I
RON
S
HIELD
W
HITE
P
APER
W
HITE
P
APER
: 802.1X P
ORT
A
UTHENTICATION
W
ITH
M
ICROSOFT
’
S
A
CTIVE
D
IRECTORY
IAS Installation Procedure
Perform the following steps to install Microsoft IAS and configure it for use with Foundry’s 802.1X Port
Authentication.
Step 1: If you do not already have an Active Directory environment setup, you will need to install a Windows
2000 server and configure Active Directory on at least one server. Make sure your DNS servers are setup
correctly to function correctly with Active Directory.
Step 2: Install the Microsoft IAS service onto the Domain Controller running Active Directory. IAS can be found
on your Windows 2000 Server CD.
• From Control Panel go to Add/Remove Windows Components.
• Select the Networking Services option and click on the “Details” button to add a new network
service.
• Select the Internet Authentication Service component to install.
Figure 2. Installing IAS on Windows 2000 Server
Step 3: Install the latest Service Pack for Windows 2000 Server. Also apply any updates for IAS and 802.1X
that may be required. This step is very critical. From Microsoft’s home page (
www.microsoft.com
), select the
Downloads option from the Resources section and search for all 802.1X patches using “802.1X” as the search
criteria for “all products”. At the time of this writing (March 3, 2003), the following patch was available:
Windows 2000 Patch: Using 802.1X Authentication on Computers Running Windows 2000
File Name: Q313664_W2K_SP4_X86_EN.exe
March 2003
©2003 Foundry Networks, Inc.
6
Version 1.0.0
All Rights Reserved.
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