3Com 4500 PWR 26-Port Configuration Manual page 385

9) After receiving the response indicating an authorization success, the TACACS client pushes the
configuration interface of the switch to the user.
10) The TACACS client sends an accounting start request to the TACACS server.
11) The TACACS server returns an accounting response, indicating that it has received the accounting
start request.
12) The user logs out; the TACACS client sends an accounting stop request to the TACACS server.
13) The TACACS server returns an accounting response, indicating that it has received the accounting
stop request.
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