Table 129 The RADIUS server returns a
Table 130 The user stops access to network resources.
RADIUS packet format
RADIUS uses UDP to transmit messages. It ensures the smooth message exchange between the RADIUS server and the client through a series of mechanisms, including the timer management mechanism, retransmission mechanism, and slave server mechanism.
a.RADIUS packet format
Descriptions of the fields are as follows:
Table 131 The Code field
2.Main values of the Code field
Code | Packet type | Description | |
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| |
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| From the client to the server. A packet of this type carries user | |
1 | information for the server to authenticate the user. It must contain the | ||
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| ||
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| ||
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| |
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| From the server to the client. If all the attribute values carried in the | |
2 | |||
|
| the server sends an | |
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|
| |
|
| From the server to the client. If any attribute value carried in the | |
3 | |||
|
| an | |
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|
| |
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| From the client to the server. A packet of this type carries user | |
4 | information for the server to start/stop accounting for the user. It | ||
contains the | |||
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| ||
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| server is requested to start the accounting or to end the accounting. | |
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| |
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| From the server to the client. The server sends to the client a packet of | |
5 | this type to notify that it has received the | ||
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| correctly started recording the accounting information. | |
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