802.1x and Windows 2000 client

From: Victor Kochetkov (Victor.Kochetkov_at_ru.ey.com)
Date: 07/23/03


Date: Wed, 23 Jul 2003 01:22:55 -0700


We try to implement 802.1x authentication on our network.
But specificity is, that not all computers are equipped
with SP3. And the plan is to make a quest(buffer)VLAN for
such computers. But the problem is that Windows 2000 once
entered to "quest" VLAN on Windows startup don’t want re-
authenticate with domain username and password after they
entered. Also if we initiate re-authenticate port from
switch, Windows 2000 802.1x don not release/renew
computers ip address after it move to new VLAN.

  List of components:
1 WS - Windows 2000 with SP3 and 313664 802.1xhotfix
2 Cisco ACS 3.2 server
3 Windows NT 4.0 domain
4 Cisco Switch 6513 CatOS 7.6.2



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