hardware Add or Administrative Automatic Date and Time Display Switch to Category View i an recommended e v t ux ge a 2 This setting blocks all outside sources from connecting to this See Also S computer with the exception of those selected on the Exceptions tab Folder Options Fonts Gam Intel R Internet Keyboard Mouse windows Update Controllers Extre i Help and Support e bLA z Select this wh t to public networks in Network Network Setup Phone and Power Options Printers and Regional and Scanners and oves ubl ie caedis is ae nu cad ar ar as Connections Wizard Modem Faxes Language Cameras locations such as airports will not be notified when Windows Firewall blocks programs Selections on the Exceptions tab will be 3 gt 9 L4 l ignored Scheduled Security SoundMAX Sounds and Speech System Taskbar and iU gl eio Tasks Audio Devices Start Menu not recommended X Avoid using this setting Turning off Windows Firewall may make this b computer more vulnerable to viruses and intruders User Accounts Windows Wireless Firewall Network Set What else should know about Windows F
30. irewall Note There might be a potential security issue if you disable the setting of Firewall on your PC Please remember to turn it back on once you have finished the whole installation procedure and can surf on Internet without any problem D Link DSL 2520U User Manual 40 Appendix B Networking Basics Networking Basics Check Your IP Address After you install your new D Link adapter by default the TCP IP settings should be set to obtain an IP address from a DHCP server i e wireless router automatically To verify your IP address please follow the steps below Click on Start gt Run In the run box type and click on the OK At the prompt type pconfig and press Enter This will display the IP address subnet mask and the default gateway of your adapter If the address is 0 0 0 0 check your adapter installation security settings and the settings on your router Some firewall software programs may block a DHCP request on newly installed adapters If you are connecting to a wireless network at a hotspot e g hotel coffee shop airport please contact an employee or administrator to verify their wireless network settings C WINDOWS system32 cmd exe Microsoft Windows Version 5 1 26 1 Copyright 1985 2661 Microsoft Corp C Documents and Settings gt ipconf ig Windows IP Configuration Ethernet adapter Local Area Connection Connection specific DNS Suffix Sub
31. irst time installing the device some settings may need to be changed before the Router can establish a connection Factory Reset Button The Router may be reset to the original factory default settings by using a ballpoint or paperclip to gently push down the reset button in the following sequence 1 Press and hold the reset button while the device is powered off 2 Turn on the power 3 Wait for 5 8 seconds and then release the reset button Hemember that this will wipe out any settings stored in flash memory including user account information and LAN IP settings The device settings will be restored to the factory default IP address 192 168 1 1 and the subnet mask is 255 255 255 0 the default management Username is admin and the default Password is admin D Link DSL 2520U User Manual 12 Section 2 Installation Network Connections Connect ADSL Line Use the ADSL cable included with the Router to connect it to a telephone wall socket or receptacle Plug one end of the cable into the ADSL port RJ 11 receptacle on the rear panel of the Router and insert the other end into the 11 wall socket If you are using a low pass filter device follow the instructions included with the device or given to you by your service provider The ADSL connection represents the WAN interface the connection to the Internet It is the physical link to the service provider s network backbone and ultimately to the Internet Connect Router to Ethernet
32. ncapsulation Routing MER 9 Bridging Encapsulation Mode LLC SNAP BRIDGING D Link DSL 2520U User Manual 24 Section 3 Configuration LAN You can configure the LAN IP address to suit Local Area Network LAN Setup your prefe rence Many users will find It Configure the OSL Router IP Address and Subnet Mask for LAN interface Save button only saves the LAN configuration data SavefReboot button convenient to use the default settin gs together saves the LAN configuration data and reboots the router to make the new configuration effective with DHCP service to manage the IP settings for IP Address 192 168 1 1 their private network The IP address of the Subnet Mask 255 255 2550 Router is the base address used for DHCP In order to use the Router for DHCP on your LAN MM the IP address pool used for DHCP must be compatible with the IP address of the Router The IP addresses available in the DHCP IP address pool will change automatically if you change the IP address of the Router To access the Local Area Network LAN Setup window click the LAN button in the Advanced Setup directory This window allows you to set up a LAN interface including IP settings and DHCP server function When you are finished click either the Save or Save Reboot button D Link DSL 2520U User Manual Enable IGMP Snooping Standard Mode Blocking Mode Disable DHCP Server Enable Server Start
33. net Mask Default Gateway C Documents and Settings gt D Link DSL 2520U User Manual 41 Appendix B Networking Basics Statically Assign An IP Address If you are not using a DHCP capable gateway router or you need to assign a static IP address please follow the steps below Step 1 Windows XP Click on Start gt Control Panel gt Network Connections Windows 2000 From the desktop right click on the My Network Places gt Properties Step 2 Right click on the Local Area Connection which represents your D Link network adapter and select Properties Step 3 Highlight Internet Protocol TCP IP and click on the Properties Step 4 Internet Protocol Properties Click on the Use the following IP address and enter an IP address that is on the same subnetas au your network or the LAN IP address on your router T ou can get IP settings assigned automatically if your network supports Example If the router s LAN IP address is 192 168 1 1 make your IP address 192 168 11 X where CM EUN pala ciun itk X is a number between 2 and 99 Make sure that the number you choose is not in use on the m network Set Default Gateway the same as the LAN IP address of your router 192 168 1 1 dap Sp ee Use the following IP address IP address Set Primary DNS the same as the LAN IP address of your router 192 168 1 1 The Secondary DNS is not needed or you may enter a DNS
34. on IP Address Destination Subnet Mask UDP TCP Destination Port port or port port Source MAC Address The MAC address format is xx xx2ocxxoocxx Source MAC Mask Destination MAC Address Destination MAC Mask SET 2 802 1p Priority v 27 Section 3 Configuration Routing To access the Routing windows click the Routing button in the Advanced Setup directory If the Enable Automatic Assigned Default Gateway checkbox is ticked the Router will accept the first default gateway assignment received from one of the enabled PPPoA PPPoE or MER DHCP enabled PVC s If this checkbox is not ticked enter the static default gateway and or a WAN interface Click the Save Apply button when you are finished Click the Add button on the Routing Static Route window to access the following window displayed on the next page Enter the static routing information for an entry to the routing table Click the Save Apply button when you are finished D Link DSL 2520U User Manual Routing Default Gateway If Enable Automatic Assigned Default Gateway checkbox is selected this router wil accept the first received default gateway assignment from one of the PPPoA PPPoE or MER DHCP enabled PVC s If the checkbox is not selected enter the static default gateway AND OR a WAN interface Click Save Apply button to save it NOTE If changing the Automatic Assigned Default Gateway from unsele
35. on utility Web based Configuration Utility Connect to the Router To configure the WAN connection used by the Router it is first necessary to communicate with the Router through its management interface which is HTML based and can be accessed using a web browser The easiest way to make sure your computer has the correct IP settings is to configure it to use the DHCP server in the Router The next section describes how to change the IP configuration for a computer running a Windows operating system to be a DHCP client er ut blank Microsoft Internet Explorer To access the configuration utility open a web browser such as Internet I 5 Explorer and enter the IP address of the router 192 168 1 1 gt D Search 9 gt Favorite Address 4 http 192 168 1 1 Connect to 192 168 1 1 Type admin for the User Name and admin in the Password field If you get a Page Cannot be Displayed error please refer to the Troubleshooting section for assistance OSL Router User name f admin f Password Remember my password Cancel D Link DSL 2520U User Manual 16 Section 3 Configuration Device Info To access the Device Info window click either the Device Info DSL Router Microsoft Internet Explorer or Summary button in the Device Info directory The following File Edit View Favorites Tools Y 6
36. rd Authentication Protocol and CHAP Challenge Handshake Authentication Protocol for PPP connections The Router also supports MSCHAP e DHCP Support Dynamic Host Configuration Protocol automatically and dynamically assigns all LAN IP settings to each host on your network This eliminates the need to reconfigure every host whenever changes in network topology occur Network Address Translation NAT For small office environments the DSL 2520U allows multiple users on the LAN to access the Internet concurrently through a single Internet account This provides Internet access to everyone in the office for the price of a single user NAT improves network security in effect by hiding the private network behind one global and visible IP address NAT address mapping can also be used to link two IP domains via a LAN to LAN connection TCP IP Transfer Control Protocol Internet Protocol The DSL 2520U supports TCP IP protocol the language used for the Internet It is compatible with access servers manufactured by major vendors RIP 1 RIP 2 The DSL 2520U supports both RIP 1 and RIP 2 exchanges with other routers Using both versions lets the Router to communicate with all RIP enabled devices e Static Routing This allows you to select a data path to a particular network destination that will remain in the routing table and never age out If you wish to define a specific route that will always be used for data traffic from your LAN to a
37. recently released browsers such as Opera Microsoft Internet Explorer version 6 0 Netscape Navigator version 6 2 3 or D Link DSL 2520U User Manual 7 Section 2 Installation later versions The web browser must have JavaScript enabled JavaScript is enabled by default on many browsers Make sure JavaScript has not been disabled by other software such as virus protection or web user security packages that may be running on your computer Ethernet Port NIC Adapter Any computer that uses the Router must be able to connect to it through the Ethernet port on the Router This connection is an Ethernet connection and therefore requires that your computer be equipped with an Ethernet port as well Most notebook computers are now sold with an Ethernet port already installed Likewise most fully assembled desktop computers come with an Ethernet NIC adapter as standard equipment If your computer does not have an Ethernet port you must install an Ethernet NIC adapter before you can use the Router If you must install an adapter follow the installation instructions that come with the Ethernet NIC adapter USB Port The Router is equipped with a USB port that allows a single computer to access the Internet To use this port the computer must have an available USB port and install the USB driver The CD ROM shipped with the Router contains the setup file for the USB network driver Additional Software It may be necessary to install software on your
38. ry For some users only their account information Username and Password is required For others various parameters that control and define the Internet connection will be required You can print out the two pages below and use the tables to list this information This way you have a hard copy of all the information needed to setup the Router If it is necessary to reconfigure the device all the necessary information can be easily accessed Be sure to keep this information safe and private Low Pass Filters since ADSL and telephone services share the same copper wiring to carry their respective signals a filtering mechanism may be necessary to avoid mutual interference A low pass filter device can be installed for each telephone that shares the line with the ADSL line These filters are easy to install passive devices that connect to the ADSL device and or telephone using standard telephone cable Ask your service provider for more information about the use of low pass filters with your installation Operating Systems The DSL 2520U uses an HTML based web interface for setup and management The web configuration manager may be accessed using any operating system capable of running web browser software including Windows 98 SE Windows ME Windows 2000 Windows XP and Windows Vista Web Browser Any common web browser can be used to configure the Router using the web configuration management software The program is designed to work best with more
39. s This window allows you to enable or disable Access Control Mode To add an IP address management station click the Add button D Link DSL 2520U User Manual Access Control Services Service Control List SCL enables or disables services from being used Services LAN WAN HTTF Enable 1 Enable ICMP Enable Enable SNMP Enable Enable TELMET Enable DL Enable TFTP Enable Enable Access Control IP Address The IP Address Access Control mode if enabled permits access to local management services from IP addresses contained in the Access Control List If the Access Control mode is disabled the system will not validate IP addresses for incoming packets The services are the system applications listed in the Service Control List Access Control Mode 9 Disable Enable IP Address Remove 36 Section 3 Configuration Enter the IP address of the management station permitted to access the local management services When you are finished click the Save Apply button Access Control Passwords This window allows you to change the password on the Router When you are finished click the Save Apply button Confirm Password Access Control Enter the IP address of the management station permitted to access the local management services and click 5ave Apply Save Apply Access Control Passwords Access to your DSL router is controlled through three user accounts admin
40. software can be used to manage the Router D Link DSL 2520U User Manual 4 Section 1 Product Overview Hardware Overview Connections ADSL Port Ethernet Port Power Insert Use the ADSL Use the Ethernet port to Use the adapter cable to connect to connect the Router to a shipped with the the your telephone computer or an Ethernet LAN Houter to connect to line RJ 11 port USB Port Use the USB port to Reset Button Power Button connect to a single To manually reset Push in to power on computer depress button with the Router Push the power on for at again to power off least seven seconds the Router D Link DSL 2520U User Manual Section 1 Product Overview Hardware Overview LEDs Power DSL A steady green light indicates the unit is powered LAN ae A steady green light indicates a valid on When the device is powered off this remains A solid green light indicates ADSL connection This will light after dark Lights steady green during power on self test a valid 21 Tf the ADSL negotiation process has POST Once the connection status has been light s SUTE SNE there ds been settled A blinking green light settled the light will blink green If the indicator activity currently passing indicates activity on the WAN ADSL lights steady green after the POST the system has through the Ethernet port interface failed and the device should be rebooted 4 iS Pa
41. specific destination within your LAN for example to another router or a server or outside your network to an ISP defined default gateway for instance e Default Routing This allows you to choose a default path for incoming data packets for which the destination address is unknown This is particularly useful when if the Router functions as the sole connection to the Internet Asynchronous Transfer Mode The DSL 2520U supports Bridged Ethernet over ATM RFC1483 IP over ATM RFC1577 and PPP over ATM RFC 2364 Precise Traffic Shaping Traffic shaping is a method of controlling the flow rate of ATM data cells This function helps to establish the Quality of Service for ATM data transfer Ghs Auto handshake This allows the Router to automatically choose either the G lite or G dmt ADSL connection standards e High Performance Very high rates of data transfer are possible with the Router Up to 8 Mbps downstream bit rate using the G dmt standard Full Network Management The DSL 2520U incorporates SNMP Simple Network Management Protocol support for web based management and text based network management via an RS 232 or Telnet connection e Telnet Connection The Telnet enables a network manager to access the Router s management software remotely e Easy Installation The DSL 2520U uses a web based graphical user interface program for convenient management access and easy set up Any common web browser
42. support and user The user name admin has unrestricted access to change and view configuration of your DSL Router The user name support is used to allaw an ISP technician to access your DSL Router for maintenance and to run diagnostics The user name user can access the DSL Router view configuration settings and statistics as well as update the router s software Use the fields below to enter up to 16 characters and click Apply to change or create passwords Note Password cannot contain a space Username Old Password New Password Save Apply Update Software To access the Tools Update Software window click the Update Software button in the Management directory This window allows you to update the Router s software D Link DSL 2520U User Manual Tools Update Software Step 1 Obtain an updated software image file from your ISP Step 2 Enter the path to the image file location in the box below or click the Browse button to locate the image file 5tep 3 Click the Update Software button once to upload the new image file NOTE The update process takes about 2 minutes to complete and your DSL Router will reboot Software File Name Update Software 37 Section 3 Configuration Save Reboot To access this window click the Save Reboot button in the Management directory To save your settings and reboot the system click the Save Reboot button Click the button below to save an
43. tion 1 then run the Quick Setup wizard 3 What if my Router is not working correctly There are a few quick steps you can take to try and resolve any issues e Follow the directions in question 2 to reset the Router Check that all the cables are firmly connected at both ends e Check the LEDs on the front of the Router The Power indicator should be on the Status indicator should flash and the DSL and LAN indicators should be on as well e Please ensure that the settings in the Web based configuration manager e g ISP username and password etc are the same as the settings provided by your ISP D Link DSL 2520U User Manual 39 Appendix A Troubleshootin 4 Why can t I get an Internet connection For ADSL subscribers please contact your ISP to make sure the ADSL service has been enabled by your ISP and your ISP username and password are correct 5 What do if my router can t be detected by running installation CD Ensure the Router is powered e Check that all the cables are firmly connected at both ends and all LEDs work correctly Ensure only one network interface card on your is activated Click on Start gt Control Panel gt Security Center to disable the setting of Firewall Windows Firewall Control Panel JEJE General Exceptions Advanced LL e pw JJA O Address Control Panel y EJ Windows Firewall helps protect your computer by prevent
44. ue Key Enable Remove Save Reboot QoS Queue Configuration This window allows you to configure a QoS queue entry and assign it a The screen allo ou to configure a Qo S ntry and assign it to a specific network interface Each interface with QoS enabled will be allocated three queues by default Each of ifi the sc fi ed for a spec de le confi ad ii ill be used b y the to place ckets appropriately Note L int specific network Inte rface mcd veues can be con gured pel aijan priority for ence The queue ent Click iu to Sav fert e ngres dic eer ee Queue Configuration Status v Click the Save Apply button to save and activate the filter Queue Y Queue Precedence v D Link DSL 2520U User Manual 26 Section 3 Configuration QoS Classification Choose Add or Remove to configure network traffic classes Use this window to create a traffic class rule to classify the upstream traffic assign a queue that defines the precedence and the interface and optionally overwrite the IP header DSCP byte A rule consists of a class name and at least one condition Please remember that all of the specified conditions on this window must be met for the rule to take effect Click the Save Apply button to save and activate this rule D Link DSL 2520U User Manual Quality of Service Setup Choose Add or Remove to configure network traffic classes MARK TRAFFIC CLASSIFI
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