IBM Tivoli and Cisco - Manual (Page 296)

278 Building a Network Access Control Solution with IBM Tivoli and Cisco Systems
Figure 7-58 CTA pop-up configuration
14.Click Submit.
Note: Steps 12 and 13 are optional because they are simply embedding
some color in the CTA pop-ups on the end user’s workstation. You can
tailor this so that you can have as simple or as colorful a pop-up as you
like. Leaving these fields blank will result in
no
pop-up notification on the
end user’s screen. Note that the .jpegs referenced here must be installed in
the root of the C: drive of the end user’s machine. This is also
customizable.