NAC & ip-address changing issue

Unanswered Question
Mar 30th, 2008

Hello, all.

I've noticed an interesting behavior of the Windows clients.

We have NAC OOB L3 deployment + ip-telephony. Workstations are behind ip-phones (cisco). Users do not have administrator privileges on their PCs.

When the user is authenticated the switch port changes its vlan from authentication to access. And indifferent do we use ActiveX applet or CAA agent, the user gets an error telling that the ip-address can not be changed though the port is already in the access vlan.

How this issue can be resolved?

I have not found any solutions at cisco.com

The only decision that I have for today is to decrease lease time on dhcp servers to several minutes.

Any other ideas?

Regards,

I have this problem too.
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