DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support
User Manual
Configuring via Web-based Interface
In the Static IP Addresses section, you can specify MAC address and IPv4 address pairs (set a
fixed IPv4 address in the local area network for a device with a certain MAC address). The router
assigns IPv4 addresses in accordance with the specified pairs only when the DHCP server is
enabled (in the Dynamic IP Addresses section, the DHCP server value is selected from the
Mode of dynamic IP address assignment drop-down list).
Figure 76. The section for creating MAC-IPv4 pairs.
To create a MAC-IPv4 pair, click the ADD button ( ). In the opened window, in the IP address
field, enter an IPv4 address which will be assigned to the device from the LAN, then in the MAC
address field, enter the MAC address of this device. In the Hostname field, specify a network
name of the device for easier identification (optional). Click the APPLY button.
Also you can create a MAC-IPv4 pair for a device connected to the router's LAN at the moment. To
do this, click the CLIENTS LIST button. In the opened window, select the relevant device and
click the OK button. To view the latest list of the connected devices, click the REFRESH button.
To edit the settings for the existing MAC-IPv4 pair, left-click the relevant line in the table. In the
opened window, change the needed parameters and click the APPLY button.
To remove a MAC-IPv4 pair, select the checkbox located to the left of the relevant line in the table
and click the DELETE button ( ). Then click the APPLY button. Also you can remove a MAC-
IPv4 pair in the editing window.
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