How it Works

This section describes how this feature works.

The following table describes various actions on detecting GTPU path failure.

GTPU Path Failure for Node Report

Interface

Configuration

TEID

Action

s1u/s5u

Local Purge

Default

Send SxSessionDeletion to clean up on UPF

Purge PDN locally

Dedicated

Send SxSessionModification (Remove TrafficEndpoint)

Purge Bearer locally

Signal Peer

Default

Send SxSessionModificationRequest (FAR Action=DROP)

Send DBReq to MME and DSReq to PGW

Send SxSessionDeletionRequest

Dedicated

Send DBReq to MME and DBCmd to PGW (Async)

Send SxSessionModificationRequest (Remove Traffic Endpoint)