# Open5GS Core integrated with VIAVI UE Emulator
## Configuration Settings:
### AMF
Modify "open5gs/install/etc/open5gs/amf.yaml"
1. ngap:
- addr: 127.0.0.5
+ addr: 192.168.1.161
2. tai:
+ plmn_id:
<span style="background-color: yellow">- mcc: 208
- mnc: 95</span>
<span style="background-color: pink">+ mcc: 001
+ mnc: 01</span>
3. plmn_support:
+ plmn_id:
<span style="background-color: yellow">- mcc: 208
- mnc: 95</span>
<span style="background-color: pink">+ mcc: 001
+ mnc: 01</span>
### UPF
Modify "open5gs/install/etc/open5gs/upf.yaml"
#### gtpu:
<span style="background-color: yellow">
- addr: 127.0.0.7</span>

<span style="background-color: pink">+ addr: 192.168.1.161</span>
## Network Settings:
### NAT Port Forwarding (to bridge between the UPF and Internet)

sudo sysctl -w net.ipv4.ip_forward=1
sudo systemctl stop ufw
sudo iptables -I FORWARD 1 -j ACCEPT
sudo iptables -t nat -A POSTROUTING -s 10.45.0.0/16 ! -o ogstun -j MASQUERADE
sudo ip addr add 10.45.0.1/16 dev ogstun
sudo ip link set ogstun up

## Run and Terminate:
### Initialize

cd open5gs
./run-core-nfs.sh

### Terminate

pkill -f open5gs
killall screen