System Preferences>Network, unlock the lock if need be, highlight the Interface you use to connect to Internet, click on the advanced button, click on the DNS tab, click on the little plus icon, then add these numbers.

System Preferences>Network>choose interface>Advanced>Proxies Tab, make sure none are set, like for HTTP & HTTPS. If using Wifi, instead of joining your Network from the list, click the WiFi icon at the top, and click join other network. What is a MAC address It is a unique multi-digit number that identifies your device when it connects to the internet. This is one of the Wi-Fi router features that will give you a false sense of security. In practice, this protection is tedious to set up and easy to breach. On a Netgear router, click the Attached Devices link in the left navigation panel under the Maintenance heading. Sys Prefs>Network>highlight the Interface you're using>Advanced>TCP/IP>Configure IPv4: Using DHCP. MAC address filtering allows you to define a list of devices and only allow those devices on your Wi-Fi network. This table identifies all devices connected to the router by the device name, IP address and MAC address. The interface that connects to the Internet should be dragged to the top of the list. System Preferences>Network, click on the little gear at the bottom next to the + & - icons, (unlock lock first if locked), choose Set Service Order. See also Connect iPhone to a Wi-Fi network.

Using a private address helps reduce tracking of your iPhone across different Wi-Fi networks. Important: For better privacy, leave Private Address turned on for all networks that support it. System Preferences>Network, top of window>Locations>Edit Locations, little plus icon, give it a name. Go to Settings > Wi-Fi, then tap for a network. Make a New Location, Using network locations in Mac OS X. Often with arp -a or show arp on a router commandline. It means it's not getting an IP handed out to it by the Router or Modem. If you have access to the ARP table on your router, you can translate the MAC address to an IP address.

What does wifi mac address mean