Call Flows
This section describes the static IP call flow.
The following figure shows the static IP address allocation call flow.

Step | Description |
---|---|
1 |
Configure the static address ranges and UPF list. |
2 |
Split the static address ranges into equal number of ranges for UPFs. |
3 |
Enable program routes for the assigned static address range. |
4 | Bring up the session. |
5 |
Enable secondary authentication under the DNN profile. |
6 |
The SMF sends the Authentication Request to the RADIUS server. The RADIUS server sends an Authentication Response with the static IP of the subscriber. The SMF selects the UPF based on the static IP and continues with the programming. |
7 | Complete the subscriber programming. |