The "Server-Assignment-Answer" Diameter command code
The "Server-Assignment-Answer" Diameter command is defined by and uses the command code "301".
It has the PXY bit.
It is part of the 3GPP SWx, 3GPP Wx, 3GPP Cx, 3GPP STa, 3GPP SWm, 3GPP S6b, 3GPP Pr applications.
It is defined in the 3GPP TS 29.273: Evolved Packet System (EPS); 3GPP EPS AAA interfaces specification.
It contains the following AVPs:
| AVP code | AVP name | AVP type | AVP requirement |
|---|---|---|---|
| 263 | Session-Id | UTF8String | Fixed (1) |
| 301 | DRMP | Enumerated | Optional (up to 1) |
| 260 | Vendor-Specific-Application-Id | Grouped | Required (1) |
| 268 | Result-Code | Enumerated | Optional (up to 1) |
| 297 | Experimental-Result | Grouped | Optional (up to 1) |
| 277 | Auth-Session-State | Enumerated | Required (1) |
| 264 | Origin-Host | DiameterIdentity | Required (1) |
| 296 | Origin-Realm | DiameterIdentity | Required (1) |
| 1 | User-Name | UTF8String | Required (1) |
| 303 | WLAN-User-Data | Grouped | Optional (up to 1) |
| 1500 | Non-3GPP-User-Data | Grouped | Optional (up to 1) |
| 304 | Charging-Data | Grouped | Optional (up to 1) |
| 318 | 3GPP-AAA-Server-Name | DiameterIdentity | Optional (up to 1) |
| 621 | OC-Supported-Features | Grouped | Optional (up to 1) |
| 284 | Proxy-Info | Grouped | Optional |
| 650 | Load | Grouped | Optional |
| 606 | Cx-User-Data | OctetString | Optional (up to 1) |
| 623 | OC-OLR | Grouped | Optional (up to 1) |
| 282 | Route-Record | DiameterIdentity | Optional |
| 628 | Supported-Features | Grouped | Optional |
| 702 | Sh-User-Data | OctetString | Optional (up to 1) |
| 618 | Charging-Information | Grouped | Optional (up to 1) |
| 632 | Associated-Identities | Grouped | Optional (up to 1) |
| 638 | Loose-Route-Indication | Enumerated | Optional (up to 1) |
| 639 | SCSCF-Restoration-Info | Grouped | Optional |
| 647 | Associated-Registered-Identities | Grouped | Optional (up to 1) |
| 602 | Server-Name | UTF8String | Optional (up to 1) |
| 634 | Wildcarded-Public-Identity | UTF8String | Optional (up to 1) |
| 652 | Priviledged-Sender-Indication | Enumerated | Optional (up to 1) |
| 656 | Allowed-WAF-WWSF-Identities | Grouped | Optional (up to 1) |
| 279 | Failed-AVP | Grouped | Optional (up to 1) |
< Server-Assignment-Answer > ::= < Diameter-Header: 301, PXY >
< Session-Id >
[ DRMP ]
{ Vendor-Specific-Application-Id }
[ Result-Code ]
[ Experimental-Result ]
{ Auth-Session-State }
{ Origin-Host }
{ Origin-Realm }
{ User-Name }
[ WLAN-User-Data ]
[ Non-3GPP-User-Data ]
[ Charging-Data ]
[ 3GPP-AAA-Server-Name ]
[ OC-Supported-Features ]
* [ Proxy-Info ]
* [ Load ]
[ Cx-User-Data ]
[ OC-OLR ]
* [ Route-Record ]
* [ Supported-Features ]
[ Sh-User-Data ]
[ Charging-Information ]
[ Associated-Identities ]
[ Loose-Route-Indication ]
* [ SCSCF-Restoration-Info ]
[ Associated-Registered-Identities ]
[ Server-Name ]
[ Wildcarded-Public-Identity ]
[ Priviledged-Sender-Indication ]
[ Allowed-WAF-WWSF-Identities ]
[ Failed-AVP ]
| Update source | Insertion date |
|---|---|
| 3GPP | 2026-04-26 07:12 |
| Wireshark | 2026-04-26 07:12 |