A few days ago I was writing about How can you assign a static IP address to a computer with Windows when you use DHCP to connect to internet, to avoid IP conflicts If you have more computers/devices connected to the same network. If you are a user The x And you have Mac connected in the same network with a PC Windows (or other devices) and you want to Set a static IP address And for this, follow the instructions below.
How do we attribute an IP address static to a Mac OS X?
- open System Preferences and click on Network

- Note the information about IP address, Subnet Mask, Adresa Router and DNS, then click on the field next to the right Location and select Edit Locations

- Click on the sign plus, add o The new location for Static IP address (You can choose anything name Wish for this, such as for example Static IP) and click on the button Done

- back in settings Network, select The new location created (in law Location) and select Manually from the drop-down menu displayed next to Configure IPv4

- Then enter IP address you want to use as IP static, Subnet Mask, The address of the router and Adresa DNS (You can find out about them and click on the button Advanced) and click on Apply

Note: In order to be able to make changes in the network settings, you must first click on the icon in the form of a closed lock displayed in the left-hand corner, then enter the user and administrator password.
STEALTH SETTINGS – How to setup a static IP address in OS X