how to do the dynamic VLAN rewrite according to the username or calling-station-id?

[A.L.M.Buxey at lboro.ac.uk]

Hi,
> We are trying to explore the 802.1x in university resnet.  One thing we want
> to do is put the cisco switch port in a walled garden VLAN if the username
> or calling-station-id match a blocklist. If username/calling-station-id is
> not in the blocklist, they will just get to the static access VLAN
> configured on the cisco switch port. Is there any module available to do
> this already?

use SQL, Users file or LDAP - if the user exists as a check item
then set the correct Cisco VLAN return attributes.  

alan