


While still in the Terminal from the root account, type ifconfig ethX up (again, where X is the Ethernet adapter you are looking to renew, usually eth0).Now that you know how to use the command, here are some interesting things you can do with it:.


To release and renew your IP address in Mac OS X, you’ll use the Network system preferences to renew the DHCP Lease. Enter your admin username and password, if prompted.Ī restart may be required to complete the process.Right-click the Start menu and select Command Prompt (Admin).Type ipconfig /renew to get a new IP address.Ī restart may be required to complete the process.At the flashing cursor, type ipconfig /release. Command Prompt should appear in the Search screen.To access and renew your IP address, you’ll need to open a command prompt. In all but the rarest cases, you’ll have a static IP address and can proceed. This is usually reserved for servers, and not your standard desktop or laptop. Please call the Help Desk for assistance. A word of caution: if your setup requires a static IP address, meaning that your IP address never changes, this guide is not for you. Since you don’t have that access using the SU network, you’ll need to release and renew the IP address manually. In your home network, you’d probably try restarting your router by turning it on and off(unplug). The first step in troubleshooting IP problems is to try to get a new IP address. This guide will show you how to release your IP address. If you can’t access your email or the Internet, it may be possible that you are experiencing problems getting an IP address.
