H3C Technologies H3C S3100 Series Switches - Manual (Page 413)

1-8
Figure 1-6 Network diagram for a typical HWTACACS application
Host HWTACACS client
HWTACACS server
HWTACACS server
Basic message exchange procedure in HWTACACS
The following text takes telnet user as an example to describe how HWTACACS implements
authentication, authorization, and accounting for a user. Figure 1-7 illustrates the basic message
exchange procedure:
Figure 1-7 AAA implementation procedure for a telnet user
The basic message exchange procedure is as follows: