# UE/RAN SIM Installation Guide

## Preparation

### 1. Hardware Requirements

a. Minimum Specification

* CPU : Intel I5
* RAM : 4GB
* Storage : 160GB
* NIC : 1Gbps Ethernet supported by linux kernel

b. Recommended Specification

* CPU : Intel I7
* RAM : 8GB
* Storage : 1TB
* NIC : 10Gbps Ethernet supported by linux kernel

c. General Requirements

* Operating System : Ubuntu 20.04
* Compiler : GCC 7.3.0
* Go : 1.14.4 linux/amd64

## Installation

a. Move to home directory

cd ~

b. Clone UERANSIM repository

git clone https://github.com/aligungr/UERANSIM


c. Move to UERANSIM directory

cd UERANSIM


d. Switch working directory

git checkout 3a96298


e. Update system repositories and Upgrade installed package

sudo apt update
sudo apt upgrade -y


f. Installing required tools

sudo apt install -y make g++ libsctp-dev lksctp-tools iproute2
sudo snap install cmake --classic


g. Build UERANSIM

cd ~/UERANSIM
make


## Configuration

### 1. Network Configuration

a. Open file /etc/hostname

`sudo nano /etc/hostname`

b. Replace it's contain with "ueransim"

c. Save the file, click "CTRL+x" then "y" then "ENTER"

d. Checkout file under /etc/netplan directory

`ls /etc/netplan`

The command will produce output like

`01-network-manager-all.yaml`

e. Edit the file
`sudo nano /etc/netplan/01-network-manager-all.yaml`

Aternatives
`sudo nano /etc/netplan/$(ls /etc/netplan)`

f. At first, the file will look like

network
    version: 2
    renderer: networkd
    ethernets:
        enp0s3:
            dhcp4: no

Edit the file

network:
    version: 2
    renderer: networkd
    ethernets:
    enp0s3:
        dhcp4: no
        addresses: 
            - 192.168.56.101/24
        gateway4: 192.168.56.1

g. Check for syntax error in the configuration file

sudo netplan try

h. Apply the configuration

sudo netplan apply