224CHAPTER 9: AAA AND RADIUS OPERATION

response, NAS considers the communication with the current RADIUS server disconnected and will transmit the request packet to other RADIUS servers.

Perform the following configurations in RADIUS server group view.

Table 239 Set Retransmission Times of RADIUS Request Packet

Operation

Command

 

 

Set retransmission times of RADIUS request

retry retry-time

packet

 

Restore the default value of retransmission

undo retry

times

 

 

 

By default, RADIUS request packet will be retransmitted up to three times.

Enabling the Selection of the RADIUS Accounting Option

If no RADIUS server is available or if RADIUS accounting server fails when the accounting optional is configured, the user can still use the network resource, otherwise, the user will be disconnected.

Perform the following configurations in RADIUS server group view.

Table 240 Enable the Selection of the RADIUS Accounting Option

Operation

Command

 

 

Enable the selection of the RADIUS accounting

accounting optional

option

 

Disable the selection of the RADIUS

undo accounting optional

accounting option

 

 

 

The user configured with accounting optional command in RADIUS scheme longer sends a real-time accounting update packet or offline accounting packet.

The accounting optional command in a RADIUS server group view is only effective on the accounting that uses this RADIUS server group.

By default, selection of RADIUS accounting option is disabled.

Setting a Real-time Accounting Interval

To implement this feature, it is necessary to set a real-time accounting interval. After the attribute is set, NAS will transmit the accounting information of online users to the RADIUS server regularly.

Perform the following configurations in RADIUS server group view.

Table 241 Set a Real-Time Accounting Interval

Operation

Command

 

 

Set a real-time accounting interval

timer realtime-accounting minute

Restore the default value of the interval

undo timer realtime-accounting

 

 

The minute variable specifies the real-time accounting interval in minutes. The value must be a multiple of 3.

The value of minute is related to the performance of NAS and RADIUS server. The smaller the value is, the higher the performances of NAS and RADIUS have to be. When there are a large amount of users (more than 1000, inclusive), we suggest a

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3Com 10014298 manual Enabling the Selection of the Radius Accounting Option, Setting a Real-time Accounting Interval