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	Ethernet :	Configure TCP/IP Configure AppleTalk Test your Setup
	Wireless :	Connecting
	Tether :	Connect Via Dialup Configure TCP/IP Configure Remote PPP Configure Modem Test Settings
	iPass	What is iPass? Connecting

 

Connect Via Ethernet

1. Open System Preferences, either from the Dock or the blue Apple menu.
   
   
2. When the System Preferences window appears, click on the Network icon.
   
   
   
   Result: The Network configuration window appears. From this window, you configure TCP/IP, AppleTalk, PPP (dialup Tether) and even PPPoE (DSL with an outside provider).
   
   
3. From the Location drop down menu (at the top of the window), choose Automatic. OS X will decide how you are trying to connect.
4. From the Show menu (beneath the Location menu), choose Built-In Ethernet.

Configure TCP/IP

1. Click on the TCP/IP tab and enter the following settings as shown in the table below:
   
   
   
   

   Field	Ethernet Direct Connection
   Configure:	Manually
   IP Address:	your IP address, in the form 18.x.y.z
   Subnet Mask:	255.255.0.0
   Router:	your gateway address.(If your IP address is 18.x.y.z, your gateway address will be 18.x.0.1)
   Domain Name Servers ( REQUIRED):	18.71.0.151 18.70.0.160 18.72.0.3
   Search domains ( REQUIRED):	mit.edu

2. Click on the button in the lower right corner. It will either say Apply Now or Save.
3. To close the window, click on the red button. To configure AppleTalk and DHCP/Wireless, keep the Network window open and continue to the next set of instructions below.

Configure Appletalk

1. Click on the AppleTalk tab.
   Result: The AppleTalk configuration panel appears.
   
   
   
2.  Click in the check box Make AppleTalk Active.
3. Click the Apply Now/Save button.
4. Click on the Configure pop-up menu and choose Automatically.
   Tip You may need to toggle between Automatically and Manually.
   Result: The AppleTalk Zone field is activated and your AppleTalk Zone appears selected in the drop-down menu.
5. Click the Apply Now/Save button.
   Result: If this is your desktop computer and you do not plan on moving it to any other location, you are done.

Test your Setup

Test your TCP/IP setup

1. Open your Web browser and go to http://web.mit.edu/.

Test your AppleTalk setup

1. From the Macintosh Go menu, select Connect to Servers...

 

Connect Via Wireless
You can register for one of the mobile computer services that let you connect your laptop computer from many sites on campus either via a DHCP (Dynamic Host Configuration Protocol) -- wired or wireless.

To use the wireless service you must have

• a wireless card.
• DHCP registration.
• (faculty and staff only) valid static MITnet IP address.

Students and others with no existing static MITnet IP address
You are done and do not need to complete the steps below.

Faculty, staff, and others with an existing MITnet IP address
If you also need a wireless connection, complete the steps below.

1. Under System Preferences select Network.
2. In the Show pull-down menu, select AirPort.
3. Click on the TCP/IP tab and complete the fields as shown in the table below.
   
   
   
   

   Field	Ethernet Direct Connection
   Configure:	Using DHCP
   Domain Name Servers ( REQUIRED):	18.71.0.151 18.70.0.160 18.72.0.3
   Search domains ( REQUIRED):	mit.edu

4. At the bottom of the screen, note the Airport ID. This is the hardware address of the Airport card. Write it down -- you'll need this to register the AirPort card.
5. Click on the Apply Now button.

To use this service you must have a valid static MITnet IP address, which you do if you have just completed the Ethernet connectivity setup. For more information and to sign up for the service, go to the DHCP web page.

 

Connect Via Tether

Connect via Dialup
Tether is MIT's remote-access dialup service providing PPP

1. Open System Preferences, either from the Dock or the blue Apple menu.
2. In the System Preferences window, click on the Network icon.
   Result: The Network configuration window appears. From this window, you configure TCP/IP, AppleTalk, PPP (dialup Tether) and even PPPoE (DSL with an outside provider).
3. From the Location drop down menu, choose Automatic.
4. From the Show menu, choose either Internal Modem or External Modem.

Configure TCP/IP

1. Click on the TCP/IP tab and enter the following settings in the appropriate fields.
   
   
   
   

   Field	Tether Setting
   Configure:	Using PPP
   Domain Name Servers:	18.70.0.160 18.71.0.151 18.72.0.3
   Search domains:	mit.edu

2. Click on the Apply Now button.

Configure Remote Access (PPP) Control Panel

1. Click on the PPP tab and complete the fields as shown below. Remember, use your username, NOT the username in the example shown.
   
   
   
   

   Field	Tether Setting
   Telephone Number:	617-679-4000
   Alternative Number:	Leave Blank
   Account Name:	your kerberos username
   Password:	your kerberos password
   Save Password	Leave Unchecked

2. Click on the Apply Now/Save button.

Configure Modem

1. If you do not have an internal modem, click on the Modem tab and choose your modem from the Modem pull-down menu. Unless you are an advanced user and are comfortable with changing settings, accept the other defaults.
   
   
2. Click on the Apply Now/Save button.

Test Your Tether Settings

1. To connect to Tether, from the Go menu choose Applications. When the Applications window appears, click on Internet Connect.
2. In the window that appears, from the Configuration drop-down menu, select Internal Modem.
   Result: The Internal Modem window appears containing the appropriate Tether dialup information.
   
   
3. In the Password field, enter your Kerberos password and click on Connect.
   Result: You are connected to MITnet via Tether.
4. Test the connection. Launch Internet Explorer and go to http://web.mit.edu/.

    

Connect Via iPass

What is iPass?
iPass is a fee-based remote connection service for members of the MIT community who are traveling outside the Cambridge/Boston area and need to connect to the Internet and to MITnet.

With the iPassConnect client installed on your computer, a modem, and an MIT iPass account you can be just about anywhere in the world and connect to the Internet by dialing a local (or nearby) telephone number, saving long-distance toll charges (for example, compared to Tether or with an MIT calling card). In addition to standard modem dialup, high-speed wireless and wired broadband iPass connections are available at some airports, hotels, and conference centers worldwide. iPass operates by consolidating Internet service providers into a single global virtual network.

Connecting
Registration and use of iPass requires that you have a Kerberos username and password. Currently, iPass is available only to members of the MIT community whose usage fees can be charged to an Institute cost center. In the future, iPass will be available for personal use to MIT faculty, staff, and students, with billing through payroll deduction or student accounts.

Note: iPass is not intended to replace a dialup connection from your home that you use for more than four hours a month.

For more details, see iPass at MIT.

This page includes information on registration, system requirements, and links to further documentation.

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