APN-Configuration-Profile（AVP Code 1429）

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APN-Configuration-Profile AVP包含了用户的EPC网络中的签约APN数据。它是一组APN相关信息的集合。通过其下级的Context-Identifier AVP来唯一的识别每个签约用户的缺省APN配置信息。AVP Code为1429。3GPP规范对应TS29.272，以下是规范中的相关说明：

The APN-Configuration-Profile AVP is of type Grouped. It shall contain the information related to the user's subscribed APN configurations for EPS. The Context-Identifier AVP within it shall that identify the per subscriber’s default APN configuration.

该AVP的格式应该如下：APN-Configuration-Profile ::= <AVP header: 1429 10415>{ Context-Identifier }{ All-APN-Configurations-Included-Indicator }1*{APN-Configuration}*[AVP]The Subscription-Data AVP associated with an IMSI contains one APN-Configuration-Profile AVP.Each APN-Configuration-Profile AVP contains one or more APN-Configuration AVPs.Each APN-Configuration AVP describes the configuration for a single APN.Therefore, the cardinality of the relationship between IMSI and APN is one-to-many.上面的话翻译过来就是，和某个IMSI相关的签约数据AVP包含了一个APN-Configuration-Profile AVP。每个 APN-Configuration-Profile AVP又包含了一个或多个 APN-Configuration AVP。每个 APN-Configuration AVP则描述了一个单独的APN的配置。因此，IMSI和APN的关系应该是一对多的关系。

该AVP的示例截图如下图所示：