D-Link DIR-855 Router Manual PDF (Setup & Configuration Guide)

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Select the Channel Width:

Auto 20/40

- Select if you are using both 802.11n and non-802.11n wireless devices.

20MHz

- Select if you are not using any 802.11n wireless clients. This is the default setting.

Select

Invisible

if you do not want the SSID of your wireless network to be broadcasted by the DIR-855. If Invisible is

selected, the SSID of the DIR-855 will not be seen by Site Survey utilities so your wireless clients will have to know the

SSID of your DIR-855 in order to connect to it.

Refer to page 67 for more information regarding wireless security.

Channel Width:

Visibility Status:

Wireless Security:

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Wireless Settings

802.11n/a (5GHz)

Check the box to enable the wireless function. If you do

not want to use wireless, uncheck the box to disable all

the wireless functions.

Select the time frame that you would like your wireless

network enabled. The schedule may be set to Always. Any

schedule you create will be available in the drop-down

menu. Click

Add New

to create a new schedule.

Service Set Identiﬁer (SSID) is the name of your wireless

network. Create a name using up to 32 characters. The

SSID is case-sensitive.

Select one of the following:

802.11a Only

- Select if all of your wireless clients are

802.11a.

Mixed 802.11n and 802.11a

- Select if you are using both

802.11n and 802.11a wireless clients.

802.11n Only

- Select only if all of your wireless clients

are 802.11n.

The

Auto Channel Scan

setting can be selected to allow the DIR-855 to choose the channel with the least amount of

interference.

Indicates the channel setting for the DIR-855. By default the channel is set to 6. The Channel can be changed to ﬁt the

channel setting for an existing wireless network or to customize the wireless network. If you enable

Auto Channel Scan

,

this option will be greyed out.

Select the transmit rate. It is strongly suggested to select

Best (Auto)

for best performance.

Enable Wireless:

Schedule:

Wireless Network

Name:

802.11 Mode:

Enable Auto

Channel Scan:

Wireless Channel:

Transmission Rate:

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Select the Channel Width:

Auto 20/40

- Select if you are using both 802.11n and non-802.11n wireless devices.

20MHz

- Select if you are not using any 802.11n wireless clients. This is the default setting.

Select

Invisible

if you do not want the SSID of your wireless network to be broadcasted by the DIR-855. If Invisible is

selected, the SSID of the DIR-855 will not be seen by Site Survey utilities so your wireless clients will have to know the

SSID of your DIR-855 in order to connect to it.

Refer to page 67 for more information regarding wireless security.

Channel Width:

Visibility Status:

Wireless Security:

Page 34 / 96

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This section will allow you to change the local network settings of the router and to conﬁgure the DHCP settings.

Network Settings

Enter the IP address of the router. The default IP

address is 192.168.0.1.

If you change the IP address, once you click

Apply

,

you will need to enter the new IP address in your

browser to get back into the conﬁguration utility.

Enter the Subnet Mask. The default subnet mask is

255.255.255.0.

Enter the Domain name (Optional).

Uncheck the box to transfer the DNS server information

from your ISP to your computers. If checked, your

computers will use the router for a DNS server.

Router IP Address:

Subnet Mask:

Local Domain:

Enable DNS Relay:

LAN Settings

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Check this box to enable the DHCP server on your

router. Uncheck to disable this function.

Enter the starting and ending IP addresses for the

DHCP server’s IP assignment.

Note:

If you statically (manually) assign IP addresses

to your computers or devices, make sure the IP

addresses are outside of this range or you may have

an IP conﬂict.

The length of time for the IP address lease. Enter

the Lease time in minutes.

Check to send a “keep alive” which may be required

for some DHCP clients.

Refer to the next page for the DHCP Reservation

function.

Enable DHCP

Server:

DHCP IP Address

Range:

DHCP Lease Time:

Always Broadcast:

Add DHCP

Reservation:

DHCP Server Settings

DHCP stands for Dynamic Host Control Protocol. The DIR-855 has a built-in DHCP server. The DHCP Server will

automatically assign an IP address to the computers on the LAN/private network. Be sure to set your computers to be

DHCP clients by setting their TCP/IP settings to “Obtain an IP Address Automatically.” When you turn your computers

on, they will automatically load the proper TCP/IP settings provided by the DIR-855. The DHCP Server will automatically

allocate an unused IP address from the IP address pool to the requesting computer. You must specify the starting and

ending address of the IP address pool.

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