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Code field(1octets): is the type of the RADIUS packet. Available value for the Code field is
show as below:
1
Access-Request
2
Access-Accept
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
1
2
3
4
5
6
7
8
Framed-IP-Address
9
Framed-IP-Netmask
10
11
12
13
Framed-Compression
14
15
16
Type of property
User-Name
User-Password
CHAP-Password
NAS-IP-Address
NAS-Port
Service-Type
Framed-Protocol
Framed-Routing
Filter-Id
Framed-MTU
Login-IP-Host
Login-Service
Login-TCP-Port
47-175
Property
Type of property
23
Framed-IPX-Network
24
25
26
Vendor-Specific
27
Session-Timeout
28
Idle-Timeout
29
Termination-Action
30
Called-Station-Id
31
Calling-Station-Id
32
NAS-Identifier
33
Proxy-State
34
Login-LAT-Service
35
Login-LAT-Node
36
Login-LAT-Group
37
Framed-AppleTalk-Link
38
Framed-AppleTalk-Network
State
Class
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Troubleshooting
