IE Support for GTPC

The SMF supports the following IEs in GTPC messages.

Supported IEs in GTPC Messages

IE

Scenario

UE Local IP Address

If SMF receives UE Local IP Address from ePDG during Create Session Request, Create Bearer Response, Modify Bearer Request, or Delete Bearer Response procedure, then SMF sends the n3gaLocation attribute towards PCF and CHF if triggers are met.

UE UDP Port

If SMF receives UE UDP Port from ePDG during Create Session Request, Create Bearer Response, Modify Bearer Request, or Delete Bearer Response procedure, then SMF sends the n3gaLocation attribute towards PCF and CHF if triggers are met.

Example

The following example shows the n3GaLocation attribute in the output of the show subscriber supi imsi-123456789012345 nf-service smf psid 5 full command.

"n3GaLocation": {
"PortNumber": 4661,
"UeIpv4Addr": "209.165.200.227",
"ueLocationTimestamp": "2021-03-09T12:34:02Z"
}