open5gs/05-macosx-apple-silicon.md at f75e51ca467342a29c80666748d7b354a90daeed

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title	head_inline
Mac OS X	<style> .blue { color: blue; } </style>

This guide is based on macOS Big Sur 11.2 on a Macbook Air(Apple M1 Chips) computer. {: .blue}

Install Xcode Command-Line Tools

Homebrew requires the Xcode command-line tools from Apple's Xcode.

$ xcode-select --install

Installing Homebrew

Install brew using the official Homebrew installation instructions.

$ /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

Getting MongoDB

Install MongoDB with Package Manager.

$ brew tap mongodb/brew
$ brew install mongodb-community

Run MongoDB server.

$ mongod --config /usr/local/etc/mongod.conf

Tip: MongoDB is persistent after rebooting with the following commands: $ brew services start mongodb-community {: .notice--info}

Setting up network (No persistent after rebooting)

Note that Open5GS uses built-in "utun" device driver. So, You don't have to install external TUN/TAP driver. {: .blue}

Configure the loopback interface.

$ sudo ifconfig lo0 alias 127.0.0.2 netmask 255.255.255.255
$ sudo ifconfig lo0 alias 127.0.0.3 netmask 255.255.255.255
$ sudo ifconfig lo0 alias 127.0.0.4 netmask 255.255.255.255
$ sudo ifconfig lo0 alias 127.0.0.5 netmask 255.255.255.255
$ sudo ifconfig lo0 alias 127.0.0.5 netmask 255.255.255.255
$ sudo ifconfig lo0 alias 127.0.0.6 netmask 255.255.255.255
$ sudo ifconfig lo0 alias 127.0.0.7 netmask 255.255.255.255
$ sudo ifconfig lo0 alias 127.0.0.8 netmask 255.255.255.255
$ sudo ifconfig lo0 alias 127.0.0.9 netmask 255.255.255.255
$ sudo ifconfig lo0 alias 127.0.0.10 netmask 255.255.255.255
$ sudo ifconfig lo0 alias 127.0.0.11 netmask 255.255.255.255
$ sudo ifconfig lo0 alias 127.0.0.12 netmask 255.255.255.255
$ sudo ifconfig lo0 alias 127.0.0.13 netmask 255.255.255.255
$ sudo ifconfig lo0 alias 127.0.0.14 netmask 255.255.255.255
$ sudo ifconfig lo0 alias 127.0.0.15 netmask 255.255.255.255
$ sudo ifconfig lo0 alias 127.0.0.16 netmask 255.255.255.255
$ sudo ifconfig lo0 alias 127.0.0.17 netmask 255.255.255.255
$ sudo ifconfig lo0 alias 127.0.0.18 netmask 255.255.255.255
$ sudo ifconfig lo0 alias 127.0.0.19 netmask 255.255.255.255
$ sudo ifconfig lo0 alias 127.0.0.20 netmask 255.255.255.255

Enable IP forwarding & Masquerading

$ sudo sysctl -w net.inet.ip.forwarding=1
$ sudo sysctl -w net.inet6.ip6.forwarding=1
$ sudo sh -c "echo 'nat on {en0} from 10.45.0.0/16 to any -> {en0}' > /etc/pf.anchors/org.open5gs"
$ sudo sh -c "echo 'nat on {en0} from 2001:db8:cafe::1/48 to any -> {en0}' > /etc/pf.anchors/org.open5gs"
$ sudo pfctl -e -f /etc/pf.anchors/org.open5gs

Tip: The script provided in [$GIT_REPO/misc/netconf.sh](https://github.com/{{ site.github_username }}/open5gs/blob/main/misc/netconf.sh) makes it easy to configure the TUN device as follows: $ sudo ./misc/netconf.sh {: .notice--info}

Building Open5GS

Install the depedencies for building the source code.

$ brew install mongo-c-driver gnutls libgcrypt libidn libyaml libmicrohttpd nghttp2 pkg-config bison libusrsctp libtins talloc

Configure Homebrew PATH

$ export PATH="/opt/homebrew/opt/bison/bin:/opt/homebrew/bin:$PATH"
$ export LIBRARY_PATH=/opt/homebrew/lib
$ export C_INCLUDE_PATH=/opt/homebrew/include
$ export CPLUS_INCLUDE_PATH=/opt/homebrew/include

Install Meson using Homebrew.

$ brew install meson

Git clone.

$ git clone https://github.com/{{ site.github_username }}/open5gs

To compile with meson:

$ cd open5gs
$ meson build --prefix=`pwd`/install
$ ninja -C build

Check whether the compilation is correct.

Note: This should require sudo due to access /dev/tun0. {: .notice--danger}

$ sudo ./build/tests/attach/attach ## EPC Only
$ sudo ./build/tests/registration/registration ## 5G Core Only

Run all test programs as below.

Note: This should require sudo due to access /dev/tun0. {: .notice--danger}

$ cd build
$ sudo meson test -v

Tip: You can also check the result of ninja -C build test with a tool that captures packets. If you are running wireshark, select the loopback interface and set FILTER to s1ap || gtpv2 || pfcp || diameter || gtp || ngap || http2.data.data || http2.headers. You can see the virtually created packets. [testattach.pcapng]({{ site.url }}{{ site.baseurl }}/assets/pcapng/testattach.pcapng)/[testregistration.pcapng]({{ site.url }}{{ site.baseurl }}/assets/pcapng/testregistration.pcapng) {: .notice--info}

You need to perform the installation process.

$ cd build
$ ninja install
$ cd ../

Building WebUI of Open5GS

Node.js is required to build WebUI of Open5GS

$ brew install node

Install the dependencies to run WebUI

$ cd webui
$ npm ci --no-optional

The WebUI runs as an npm script.

$ npm run dev

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