Dell PowerConnect B-RX Configuration Manual page 161

4. If the user is authorized to use the command, the command is executed.
TACACS+ accounting
TACACS+ accounting works as follows.
1. One of the following events occur on the device:
2. The device checks its configuration to see if the event is one for which TACACS+ accounting is
3. If the event requires TACACS+ accounting, the device sends a TACACS+ Accounting Start
4. The TACACS+ accounting server acknowledges the Accounting Start packet.
5. The TACACS+ accounting server records information about the event.
6. When the event is concluded, the device sends an Accounting Stop packet to the TACACS+
7.
AAA operations for TACACS and TACACS+
The following table lists the sequence of authentication, authorization, and accounting operations
that take place when a user gains access to a device that has TACACS and TACACS+ security
configured.
User action
User attempts to gain access to the
Privileged EXEC and CONFIG levels of the
CLI
User logs in using Telnet/SSH
User logs into the Web Management
Interface
BigIron RX Series Configuration Guide
53-1002253-01
•
A user logs into the management interface using Telnet or SSH
•
A user enters a command for which accounting has been configured
•
A system event occurs, such as a reboot or reloading of the configuration file
required.
packet to the TACACS+ accounting server, containing information about the event.
accounting server.
The TACACS+ accounting server acknowledges the Accounting Stop packet.
Configuring TACACS and TACACS+ security
Applicable AAA operations
Enable authentication:
aaa authentication enable default <method-list>
Exec authorization (TACACS+):
aaa authorization exec default tacacs+
System accounting start (TACACS+):
aaa accounting system default start-stop <method-list>
Login authentication:
aaa authentication login default <method-list>
Exec authorization (TACACS+):
aaa authorization exec default tacacs+
Exec accounting start (TACACS+):
aaa accounting exec default <method-list>
System accounting start (TACACS+):
aaa accounting system default start-stop <method-list>
Web authentication:
aaa authentication web-server default <method-list>
Exec authorization (TACACS+):
aaa authorization exec default tacacs+
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