Manual
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354 
3 Access-Reject 
4 Accounting-Request 
5 Accounting-Response 
11 Access-Challenge 
Identifier field (1 octet): Identifier for the request and answer packets. 
Length field  (2 octets): The length  of the overall RADIUS  packet, including  Code, Identifier, 
Length, Authenticator and Attributes 
Authenticator field (16 octets): used for validation of the packets received from the RADIUS 
server.  Or  it  can  be  used  to  carry  encrypted  passwords.  This  field  falls  into  two  kinds:  the 
Request Authenticator and the Response Authenticator. 
Attribute field: used to carry detailed information about AAA. An Attribute value is formed by 
Type, Length, and Value fields. 
  Type field (1 octet), the type of the attribute value, which is shown as below: 
Property 
Type of property 
Property 
Type of property 
1 
User-Name 
23 
Framed-IPX-Network 
2 
User-Password 
24 
State 
3 
CHAP-Password 
25 
Class 
4 
NAS-IP-Address 
26 
Vendor-Specific 
5 
NAS-Port 
27 
Session-Timeout 
6 
Service-Type 
28 
Idle-Timeout 
7 
Framed-Protocol 
29 
Termination-Action 
8 
Framed-IP-Address 
30 
Called-Station-Id 
9 
Framed-IP-Netmask 
31 
Calling-Station-Id 
10 
Framed-Routing 
32 
NAS-Identifier 
11 
Filter-Id 
33 
Proxy-State 
12 
Framed-MTU 
34 
Login-LAT-Service 
13 
Framed-Compression 
35 
Login-LAT-Node 
14 
Login-IP-Host 
36 
Login-LAT-Group 
15 
Login-Service 
37 
Framed-AppleTalk-Link 
16 
Login-TCP-Port 
38 
Framed-AppleTalk-Network 
17 
(unassigned) 
39 
Framed-AppleTalk-Zone 
18 
Reply-Message 
40-59 
(reserved for accounting) 










