# Enhanced Wireless Access Gateway Configuration AAA AVP Support

This appendix presents a quick reference for message-level AVP support for the eWAG.

The following table describes the indicators used in the quick reference table.
Table 1. Indicators used in the Quick Reference Table

Indicator | Description
--- | ---
M | Mandatory, one or more instances of the AVP MUST be present in the message.
O | Optional, zero or more instances of the AVP MAY be present in the message.

Table 2. eWAG AVP Support Quick Reference Table

Attribute | Accounting-Request-Start | Accounting-Request-Interim | Accounting-Request-Stop | Disconnect-Message Request (PoD message initiated by eWAG) | Comments
--- | --- | --- | --- | --- | ---
Acct-Status-Type | M | M | M | . | .
3GPP-IMSI | M | M | M | . | .
User-Name | M | M | M | M | .
Called-Station-ID | O | O | O | . | Optional. APN identifying the target network in UTF-8 encoded string. If not specified, eWAG configured default APN should be used
Calling-Station-ID | M | M | M | O | .
Framed-IP-Address | M | M | M | O | .
Acct-Session-Id | M | M | M | O | .
NAS-IP-Address | M | M | M | M | Contains ISG/WLC IP address which initiated the accounting message.
Event-Timestamp | O | O | O | O | .
Acct-Session-Time | . | . | O | . | .
Acct-Terminate-Cause | . | . | O | . | .
3GPP-Charging Characteristics | O | O | O | . | Optional, otherwise attribute omitted in CPC Request.
3GPP-Negotiated-QoS-Profile | O | O | O | . | Optional, otherwise eWAG configured value used in CPC Request.
3GPP-SGSN-MCC-MNC | O | O | O | . | UTF-8 encoded MCC/MNC used by eWAG to build RAI identifying Wi-Fi network, otherwise currently only eWAG-configured value is used and this attribute is ignored.
3GPP-RAT-Type | O | O | O | . | Ignored. Hard coded to 3 by eWAG.