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PowerConnect B-Series FCX Configuration Guide 1195
53-1002266-01
Configuring RADIUS security
32
• 5 – Authorization is performed for commands available at the Read Only level (read-only
commands)
NOTE
RADIUS command authorization can be performed only for commands entered from Telnet or SSH
sessions, or from the console. No authorization is performed for commands entered at the Web
Management Interface or Brocade Network Advisor.
NOTE
Since RADIUS command authorization relies on the command list supplied by the RADIUS server
during authentication, you cannot perform RADIUS authorization without RADIUS authentication.
Command authorization and accounting for console commands
The Dell PowerConnect device supports command authorization and command accounting for CLI
commands entered at the console. To configure the device to perform command authorization and
command accounting for console commands, enter the following.
PowerConnect(config)#enable aaa console
Syntax: enable aaa console
CAUTION
If you have previously configured the device to perform command authorization using a RADIUS
server, entering the enable aaa console command may prevent the execution of any subsequent
commands entered on the console.
This happens because RADIUS command authorization requires a list of allowable commands
from the RADIUS server. This list is obtained during RADIUS authentication. For console sessions,
RADIUS authentication is performed only if you have configured Enable authentication and
specified RADIUS as the authentication method (for example, with the aaa authentication enable
default radius command). If RADIUS authentication is never performed, the list of allowable
commands is never obtained from the RADIUS server. Consequently, there would be no allowable
commands on the console.
Configuring RADIUS accounting
Dell PowerConnect devices support RADIUS accounting for recording information about user
activity and system events. When you configure RADIUS accounting on a Dell PowerConnect device,
information is sent to a RADIUS accounting server when specified events occur, such as when a
user logs into the device or the system is rebooted.
Configuring RADIUS accounting for Telnet/SSH (Shell) access
To send an Accounting Start packet to the RADIUS accounting server when an authenticated user
establishes a Telnet or SSH session on the Dell PowerConnect device, and an Accounting Stop
packet when the user logs out.
PowerConnect(config)#aaa accounting exec default start-stop radius
Syntax: aaa accounting exec default start-stop radius | tacacs+ | none