Start free5GC

Note

For more free5GC's information, please refer to free5GC's official website

A. Build and Install free5GC

Please refer to the official document: Install free5GC

B. Start free5GC

Setting Parameters
- There will be three YAML file need modified:
  - ~/free5gc/config/amfcfg.yaml
  - ~/free5gc/config/smfcfg.yaml
  - ~/free5gc/config/upfcfg.yaml
- ~/free5gc/config/amfcfg.yaml
  
  Replace ngapIpList IP from 127.0.0.18 to you export IP:
```
ngapIpList:
  - <your export IP>
```
- ~/free5gc/config/smfcfg.yaml
  
  Replace N3 interface's endpoints IP from 127.0.0.8 to your export IP:
```
interfaces:
  - interfaceType: N3
    endpoints:
      - <your export IP>
```
- ~/free5gc/config/upfcfg.yaml
  
  Replace N6 interface address IP from 127.0.0.8 to your export IP:
```
gtpu:
  forwarder: gtp5g
  iifList:
    - addr: <your export IP>
```

Check IP Forward is enabled

If you have rebooted your machine, remember to run these command with setting your export IP:

sudo sysctl -w net.ipv4.ip_forward=1
sudo iptables -t nat -A POSTROUTING -o <your export IP> -j MASQUERADE
sudo systemctl stop ufw
sudo iptables -I FORWARD 1 -j ACCEPT

Execute run.sh in free5GC
```
./run.sh
```

C. Create A Subscriber in free5GC

Please refer to the official document: Create Subscriber via Webconsole