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Ubuntu 18.04 LTS
================
This document describes installation from source. If you want to build a
``deb``, see :ref:`packaging-debian`.
Installing Dependencies
-----------------------
.. code-block:: console
sudo apt update
sudo apt-get install \
git autoconf automake libtool make gawk libreadline-dev texinfo \
pkg-config libpam0g-dev libjson-c-dev bison flex python-pytest \
libc-ares-dev python3-dev libsystemd-dev python-ipaddress python3-sphinx \
install-info build-essential libsystemd-dev libsnmp-dev perl
.. include:: building-libyang.rst
Protobuf
^^^^^^^^
.. code-block:: console
sudo apt-get install protobuf-c-compiler libprotobuf-c-dev
ZeroMQ
^^^^^^
.. code-block:: console
sudo apt-get install libzmq5 libzmq3-dev
Building & Installing FRR
-------------------------
Add FRR user and groups
^^^^^^^^^^^^^^^^^^^^^^^
.. code-block:: console
sudo groupadd -r -g 92 frr
sudo groupadd -r -g 85 frrvty
sudo adduser --system --ingroup frr --home /var/run/frr/ \
--gecos "FRR suite" --shell /sbin/nologin frr
sudo usermod -a -G frrvty frr
Compile
^^^^^^^
.. include:: include-compile.rst
Install FRR configuration files
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.. code-block:: console
sudo install -m 775 -o frr -g frr -d /var/log/frr
sudo install -m 775 -o frr -g frrvty -d /etc/frr
sudo install -m 640 -o frr -g frrvty tools/etc/frr/vtysh.conf /etc/frr/vtysh.conf
sudo install -m 640 -o frr -g frr tools/etc/frr/frr.conf /etc/frr/frr.conf
sudo install -m 640 -o frr -g frr tools/etc/frr/daemons.conf /etc/frr/daemons.conf
sudo install -m 640 -o frr -g frr tools/etc/frr/daemons /etc/frr/daemons
Tweak sysctls
^^^^^^^^^^^^^
Some sysctls need to be changed in order to enable IPv4/IPv6 forwarding and
MPLS (if supported by your platform). If your platform does not support MPLS,
skip the MPLS related configuration in this section.
Edit :file:`/etc/sysctl.conf` and uncomment the following values (ignore the
other settings):
::
# Uncomment the next line to enable packet forwarding for IPv4
net.ipv4.ip_forward=1
# Uncomment the next line to enable packet forwarding for IPv6
# Enabling this option disables Stateless Address Autoconfiguration
# based on Router Advertisements for this host
net.ipv6.conf.all.forwarding=1
Reboot or use ``sysctl -p`` to apply the same config to the running system.
Add MPLS kernel modules
"""""""""""""""""""""""
Ubuntu 18.04 ships with kernel 4.15. MPLS modules are present by default. To
enable, add the following lines to :file:`/etc/modules-load.d/modules.conf`:
::
# Load MPLS Kernel Modules
mpls_router
mpls_iptunnel
And load the kernel modules on the running system:
.. code-block:: console
sudo modprobe mpls-router mpls-iptunnel
Enable MPLS Forwarding
""""""""""""""""""""""
Edit :file:`/etc/sysctl.conf` and the following lines. Make sure to add a line
equal to :file:`net.mpls.conf.eth0.input` for each interface used with MPLS.
::
# Enable MPLS Label processing on all interfaces
net.mpls.conf.eth0.input=1
net.mpls.conf.eth1.input=1
net.mpls.conf.eth2.input=1
net.mpls.platform_labels=100000
Install service files
^^^^^^^^^^^^^^^^^^^^^
.. code-block:: console
sudo install -m 644 tools/frr.service /etc/systemd/system/frr.service
sudo systemctl enable frr
Enable daemons
^^^^^^^^^^^^^^
Open :file:`/etc/frr/daemons` with your text editor of choice. Look for the
section with ``watchfrr_enable=...`` and ``zebra=...`` etc. Enable the daemons
as required by changing the value to ``yes``.
Start FRR
^^^^^^^^^
.. code-block:: shell
systemctl start frr
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