Cisco 3.3 User Manual page 782

VPDN Process
Figure E-2 NAS Attempts to Authorize Domain
Corporation
ACS
User Guide for Cisco Secure ACS for Windows Server
E-2
Figure E-1 VPDN User Dials In
Corporation
ACS
If VPDN is enabled, the NAS assumes that the user is a VPDN user. The NAS
2.
strips off the "username@" (mary@) portion of the username and authorizes
(not authenticates) the domain portion (corporation.us) with the ACS. See
Figure E-2.
RSP
ACS
If the domain authorization fails, the NAS assumes the user is not a VPDN
3.
user. The NAS then authenticates (not authorizes) the user as if the user is a
standard non-VPDN dial user. See
Call setup / PPP setup
Username = mary@corporation.us
RSP
ACS
Authorization request
User = corporation.us
VPDN user
User = mary@corporation.us
Figure E-3.
Appendix E VPDN Processing
VPDN user
User = mary@corporatio
78-16592-01