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Version 1.00 | 2019/03/07

User Manual

DIR-821

AC1200 Wi-Fi Router 

Summary of Contents for DIR-821

Page 1: ...Version 1 00 2019 03 07 User Manual DIR 821 AC1200 Wi Fi Router...

Page 2: ...registered trademarks of their respective companies Apple Apple logo Safari iPhone iPad iPod touch and Macintosh are trademarks of Apple Inc registered in the U S and other countries App StoreSM is a...

Page 3: ...Wizard 16 Configuration 19 Home 20 Internet 20 DIR 821 21 Connected Clients 22 Settings 23 Wizard 23 Internet 23 IPv6 32 Wireless 47 Guest Zone 49 Network 50 Features 52 QoS Engine 52 Firewall Setting...

Page 4: ...indows Vista 80 WPA WPA2 81 Windows XP 83 WPA WPA2 84 Troubleshooting 86 Wireless Basics 90 What is Wireless 91 Tips 93 Wireless Modes 94 Networking Basics 95 Check your IP address 95 Statically Assig...

Page 5: ...ngapowersupplywithadifferentvoltageratingthantheoneincludedwiththeDIR 821willcausedamageandvoidthewarranty for this product If any of the above items are missing please contact your reseller DIR 821 A...

Page 6: ...lowing Windows Macintosh or Linux based operating system An installed Ethernet adapter Browser Requirements Internet Explorer 9 or higher Firefox 20 or higher Safari 5 1 or higher Chrome 25 or higher...

Page 7: ...logy and equipped with four external antennas this router provides superior wireless coverage for larger homes and offices or for users running bandwidth intensive applications The DIR 821 also includ...

Page 8: ...nt Filtering Easily applied content filtering based on MAC address URL and or domain name Filter Scheduling These filters can be scheduled to be active on certain days or for a duration of hours or mi...

Page 9: ...ternet Port Using an Ethernet cable connect your broadband modem to this port 3 Power Receptor Receptor for the supplied power adapter 4 Power Button Press the power button to power the DIR 821 on and...

Page 10: ...2 Internet LED A solid light indicates that an Internet link is established 3 WPS LED A solid light indicates that the WPS handshake has been completed The light will blink while the WPS handshake is...

Page 11: ...nly use the Ethernet port on your modem If you were using the USB connection before using the router then you must turn off your modem disconnect the USB cable and connect an Ethernet cable to the Int...

Page 12: ...5 feet thick 0 5 meters at a 45 degree angle appears to be almost 3 feet 1 meter thick At a 2 degree angle it looks over 42 feet 14 meters thick Position devices so that the signal will travel straig...

Page 13: ...llow port labeled INTERNET on the back of the router Plug the other end of this cable into the Ethernet port on your modem 5 Reconnect the power adapter to your cable or DSL broadband modem and wait f...

Page 14: ...and connect to your clients QRS Mobile App Use your Android device iPhone iPad or iPod touch to configure your router Refer to page 11 D Link Setup Wizard This wizard will launch when you log into th...

Page 15: ...installed you may now configure your router Connect to the router wirelessly by going to your wireless utility on your device Scan for the Wi Fi name SSID as listed on the supplied info card Select a...

Page 16: ...In Tap Next once the Operation Mode screen appears Step 5 At this point please ensure that you the router is connected to a modem Plug one end of the provided Ethernet cable into your DSL or cable mo...

Page 17: ...8 characters Any device trying to connect to the router wirelessly will need to enter this password the first time it connects Tap Next to configure your 5 GHz wireless network When satisfied tap Nex...

Page 18: ...o receive push notifications whenever a new firmware update is available check the Notify me when new firmware is available box and tap Next Otherwise just tap Next to proceed Step 10 You will be pres...

Page 19: ...D Link DIR 821 User Manual Section 3 Getting Started Congratulations your device has been successfully configured You can share this information by tapping Share By E mail or tap Finish to exit the a...

Page 20: ...Wizard If this is your first time installing the router open your web browser and enter http dlinkrouter local in the address bar Alternatively enter the IP address of the router default http 192 168...

Page 21: ...ion can be obtained from your Internet Service Provider and click Next to continue IftherouterdetectedoryouselectedPPPoE enteryourPPPoEusername and password and click Next to continue Note Make sure t...

Page 22: ...to be able to connect to your wireless network Click Next to continue In order to secure the router please enter a new password You will be prompted for this password every time you want to use the ro...

Page 23: ...er than 10 seconds to restore the router to its default settings To access the configuration utility open a web browser such as Internet Explorer and enter http dlinkrouter local or you may also conne...

Page 24: ...igate to other pages The Home page displays whether or not the router is currently connected to the Internet If it is disconnected click Click to repair to bring up the setup wizard see page 16 To bri...

Page 25: ...nd IPv4 IPv6 addresses To reconfigure the network settings either click Go to settings on the lower left or click Settings at the top of the page and then Network on the menu that appears For more inf...

Page 26: ...r and their IP addresses To edit each client s settings click the pencil icon on the client you want to edit Enter a custom name for this client Displays the vendor of the device Displays the MAC addr...

Page 27: ...click Internet to see the Internet configuration options Choose your Internet connection type from the drop down menu You will be presented with the appropriate options for your connection type Click...

Page 28: ...aximumTransmission Unit you may need to change the MTU for optimal performance with your ISP ThedefaultMACaddressissettotheInternetport sphysicalinterface MAC address on the router You can use the dro...

Page 29: ...P MaximumTransmission Unit you may need to change the MTU for optimal performance with your ISP ThedefaultMACaddressissettotheInternetport sphysicalinterface MAC address on the router You can use drop...

Page 30: ...rimary DNS server IP address assigned by your ISP Enter the secondary DNS server IP address assigned by your ISP MaximumTransmission Unit you may need to change the MTU for optimal performance with yo...

Page 31: ...t mask gateway andDNSserveraddresses Inmostcases selectDynamicIP Enter the IP address provided by your ISP Static IP only Enter the subnet mask provided by your ISP Static IP only Enter the gateway IP...

Page 32: ...ction 4 Configuration Enter the secondary DNS server IP address assigned by your ISP MaximumTransmission Unit you may need to change the MTU for optimal performance with your ISP Click Save when you a...

Page 33: ...ss subnet mask gateway andDNSserveraddresses Inmostcases selectDynamicIP Enter the IP address provided by your ISP Static IP only Enter the subnet mask provided by your ISP Static IP only Enter the ga...

Page 34: ...ction 4 Configuration Enter the secondary DNS server IP address assigned by your ISP MaximumTransmission Unit you may need to change the MTU for optimal performance with your ISP Click Save when you a...

Page 35: ...nter the AFTR IPv6 address used here Enter the B4 IPv4 address value used here Once connected the WAN IPv6 address will be displayed here Once connected the IPv6 WAN default gateway address will be di...

Page 36: ...h the appropriate options for your connection type Click Advanced Settings to expand the list and see all of the options My Internet Connection Is For Auto Detection refer to page 33 For Static IPv6 r...

Page 37: ...le or disable the Automatic IPv6 Address Assignment feature Enable or disable DHCP PD for other IPv6 routers connected to the LAN interface Note Thisfeaturerequiresasmallersubnetprefixthan 64 i e allo...

Page 38: ...er Manual Section 4 Configuration Select Stateful DHCPv6 SLAAC RDNSS or SLAAC Stateless DHCPv6 Enter the IPv6 address lifetime in minutes Click Save when you are done Auto Configuration Type Router Ad...

Page 39: ...n Enter the primary DNS server address Enter the secondary DNS server address Enter the LAN local IPv6 address for the router Displays the router s LAN link local address Check to enable the Automatic...

Page 40: ...er Manual Section 4 Configuration Select Stateful DHCPv6 SLAAC RDNSS or SLAAC Stateless DHCPv6 Enter the IPv6 address lifetime in minutes Click Save when you are done Auto Configuration Type Router Ad...

Page 41: ...ess Enable or disable the Automatic IPv6 Address Assignment feature Enable or disable DHCP PD for other IPv6 routers connected to the LAN interface Note Thisfeaturerequiresasmallersubnetprefixthan 64...

Page 42: ...er Manual Section 4 Configuration Select Stateful DHCPv6 SLAAC RDNSS or SLAAC Stateless DHCPv6 Enter the IPv6 address lifetime in minutes Click Save when you are done Auto Configuration Type Router Ad...

Page 43: ...ainDNSserveraddressautomatically orUsethe following DNS address If you selected Use the following DNS address above enter the primary DNS server address If you selected Use the following DNS address a...

Page 44: ...o the LAN interface Note Thisfeaturerequiresasmallersubnetprefixthan 64 i e allowing for a larger address allocation such as 63 Contact your ISP for more information Select Stateful DHCPv6 SLAAC RDNSS...

Page 45: ...selected Use the following DNS address above enter the secondary DNS server address Enable or disable DHCP PD for other IPv6 routers connected to the LAN interface Note Thisfeaturerequiresasmallersub...

Page 46: ...connected to the LAN interface Note Thisfeaturerequiresasmallersubnetprefixthan 64 i e allowing for a larger address allocation such as 63 Contact your ISP for more information Select Stateful DHCPv6...

Page 47: ...ul DHCPv6 SLAAC RDNSS or SLAAC Stateless DHCPv6 Enter the IPv6 address lifetime in minutes Click Save when you are done 6 to 4 Address 6 to 4 Relay Primary DNS Server Secondary DNS Server LAN IPv6 Add...

Page 48: ...on to enter the settings yourself Enter the 6rd IPv6 prefix and mask length supplied by your ISP manual configuration only Enter the 6rd border relay IPv4 address settings supplied by your ISP manual...

Page 49: ...e Automatic IPv6 Address Assignment feature Select Stateful DHCPv6 SLAAC RDNSS or SLAAC Stateless DHCPv6 Enter the IPv6 address lifetime in minutes Click Save when you are done Enable Automatic IPv6 A...

Page 50: ...ally configure the ULA prefix for the default setting If you wish to choose your own ULA prefix enter it here This section will display the current settings for your IPv6 ULA Click Save when you are d...

Page 51: ...he desired wireless transmission power Select Auto 20 40 if you are using both 802 11n and non 802 11n wireless devices or select 20 MHz if you are not using any 802 11n wireless clients The default s...

Page 52: ...the drop down menu to select the time schedule that the rule will be enabled on The schedule may be set to Always Enable or you can create your own schedules in the Schedules section Refer to page 64...

Page 53: ...rom accessing other local network devices Click Save when you are done Status Wi Fi Name SSID Password Internet Access Only In the Settings menu on the bar on the top of the page click Wireless then c...

Page 54: ...ransfer the DNS server information from your ISP to your computers If enabled your computers will use the router for a DNS server Enable or disable the DHCP server Enter the starting and ending IP add...

Page 55: ...works DHCP server to LAN WLAN clients Enable or disable Universal Plug and Play UPnP UPnP provides compatibilitywithnetworkingequipment softwareandperipherals You may set the port speed of the Interne...

Page 56: ...some are off screen you can use the and buttons to scroll through the cards A maximum of one device can be assigned Highest priority A maximum of two devices can be assigned High priority A maximum of...

Page 57: ...gh the session conforms to the protocol Enable this feature to protect your network from certain kinds of spoofing attacks Enable or disable IPv6 simple security Enable or disable IPv6 ingress filteri...

Page 58: ...check with the system administrator of your corporate network whether your VPN client supports NAT traversal Allows applications that uses Real Time Streaming Protocol RTSP to receive streaming media...

Page 59: ...ormation Click Apply when you are done The IPv4 IPv6 Rules section is an advanced option that lets you configure what kind of traffic is allowed to pass through the network To configure the IPv4 rules...

Page 60: ...he rule will be enabled on The schedule may be set to Always Enable or you can create your own schedules in the Schedules section Refer to page 64 for more information Click Apply when you are done Na...

Page 61: ...n create your own schedules in the Schedules section Refer to page 64 for more information Click Apply when you are done The virtual server allows you to specify a single public port on your router fo...

Page 62: ...k select DENY computers access to ONLY these sites from the drop down menu All other sites will be accessible If you want to specify a list of sites to allow select ALLOW computers access to ONLY thes...

Page 63: ...ly when you are done The Static Routes section allows you to define custom routes to control how data traffic is moved around your network In the Features menu on the bar on the top of the page click...

Page 64: ...ut of the router when this route is used Click Apply when you are done Name DestNetwork PrefixLen Metric Interface IPv6 To configure IPv6 rules on the Static Routes page click IPv6 To return to the ma...

Page 65: ...ynamic DNS will reveal further configuration options Displays the current dynamic DNS connection status Enter the address of your dynamic DNS server or select one from the drop down menu Enter the hos...

Page 66: ...Click Apply when you are done Host Name IPv6 Address The IPv6 host settings are found at the bottom of the Dynamic DNS page If you wish to remove a rule click on its trash can icon in the Delete colum...

Page 67: ...time zone from the drop down menu Displays the current date and time of the router Enable or disable daylight saving time Enable or disable to allow an NTP server on the Internet to synchronize the ti...

Page 68: ...encil icon in the Edit column If you wish to create a new rule click the Add Rules button Click Save when you are done If you edit or create a rule the following screen will appear First enter the nam...

Page 69: ...ion will set the router to send the log by email when the log is fully This option can be enabled to send an email according to a preconfigured schedule See below If you enable On Schedule is enabled...

Page 70: ...nnect to the router securely Instead of using http dlinkrouter local you must use https dlinkrouter local in order to connect to the router Remote management allows the DIR 821 to be configured from t...

Page 71: ...y Any settings that have not been saved will be lost including any rules that you have created If you want to save the current router configuration settings use the Save SettingsTo Local Hard Drive bu...

Page 72: ...top of the page click Upgrade The current firmware s version and date will be displayed Clickthisbuttontoprompttheroutertoautomaticallycheckforanew firmwareversion Ifanewerversionisfound itwillprompt...

Page 73: ...the WAN LAN and wireless segments In the Management menu on the bar on the top of the page click Statistics You can view the Internet LAN Wi Fi 2 4 GHz or Wi Fi 5 GHz by clicking on the respective tab...

Page 74: ...ers Blu ray DVD players wireless printers and cameras will have a WPS button or a software utility with WPS that you can press to connect to the DIR 821 router Please refer to your user manual for the...

Page 75: ...ur wireless adapter If you are joining an existing network you will need to know the security key Wi Fi password being used To join an existing network locate the wireless network icon in the taskbar...

Page 76: ...nter the password into the box and click Next If you wish to use Wi Fi Protected Setup WPS to connect to the router you can also press the WPS button on your router during this step to enable the WPS...

Page 77: ...n your wireless router or access point before configuring your wireless adapter If you are joining an existing network you will need to know the security key or passphrase being used 1 Click on the wi...

Page 78: ...ID you would like to connect to and click the Connect button If you get a good signal but cannot access the Internet check your TCP IP settings for your wireless adapter Refer to the Networking Basics...

Page 79: ...sword that is on your router and click Connect You can also connect by pushing the WPS button on the router It may take 20 30 seconds to connect to the wireless network If the connection fails please...

Page 80: ...reless Network WPS The WPS feature of the DIR 821 can be configured using Windows 7 Carry out the following steps to use Windows 7 to configure the WPS feature 1 Click the Start button and select Comp...

Page 81: ...821 User Manual Section 5 Connecting to a Wireless Network 3 Double click the DIR 821 4 Input the WPS PIN number on the router label in the Setup Wireless Setup menu in the Router s Web UI and click...

Page 82: ...78 D Link DIR 821 User Manual Section 5 Connecting to a Wireless Network 5 Type a name to identify the network 6 To configure advanced settings click the icon Click Next to continue...

Page 83: ...s being configured Wait for the configuration to complete 8 The following window informs you that WPS on the router has been set up successfully Make a note of the security key as you may need to prov...

Page 84: ...lity as seen below Right click on the wireless computer icon in your system tray lower right corner next to the time Select Connect to a network If you receive the Wireless Networks Detected bubble cl...

Page 85: ...ore configuring your wireless adapter If you are joining an existing network you will need to know the security key or passphrase being used 2 Highlight the Wi Fi name SSID you would like to connect t...

Page 86: ...ty key or passphrase Wi Fi password that is on your router and click Connect It may take 20 30 seconds to connect to the wireless network If the connection fails please verify that the security settin...

Page 87: ...to the Windows XP utility as seen below Right click on the wireless computer icon in your system tray lower right corner next to the time Select View AvailableWireless Networks If you receive the Wir...

Page 88: ...wireless adapter If you are joining an existing network you will need to know the WPA key being used 2 Highlight the Wi Fi network SSID you would like to connect to and click Connect 1 Open the Windo...

Page 89: ...twork Connection box will appear Enter the WPA PSK Wi Fi password and click Connect It may take 20 30 seconds to connect to the wireless network If the connection fails please verify that the WPA PSK...

Page 90: ...device itself Your computer must be on the same IP subnet to connect to the web based utility Make sure you have an updated Java enabled web browser We recommend the following Microsoft Internet Explo...

Page 91: ...in the address bar This should open the login page for your web management If you still cannot access the configuration unplug the power to the router for 10 seconds and plug back in Wait about 30 sec...

Page 92: ...ing the MTU in increments of ten Ex 1492 1482 1472 etc To find the proper MTU Size you ll have to do a special ping of the destination you re trying to go to A destination could be another computer or...

Page 93: ...1452 28 1480 Once you find your MTU you can now configure your router with the proper MTU size To change the MTU rate on your router follow the steps below Open your browser enter the IP address of y...

Page 94: ...reless LANs are used increasingly in both home and office environments and public areas such as airports coffee shops and universities Innovative ways to utilize WLAN technology are helping people wor...

Page 95: ...transmit data from one point A to point B But wireless technology has restrictions as to how you can access the network You must be within the wireless network range area to be able to connect your co...

Page 96: ...peakers and other devices that operate on batteries Who uses wireless Wireless technology as become so popular in recent years that almost everyone is using it whether it s for home office business D...

Page 97: ...not knowing where to start That s why we ve put together a few setup steps and tips to help you through the process of setting up a wireless network Tips Here are a few things to keep in mind when yo...

Page 98: ...clients will connect to an access point or wireless router Ad hoc Directly connecting to another computer for peer to peer communication using wireless network adapters on each computer such as two or...

Page 99: ...r IP address please follow the steps below Click on Start Run In the run box type cmd and click OK Windows 7 Vista users type cmd in the Start Search box At the prompt type ipconfig and press Enter Th...

Page 100: ...ick on the Local Area Connection which represents your network adapter and select Properties Step 3 Highlight Internet Protocol TCP IP and click Properties Step 4 Click Use the following IP address an...

Page 101: ...02 11i and uses Advanced Encryption Standard AES instead of TKIP User authentication which is generally missing in WEP through the extensible authentication protocol EAP WEP regulates access to a wire...

Page 102: ...g Non Operating 5 95 non condensing Wireless Frequency Range IEEE 802 11a 5150 MHz 5250 MHz 5725 MHz 5850 MHz IEEE 802 11b 2400 MHz 2483 MHz IEEE 802 11g 2400 MHz 2484 MHz IEEE 802 11n 2400 MHz 2484 M...

Page 103: ...niquement pour une utilisation l int rieur afin de r duire les risques de brouillage pr judiciable aux syst mes de satellites mobiles utilisant les m mes canaux iii for devices with detachable antenna...

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