Hele ještě hledám na D-Link,našel jsem tohle

Step 4 In the Add Static DHCP Client selection select the checkbox next to Enable and configure the following:

• IP Address - Enter the IP address of the computer or select it using the drop-down list to the right.
• MAC Address - Enter the MAC address of the computer. If the computer you are using is the computer you want to configure a static DHCP IP address, click Clone Your Computers MAC Address.
• Computer Name - Enter the name of your computer.
Poslední bod - musí se do routeru napsat i název PC - myslíte že provider třeba může zjistit MAC+název PC aby to hlídal?