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UDP-Source-Port  AVP ( 2806 )

The UDP-Source-Port AVP contains the UDP source port number in the case that NA(P)T is detected for supporting interworking with fixed broadband access network as defined in the referenced specification. When Untrusted WLAN over S2b access is supported, it contains the UDP source port number used for the IKEv2 tunnel in the case that a NAT is detected and the IKEv2 messages exchanged between the UE and the ePDG are encapsulated in the UDP messages.
Reference: 3GPP TS 29.212-f60   View

Type:

  Unsigned32

Mandatory Bit:

  MUST NOT

Protection Bit:

  MAY

Vendor ID:

  10415

Value Length:

  4 .. 4

Minimum Value:

  0

Maximum Value:

  4294967295

Containing AVPs
Access-Network-Reports
Event-Report-Indication
UWAN-User-Location-Info

Containing Messages
Re-Auth-Request Rx
Session-Termination-Answer Rx
Credit-Control-Request Gx
Credit-Control-Request Gxx
Re-Auth-Request S9
Trigger-Establishment-Request
Credit-Control-Request S15