D-Link DSL-2870B User manual

Version 1.0 | 04/02/2013
Dual Band Wireless N750 Gigabit ADSL2+ Modem Router
User Manual
DSL-2870B

D-Link DSL-2870B Dual Band Wireless N750 Gigabit ADSL2+ Modem Router User Manual
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Table of Contents
Table of Contents................................................................................................... 2
Product Overview................................................................................................... 4
Package Contents................................................................................................ 4
System Requirements.......................................................................................... 4
Features................................................................................................................ 5
Hardware Overview.............................................................................................. 6
Front Panel ....................................................................................................... 6
Rear Panel........................................................................................................ 7
Basic Installation.................................................................................................... 8
Before You Begin ................................................................................................. 8
Installation Notes.................................................................................................. 8
Information you will need from your ADSL service provider........................... 10
Information you will need about this Router.................................................... 11
Information you will need about your LAN or computer.................................. 11
Device Installation .............................................................................................. 12
Power on Router............................................................................................. 12
Factory Reset Button...................................................................................... 12
Network Connections...................................................................................... 13
Getting Started ................................................................................................... 14
How to connect to the Web User Interface..................................................... 14
Web User Interface Configuration...................................................................... 15
Setup Category................................................................................................... 16
Wizard............................................................................................................. 17
WAN Setup..................................................................................................... 23
Network Map................................................................................................... 27
Wireless 2.4G ................................................................................................. 31
Wireless 5G Setup.......................................................................................... 35
LAN Setup....................................................................................................... 39
Time and Date ................................................................................................ 41
IPv6................................................................................................................. 43
Mydlink Settings.............................................................................................. 45
Advanced Category............................................................................................ 47
Virtual Server.................................................................................................. 49
DNS................................................................................................................. 51
Dynamic DNS ................................................................................................. 52
Port Triggering................................................................................................ 53
IP&MAC Filtering ............................................................................................ 55
Parental Control.............................................................................................. 57
Firewall............................................................................................................ 59
DMZ ................................................................................................................ 61
RIP.................................................................................................................. 62
IGMP............................................................................................................... 64
QoS................................................................................................................. 65
Advanced Wireless 2.4G................................................................................ 69
Advanced Wireless 5G ................................................................................... 74
Routing............................................................................................................ 79
SNMP.............................................................................................................. 83
UPnP............................................................................................................... 85
Samba............................................................................................................. 86
DSL Line Settings........................................................................................... 88
URL Redirect .................................................................................................. 90
ALG Setting..................................................................................................... 91
Budget Quota.................................................................................................. 92
Maintenance Category ....................................................................................... 94
Administrator................................................................................................... 95
Access Control................................................................................................ 97
System Settings.............................................................................................. 99
Firmware Update .......................................................................................... 101
Diagnostics ...................................................................................................103
System Log...................................................................................................105
Status Category................................................................................................ 107
Device Info....................................................................................................108
System Log...................................................................................................111
Statistics........................................................................................................ 113
ARP Table Info.............................................................................................. 116
Route Table ..................................................................................................117
DHCP Table..................................................................................................118
Wireless Table.............................................................................................. 119
Internet Session............................................................................................ 120
Storage Service ............................................................................................ 121
Help Category............................................................................................... 122
Knowledge Base ................................................................................................ 123

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Networking Basics............................................................................................ 123
Wireless Basics................................................................................................ 125
Wireless Modes ............................................................................................ 127
Wireless Security.............................................................................................. 127
What is WPA?............................................................................................... 127
Frequently Asked Questions ............................................................................ 129
Technical Specifications ................................................................................... 130

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Product Overview
Package Contents
This product should contain all of the below mentioned items within its packaging:
•One DSL-2870B Wireless ADSL2+ Router
•One Power Adapter
•One CD containing the User Manual
•One twisted-pair telephone cable used for DSL connection
•One straight-through Ethernet cable
•One Quick Installation Guide
If any of the above items are missing, please contact your reseller.
Note: Using a power supply with a different voltage rating than the one included with
the DSL-2870B will cause damage to this product and void the warranty for this
product.
System Requirements
Network Requirements: •Ethernet Adapter at 10/100/1000Mbps.
•Wireless Adapter with IEEE 802.11n, 802.11a, or 802.11b/g Protocols.
Web User Interface Requirements: •Windows®, Macintosh, or Linux-based Operating System.
•Internet Browser like Internet Explorer 7 or higher, Firefox 3.5 or higher,
Safari 4 or higher, or Chrome 8 or higher.
Internet Requirements: •ADSL Internet Connection Service from an ISP.

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Features
•Faster Wireless Networking - The DSL-2870B provides up to 300Mbps* for the 2.4GHz band and 450Mbps* for the 5GHz band wireless connection with other 802.11n
wireless clients. This capability allows users to participate in real-time activities online, such as video streaming, online gaming, and real-time audio.
•Compatible with 802.11b and 802.11g Devices - The DSL-2870B is still fully compatible with the IEEE 802.11b and IEEE 802.11g standards, so it can connect with
existing 802.11b and 802.11g PCI, USB and Cardbus adapters.
•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-2870B 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.
•Precise ATM 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.
•High Performance - Very high rates of data transfer are possible with the router. Up to 24Mbps downstream bit rate using the G.dmt standard. (For ADSL2+)
•Full Network Management - The DSL-2870B incorporates SNMP (Simple Network Management Protocol) support for web-based management and text-based network
management via a Telnet connection.
•Easy Installation - The DSL-2870B uses a web-based graphical user interface program for convenient management access and easy set up. Any common web
browsing software can be used to manage this router.
•USB Support- The DSL-2870B provides a USB port to easily share files and printers. The DSL-2870B supports a USB storage option that shares files through a SAMBA
file server and in addition also supports sharing USB printers to network members. Please note that the USB storage device is not included in this package and must be
bought separately.
∗Maximum wireless signal rate derived from IEEE standard 802.11n specifications. Actual data throughput will vary. Network conditions and environmental factors, including volume of network traffic, building
materials and construction, and network overhead, lower actual data throughput rate. Environmental factors will adversely affect wireless signal range.

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Hardware Overview
Front Panel
Number Description
1 Power - A steady green light indicates the unit is
powered on. When the device is powered off this
remains dark. During the Power On Self Test this light
will be red. If this light remains red after the POST, a
malfunction has occurred.
2 LAN - A solid light indicates a valid link on startup.
This light will blink when there is activity currently
passing through the Ethernet port. A green light will be
illuminated for a 10/100Mbps connection and an
amber light will be illuminated for a 1000Mbps
connection.
3 2.4GHz WLAN - Steady green light indicates a
wireless connection. A blinking green light indicates
activity on the WLAN
4 5GHz WLAN - Steady green light indicates a wireless
connection. A blinking green light indicates activity on
the WLAN
5 WPS - The light will flash while a WPS connection is
being established. The light will light solid for 5
seconds if a successful WPS connection has been
made.
6 USB - Steady green light indicates a successful USB
connection. Dark if no USB device is connected.
7 DSL - Steady green light indicates a valid ADSL
connection. This will light after the ADSL negotiation
process has been settled. A blinking green light
indicates activity on the WAN (ADSL) interface.
8 Internet - Steady green light indicates a successful
Internet connection. Steady red light indicates failed
Internet connection. Dark if no WAN protocol is
configured.

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Rear Panel
Number Description
1 ADSL Port - Use the DSL cable to connect to
your telephone line (RJ-11 port).
2 USB Port - Use the USB port to connect your
USB device.
3 Ethernet Ports - Use the Ethernet ports to
connect the router to your Ethernet LAN or
Ethernet devices.
4 5GHz Wireless On/Off Switch Button - Please
press and hold on for 3 seconds to turn on/turn
off.
5 2.4GHz Wireless On/Off Switch Button -
Please press and hold on for 3 seconds to turn
on/turn off.
6 Reset Button - Press and hold the button for 10-
15 seconds to restore the device to its original
factory default settings.
7 Power Button - Push in to power-on the router.
Push again to power-off the router.
8 Power Receptor - Receptor for the supplied
power adapter.

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Basic 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 memory. 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.
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-2870B 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®, Macintosh, and Linux-based Operating Systems.
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 recently
released browsers such as Internet Explorer 7 or higher, Firefox 3.5 or higher, Safari 4 or higher, or Chrome 8 or higher.. 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 one of the Ethernet ports 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 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.

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Additional Software
It may be necessary to install software on your 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.

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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 conjunction 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/PPPoA (PPPoE LLC, PPPoE VC-Mux, PPPoA LLC or PPPoA VC-Mux)
•Static IP Address (1483 Routed IP LLC or 1483 Routed IP VC-Mux)
•Bridge Mode (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 (Autosense) 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 (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. This setting can be changed in the WAN Settings window of the web management interface.
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. This setting can be changed in the WAN Settings window of the web management interface.

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Information you will need about this Router
Username
This is the Username needed access the router’s web 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”.
Password
This is the Password you will be prompted to enter when you access the router’s web management interface. The default Password is “admin”.
LAN IP Addresses for the DSL-2870B
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 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-2870B
This is the subnet mask used by the DSL-2870B, and will be used throughout your LAN. The default subnet mask is 255.255.255.0. This can be changed later.
Information you will need about your LAN or computer
Ethernet NIC
If your computer has an Ethernet NIC, you can connect the DSL-2870B to this Ethernet port using an Ethernet cable. You can also use the Ethernet ports on the DSL-2870B
to connect to other computer or Ethernet devices.
DHCP Client status
Your DSL-2870B 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-2870B 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.)
Once you have the above information, you are ready to setup and configure your DSL-2870B ADSL router.

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Device Installation
The DSL-2870B 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 or 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. Press the Power button into the on position. You should see the Power LED indicator light up and remain lit.
3. If the Ethernet port is connected to a working device, check the Ethernet 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 first 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 pen 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 on for 10-15 seconds.
2. Release the reset button.
Remember 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 192.168.1.1and the subnet mask is 255.255.255.0.The default management username is “admin” and the default password is “admin”.

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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 RJ-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
The router may be connected to a single computer or Ethernet device through the Ethernet ports on the rear panel. Any connection to an Ethernet concentrating device such
as a switch or hub must operate at a speed of 10/100/1000Mbps. 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 ports on the
router are 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 a 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 to 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 an Ethernet adapter card (NIC) installed on a PC using the Ethernet cable provided.

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Getting Started
This section will show you how to set up and configure your new D-Link router using the Web-based configuration utility.
How to connect to the Web User Interface
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.
To access the web user interface, open a web-browser such as Internet Explorer and
enter the IP address of the router (192.168.1.1) into the address bar and press the
Enter key on your keyboard.
Type “admin” in the User Name field and “admin” in the Password field, and click the
Login button to proceed. If you get a Page Cannot be Displayed error, please refer to
the Troubleshooting section for assistance.

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Web User Interface Configuration
After successfully logging into the Web User Interface, the following page will be displayed. This page is divided into clickable components that make the configuration of this
device easier and more understandable.
The top menu lists out the Categories available for configuration. The categories
available to configure on this device are Setup,Advanced,Maintenance,Status
and Help.
The left menu lists out the Pages available, for each individual category, for
configuration. In this example, we observe the pages available in the Setup category.
The pages available here are Wizard, WAN Setup, Network Map, Wireless 2.4G
Setup, Wireless 5G Setup, LAN Setup, Time and Date, IPv6 and MydlinkTM
Settings.
Every category will have a Internet Offine option at the bottom of all the pages. This
option can be used to display the internet status.
Every category will have a Logout option at the bottom of all the pages. This option
can be used to log out from the web user interface and also close the browser.
Every category will have a Reboot option at the bottom of all the pages. This option
can be used to reboot the router.

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Setup Category
The Setup category is designed to assist the user with essential configurations, concerning the initial setup of this product.
The following pages can be found in the Setup category:
•Wizard – On this page the user can easily configure some essential settings
available on this router by following a step-by-step wizard.
•WAN Setup– On this page the user can configure services related to the
WAN connectivity of this product.
•Network Map– On this page is intended to provide user with a view of all
connected devices within networks, such ad CPE information, network
devices’ IP and MAC address. With graphics and easy-to understand user
interface, users can easily manage device settings.
•Wireless 2.4G Setup– On this page the user can configure services related to
the Wireless 2.4GHz connectivity of this product.
•Wireless 5G Setup– On this page the user can configure services related to
the Wireless 5GHz connectivity of this product.
•LAN Setup– On this page the user can configure services related to the LAN
connectivity of this product.
•Time and Date – On this page, the user can configure services related to the
time and date feature of this product. Time Serversand a Time Zone can be
specified here.
•IPv6–On this page the user can configure services related to the IPv6
connectivity of this product.
•MydinkTM Settings–On this page the user can configure services related to
the mydlink settings connectivity of this product.

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Wizard
To access the Wizard page, click on the Setup menu link, at the top, and then click on the Wizard menu link, on the left.
On this page the user can easily configure some essential settings available on this
router by following a step-by-step wizard.
Click on the Setup Wizard button to initiate the setup wizard.

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Welcome to the Setup Wizard
This wizard will guide user through a step-by-step wizard, divided into 7steps, to
configure this router and to connect to the Internet.
Click the Next button to continue to the next page.
Click the Cancel button to discard the changes made and return to the main page.
Step 1: SET YOUR PASSWORD
In this step, the user can configure the web user interface login password. Enter the
Password and Verify Password here.
Click the Prev button to discard the changes made and return to the previous page.
Click the Next button to continue to the next page..
Click the Cancel button to discard the changes made and return to the main page.
Click the Connect button to connect to the router
Step 2: Set YOUR TIME ZONE
In this step the user can configure the time zone settings that will be used by this
router.

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Step 3: CONFIGURE YOUR INTERNET CONNECTION
In this step, the user can configure the Internet connection settings used by this
router.
In this section, we can configure the following parameters.
Country: In this drop-down menu, the user can select one of two country options.
They are Australia and New Zealand. To manually configure this connection,
the user can choose the third option called Other.
Internet Service Provider: After selecting a country, in the previous option, a list
of ISP connections will be available here. If your ISP is in the list, select it here
and the correct parameters will be entered for the rest of the page. However,
if your ISP is not listed here, you can choose the Other option.
Protocol: Select the appropriate protocol to use here. Options to choose from are
Dynamic IP Address, Static IP Address, PPPoE, PPPoA and Bridge.
Connection Type: Select the appropriate connection type to use here. Options to
choose from are VC-Mux and LLC.
VPI: Enter the correct Virtual Path Identifier (VPI) value for your ISP here.
VCI: Enter the correct Virtual Channel Identifier (VCI) value for your ISP here.
MTU: Enter the maximum transmission unites.
Click the Prev button to discard the changes made and return to the previous page.
Click the Next button to continue to the next page.
Click the Cancel button to discard the changes made and return to the main page.
Step 4: Configure Wireless Netw
In this step, the user can configure the wireless configuration for this router.
In this section we can configure the following parameters.
2.4GWireless Network Name (SSID): In this textbox, we can enter the wireless
networks name (SSID) for the wireless network, hosted by this router. This
name will be visible for all wireless clients to see before initiating a connection
to this router.
5GWireless Network Name (SSID): In this textbox, we can enter the wireless
networks name (SSID) for the wireless network, hosted by this router. This
name will be visible for all wireless clients to see before initiating a connection
to this router

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Click the Prev button to discard the changes made and return to the previous page.
Click the Next button to continue to the next page.
Click the Cancel button to discard the changes made and return to the main page.
Click the Connect button to connect to the router
Step 5: SECURE YOUR WIRELLESS NETWORK
In this step, we can configure the wireless network security settings for this router
here.
In this section, we can configure the following parameters.
BEST:Select this option if your wireless adapters SUPPORT WPA2
BETTER:Select this option if your wireless adapters SUPPORT WPA
GOOD:Select this option if your wireless adapters DO NOT SUPPORT WPA
NONE:Select this option if your do not want to activate any security featur
Click Prev button to discard the changes made and return to the previous page.
Click the Next button to continue to the next page.
Click the Cancel button to discard the changes made and return to the main page.
Click the Connect button to connect to the router
Step 6: SET YOUR WIRELESS SECURITY PASSWORD
In this step, we can set the wireless security password
In this section, we can configure the following parameters.
2.4G Wireless Security Password:Enter the 2.4G wireless security password
5 Wireless Security Password:Enter the 5G wireless security password
Click Prev button to discard the changes made and return to the previous page.
Click the Next button to continue to the next page.
Click the Cancel button to discard the changes made and return to the main page.
Click the Connect button to connect to the router