You can verify that you are connected to the LAN or internet by using the ping command.

Do not be surprised if the Network preference pane is telling you that you “Airport does not have an IP address and cannot connect to the Internet.” when in fact, you do have one and you are online. Note: for whatever reason, when you are setting the IP address manually via the command line the Mac OS X Network Preferences doesn’t necessarily catch up to the changes. Sudo ifconfig en1 down sudo ifconfig en1 up This works to set an IP address from a DHCP server by bringing down the interface and starting it back up again, refreshing the IP: This command will require you to enter the system name of the interface, en0: ipconfig getifaddr en0 If you are connected to multiple networks and are not. This allows the user to set a determined static IP manually that won’t change, unless it has been overwritten by a new IP or a new IP has been specified.Īnother approach is to bring the networking interface off and on again. You can specify an IP address to set via the command line with the following: How to Set a Specific IP Address via Terminal in OS X You can check that the IP is set by getting your current IP address from the command line with:ĭoing this before and after will insure you have a new IP. FYI: en1 is generally wireless/airport, en0 is generally ethernet. This will renew your DHCP lease and you will be issued a new IP address from the DHCP server. To display a Mac network interface’s IP address (for the wireless network interface, denoted by en1), enter this command: ipconfig getifaddr en0 To display a Mac network interface’s subnet mask. Starting with setting an IP address from a DHCP connection, issue the following command in the Terminal: Go to terminal Type in ipconfig getifaddr en0 then hit enter Example: Thomass-MacBook-Pro-2: ThomasSeaman ipconfig.

Ipconfig getifaddr en0