Understanding Diameter AVPs

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Diameter conveys information by including various attribute-value pairs (AVPs) in Diameter messages. Table 25 lists the standard Diameter AVPs used in JSRC interactions.

Table 25: Standard Diameter AVPs

Code Number	Diameter AVP	Description	Type
1	User-Name	Specifies the username. For a subscriber managed by AAA, the value is the subscriber’s login name. For a static interface, the value is the interface name, which is used as the subscriber’s login name.	UTF8String
268	Result-Code	Indicates whether a request completed successfully. Provides an error code if the request failed. The following classes are recognized by Diameter: 1xxx—Informational 2xxx—Success 3xxx—Protocol errors 4xxx—Transient errors 5xxx—Permanent failures Unrecognized classes, which begin with numerals 6–9 or 0, are handled as permanent failures. JSRC supports the following values; all non-success values are treated as permanent failures: 1001—DIAMETER_MULTI_ROUND_AUTH 2001—DIAMETER_SUCCESS 5002—DIAMETER_UNKNOWN_SESSION_ID 5012—DIAMETER_UNABLE_TO_COMPLY	Unsigned32
277	Auth-Session-State	Indicates whether AAA session state is maintained. 0—STATE_MAINTAINED 1—NO_STATE_MAINTAINED	Enumerated
295	Termination-Cause	Indicates the reason why a session was terminated on the access device. 1—DIAMETER_LOGOUT 2—DIAMETER_SERVICE_NOT_PROVIDED 3—DIAMETER_BAD_ANSWER 4—DIAMETER_ADMINISTRATIVE 5—DIAMETER_LINK_BROKEN 6—DIAMETER_AUTH_EXPIRED 7— DIAMETER_USER_MOVED 8—DIAMETER_SESSION_TIMEOUT	Enumerated

Juniper Networks AVPs are used in addition to the standard Diameter AVPs. These AVPs have an enterprise number of 2636. Table 26 lists the Juniper Networks AVPs used in JSRC interactions.

Table 26: Juniper Networks Diameter AVPs

Code Number	Diameter AVP	Description	Type
2010	Juniper-DHCP-Options	Specifies the client’s DHCP options.	OctetString
2011	Juniper-DHCP-GI-Address	Specifies the DHCP relay agent’s IP address.	OctetString
2020	Juniper-Policy-Install	Specifies policies to be activated for the subscriber. Includes Juniper-Policy-Name and Juniper-Policy-Definition	Grouped
2021	Juniper-Policy-Name	Defines the name of a policy decision.	OctetString
2022	Juniper-Policy-Definition	Defines a policy decision. Includes Juniper-Policy-Name, Juniper-Template-Name, and Juniper-Substitution.	Grouped
2023	Juniper-Template-Name	Profile name defined by the router.	UTF8String
2024	Juniper-Substitution	Defines the substitution attributes. Includes Juniper-Substitution-Name and Juniper-Substitution-Value.	OctetString
2025	Juniper-Substitution-Name	Defines the name of the variable to be replaced.	OctetString
2026	Juniper-Substitution-Value	Defines the value of the variable to be replaced.	OctetString
2027	Juniper-Policy-Remove	Specifies policies to be deactivated for the subscriber. Includes Juniper-Policy-Name.	Grouped
2035	Juniper-Policy-Failed	Specifies the name of the policy activation or deactivation that failed.	OctetString
2038	Juniper-Policy-Success	Specifies the name of the policy activation or deactivation that succeeded.	OctetString
2046	Juniper-Logical-System	Specifies the logical system.	UTF8String
2047	Juniper-Routing-Instance	Specifies the routing instance.	UTF8String
2048	Juniper-Jsrc-Partition	Specifies the logical system and routing instance for the subscriber or request. Includes Juniper-Logical-System and Juniper-Routing-Instance	Grouped
2050	Juniper-Request-Type	Describes the type of request: 1—ADDRESS_AUTHORIZATION 2—PROVISIONING_REQUEST 3—SYNCHRONIZATION	Enumerated
2051	Juniper-Synchronization-Type	Describes the type of synchronization: 1—FULL-SYNC 2—FAST-SYNC 3—NO-STATE-TO-SYNC	Enumerated
2052	Juniper-Synchronization	Describes the state of synchronization: 1—NO-SYNC; this is the default state 2—SYNC-IN-PROGRESS 3—SYNC-COMPLETE	Enumerated

Understanding Diameter AVPs

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