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Web Configuration
D-Link DSL-2640B User Manual
27
Wireless Security
In the
Wireless Settings
page, click
Wireless Security
. The page shown in the right
figure appears. Wireless security is vital to your network to protect the wireless
communication among wireless stations, access points and wired network.
You can select the security mode from the drop-down list.
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Web Configuration
D-Link DSL-2640B User Manual
28
If you select WEP as the security mode, the right page appears.
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Web Configuration
D-Link DSL-2640B User Manual
29
If you select the
Auto (WPA or WPA2)
,
WPA
, or
WPA2
as the security mode, the right
page appears.
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Web Configuration
D-Link DSL-2640B User Manual
30
Local Network
You can configure the LAN IP address according to the actual application. The preset IP address is 192.168.1.1. You can use the default settings and DHCP service to
manage the IP settings for the private network. The IP address of the device is the base address used for DHCP. To use the device for DHCP on your LAN, the IP address
pool used for DHCP must be compatible with the IP address of the device. The IP address available in the DHCP IP address pool changes automatically if you change the
IP address of the device.
You can also enable the secondary LAN IP address. The two LAN IP addresses must be in different networks.
Choose
Setup
>
Local Network
. The
Local Network
page shown in the figure appears.
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Web Configuration
D-Link DSL-2640B User Manual
31
By default,
Enable DHCP Server
is selected for the Ethernet LAN interface of the device.
DHCP service supplys IP settings to workstations configured to automatically obtain IP
settings that are connected to the device through the Ethernet port. When the device is
used for DHCP, it becomes the default gateway for DHCP client connected to it. If you
change the IP address of the device, you must also change the range of IP addresses in
the pool used for DHCP on the LAN. The IP address pool can contain up to 253 IP
addresses.
Click
Apply
to save the settings.
In the
Local Network
page, you can assign IP addresses on the LAN to specific individual
computers based on their MAC addresses.
Click
Add
to add static DHCP (optional). The page shown in the figure appears.
Select
Enable
to reserve the IP address for the designated PC with the configured MAC
address.
The
Computer Name
helps you to recognize the PC with the MAC address. For example,
Father’s Laptop.
Click
Copy Your PC’s MAC Address
to obtain the MAC address from the PC you are
using.
Click
Apply
to save the settings.
After the DHCP reservation is saved, the DHCP reservations list displays the configuration.
If the DHCP reservations list table is not empty, you can select one or more items and click
Edit
or
Delete
.
The
NUMBER OF DYNAMIC DHCP CLIENTS
page shows the current DHCP clients (PC
or Laptop) connected to the device and the detailed information of the connected
computer(s).

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