Network Configuration for Mac OS X

This page has instructions on how to configure Mac OS for use with the UIC-Net campus wired network. If your Mac is in a campus office or lab and it does not have an assigned IP address, you can use DHCP to set it up. If you don't know whether or not you're supposed to use DHCP, try it. If it works, then you can use it.

Configure/Connect Automatically, with DHCP

  1. Select Apple menu -> System Menu -> Network -> TCP/IP to open the TCP/IP control panel.
  2. Click Assist me..., then click Assistant... from the dialog box that opens.
  3. Type in the name of the connection and click Continue.
  4. Mac OS X tries to make a connection. If there is a DHCP server to connect to you will receive a message saying that you are connected. Click Done.
  5. The resulting configuration has an IP address, a Subnet Mask, and Router. You should add the DNS Servers as below. The figure below is for my Mac in my office at the ACCC, so I have the ACCC's domain for my Search Domain: cc.uic.edu
  6. This connection will continue if you shutdown or restart. If you should ever need to reconnect, click the Renew DHCP Lease button.

Configure Manually, using Your Mac's Registered IP Address

  1. Select Apple menu, System Menu, Network, TCP/IP to open the TCP/IP control panel.
  2. Set the following values:
    • Location: Automatic
    • Show: Select Built-in Ethernet
    • Configure IPv4: Select Manually
    • IP Address: Type your machine's IP address.
      • East side IP addresses begin with: 131.193.
      • West side IP addresses begin with: 128.248
    • Subnet mask: 255.255.255.0
    • Router address: Type the first three parts of your machine's IP address and then 1 as the fourth part.
      • Thus, if your IP address was 128.248.5.122, then your Router would be 128.248.5.1
    • Name Server addresses:
      • 128.248.2.50
      • 128.248.7.50
      • 128.248.171.50
    • Search domains: uic.edu

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Last updated: 

June 28, 2012

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