The AVPs for each message were identified in the preceding section. This section
identifies the additional details of the AVPs.
An AVP can consist of several other AVPs grouped together. These are referred to as
grouped AVPs. There are baselines of AVPs that are defined in the DIAMETER RFC,
Parameter Status
Origin-host Mandatory
Origin-realm Mandatory
Host-IP-address Mandatory
Vendor-ID Mandatory
Product-name Mandatory
Origin-state-ID Mandatory
Supported-vendor-ID Optional
Auth-application-ID Optional
Inband-security-ID Optional
Acct-application-ID Optional
Vendor-specifi c-application-ID Optional
Firmware-revision Optional
AVP Optional
TABLE 7.7 Capabilities-Exchange-Request (CER) Message Content
186 Chapter 7
TABLE 7.8 Capabilities-Exchange-Answer (CEA) Message Content
Parameter Status
Result-code Mandatory
Origin-host Mandatory
Origin-realm Mandatory
Host-IP-address Mandatory
Vendor-ID Mandatory
Product-name Mandatory
Origin-state-ID Optional
Error-message Optional
Failed-AVP Optional
Supported-vendor-ID Optional
Auth-application-ID Optional
Inband-security-ID Optional
Acct-application-ID Optional
Vendor-specifi c-application-ID Optional
Firmware-revision Optional
AVP Optional
Parameter Status
Origin-host Mandatory
Origin-realm Mandatory
Origin-state-ID Mandatory
TABLE 7.9 Device-Watchdog-Request (DWR) Message Content
Parameter Status
Result-code Mandatory
Origin-host Mandatory
Origin-realm Mandatory
Error-message Optional
Failed-AVP Optional
Original-state-ID Optional
TABLE 7.
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