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
Step 4: With IAS installed and all the latest service packs and patches applied, the next step is to enable IAS to
work with Active Directory. To register IAS in the default domain, perform the following steps:
• Log in to the IAS server with administrative rights.
• Open the IAS management screen from the Programs/Administrative Tools/Internet Authentication
Service menu option. You can also add it to your MMC management console to make it easier to access.
• Right-click on Internet Authentication Service, and select Register Server In Active Directory to
enable IAS to work with Active Directory.
Figure 3. Registering IAS in Active Directory
Step 5: The next step is to setup the RADIUS server parameters. From the IAS management screen, perform
the following steps:
• Right-click on Internet Authentication Service, and select Properties.
• On the Service tab, select both log options to record successful and unsuccessful authentication
attempts.
• On the RADIUS tab, set the UDP ports that will be used to communicate with the Foundry devices. For
this example, we will use the following ports:
o
Authentication port: 1812
o
Accounting port: 1813
March 2003
©2003 Foundry Networks, Inc.
7
Version 1.0.0
All Rights Reserved.
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